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| n2206 ms pc b8-4814 no.a0252-1/43 any and all sanyo semiconductor products described or contained herein do not have specifications that can handle applications that requi re extremely high levels of reliab ility, such as life-support systems, aircraft?s control systems, or ot her applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo semiconductor representative nearest you before using any sanyo semiconductor products described or contained herein in such applications. sanyo semiconductor assumes no responsibility for equi pment failures that result from using products at values that exceed, even momentarily, rated va lues (such as maximum ratings, operating condition ranges, or other parameters) listed in products sp ecifications of any and all sanyo semiconductor products described or contained herein. la76810A overview la76810A is a vif/sif/y/deflection 1chip ic for pal/ntsc color television sets. functions ? vif/sif/y/deflection implemented in a 1chip. ? i 2 c bus control specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit v 8 max 7.0 v v 31 max 7.0 v maximum supply voltage v 43 max 7.0 v i 18 max 25 ma maximum supply current i 25 max 35 ma allowable power dissipation pd max ta 65 c * 1.6 w operating temperature topg -10 to +65 c storage temperature tstg -55 to +150 c * provided with a glass epoxy board (114.3 76.1 1.6 mm 3 ) operating conditions at ta = 25 c parameter symbol conditions ratings unit v 8 5.0 v v 31 5.0 v recommended supply voltage v 43 5.0 v i 18 19 ma recommended supply current i 25 27 ma v 8 op 4.7 to 5.3 v v 31 op 4.7 to 5.3 v operating supply voltage range v 43 op 4.7 to 5.3 v i 25 op 24 to 30 ma operating supply current range i 18 op 17 to 21 ma monolithic linear ic for pal/ntsc color television sets vif/sif/y/deflection 1chip ic ordering number : ena0252
la76810A no.a0252-2/43 electrical characteristics ta = 25 c, v cc l = v 8 = v 31 = v 43 = 5.0v, i cc = i 18 = 19ma, i cc = i 25 = 27ma ratings parameter symbol conditions min typ max unit [circuit voltage, current] if supply current i 8 v 8 = 5v, v 3 = 2.5v 65.0 ma rgb supply voltage v 18 i 18 = 19ma 8.0 v horizontal supply voltage v 25 i 25 = 27ma 5.0 v ccd supply current i 31 i 31 = 5v 5.6 ma video supply current i 43 i 43 = 5v 124.0 ma [ccd block] voltage gain r gv_r -2 0 2 db voltage gain b gv_b -2 0 2 db difference of voltage gain dgv 0 0.1 0.3 db delay time td 63.8 s [osd block] osd fast sw threshol d fsth 1.7 1.9 2.2 v red rgb output level rosdh 120 165 200 ire green rgb output level gosdh 70 120 140 ire blue rgb output level bosdh 85 120 155 ire analog osd r output level gain match rrgb 1.12 1.4 1.68 ratio linearity lrrgb 45 50 60 % analog osd g output level gain match grgb 0.8 1 1.2 ratio linearity lgrgb 45 50 60 % analog osd b output level gain match brgb 0.8 1.0 1.2 ratio linearity lbrgb 45 50 60 % [rgb output (cutoff drive) block] brightness control (normal) brt64 1.7 2 2.4 v hi brightness (max) brt127 15 20 25 ire low brightness (min) brt0 -25 -20 -15 ire cutoff control (min) vbias0 1.6 2 2.4 v (bias control) (max) vbias255 2.6 3 3.4 v resolution vbiassns 4 mv/bit sub-bias control resolution vsbiassns 7 mv/bit drive adjustment maximum output output rbout63 2.5 vp-p output attenuation rbout0 7 9 11 db [vif block] maximum rfagc voltage vrfh cw = 80db , dac = 0 8.5 9 vdc minimum rfagc voltage vrfl cw = 80db , dac = 63 0 0.3 0.7 vdc rf agc delay pt (@dac = 0) rfagc0 dac = 0 85 db rf agc delay pt (@dac = 63) rfagc63 dac = 63 75 db input sensitivity vi output-3db 46 db no-signal video output voltage vo n no signal 3.1 3.5 3.9 vdc sync signal tip level votip cw = 80db 0.9 1.2 1.5 vdc video output amplitude vo 80db , am = 78%, fm = 15khz 1.9 2.0 2.1 vp-p video s/n s/n cw = 80db 45 db c-s beat level ic-s v4. 43mhz/v1.07mhz 30 db differential gain dg 80db , 87.5% video mod 5.0 10.0 % differential phase dp 80db , 87.5% video mod 2.0 10.0 deg maximum aft output voltage vafth cw = 80db , frequency variations 4.3 4.7 5 vdc continued on next page. la76810A no.a0252-3/43 continued from preceding page. ratings parameter symbol conditions min typ max unit minimum aft output voltage vaftl cw = 80db , frequency variations 0.0 0.2 0.7 vdc aft detection sensitiv ity vafts cw = 80db , frequency variations 12.0 20.0 28.0 mv/khz apc pull-in range (u) fpu 1.0 mhz apc pull-in range (l) fpl 1.0 mhz nt trap1 (4.5mhz) ntr1 for 1mhz -35 db nt trap2 (4.8mhz) ntr2 for 1mhz -20 db bg trap1 (5.5mhz) btr1 for 1mhz -35 db bg trap2 (5.85mhz) btr2 for 1mhz -20 db i trap1 (6.0mhz) itr1 for 1mhz -35 db i trap2 (6.55mhz) itr2 for 1mhz -20 db dk trap1 (6.5mhz) dtr1 for 1mhz -35 db nt group delay1 (3.5mhz) ngd1 for 1mhz 200 ns nt group delay2 (4.0mhz) ngd2 for 1mhz 700 ns bg group delay1 (4.0mhz) bgd1 for 1mhz 100 ns bg group delay2 (4.4mhz) bgd2 for 1mhz 200 ns i group delay1 (4.0mhz) igd1 for 1mhz 50 ns i group delay2 (4.4mhz) igd2 for 1mhz 90 ns dk group delay1 (4.0mhz) dgd1 for 1mhz 30 ns dk group delay2 (4.4mhz) dgd2 for 1mhz 40 ns [sif block] fm detection output voltage soadj 580 600 620 mvrms fm limiting sensitivity sls output -3db 61 db fm detection output f characteristics sf fm = 100khz -0.5 6.0 9.0 db fm detection output distortion sthd fm = 30khz 1.0 % am rejection ratio samr am = 30% 40 db sif s/n ssn din.andio 50 db pal de-emph time constant sptc 3.0 db pal/nt difference of voltage gain sgd 0.0 db tn de-emph time constant sntc 3.0 db bpf 3db band width sbw 3.0 db [audio block] maximum gain agmax 1khz -2.5 0.0 2.5 db variable range arange 60 65 db frequency characteristics af 20khz -3.0 3.0 db mute amute 20khz 70 - db distortion athd 1khz, 500mvrms, vol: max 0.5 % s/n asn din.audio 65 70 db crosstalk act 20khz 70 db [video sw block] video signal input 1dc voltage v in 1dc 2.2 2.5 2.8 v video signal input 1ac voltage v in 1ac 1 vp-p video signal input 2dc voltage v in 2dc 2.2 2.5 2.8 v video signal input 2ac voltage v in 2ac 1 vp-p svo terminal dc voltage svodc 1.7 2 2.3 v svo terminal ac voltage svoac 1.7 2 2.3 vp-p [filter block] ctrapn -36.0 -26.0 -22.0 db chroma trap amount ntsc chroma trap amount pal ctrapp -36.0 -26.0 -22.0 db c-bpf1a (3.93mhz) cbpf1a reference: 4.43mhz filter sys = 0010 -6.0 -3.0 0.0 db continued on next page. la76810A no.a0252-4/43 continued from preceding page. ratings parameter symbol conditions min typ max unit c-bpf1b (4.73/4.13mhz) cbpf 1b reference: 4.13mhz filter sys = 0010 -0.5 1.5 3.5 db c-bpf1c (4.93/3.93mhz) cbpf 1c reference: 3.93mhz filter sys = 0010 6.0 4.0 1 db c-bpf2a (3.93mhz) cbpf2a reference: 4.43mhz filter sys = 0011 -4.0 -1.0 0.0 db c-bpf2b (4.73/4.13mhz) cbpf 2b reference: 4.13mhz filter sys = 0011 -2.0 0.0 2.0 db c-bpf2c (4.93/3.93mhz) cbpf 2c reference: 3.93mhz filter sys = 0011 -2.5 0.0 2.5 db y-dl time1 s-vhs tdy1 filt er sys = 0100 300.0 350.0 400.0 ns y-dl time2 pal tdy2 filt er sys = 0010 490.0 540.0 590.0 ns y-dl time3 ntsc tdy3 filt er sys = 0001 530.0 580.0 630.0 ns y-dl time4 secam tdy4 filt er sys = 1000 630.0 680.0 730.0 ns [video block] video overall gain (contrast max) cont127 9.0 11.0 13.0 db contrast adjustment characteristics (normal/max) cont63 -7.5 -6.0 -4.5 db contrast adjustment characteristics (min/max) cont0 -15.0 -12.0 -9.0 db sharp31 filter sys = 0000 6.0 9.0 12.0 db sharp63 filter sys = 0000 9.0 12.0 15.0 db sharpness (normal) variability (max) range (min) sharp0 filter sys = 0000 -4.0 -1.0 2.0 db maximum black stretch gain bkstmax 20.0 25.0 30.0 ire black stretch threshold (60ire ? black) bkstth -5.0 0.0 5.0 ire dc transmission amount cl ampg 95.0 100.0 105.0 % horizontal/vertical blanking output level rgbblk 0.1 0.4 0.7 v video frequency characteristics 1 s-vhs bw1 6.0mhz/ 100khz -6.0 -3.0 0.0 db video frequency characteristics 2 pal bw2 3.2mhz/ 100khz -6.0 -3.0 0.0 db video frequency characteristics 3 ntsc bw3 2.6mhz/ 100khz -6.0 -3.0 0.0 db video frequency characteristics 4 secam bw4 3.1mhz/ 100khz -6.0 -3.0 0.0 db [chroma block]: pal/ntsc common b-y/y amplitude ratio clrby 75 100 150 % color control characteristics 1 cl rmn color max/cen 1.6 2.0 2.4 deg color control characteristics 2 clrmm color max/min 33 40 50 db color control sensitivit y clrse 1 2 4 %/bit fsc output label fsc37 200 mvp-p residual higher harmonic level b e_car_b 300 mvp-p residual higher harmonic level r e_car_r 300 mvp-p residual higher harmonic level g e_car_g 300 mvp-p continued on next page. la76810A no.a0252-5/43 continued from preceding page. ratings parameter symbol conditions min typ max unit [chroma block]: pal acc amplitude characteristics 1 accm1_p i nput: +6db/0db 0db = 40ire 0.8 1.0 1.2 deg acc amplitude characteristics 2 accm2_p input: -20db/0db 0.7 1.0 1.1 deg demodulation output ratio r-y/b-y: pal rb_p r-y/b-y_gainbalance_dac, r-y/b-y_angle_dac = center 0.50 0.56 0.67 deg demodulation output ratio g-y/b-y: pal gb_p r-y/b-y_gainbalance_dac, r-y/b-y_angle_dac = center, r-y= no-signal -0.21 -0.19 -0.17 deg demodulation output ratio g-y/r-y: pal gr_p r-y/b-y_gainbalance_dac, r-y/b-y_angle_dac = center, b-y = no-signal -0.56 -0.51 -0.46 deg demodulation angle r-y/b-y: pal angbr_p r-y/b-y_gainbalance_dac, r-y/b-y_angle_dac = center 85 90 95 deg killer operating point kill_p 0db = 40ire -36 -30 -23 db apc pull-in range (+) pulin+_p 350 hz apc pull-in range (-) pulin-_p -350 hz [chroma block]: ntsc acc amplitude characteristics 1 accm1_n i nput:+6db/0db 0db = 40ire 0.8 1.0 1.2 deg acc amplitude characteristics 2 accm 2_n input:-20db/0db 0.7 1.0 1.1 deg demodulation output ratio r-y/b-y: ntsc rb_n r-y/b-y_gainbalance_dac, r-y/b-y_angle_dac = center 0.80 0.90 1.00 deg demodulation output ratio g-y/b-y: ntsc gb_n r-y/b-y_gainbalance_dac, r-y/b-y_angle_dac = center 0.24 0.30 0.38 deg demodulation angle b-y/r-y: ntsc angbr_n r-y/b-y_gainbalance_dac, r-y/b-y_angle_dac = center 99 104 109 deg demodulation angle g-y/b-y: ntsc anggb_n r-y/b-y_gainbalance_dac, r-y/b-y_angle_dac = center 227 240 250 deg killer operating point kill_n 0db = 40ire -39 -32 -25 db apc pull-in range (+) pulin+_n 350 hz apc pull-in range (-) pulin-_n -350 hz tint center ti ncen -10 0 10 deg tint variable range (+) tint+ 35 deg tint variable range (-) tint- -35 deg [deflection block] horizontal free-running frequency fh 15500 15625 15750 hz horizontal pull-in range fh pull 400 hz horizontal output pulse wi dth hduty 36.1 37.6 39.1 s horizontal output pulse saturation voltage v hsat 0 0.2 0.4 v vertical free-running cycle 50 vfr50 312.0 312.5 313.0 h vertical free-running cycle 60 vfr60 262.0 262.5 263.0 h horizontal output pulse phas e hphcenpal 9.5 10.5 11.5 s horizontal output pulse phas e hphcennt 9.5 10.5 11.5 s horizontal posit ion adjustment range hphrange 5bit 2.2 s horizontal posit ion adjustment maximum variability width hphstep 200.0 ns por circuit operating volt age vpor 3.70 4.00 4.30 v horizontal blanking left @0 blkl0 blkl: 000 7500 8300 9100 ns horizontal blanking left @7 blkl7 blkl: 111 10800 11600 12400 ns horizontal blanking right @0 blkr0 blkr: 000 1800 2600 3400 ns horizontal blanking right @7 blkr7 blkr: 111 -1100 -300 500 ns sand castle pulse crest value h sandh 5.3 5.6 5.9 v sand castle pulse crest value m1 sandm1 3.7 4.0 4.3 v sand castle pulse crest value l sandl 0.1 0.4 0.7 v continued on next page. la76810A no.a0252-6/43 continued from preceding page. ratings parameter symbol conditions min typ max unit sand castle pulse crest value m2 sandm2 1.7 2.0 2.3 v burst gate pulse width bgpwd 3.5 4.0 4.5 s burst gate pulse phase bgpph 4.9 5.4 5.9 s secam v pulse width secamv 11.0 11.5 12.0 h la76810A no.a0252-7/43 block diagram and test circuit la76810A noa0252-8/40 test conditions ta = 25 c, v cc = v 8 = v 31 = v 43 = 5.0v, l 18 = 19ma, i cc = l 25 = 27ma parameter symbol test point input signal test method bus conditions [circuit voltage, current] horizontal supply voltage (pin 25) v 25 no signal apply a current of 27ma to pin 25 and measure the voltage at pin 25. initial rgb supply voltage (pin 18) v 18 no signal apply a current of 19ma to pin 18 and measure the voltage at pin 18. initial if supply current (pin 8) i 8 (cddi cc ) no signal apply a voltage of 5.0v to pin 8 and measure the incoming dc current (ma). (if agc 2.5v applied) initial ccd supply current (pin 31) i 31 (ccdi cc ) no signal apply a voltage of 5.0v to pin 31 and measure the incoming dc current (ma). initial video/vertical supply current (pin 43) i 43 (defi cc ) no signal apply a voltage of 5.0v to pin 43 and measure the incoming dc current (ma). initial vif block input signals and test conditions 1. input signals must all be input to the pif in (pin 6) in the test circuit. 2. all input signal voltage values are the levels at the vif in (pin 6) in the test circuit. 3. signal contents and signal levels input signal waveform conditions sg1 cw 38.9mhz sg2 cw 34.47mhz sg3 cw 33.4mhz sg4 cw frequency variable sg5 38.9mhz 87.5% video mod. 10-stairstep wave (subcarrier: 4.43mhz) sg6 38.9mhz fm = 15khz, am = 78% 4. before measurement, adjust the dac as follows. parameter test point i nput signal adjustment video level dac sg6, 80db set the output level at pin 46 as close to 2.0vp-p as possible. 25 18 8 43 31 46 la76810A noa0252-9/40 vif block test conditions input signal symbol test point i nput signal test method bus conditions [vif block] maximum rf agc voltage vrfh sg1 80db measure the dc voltage at pin 4. rf.agc = "000000" minimum rf agc voltage vrfl sg1 80db measure the dc voltage at pin 4. rf.agc = "111111" rf agc delay pt (@dac = 0) rfagc0 sg1 obtain the input level at which the dc voltage at pin 4 becomes 4.5v. rf.agc = "000000" rf agc delay pt (@dac = 63) rfagc63 sg1 obtain the input level at which the dc voltage at pin 4 becomes 4.5v. rf.agc = "111111" input sensitivity vi sg6 using an oscilloscope, obser ve the level at pin 46 and obtain the input level at which the waveform's p-p value becomes 1.4vp-p. no-signal video output voltage von no signal set if agc = ?1? and measure the dc voltage at pin 46. sync signal tip level votip sg1 80db measure the dc volt age at pin 46. video output amplitude vo sg6 80db using an oscilloscope, obser ve the level at pin 46 and measure the waveform?s p-p value. video s/n s/n sg1 80db measure the noise voltage (vsn) at pin 46 with an rms voltmeter through a 10khz to 5.0mhz band-pass filter and calcul ate 20 log (1.43/vsn). c-s beat level ic-s sg1 sg2 sg3 input a 80db sg1 signal and measure the dc voltage (v3) at pin 3. mix sg1 = 74db , sg2 = 64 db , and sg3 = 64 db to enter the mixture in the vif in. apply v3 to pin 3 from an external dc power supply. using a spectrum analyzer, measure the difference between pin 46?s 4.43mhz component and 1.07mhz component. differential gain dg sg5 80db using a vector scope, m easure the level at pin 46. differential phase dp sg5 80db using a vector scope, m easure the level at pin 46. maximum aft output voltage vafth sg4 80db set and input the sg4 frequency to 37.9mhz to be input. measure the dc voltage at pin 10 at that moment. minimum aft output voltage vaftl sg4 80db z set and input the sg4 frequency to 39.9mhz to be input. measure the dc voltage at pin 10 at that moment. aft detection sensitivity vafts sg4 80db z adjust the sg4 frequency and measure frequency deviation ? f when the dc voltage at pin 10 changes from 1.5v to 3.5v. vafts = 2000/ ? f [mv/khz] apc pull-in range (u), (l) fpu, fpl sg4 80db connect an oscilloscope to pin 46 and adjust the sg4 frequency to a frequency higher than 38.9mhz to bring the pll into unlocked mode. (a beat signal appears.) lower the sg4 frequency and measure t he frequency at which the pll locks again. in the same manner, adjust the sg4 frequency to a lower frequency to bring the pll into unlocked mode. higher the sg4 frequency and measure t he frequency at which the pll locks again. 