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MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION
The M52335SP is a semiconductor integrated circuit thatintegrates NTSC system color TV signal processing functions into a single chip. It contains video IF, sound IF, picture, color, on-screen character display and deflection signal processing functions. Combining the IC with a simple output stage using a tuner and transistors provides rational NTSC system color TV set design.
PIN CONFIGURATION (TOP VIEW)
EXT AUDIO IN SOUND DET COIL SOUND DET OUT AF OUT IF AGC FILTER RF AGC DELAY ADJ. GND-1 (VIF SIF) VIF IN 1 2 3 4 5 6 7 8 9 52 RF AGC OUT 51 VIDEO OUT 50 AFT OUT 49 AFT DEFEAT 48 SIF IN 47 46 VIDEO VCO COIL
FEATURES
Large-scale single-chip integration provides set rationalization, high reliability and less power dissipation. P LL-employed full sync detector circuit is used as a video detector circuit to improve characteristics such as DG, DP, 920kHz beat and cross color. A quadrature detector circuit is used as a sound IF FM detector to simplify external circuits and improve linearity. Coilless AFT. Horizontal oscillator is obtained by counting down from x32 horizontal frequency oscillator using a ceramic oscillator, requiring no adjustment of horizontal free run frequency. Vertical oscillator is obtained by counting down double horizontal frequency oscillator generated by horizontal count-down, requiring no vertical sync adjustment. Using a 2-wind system provides high noise resistance capability. Double AFC is used as a horizontal circuit to reduce horizontal jitter in a weak electric field and screen distortion caused by luminance change. Also, the sync detector circuit allows use as a detector signal as for sound muting or automatic tuning. Built-in black expansion circuit Built-in Y-delay line circuit. Built-in on-screen character display circuit. DC voltage control is applied to picture quality, contrast, luminance, color saturation, tint and sound volume.
45 TV IN 44 SYNC IN 43 Y SW OUT 42 EXT. VIDEO IN
VCC-1 (VIF SIF) 10 APC FILTER 11
M52335SP
VCC-2 (DEF) 12 AFC FILTER 13 AFC FBP IN 14 32fH OSC. 15 X-RAY PROTECT 16 COINCIDENCE OUT 17 V. OUT 18 VCC-2 (VC) 19 H. OUT 20 COLOR CONT. 21 -Y OUT 22 R-Y OUT 23 G-Y OUT 24 B-Y OUT 25 OSD B 26
41 Y IN 40 VIDEO TONE CONT. 39 PEDESTAL CLAMP 38 CHROMA IN/BRIGHT CONT. 37 GND-2 (VCJ) 36 CONTRAST CONT. 35 KILLER FILTER 34 BLACK HOLD 33 ACC FILTER 32 CHROMA OSC 31 APC FILTER 30 FAST BLK IN 29 TINT. CONT 28 OSD R 27 OSD G
Outline 52P4B
RECOMMENDED OPERATING CONDITION
Supply voltage........................................................................5V, 9V Operating supply voltage..............................4.5 to 5.5V, 8.5 to 9.5V
APPLICATION
NTSC system color TV set
BLOCK DIAGRAM
VIDEO OUT
AFT DEFEAT
VIDEO VCO COIL
RF AGC OUT 45 40 39 38 37 36 35 34 31 29 28 27 44 43 41 33 32 30 42
AFT OUT
SIF IN
EXT. VIDEO TONE CHROMA IN/ CONTRAST BLACK CHROMA FAST SYNC IN VIDEO IN BRIGHT CONT. OSD R CONT. CONT. HOLD OSC BLK IN Y SW GND-2 KILLER ACC APC TINT. PEDESTAL TV IN OUT Y IN (VCD) FILTER FILTER FILTER CONT. OSD G CLAMP
52
51
50
49
48
47
46
SYNC SEP BLACK STRECH CONT RAST NTSC TINT CHPOMA AMP ACC/KILLER DET CHPOMA AMP
VIDEO TONE
AFT Y DL BRIGHT Y AMP APC DET BLK SEP
VCO
EQ AMP
VIDEO DET
LOCK DET
APC
VCO BCP 45
LIM V SYNC SEP AFC2 HCD
IF ACC
RF ACC
AF AMP VIF AMP
VCD DEMO
ATT VIF AMP AFC V/SIF VCC +5V VCC D. +9V 32fH OSC
FM DET
COINCIDENCE DET VC. VCC +9V OSD
1 12 VCC-2 (DEF) VCC-1 (VIF SIF) VIF IN APC FILTER
2 8 9 10 13 11
3
4
5
6
7
14
15
16
17
18
19
20
21
22
23
24
25
26
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
MITSUBISHI ICs (TV)
EXT SOUND IF AGC GND-1 AUDIO IN DET OUT FILTER (VIF SIF) SOUND AF OUT RF AGC DET COIL DELAY ADJ.