4 4 4 4 46 46 46 46 46 46 46 10 46 46 10 10 la76810A noa0252-10/40 sif block (fm block) input signals and test conditions unless otherwise specified, the following conditi ons apply when each measurement is made. 1. bus control condition: if.agc.sw = "1", sif.sys = "01", deem-tc = "0", fm.gain = "0" 2. sw:if1 = "on" 3. input signals are input to pin 54 and the carrier frequency is 5.5mhz. input signal symbol test point i nput signal test method bus conditions fm detection output voltage soadj 2 90db , fm = 400hz, fm = 30khz adjust the dac (fm.level ) such that the 400hz component of the fm detec tion output at pin 2 become as close to 600mvrms as possible and measure (sv1:mvrms) the output at that moment. fm limiting sensitivity sls 2 fm = 400hz, fm = 30khz measure the input level (db ) at which the 400hz component of the fm detec tion output at pin 2 becomes -3db relative to sv1. fm level = adjustment value fm detection output f characteristics (fm = 100khz) sf 2 90db , fm = 100khz fm = 30khz set sw: if1 = "off". measure (sv2: mvrms) the fm detection output of pin 2. calculate as follows: sf = 20*log (sv1/sv2) [db] fm level = adjustment value fm detection output distortion sthd 2 90db , fm = 400hz, fm = 30khz measure the distortion factor of the 400hz component of the fm detec tion output at pin 2. fm level = adjustment value am rejection ratio samr 2 90db , fm = 400hz, am = 30% measure the 1khz com ponent (sv3: mvrms) of the fm detection out put at pin 2. assign the measured value to sv3 and calculate as follows: samr = 20*log (sv1/sv3) [db] fm level = adjustment value sif.s/n ssn 2 90db , cw measure the noise level (din audio, sv4: mvrms) at pin 2. calculate as follows: ssn=20*log(sv1/sv4) [db] fm level = adjustment value pal de-emph time constant sptc 2 90db , fm = 3.18khz fm = 30khz measure the 3.18khz co mponent (sv5: mvrms) of the fm detection output at pin 2 and calculate as follows: sntc = 20*log (sv1/sv5) [db] fm level = adjustment value pal/nt difference of voltage gain sgd 2 fo = 4.5mhz 90db , fm = 400hz fm = 15khz measure the 400hz component (sv6: mvrms) of the fm detection output at pin 2 and calculate as follows: sntc = 20*log (sv1/sv6) [db] fm level = adjustment value sif.sys = "00" deem-tc = "1" fm.gain = "1" nt de-emph time constant sntc 2 fo = 4.5mhz 90db , fm = 2.12khz fm = 15khz measure the 2.12khz co mponent (sv7: mvrms) of the fm detection output at pin 2 and calculate as follows: sntc = 20*log (sv6/sv7) [db] fm level = adjustment value sif.sys = "00" deem-tc = "1" fm.gain = "1" bpf 3db band width sbw 2 90db , cw set sw: if1 = "off". pin9 = 5v measure the 458khz component (sv8: mvrms) at pin 2. set the input frequency to 5.565mhz to the input frequency and measure the 393khz component (sv9: mvrms) at pin 2 to calculate as follows: sbw = 20*log (sv8/sv9) [db] fm level= adjustment value la76810A noa0252-11/40 audio block input signals and test conditions unless otherwise specified, the following conditi ons apply when each measurement is made. 1. bus control condition: audio.mute = "0", audio.sw = "1", vol.fil = "0", sif.sys = "01", if.agc.sw = "1" 2. input 5.5mhz, 90db and cw at pin 54. 3. enter an input signal from pin 51. input signal symbol test point i nput signal test method bus conditions maximum gain agmax 1khz, cw 500mvrms measure the 1khz component (v1: mvrms) at the pin 1 and calculate as follows: agmax = 20*log (v1/500) [db] volume = "1111111" variable range arange 1khz, cw 500mvrms measure the 1khz component (v2: mvrms) at the pin 1 and calculate as follows: arange = 20*log (v1/v2) [db] volume = "0000000" frequency characteristics af 20khz, cw 500mvrms measure the 20khz com ponent (v3: mvrms) at the pin 1 and calculate as follows: af = 20*log (v3/v1) [db] volume = "1111111" mute amute 20khz, cw 500mvrms measure the 20khz com ponent (v4: mvrms) at the pin 1 and calculate as follows: amute = 20*log (v3/v4) [db] volume = "1111111" audio.mute = ?1? distortion athd 1khz, cw 500mvrms measure the distortion of the 1khz component at the pin 1. volume = "1111111" s/n asn no signal measure the noise level (din audio, v5: mvrms) at the pin 1 and calculate as follows: asn = 20*log (v1/v5) [db] volume = "1111111" crosstalk act 20khz, cw 500mvrms measure the 20khz component (v6: mvrms) at the pin 1 and calculate as follows: act = 20*log (v3/v6) [db] volume = "1111111" audio.sw = "0" 1 1 1 1 1 1 1 la76810A noa0252-12/40 video block input signals and test conditions c in input* chroma burst signal: 40 ire y in input signal 1001re: 714mv bus control bit conditions: initial test state 0ire signal (l-0): ntsc standard sync signal xire signal (l-x) cw signal (l-cw) black stretch 0ire signal (l-bk) r/g/b in input signal rgb input signal 1 (0-1) rgb input signal 2 (0-2) pedestal level h sync 4.7 s (h/v sync:40ire: 286mv) xire (x = 0 to 100) 0ire 20ire cw signal 50ire 50 s 100ire 5 s (point a) to each 20 s 1.0vdc 0.0vdc la76810A noa0252-13/40 video block test conditions input signal symbol test point input signal test method bus bit/input signal video overall gain (contrast max) cont127 l-50 measure the out put signal?s 50ire amplitude (cnthb vp-p) and calculate cont127 = 20log (cnthb/0.357). contrast: 1111111 contrast adjustment characteristics (normal/max) cont63 l-50 measure the out put signal?s 50ire amplitude (cntcb vp-p) and calculate cont63 = 20log (cntcb/0.357). contrast: 0111111 contrast adjustment characteristics (min/max) cont0 l-50 measure the out put signal?s 50ire amplitude (cntlb vp-p) and calculate cont0 = 20log (cntlb/0.357). contrast: 0000000 video frequency characteristics 1 (svhs) bw1 l-cw with the input signal?s continuous wave = 100khz, measur e the output signal?s continuous wave amp litude (peakdc vp-p). with the input signal?s continuous wave = 6mhz, measur e the output signal?s continuous wave amplitude (cw7 vp-p). calculate bw1 = 20log (cw6/peakdc). filter sys: 0100 sharpness: 000000 video frequency characteristics 2 (pal) bw2 l-cw with the i nput signal?s continuous wave = 3.2mhz, measur e the output signal?s continuous wave amplitude (cw3.2 vp-p). calculate bw2 = 20log (cw3.2/peakdc). filter sys: 0010 sharpness: 000000 video frequency characteristics 3 (ntsc) bw3 l-cw with the input signal?s continuous wave = 2.6mhz, measur e the output signal?s continuous wave amplitude (cw2.6 vp-p). calculate bw3 = 20log (cw2.6/peakdc). filter sys: 0000 sharpness: 000000 video frequency characteristics 4 (secam) bw4 l-cw with the i nput signal?s continuous wave = 3.1mhz, measur e the output signal?s continuous wave amplitude (cw3.1 vp-p). calculate bw4 = 20log (cw3.1/peakdc). filter sys: 1000 sharpness: 000000 with the input signal?s continuous wave = 4.43mhz, measur e the output signal?s continuous wave amplitude (f0p vp-p). filter sys: 010 sharpness: 000000 chroma trap amount pal ctrapp l-cw calculate ctrap = 20log (f0p/peakdc). with the input signal?s continuous wave = 3.58mhz, measur e the output signal?s continuous wave amplitude (f0n vp-p). filter sys: 000 sharpness: 000000 chroma trap amount ntsc ctrapn l-cw calculate ctran = 20log (f0n/peakdc). l-0 measure the output signal?s 0ire dc level (brtpl v). brightness: 0000000 contrast: 1111111 dc transmission amount clampg1 l-100 measure the output signal?s 0ire dc level (drvph v) and 100ire amplitude (drvh vp-p) and calculate clampg = 100 (1+(drvph - brtpl)/drvh). brightness: 0000000 contrast: 1111111 y-dl time1(svhs) tdy1 l-50 obtain the time difference (the delay time) from when the rise of the input signal's 50ire amplitude to the output si gnal's 50ire amplitude. filter sys:0100 y-dl time2(pal) tdy2 l-50 obtain the time difference (the delay time) from when the rise of the input signal's 50ire amplitude to the output si gnal's 50ire amplitude. filter sys:0010 y-dl time3(ntsc) tdy3 l-50 obtain the time difference (the delay time) from when the rise of the input signal's 50ire amplitude to the output si gnal's 50ire amplitude. filter sys:0000 y-dl time4(secam) tdy4 l-50 obtain the time difference (the delay time) from when the rise of the input signal's 50ire amplitude to the output si gnal's 50ire amplitude. filter sys:1000 continued on next page. 21 21 21 21 21 21 21 21 21 21 21 21 21 21 la76810A noa0252-14/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal measure the 0ire dc leve l (bkst1 v) at point a of the output signal in t he black stretch defeat (black stretch off) mode. measure the 0ire dc leve l (bkst2 v) at point a of the output signal in the black stretch on mode. blk str def: 0 maximum black stretch gain bkstmax l-bk calculate bkstmax=2 50 (bkst1-bkst2) /cnthb. measure the 60ire dc le vel (bkst3 v) of the output signal in the bla ck stretch defeat on mode. blk str def: 0 measure the 60ire dc le vel (bkst4 v) of the output signal in the bla ck stretch defeat (black stretch off) mode. black stretch threshold ? black (60ire ? black) bkstth ? l-60 calculate bkstth ? = 50 (bkst4-bkst3)/cnthb. sharpness variability characteristics with the input signal?s continuous wave = 2.2mhz, measur e the output signal?s continuous wave amplitude (f00s31 vp-p). filter sys:0000 sharpness: 100000 (normal) sharp31 l-cw calculate sharp31 = 20log (f00s31/peakdc). with the input signal?s continuous wave = 2.2mhz, measur e the output signal?s continuous wave amplitude (f00s63 vp-p). filter sys:0000 sharpness: 111111 (max) sharp63 l-cw calculate sharp63=20log (f00s63/peakdc). with the input signal?s continuous wave=2.2mhz, measure the output signal?s continuous wave amplitude (f00s0 vp-p). filter sys:0000 sharpness: 000000 (min) sharp0 l-cw calculate sharp0 = 20log (f00s0/peakdc). horizontal/vertical blanking output level rgbblk l-100 measure the dc leve l (rgbblk v) for the output signal?s blanking period. [osd block] bus control bit conditions: contrast = 63, brightness = 63 input signal symbol test point input signal test method bus bit/input signal osd fast sw threshold fsth l-0 o-2 apply voltage to pin 17 and measure the voltage at pin 17 at the point where the output signal switches to the osd signal. pin 16a: o-2 applied l-50 measure the output signal?s 50ire amplitude (cntcr vp-p). l-0 o-2 measure the osd output amplitude (osdhr vp-p). pin 17: 3.5v pin 14a: o-2 applied red rgb output level rosdc calculate rosdc = 50 (rosdc /cntcr) l-50 measure the output signal?s 50ire amplitude (cntcg vp-p). l-0 o-2 measure the osd output amplitude (osdhg vp-p). pin 17: 3.5v pin 15a: o-2 applied green rgb output level gosdc calculate gosdc = 50 (gosdc/cntcg) continued on next page. 21 21 21 21 21 19 20 la76810A noa0252-15/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal l-50 measure the output si gnal?s 50ire amplitude (cntcb vp-p). l-0 o-2 measure the osd output amplitude (osdhb vp-p). pin 17: 3.5v pin 16a: o-2 applied blue rgb output level bosdc calculate bosdc = 50 (osdhb/cntcb) analog osd r output level l-0 o-1 measure the amplitudes at point a (0.35v portion of the input signal 0-1) and point b (0.7v portion of the input signal 0-1) of the output signal. assign the measured values to rgblr vp-p and rgbhr vp-p, respectively. pin 17 : 3.5v pin 14a : o-1 applied gain match rrgb calculate rrgb = rgblr/cntcr. linearity lrrgb calculate lrrgb = 100 (rgblr/rgbhr). analog osd g output level l-0 o-1 measure the amplitudes at point a (0.35v portion of the input signal 0-1) and point b (0.7v portion of the input signal 0-1) of the output signal. assign the measured values to rgblg vp-p and rgbhg vp-p, respectively. pin 17: 3.5v pin 15a: o-1 applied gain match grgb calculate grgb = rgblg/cntcg. linearity lgrgb calculate lgrgb = 100 (rgblg/rgbhg). analog osd b output level l-0 o-1 measure the amplitudes at point a (0.35v portion of the input signal 0-1) and point b (0.7v portion of the input signal 0-1) of the output signal. assign the measured values to rgblb vp-p and rgbhb vp-p, respectively. pin 17: 3.5v pin 16a: o-1 applied gain match brgb calculate brgb = rgblb/cntcb. linearity lbrgb calculate lbrgb = 100 (rgblb/rgbhb). . [rgb output block] (cutoff, drive block) bus control bit conditions: contrast=127 input signal symbol test point input signal test method bus bit/input signal measure the 0ire dc leve ls of the respective output signals of r output (19), g output (20), and b output (21). assign the measured values to brtpcr, brtpcg, and brtpcb v, respectively. brightness: 01111111 brightness control (normal) brt63 l-0 calculate brt63 = (brtpcr+brtpcg+ brtpcb)/3. measure the 0ire dc level of the output signal of b output (21) and assign the measured value to brtphb. brightness: 1111111 (max) brt127 calculate brt127 = 50 (brtphb-brtpcb)/ cnthb. measure the 0ire dc level of the output signal of b output (21) and assign the measured value to brtplb. brightness: 0000000 (min) brt0 calculate brt0 = 50 (brtplb-brtpcb)/ cnthb. continued on next page. 20 19 21 21 20 19 21 21 la76810A noa0252-16/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal bias (cutoff) control (min) vbias0 l-50 measure the 0ire dc levels (vbias0* v) of the respective output signal s of r output (19), g output (20), and b output (21). *: r, g, and b sub-brightness: 0000000 (max) vbias255 measure the 0ire dc levels (vbias255* v) of the respective output signal s of r output (19), g output (20), and b output (21). *: r, g, and b sub-brightness: 1111111 red/green/blue bias: 11111111 measure the 0ire dc leve ls (bas80* v) of the respective output signal s of r output (19), g output (20), and b output (21). *: r, g, and b red/green/blue bias:01010000 measure the 0ire dc leve ls (bas48* v) of the respective output signal s of r output (19), g output (20), and b output (21). red/green/blue bias: 00110000 bias (cutoff) control resolution vbiassns calculate vbiassns* = (bas80*-bas48*)/32 measure the 0ire dc leve ls (sbtpm* v) of the respective output signal s of r output (19), g output (20), and b output (21). sub-brightness: 0101010 contrast: 0111111 sub-bias control resolution vsbiassns l-50 calculate vsbiassns* = (brtpc*-sbtpm*) drive adjustment maximum output rbout127 gout15 l-100 measure the 100i re amplitudes (drvh* vp-p) of the respective output signals of r output (19) and b output (21). *: r and b measure the 100ire am plitude of the output signal of g output (20) and assign the measured value to drvh* vp-p. *: g brightness: 0000000 output attenuation rbout0 measure the 100ire amplit udes (drvl* vp-p) of the respective output si gnals of r output (19), g output (20), and b output (21). *: r and b measure the 100ire am plitude of the output signal of g output (20) and assign the measured value to drvl* vp-p. *: g brightness: 0000000 red/blue drive: 0000000 gout0 rbout0* = 20log ( drvh*/drvl*) gout0* = 20log ( drvh*/drvl*) measure the 100ire amplit ude of the respective output signals of r output (28), g output (29), and b output (30) with gamma def being on and off. assign the measured values to *a, *b and vp-p, respectively. * : r, g, b contrast: 0111111 brightness: 01111111 gamma def: off,on b gamma sel: 11,00 gamma correction r g b l-100 * = 100*(*a/*b) 20 19 21 20 19 21 20 19 21 la76810A noa0252-17/40 [video sw block] bus control bit conditions: contrast = 63, brightness = 63 input signal symbol test point input signal test method bus bit/input signal video signal input 1dc voltage vin1dc l-100 input signals to pin 42 and measure the voltage of the pedestal. video sw: 1 video signal input 2dc voltage vin2dc l-100 input signals to pin 44 and measure the voltage of the pedestal. video sw: 0 svo terminal dc voltage svodc l-100 input signals to pin 42 and measure the voltage of the pedestal at pin 40. video sw: 1 svo terminal ac voltage svoac l-100 input signals to pin 42 and measure the voltage of the pedestal at pin 40. vide0 sw: 1 chroma block input signals and test conditions unless otherwise specified, the following conditi ons apply when each measurement is made. 1. vif, sif blocks: no signal 2. deflection block: horizontal/vertical composite sync signa ls are input and the deflection block must be locked into the sync signals (refer to the deflection bl ock input signals and the test conditions). 3. bus control conditions: set the following conditions unless otherwise specified. y input is 42 pin (ext-v in), c input is 44 pin (s-c in) (video sw=1, c.ext=1) other dac except the above-mentioned conditions is all initial conditions. 