AFC X-RAY V. OUT H. OUT -Y. OUT G-Y OUT OSD B FBP IN PROTECT AFC 32fH OSC. COINCIDEN- VCC-2(VC) COLOR R-Y OUT B-Y OUT FILTER CE OUT CONT.
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
ABSOLUTE MAXIMUM RATINGS
Symbol VCC Pd Topr Tstg Parameter Supply voltage Power dissipation Operating temperature Storage temperatare Ratings 5.0, 9.0 1.35 -20 to 65C -40 to 150 Unit V W C C
ELECTRICAL CHARACTERISTICS
Symbol Parameter Test point A10 51 51 51 51A
(Ta=25C, unless otherwise noted) Input signal Test conditions 5 VCC VCC 10 12 5.0 9.0 V V 5.0 9.0 V V ON ON ON A SG. 1 A SG. 2 A SG. 3 A SG. 4 A SG. 10 5.0 9.0 V V ON 5.0 9.0 V V ON 5.0 9.0 ON V V 5.0 9.0 ON V V 5.0 9.0 ON V V ON ON ON ON ON ON ON ON ON ON ON ON S 2 S 5 S 10 S S 10A 12 ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON S 49 1 2 2 2 2 2 2 2 2 1 1 1 1 1 S 52 ON ON ON ON ON ON ON ON ON ON ON ON ON ON 55 4.25 4.25 101 5.0 30 49 8.3 Min. 24 3.0 1.2 1.5 Limits Unit Typ. 33 3.3 1.4 1.75 48 107 6.5 35 55 8.7 0.3 75 4.4 4.4 0.7 Max. 42 3.7 1.6 1.95 55 mA V VP-P V dB dB MHz dB dB V V
ICC10 V51 Vo51 V51L Vin min. Vin max BW IM S/N V50H V50L AFT V50D1 V50D2
Circuit current Video output DC voltage Video detector output signal voltage Sync signal tip voltage Input sensitivity
Maximum allowable input 51A Video frequency characteristics Inter-modulation Video S/N AFT output maximum voltage AFT output minimum voltage AFT sensitivity AFT defeat voltage1 AFT defeat voltage2 51 51 51A 50 50 50 50 50
Vari- 5.0 9.0 A ON SG. 11 able V V A SG. 2 A SG. 6 A SG. 7 A SG. 5 5.0 9.0 ON V V 5.0 9.0 V V ON 5.0 9.0 V V ON 5.0 9.0 V V ON 5.0 9.0 ON V V A SG. 14 5.0 9.0 ON V V
95 mV/kHz 4.55 4.55 V V
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
ELECTRICAL CHARACTERISTICS
Symbol Parameter
Test Input point signal
(cont.) Limits SSSSSSS VCC VCC S S S S S Min. Typ. Max. 10 48 6 48 10 12 2 2A 5 5A 10 A 12 48 A 49 51 52 5.0 9.0 VV 5.0 9.0 VV 2.0 V 4.0 V 5.0 9.0 VV 5.0 9.0 VV 5.0 9.0 VV
ON ON ON
Test conditions
2 A
Unit
V50D3
AFT defeat voltage3
50
A SG. 1
2
ON
4.25
4.4 4.55
V
V50M
AFT mute input level RF AGC maximum voltage RF AGC minimum voltage AF direct output DC voltage
AF direct output signal voltage
A A SG. 1 50 variable 52 52 3 3 3 3 4 4 4 4 4 4 4 48 4 B 0 SG. 23 V C SG. 21 C 1.1 SG. 17 V A SC. 17 C SG. 17 C SG. 19 C SG. 20 C SG. 17 C SG. 17 C SG. 17 A SG. 2 A SG. 2
ON
ON
ON
1
ON
45
50
55
dB