4. y input condition: no signa l unless otherwise specified. (sync is necessary to obtain synchronization). 5. how to calculate the demodulation ratio and angle: b-y axis angle = tan-1(b(0)/b(270))+270 r-y axis angle = tan-1(r(180)/r( 90))+90 g-y axis angle = tan-1(g(270)/g(180))+180 b-y axis amplitude vb = sqrt(b(0)*b(0)+b(270)*b(270)) r-y axis amplitude vr = sqrt(r(180)*r(180)+r(90)*r(90)) g-y axis amplitude vg = sqrt(g(180)*g(180)+g(270)*g(270)) 90 180 270 0 ?? b(0) r(90) g(270) r(180) g(180) b(270) r-y axis b-y axis g-y axis 42 44 40 40 la76810A noa0252-18/40 6. chroma input signal: as for the pal signal, the burst swings such as 130 and 225 every one hour. chroma describes the phase caused when the burst occurs at 135 ?? . as for the ntsc signal, the burst occurs constantly at 180 . the figures below are based on the phase of ntsc. when a pa l signal is generated, adjust the phase and then enter signals. the item common to both pal and ntsc is the pal signal. for those other than this, the measurement must be performed for each individual signals. the condition of fsc: set the following conditions unless otherwise specified. pal = 4.433619mhz ntsc = 3.579545mhz c-1 x ire signal (l-x) c-2 c-3 c-4 c-5 burst 0 90 180 270 fsc 40ire burst fsc 346 40ire 62.5ire burst fsc cw (note: fscn*fh when the frequency is specified. n should be a natural number and th e nearest value should be used.) burst b-y only burst r-y only 40ire la76810A noa0252-19/40 [chroma block]: pal/ntsc common input signal symbol test point input signal test method bus bit/input signal yin:l77 no signal measure the y system ?s output level. v1 b-y/y amplitude ratio clrby bout 21 c-2 input a signal to the cin (only sync signal to the yin) and measure the output level to calculate as follows: clrby = 100 (v2/v1)+15% color: 1000000 color control characteristics 1 clrmn 21 c-1 measure the output amp litude v1 at color control max mode and output amplitude v2 at color control cen mode and, ca lculate as follows: clrmn = v1/v2 color: 1111111 color: 1000000 color control characteristics 2 clrmm 21 c-1 measure the output amp litude v3 at color control min mode to calculate as follows: clrmm = 20log (v1/v3) color: 0000000 color control sensitivity clrse 21 c-1 measure the output amp litude v4 at color control 90 mode and output amplitude v5 at color control 38 mode to calculate as follows: clrse = 100 (v4-v5)/(v2 ?~ 52) color: 1011010 color: 0100110 fsc output level fsc37 37 measure 4.43mhz output amplitude at pin 37. residual higher harmonic level b e_car_b 21 c-1 burst only measure the 8.86mhz component output amplitude at pin 21. residual higher harmonic level r e_car_r rout 21 burst only measure the 8.86mhz component output amplitude at pin 19. residual higher harmonic level g e_car_g gout 21 c-1 burst only measure the 8.86mhz component output amplitude at pin 20. [chroma block]: pal input signal symbol test point input signal test method bus bit/input signal acc amplitude characteristics 1 accm1_p bout 21 c-1 0db +6db measure the output am plitude when 0db is applied to the chroma input and the output amplitude when +6db is applied to the chroma input and calculate the ratio between them. accm1 = 20log (+6dbdata/0dbdata) color: 1000000 acc amplitude characteristics 2 accm2_p bout 21 c-1 -20db measure the output am plitude when ?20db is applied to the chroma input and calculate the ratio between them. accm2 = 20log (-20dbdata/0dbdata) color: 1000000 demodulation output ratio r-y/b-y: pal rb_p 21 19 c-1 refer to 5. and meas ure bout output amplitude vb and rout output amplitude vr. and calculate rb = vr/vb. color: 1000000 demodulation output ratio g-y/b-y: pal gb_p 21 19 c-4 measure bout output amplitude vbp and gout output amplitude vgbp. a nd calculate gb_p = vgb-p/vb-p. color: 1000000 continued on next page. la76810A noa0252-20/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal demodulation output ratio g-y/r-y: pal gr_p 20 19 c-5 measure rout output amplitude vrp and gout output amplitude vgbp. a nd calculate gr_p = vgrp/vrp. color: 1000000 demodulation angle b-y/r-y: pal angbr_p 21 19 c-1 refer to 5. and measure the b-y and r-y demodulation angle and calculate. color: 1000000 apc pull-in range (+) pulin+_p 21 c-1 decrease the chroma fsc frequency from 4.433619mhz+1000hz and measure the frequency at which the vco locks. apc pull-in range (-) pulin-_p 21 c-1 increase the chroma fsc frequency from 4.433619mhz-1000hz and measure the frequency at which the vco locks. [chroma block]: ntsc input signal symbol test point input signal test method bus bit/input signal acc amplitude characteristics 1 accm1_n bout 21 c-1 0db +6db measure the output am plitude when 0db is applied to the chroma input and the output amplitude when +6db is applied to the chroma input and calculate t he ratio between them. accm1 = 20log (+6dbdata/0dbdata) acc amplitude characteristics 2 accm2_n bout 21 c-1 -20db measure the output am plitude when 20db is applied to the chroma input and calculate the ratio between them. accm2 = 20log (-20dbdata/0dbdata) r-y/b-y: ntsc demodulation output ratio r-y/b-y: ntsc rb_n 21 19 c-1 refer to 5. and meas ure bout output amplitude vb and rout output amplitude vr. and calculate rb = vr/vb. color: 1000000 g-y/b-y: ntsc demodulation output ratio r-y/b-y: ntsc gb_n 20 c-1 refer to 5. and meas ure gout output amplitude vg. and calculate gb_n = vg/vb. color: 1000000 demodulation angle b-y/r-y: ntsc angbr_n 21 19 c-1 refer to 5. and measure the b-y and r-y demodulation angle and calculate. reference: b-y angle color: 1000000 demodulation angle g-y/b-y: ntsc anggb_n 21 20 c-1 refer to 5. and measure the b-y and g-y demodulation angle and calculate. reference: b-y angle color: 1000000 killer operating point kill_n 21 c-1 reduce the input signal until the output level becomes 150mvp-p or less. measure the input level at that moment. apc pull-in range (+) pulin+_n 21 c-1 decrease the chroma fsc frequency from 3.579545mhz+1000hz and measure the frequency at which the vco locks. apc pull-in range (-) pulin-_n 21 c-1 increase the chroma fsc frequency from 3.579545mhz-1000hz and measure the frequency at which the vco locks. tint center tincen 21 c-1 measure each part of the output level and calculate the b-y axis angle. tint: 1000000 continued on next page. la76810A noa0252-21/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal tint variable range (+) tint+ 21 c-1 measure each part of the output level and calculate the b-y axis angle. tint+ = b-y axis angle -tincen tint 1111111 tint variable range (-) tint- 21 c-1 measure each part of the output level and calculate the b-y axis angle. tint- = b-y axis angle -tincen tint 0000000 [filter block chroma bpf characteristic] input signal symbol test point input signal test method bus bit/input signal c-bpf1a peaker amplitude characteristic 3.93mhz cbpf1a 21 c-3 pal signal set the chroma frequency (cw) to 4.433619mhz-100khz and m easure v0 output amplitude. and then, set the chroma frequency (cw) to 3.93mhz and measure v1 output amplitude to calculate as follows: cbpf1a = 20log (v1/v0) filter sys = 0010 c.bypass = 0 c-bpf1b peaker amplitude characteristic 4.73/4.13mhz cbpf1b 21 c-3 pal signal measure v2 output amp litude when the chroma frequency (cw) is 4. 13mhz and v3 output amplitude when it (cw) is 4.73mhz to calculate as follows: cbpf1b = 20log (v3/v2) filter sys = 0010 c.bypass = 0 c-bpf1c peaker amplitude characteristic 4.93/3.93mhz cbpf1c 21 c-3 pal signal set the chroma frequency (cw) to 4.93mhz and measure v4 output amp litude to calculate as follows: cbpf1c = 20log (v4/v1) filter sys = 0010 c.bypass = 0 c-bpf2a bandpass amplitude characteristic 3.93mhz cbpf2a 21 c-3 pal signal set the chroma frequency (cw) to 4.433619mhz-100mhz and m easure v00 output amplitude. and then, set the chroma frequency (cw) to 3.93mhz and measure v10 output amplitude to calculate as follows: cbpf2a = 20log (v10/v00) filter sys = 0011 c.bypass = 0 c-bpf2b bandpass amplitude characteristic 4.73/4.13mhz cbpf2b 21 c-3 pal signal measure v20 output amp litude when the chroma frequency (cw) is 4. 