V52H V52L V3 V0AF LIM AMR V04 V40max ATT GAF S/N AF S TH
ON
ON
ON
2 2 2 2 2 2 2 2 2
ON
7.8
8.8 0.1 0.3
V V V
ON
ON
ON
ON
ON
ON
ON ON
ON
2.65 3.15 3.65 250 295 49 44 250 490 70 4.5 55 295 590 75 6.0 66 0.4 1.0 3.8 580 4.4 710 7.5
5.0 9.0 VV 5.0 9.0 VV 5.0 9.0 VV 5.0 9.0 VV 9.0 5.0 9.0 VVV 1.0 5.0 9.0 VVV
ON
ON
ON ON
ON
340 mVrms 55 dB dB 340 mVrms 720 mVrms dB dB dB 1.0 mVrms 5.0 5.0 % V
Limiting sensitivity AMR AF driver output AF driver maximum output Maximum attenuation AF driver gain Sound S/N
Sound switching threshold voltage AF driver maximum
ON
ON
ON ON
ON
ON
ON
ON ON
ON
ON
ON
ON ON
ON
ON
ON
ON ON
ON
ON
ON
ON ON
ON
9.0 5.0 9.0 VVV 9.0 5.0 9.0 VVV 9.0 5.0 9.0 VVV M 5.0 9.0 VV 4.5 5.0 9.0 VVV
ON ON
ON
ON
ON ON
2 2 2 2 2
ON
60
ON
ON
ON ON
ON
THD AF output distortion V48 V0EXT Pin
48
ON
ON
ON ON
ON
voltage
ON
ON
ON ON
ON
Output signal voltage at external input
ON
ON
ON
ON
830 mVrms
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
ELECTRICAL CHARACTERISTICS
Symbol Parameter
(cont.) Test conditions Limits Typ. Max. 2.5 0.1 34
15.800
Test Input S S S S point signal 36 VCC VCC VCC 2 S S S 12 S S S 19 S S S S S 44 S S S Min.
Unit
10 12 19 A 5 10 12 A 13 14 16 A 20 22 34 35 44 A 49 52 D VV
9.0 V 9.0 9.0
ON ON ON ON
V2 ISS ICC12 fH
V12 min.
Pin
2
voltage
2
ISS
f variable
5.0 9.0
2
ON
ON
2.2 1 0.05 1 29
2.9 0.2 39 16.2 7.5
V mA mA kHz V Hz Hz V0-P V0-P sec V Hz Hz V0-P V0-P sec V
Sync separation input ISS 20 sensitivity current H. VCC inflow Current Horizontal free run frequency Horizontal oscillator starting voltage Horizontal pull-in range 1 Horizontal pull-in range 2 Horizontal output maximum voltage Horizontal output minimum voltage Horizontal output pulse width Overvoltage detector operating voltage Vertical free run frequency 60 Vertical pull-in frequency 60 Vertical output maximum voltage Vertical output minimum voltage Vertical output pulse width Coincidence output maximum voltage Coincidence output minimum voltage Circuit current
ON
ON
2 2
ON
ON
A12 20 12 20 E 20 E 20 20 20 20 16 20 18 D SG. E
f variable
VV
9.0 V 9.0
ON
ON ON
ON
ON
ON
ON ON ON
2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
ON ON
1 15.4 1
V
9.0
ON
ON
ON ON ON
ON
ON ON
6.5
fPHL fPHH V20H V20L TH VRPO fV60 fPV60 V18H V18L TV60 V17H V17L ICC19
D SG. B
f variable
V
9.0
ON
ON
ON ON ON
ON
ON ON
1 -500 -600 1 +500 +600 1 1 1 1 1 1 1 1 1 1 1 38 494 7.7 544 8.5 0.33 48 0.5 58 21 3.0 3.65 4.65 0 24 0.3 29