13mhz and v30 output amplitude when it (cw) is 4.73mhz to calculate as follows: cbpf2b = 20log (v30/v20) filter sys = 0011 c.bypass = 0 c-bpf2c bandpass amplitude characteristic 4.93/3.93mhz cbpf2c 21 c-3 pal signal set the chroma frequency (cw) to 4.93mhz and measure v40 output amp litude to calculate as follows: cbpf2c = 20log (v40/v10) filter sys = 0011 c.bypass = 0 la76810A noa0252-22/40 deflection block input signals and test conditions unless otherwise specified, the following conditi ons apply when each measurement is made. 1. vif, sif blocks: no signal 2. c input: no. signal 3. sync input: a horizontal/vertical composite sync signal pal: 43ire, horizontal sync signal (15.625khz) and vertical sync signal (50khz) ntsc: 40ire, horizontal sync signal (15.734264khz) and vertical sync signal (59.94khz) note: no burst signal, chroma signal shall exist below the pedestal level. 4. bus control conditions: initial c onditions unless otherwise specified. 5. the delay time from the rise of the horizontal output (pin 27 output) to the fall of the fbp in (pin 28 input) is 9 s. 6. pin 13 (vertical size correction circuit input terminal) is connected to v cc (5.0v). burst signal chroma signal signal unsuitable for y input signal suitable for y input la76810A noa0252-23/40 deflection block test conditions input signal symbol test point input signal test method bus bit/input signal horizontal free-running frequency fh y in: no signal connect a frequency counter to the output of pin 27 (h out) and measur e the horizontal free-running frequency. horizontal pull-in range fh pull yin: horizontal/ vertical sync signal pal using an oscilloscope, m onitor the horizontal sync signal which is input to the y in (pin 42) and the pin 27 output (h out) and vary the horizontal signal frequency to measure the pull-in range. horizontal output pulse length hduty y in: horizontal/ vertical sync signal pal measure the voltage for the pin 27 horizontal output pulse?s low-level period. horizontal output pulse saturation voltage v hsat y in: horizontal/ vertical sync signal pal measure the voltage for the pin 27 horizontal output pulse?s low-level period. vertical free-running period 50 (pal) vertical free-running period 60 (ntsc) vfr50 vfr60 y in: no signal measure the vertical out put period t at pin 18 t 15.625khz (pal) t 15.734khz (ntsc) cdmode: 001 (pal) cdmode: 002 (ntsc) horizontal output pulse hphcen (pal) (ntsc) y in: horizontal/ vertical sync signal pal ntsc measure the delay time from to the rise of the pin 27 horizontal output pulse to the fall of the y in horizontal sync signal. horizontal position adjustment range hphrange y in: horizontal/ vertical sync signal pal with h phase: 0 and 31, measure the delay time from the rise of the pi n 27 horizontal output pulse to the fall of the y in horizontal sync signal and calculate the differ ence from h phcen. h phase: 00000 h phase: 11111 continued on next page. 27 42 27 27 23 42 27 42 27 hphcen 20ire 2.5v horizontal output t 2.5v vertical output measuring hphcen 20ire 2.5v horizontal output la76810A noa0252-24/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal horizontal position adjustment maximum variable width hphstep y in: horizontal/ vertical sync signal pal with h phase: 0 to 31 varied, measure the delay time from to the rise of the pin 27 horizontal output pulse to the fall of the y in horizontal sync signal and calculate the va riation at each step. retrieve data for maximum variation. h phase: 00000 to h phase: 11111 por circuit operating voltage vpor y in: horizontal/ vertical sync signal pal connect a dc power supply in place of the current source to pin 25 and gradually decrease the voltage from 5.0v until the bus read tatus [por][status1 (d a01) becomes "1". measure the dc voltage at pin 25 at the moment. horizontal blanking left variable range@0 blkl0 y in: horizontal/ vertical sync signal pal measure the time t from the left end of hsync at pin 42 y in to the left end of blanking at pin 21 blueout with blkl = 000. blkl: 000 horizontal blanking left variable range@7 blkl7 y in: horizontal/ vertical sync signal pal measure the time t from the left end of hsync at pin 42 y in to the left end of blanking at pin 21 blueout with blkl = 111. blkl: 111 continued on next page. measuring hphcen 20ire horizontal output 42 27 blue hsync y in t blue hsync y in t 42 21 25 42 21 la76810A noa0252-25/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal horizontal blanking right variable range@0 blkr0 y in: horizontal/ vertical sync signal pal measure the time t from the left end of hsync at pin 42 y in to the left end of blanking at pin 21 blueout with blkr = 000. blkr: 000 horizontal blanking right variable range@7 blkr7 y in: horizontal/ vertical sync signal pal measure the time t from the left end of hsync at pin 42 y in to the left end of blanking at pin 21 blueout with blkr = 111. blkr: 111 sand castle pulse crest value h sandh y in: horizontal/ vertical sync signal pal measure the supply voltage at point h of the pin 28 fbp in wave form for hsync period. sand castle pulse crest value m1 sandm1 y in: horizontal/ vertical sync signal pal measure the supply voltage at point m1 of the pin 28 fbp in wave form for hsync period. sand castle pulse crest value l sandl y in: horizontal/ vertical sync signal pal measure the supply voltage at point l of the pin 28 fbp in wave form for hsync period. sand castle pulse crest value m2 sandm2 y in: horizontal/ vertical sync signal pal measure the supply voltage at point m2 of the pin 28 fbp in wave form for vsync period. burst gate pulse length bgpwd y in: horizontal/ vertical sync signal pal measure the bgp width t of the pin 28 fbp in wave form for hsync period. continued on next page. 28 28 28 28 42 21 42 21 blue hsync y in t blue hsync y in t h m1 l l 28 t la76810A noa0252-26/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal burst gate pulse i phase bgpph y in: horizontal/ vertical sync signal pal measure the time from the left end of hsync at pin 42 y in to the left end of the pin 28 fbp in wave form for hsync period. secam v pulse lengt h secamv y in: horizontal/v ertical sync signal pal measure the secam v pulse length t of the pin 28 fbpin wave form. calculate as: t(s) 15.625khz la76810A noa0252-27/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal la76810A noa0252-28/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal vertical linearity@16 vlin16 y in: horizontal/ vertical sync signal pal monitor the pin 23 vertical ramp output and measure the voltage at line 24, line 167 and 310. assign the respective measured values to va, vb and vc. calculate as follows: vlin16 = (vb-va)/(vc-vb) vertical linearity@0 vlin0 y in: horizontal/ vertical sync signal pal monitor the pin 23 vertical ramp output and measure the voltage at line 24, line 167 and 310. assign the respective measured values to va, vb and vc. calculate as follows: vlin0 = (vb-va)/(vc-vb) vlin: 00000 vertical linearity@31 vlin31 y in: horizontal/ vertical sync signal pal monitor the pin 23 vertical ramp output and measure the voltage at line 24, line 167 and 310. assign the respective measured values to va, vb and vc. calculate as follows: vlin31 = (vb-va)/(vc-vb) vlin: 11111 continued on next page. 23 23 23 line 310 line 24 line 167 vertical ramp tt line 310 line 24 line 167 vertical ramp tt line 310 line 24 line 167 vertical ramp tt la76810A noa0252-29/40 continued from preceding page. input signal symbol test point input signal test method bus bit/input signal vertical s-shaped correction @16 vscor16 y in: horizontal/ vertical sync signal pal monitor the pin 23 vertical ramp output and measure the voltage at li ne 36, line 60, line 155, line 179, line 274 and 298. assign the respective measured values to va, vb, vc, vd, ve and vf. calculate as follows: vscor16 = 0.5((vb-va)+(vf-ve))/(vd-vc) vs: 10000 vertical s-shaped correction @0 vscor0 y in: horizontal/ vertical sync signal pal monitor the pin 23 vertical ramp output and measure the voltage at t he line 36, line 60, line 155, line 179, line 274 and line 298 with vsc = 00000. assign the respective measured values to va, vb, vc, vd, ve and vf. calculate as follows: vscor0 = 0.5((vb-va)+(vf-ve))/(vd-vc) vertical s-shaped correction @31 vscor31 y in: horizontal/ vertical sync signal pal monitor the pin 23 vertical ramp output and measure the voltage at li ne 36, line 60, line 155, line 179, line 274 and 298. assign the respective measured values to va, vb, vc, vd, ve and vf. calculate as follows: vscor16 = 0.5((vb-va)+(vf-ve))/(vd-vc) vsc: 11111 15 23 23 vertical ramp output line 155 line 36 line 274 line 298 line 60 line 179 vertical ramp output line 155 line 36 line 274 line 298 line 60 line 179 vertical ramp output line 155 line 36 line 274 line 298 line 60 line 179 la76810A noa0252-30/40 control register bit allocation map control register bit allocations sub address msb data bits lsb da0 da1 da2 da3 da4 da5 da6 da7 t.disable afc gain&gate h.freq 00000000 1 0 1 1 1 1 1 1 h blk sw audio.mute video.mute h.pahse 00001 0 0 0 1 0 0 0 0 sync.kill v.size 00010 0 1 0 0 0 0 0 0 vsepup v.kill v.posi 00011 0 0 1 0 0 0 0 0 gray mode cross b/w v.lin 00100 0 0 0 1 0 0 0 0 h blk r&l v.sc 00101 1 0 0 0 0 0 0 0 v.test v.comp count.down.mode 00110 0 0 1 1 1 0 0 0 r.bias 00111 0 0 0 0 0 0 0 0 g.bias 01000 0 0 0 0 0 0 0 0 b.bias 01001 0 0 0 0 0 0 0 0 * r.drive 01010 (0) 1 1 1 1 1 1 1 drive.test b select rg def g.drive 01011 0 0 0 1 1 0 0 0 * b.drive 01100 (0) 1 1 1 1 1 1 1 blank.def sub.bright 01101 0 1 0 0 0 0 0 0 * bright 01110 (0) 1 0 0 0 0 0 0 * contrast 01111 (0) 1 0 0 0 0 0 0 osd cnt.test osd contrast 10000 0 1 0 0 0 0 0 0 blk.str.deff coring sharpness 10001 1 1 0 0 0 0 0 0 tint.test tint 10010 0 1 0 0 0 0 0 0 color.test color 10011 0 1 0 0 0 0 0 0 video sw (trap.test) filter.sys 10100 0 1 0 0 0 0 1 0 akb b/w akb def c.temp.r 10101 0 0 1 0 0 0 0 0 * fbpblk.sw c.temp.g 10110 (0) 1 1 0 0 0 0 0 akb test c.temp.b 10111 0 0 1 0 0 0 0 0 continued on next page. la76810A noa0252-31/40 continued from preceding page. sub address msb data bits lsb da0 da1 da2 da3 da4 da5 da6 da7 auto.flesh c.ext c.bypass c_kill on c_kill off color.sys 00011000 0 0 1 0 0 0 0 0 cont.test digital osd brt.abl.def mid. stp.def emg.abl.def bright.abl.threshold 11001 0 0 0 0 0 1 0 0 r-y/b-y gain balance r-y/b-y angle 11010 1 0 0 0 1 0 0 0 secam b-y dc level (white-balance ) secam r-y dc level (white-balance ) 11011 1 0 0 0 1 0 0 0 audio sw volume 11100 0 0 0 0 0 0 0 0 fm.test vol.fil rf.agc 11101 0 0 1 0 0 0 0 0 fm.mute deem.tc vif.sys.sw sif.sys. sw fm.gain if.agc 11110 0 0 0 1 0 1 0 0 video.level fm.level 11111 1 0 0 1 0 0 0 0 status register bit allocations msb data bits lsb da0 da1 da2 da3 da4 da5 da6 da7 status1 (x.ray) por if.ident rf.agc if.lock v.tri 50/60 st/nonst * * * * * * * * status2 h.lock (akb) * color.sys * r g b (0) * * * la76810A noa0252-32/40 control register truth table register name 0 hex 1 hex 2 hex 3 hex t.disable tset e nable test disable afc gain&gate auto (gain) gain:fast auto (gate) non-gate h blk sw right control left control audio.mute active mute video.mute active mute sync.kill sync active sync killed vsepup normal vsepup v.kill vrt active vrt killed gray mode normal gray osd cross b/w normal black white cross vertical test normal vrt s corr vrt lin vrt size drive.test normal test mode b gamma select b gamma on b gamma on b gamma on b gamma off 85% (same as r,g) 90% 95% r/g gamma. def gamma linear blank.def blanking no blank osd cnt.test normal test mode blk.str.deff blk str on blk str off coring core off core on tint.test normal test mode color.test normal test mode video.sw internal mode external mode (akb b/w) akb black akb white (akb def) akb on akb off fbpblk.sw fbp not or fbp or (akb test) normal test mode1 test mode2 test mode3 auto.flesh af off af on c.ext internal mode external mode c.bypass bypass off bypass on c_kill on auto mode killer on c_kill off auto mode killer off cont.test normal test mode emg.abl.def emg on emg off brt.abl.def brt abl on brt abl off mid.stp.def mid stp on mid stp off audio.sw internal mode external mode fm.test normal test mode vol.fil normal filte off fm.mute active mute de-em tc. 50 s 75 s vif.sys.sw 38.0mhz 38. 9mhz 45.75mhz 39.5mhz sif.sys.sw 4.5mhz 5. 5mhz 6.0mhz 6.5mhz fm gain (@1000mvrms) 50khz dev. 25khz dev if.agc agc active agc defeat la76810A noa0252-33/40 control register truth table count down mode 50hz/60hz mode standard/non-standard mode 0 hex auto auto 1 hex 50hz auto 2 hex 60hz auto 3 hex auto auto 4 hex auto non-standard 5 hex 50hz non-standard 6 hex 60hz non-standard 7 hex auto non-standard color system 0 hex auto mode1 pal/ntsc/4.43ntsc(/secam) 1 hex auto mode2 pal-m/pal-n/ntsc 2 hex pal 3 hex pal-m 4 hex pal-n 5 hex ntsc 6 hex 4.43ntsc 7 hex secam filter system y filter chroma filter 0 hex 3.58mhz trap peaked 3.58mhz bpf 1 hex 3.58mhz trap symme trical 3.58mhz bpf 2 hex 4.43mhz trap peaked 4.43mhz bpf 3 hex 4.43mhz trap symme trical 4.43mhz bpf 4 hex no trap (wide band mode) peaked 3.58mhz bpf 5 hex no trap (wide band mode) symmetrical 3.58mhz bpf 6 hex no trap (wide band mode) peaked 4.43mhz bpf 7 hex no trap (wide band mode) symmetrical 4.43mhz bpf 8-15hex 4.286mhz trap sy mmetrical 4.43mhz bpf la76810A noa0252-34/40 initial conditions initial test conditions initia l test conditions (continued) register register on/off(t.disable) 1 hex osd cnt.test 0 hex afc gain&gate 0 hex osd contrast 0 hex h.freq 3f hex blk.str.deff 1 hex h blk sw 0 hex coring 1 hex audio.mute 0 hex sharpness 00 hex video.mute 0 hex tint.test 0 hex h.phase 10 hex tint 40 hex sync.kill 0 hex color.test 0 hex v.size 40 hex color 40 hex vsepup 0 hex video.sw 0 hex v.kill 0 hex (trap.test) 4 hex v.posi 20 hex filter.sys 0 hex gray mode 0 hex akb b/w 0 hex cross b/w 0 hex akb def 0 hex v.lin 10 hex c.temp.r 20 hex h blk r&l 4 hex fbpblk.sw 1 hex v.sc 00 hex c.temp.g 20 hex v.test 0 hex akb test 0 hex v.comp 7 hex c.temp.b 20 hex count.down.mode 0 hex auto.flesh 0 hex r.bias 00 hex c.ext 0 hex g.bias 00 hex c.bypass 1 hex b.bias 00 hex c_kill on 0 hex r.drive 7f hex c_kill off 0 hex drive.test 0 hex color sys 0 hex b gamma select 0 hex cont.test 0 hex r/g gamma.def 1 hex digitsl osd 0 hex g.drive 8 hex bright.abl.threshold 4 hex b.drive 7f hex emg.abl.def 0 hex blank.def 0 hex brt.abl.def 0 hex sub.bright 40 hex mid.stp.def 0 hex bright 40 hex r-y/b-y gain balance 8 hex contrast 40 hex r-y/b-y angle 8 hex secam b-y dc level 8 hex secam r-y dc level 8 hex audio.sw 0 hex volume 00 hex fm.test 0 hex vol.fil 0 hex rf.agc 20 hex fm.mute 0hex deem.tc 0hex vif.sys.sw 1 hex sif.sys.sw 1 hex fm.gain 0 hex if.agc 0 hex video.level 4 hex fm.level 10 hex la76810A noa0252-35/40 control register descriptions register name bits general description t disable 1 disable the test sw & enable audio/video mute sw afc gain & gate 1 select horizontal first loop gain & h-sync gating on/off h freq. 6 align es sample horizontal frequency h.blk.sw 1 blanking control (right/left) audio mute 1 disable audio outputs video mute 1 disable video outputs h phase 5 align sync to flyback phase sync kill 1 force free-run mode vertical size 7 align vertical amplitude vsep.up 1 select vertical sy nc. separation sensitivity vertical kill 1 dis able vertical output v posi ( vertical dc ) 6 align vertical dc bias gray mode 1 osd gray tone enable cross b/w 2 service test mode ( normal/black/white/cross) v lin ( vertical linearity ) 5 align vertical linearity h blk r&l 3 h-blanking c ontrol ( width/phase ) vertical s-correction 5 a lign vertical s-correction vertical test 2 select vertical dac test modes vertical size compensation 3 a lign vertical size compensation count down mode 3 select vertical countdown mode red bias 8 align red out dc level green bias 8 align green out dc level blue bias 8 align blue out dc level red drive 7 align red out ac level drive test 1 enable drive control dac test modes b gamma select 2 select blue gamma gain r/g gamma defeat 1 dis able r/g gamma correction green drive 4 align green out ac level blue drive 7 align blue out ac level blank def 1 disable rgb output blanking sub brightness 7 align common rgb dc level brightness control 7 cust omer brightness control contrast control 7 cust omer contrast control osd contrast test 1 enable osd contrast dac test mode osd contrast control 7 align osd ac level blk str def 1 disable black stretch coring enable 1 enable luminance coring sharpness control 6 customer sharpness control tint test 1 enable tint dac test mode tint control 7 cust omer tint control color test 1 enable color dac test mode color control 7 customer color control video sw 1 select video source trap.test 3 trap test filter system 4 select y/c filter mode (akb b/w) 1 select akb black or white (akb def) 1 disable akb circuits continued on next page. la76810A noa0252-36/40 continued from preceding page. control register descriptions register name bits general description c temp r 6 align akb color temperature fbpblk.sw 1 enable rgb blanking or fbp c temp g 6 align akb color temperature (akb test) 2 enable akb c temp. dac test mode c temp b 6 align akb color temperature autoflesh 1 enable autoflesh function c ext 1 selected-c in sw on c bypass 1 select chroma bpf bypass c kill on 1 c kill mode ( 1: enable killer circuit ) c kill off 1 disable killer circuit color system 3 select color system cont test 1 enable c ontrast dac test mode bright abl threshold 3 align brightness abl threshold emergency abl defeat 1 dis able emergency brightness abl bright abl defeat 1 disable brightness abl bright mid stop defeat 1 disable brightness mid stop r-y/b-y balance 4 r-y/b-y gain balance r-y/b-y angle 4 r-y/b-y angle secam b-y dc level 4 secam b-y dc level ( white-balance ) secam r-y dc level 4 secam r-y dc level ( white-balance ) audio sw 1 select audio source volume control 7 customer volume control fm.test 1 fm.test volume filter defeat 1 di sable volume dac filter rf agc delay 6 align rf agc threshold fm mute 1 disable fm outputs de-em tc. 1 select de-em phasis time constant vif system sw 2 sele ct 38.0/38. 9/39.5/45.75 sif system sw 2 sele ct 4.5/5.5/6.0/6.5 fm gain 1 select fm output level if agc defeat 1 disable if and rf agc video level 3 align if video level fm level 5 align wba output level la76810A noa0252-37/40 pin assignment pin function pin function 1 audio output 54 sif input 2 fm output 53 sif apc filter 3 pif agc 52 sif output 4 rf agc output 51 ext. audio input 5 pif input1 50 apc filter 6 pif input2 49 vco coil 1 7 if ground 48 vco coil 2 8 if v cc 47 vco filter 9 fm filter 46 video output 10 aft output 45 black level detector 11 bus data 44 internal video input (s-c in) 12 bus clock 43 video/vertical v cc 13 abl 42 external video input (y in) 14 red input 41 video/ vertical/bus ground 15 green input 40 selected video output 16 blue input 39 chroma apc1 filter 17 fast blanking input 38 4.43mhz crystal 18 rgb v cc 37 fsc (4.43mhz) output 19 red output 36 acc filter 20 green output 35 secam r-y input 21 blue output 34 secam b-y input 22 sync sep output 33 ccd/horizontal ground 23 vertical output 32 ccd filter 24 ramp alc filter 31 ccd v cc 25 horizontal/bus v cc 30 clock (4mhz) output 26 horizontal afc filter 29 vco iref 27 horizontal output 28 flyback pulse input la76810A noa0252-38/40 bus data register tr bit intial max min t.disable 0 1 1 1 0 afc gain&gate 0 1 0 1 0 h.freq 0 6 63 63 0 h blk sw 1 1 0 1 0 audio.mute 1 1 0 1 0 video.mute 1 1 0 1 0 h.phase 1 5 16 31 0 sync.kill 2 1 0 1 0 v.size 2 7 64 127 0 vsepup 3 1 0 1 0 v.kill 3 1 0 1 0 v.posi 3 6 32 63 0 gray.mode 4 1 0 1 0 cross b/w 4 2 0 3 0 v.lin 4 5 16 31 0 h blk r&l 5 3 4 7 0 v.sc 5 5 0 31 0 v.test 6 2 0 3 0 v.comp 6 3 7 7 0 count.down.mode 6 3 0 7 0 r.bias 7 8 0 255 0 g.bias 8 8 0 255 0 b.bias 9 8 0 255 0 r.drive 10 7 127 127 0 drive.test 11 1 0 1 0 b gammma.sel 11 2 0 3 0 rg.gamma.def 11 1 1 1 0 g.drive 11 4 8 15 0 b.drive 12 7 127 127 0 blank.def 13 1 0 1 0 sub.bright 13 7 64 127 0 bright 14 7 64 127 0 contrast 15 7 64 127 0 osd cnt.test 16 1 0 1 0 osd contrast 16 7 64 127 0 blk.str.deff 17 1 1 1 0 coring 17 1 1 1 0 sharpness 17 6 0 63 0 tint.test 18 1 0 1 0 tint 18 7 64 127 0 color.test 19 1 0 1 0 color 19 7 64 127 0 video.sw 20 1 0 1 0 trap.test 20 3 4 7 0 filter.sys 20 4 2 15 0 (akb b/w) 21 1 0 1 0 (akb def) 21 1 0 1 0 c.temp.r 21 6 32 63 0 fbpblk.sw 22 1 1 1 0 c.temp.g 22 6 32 63 0 (akb test) 23 2 0 3 0 c.temp.b 23 6 32 63 0 continued on next page. la76810A noa0252-39/40 continued from preceding page. register tr bit intial max min auto.flesh 24 1 0 1 0 c.ext 24 1 0 1 0 c.bypass 24 1 1 1 0 c_kill on 24 1 0 1 0 c_kill off 24 1 0 1 0 color.sys 24 3 0 7 0 cont.test 25 1 0 1 0 bright.abl.threshold 25 3 4 7 0 emg.abl.def 25 1 0 1 0 brt.abl.def 25 1 0 1 0 mid.stp.def 25 1 0 1 0 r-y/b-y gain balance 26 4 8 15 0 r-y/b-y angle 26 4 8 15 0 secam b-y dc level 27 4 8 15 0 secam r-y dc level 27 4 8 15 0 audio.sw 28 1 0 1 0 volume 28 7 0 127 0 fm.test 29 1 0 1 0 vol.fil 29 1 0 1 0 rf.agc 29 6 32 63 0 fm.mute 30 1 0 1 0 deem.tc 30 1 0 1 0 vif.sys.sw 30 2 1 3 0 sif.sys.sw 30 2 1 3 0 fm.gain 30 1 0 1 0 if.agc 30 1 0 1 0 video.level 31 3 4 7 0 fm.level 31 5 16 31 0 la76810A ps noa0252-40/40 status byte truth table status byte truth table register 0 hex 1 hex por undetected detected if.ident sync undetec ted sync detected rf.agc rf.agc.out = "l" rf.agc.out = "h" if.lock lock unlock v.tri v.triger undetec ted v.triger detected 50/60 50 60 st/nonst non-standard standard h.lock horiz unlocked horiz locked (akb r) r beam current low r beam current high (akb g) g beam current low g beam current high (akb b) b beam current low b beam current high 0 hex b/w 1 hex pal 2 hex pal-m 3 hex pal-n 4 hex ntsc 5 hex 4.43ntsc 6 hex secam color system 7 hex do not care ? specifications of any and all sanyo semiconducto r products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the perform ance, characteristics, and functions of the described products as mounted in the customer's pr oducts or equipment. to verify sy mptoms and states that cannot be evaluated in an independent device, the customer s hould always evaluate and test devices mounted in the customer's products or equipment. ? sanyo semiconductor co., ltd. strives to supply high-quality high-reliability products. however, any and all semiconductor products fail with some probabilit y. it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other proper ty. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such meas ures include but are not limited to protective circuits and error prevent ion circuits for safe design, r edundant design, and structural design. ? in the event that any or all sanyo semiconductor products (including technical data, services) described or contained herein are controlled under any of applicabl e local export control laws and regulations, such products must not be exported wit hout obtaining the export license from the authorities concerned in accordance with the above law. ? no part of this publication may be reproduced or tr ansmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, of otherwise, without the prior written permission of sanyo semiconductor co., ltd. ? any and all information described or contained her ein are subject to c hange without not ice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor product that you intend to use. ? information (including circ uit diagrams and circuit parameters) herei n is for example only; it is not guaranteed for volume production. sanyo semiconductor believes in formation herein is accurate and reliable, but no guarantees are made or impli ed regarding its use or any infringements of intellectual property rights or other rights of third parties. this catalog provides information as of november, 2006. specifications and information herein are subject to change without notice. |
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