V D SG. B D SG. B D SG. B
9.0
ON
ON
ON ON ON
ON
ON ON
V
9.0
ON
ON
ON ON ON
ON
ON ON
V
9.0
ON
ON
ON ON ON
ON
ON ON
V
9.0
ON
ON
ON ON ON
ON
ON ON
V
9.0
ON
ON ON ON
ON
ON ON
0.61 0.71 0.81 53.4 55 57.6 70 9.0 0.55 594
V
9.0
ON
ON
ON ON ON
ON
ON ON
18 D SG. B 18 18 18 17 D SG. A D SG. A D SG. A D SG. B
f=17kHz
V
9.0
ON
ON
ON ON ON
ON
ON ON
64.9 67.5 7.0 8.0
V
9.0
ON
ON
ON ON ON
ON
ON ON
V
9.0
ON
ON
ON ON ON
ON
ON ON
V
9.0
ON
ON
ON ON ON
ON
ON ON
V
9.0
ON
ON
ON ON ON
ON
ON ON
17 D SG. B A19
5.1
V
9.0 9.0
ON
ON
ON ON ON
ON
ON ON
V mA
V
VV
ON ON
ON ON ON
ON
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
ELECTRICAL CHARATERISTIC
Symbol Parameter
(cont. ) Input signal F SG. F F SG. G F SG. G F SG. G D SG. A D SG. A D SG. A F SG. G SG. J F SG. J F SG. J F SG. J F SG. K Test conditions
VCC VCC VCC S S S S S S S 36 38 40 10 12 19 10 12 19 20 22 34 35
Test point 22 22 22 22 22 22 22
Limits Min. 5.4 7.0 Typ. 6.4 11.0 15.0 -35 2.5 3.05 2.0 4.25 6.0 3.45 2.4 4.7 8.5 3.8 2.7 5.15 Max. Unit
Ymax. GY GYmix. GYmax. VBRT norm VBRT L VBRT H GP GT norm GT min. GT max. fBY V40 VBLK V VBLK TV HBLK H YDL 1 YDL 2
Maximum output Standard gain Contrast control characteristic 1 Contrast control characteristic 2 Brightness control characteristic 1 Brightness control characteristic 2 Brightness control characteristic 3 Peaking value Video tone control characteristic 1 Video tone control characteristic 2 Video tone control characteristic 3 Frequency characteristic Pin
40
9.0 V 5.1 V 2.5 V 9.0 V
9.0 5.0 9.0 9.0 ON ON ON ON ON 2 VVVV 9.0 5.0 9.0 9.0 V V V V ON ON ON ON ON 2 9.0 5.0 9.0 9.0 ON ON ON ON ON 2 VVVV 9.0 5.0 9.0 9.0 V V V V ON ON ON ON ON 2
VP-P dB dB dB VP-P VP-P VP-P
5.1 4.5 9.0 5.0 9.0 9.0 ON ON ON ON ON 2 VVVVVV 5.1 2.5 9.0 5.0 9.0 9.0 V V V V V V ON ON ON ON ON 2 5.1 6.5 9.0 5.0 9.0 9.0 ON ON ON ON ON 2 VVVVVV 5.1 V 5.1 V 5.1 V 5.1 V 5.1 V 5.1 V 2.5 V 2.5 V 5.0 9.0 9.0 ON ON ON ON ON 2 VVV 4.5 5.0 9.0 9.0 ON ON ON ON ON 2 VVVV 0 5.0 9.0 9.0 ON ON ON ON ON 2 VVVV 9.0 5.0 9.0 9.0 ON ON ON ON ON 2 VVVV 5.0 9.0 9.0 ON ON ON ON ON 2 VVV M 5.0 9.0 9.0 ON ON ON ON ON 2 VVV 9.0 5.0 9.0 9.0 ON ON ON ON ON 2 VVVV 9.0 5.0 9.0 9.0 ON ON ON ON ON 2 VVVV 9.0 5.0 9.0 9.0 ON ON ON ON ON 2 ON VVVV 5.0 9.0 9.0 ON ON ON ON ON 2 VVV 5.0 9.0 9.0 ON ON ON ON ON 2 VVV
22
7.5
11.0
14.5
dB
22 22 22 22 40 22 22 22 25A 22 41 22 41
-1.2 -4.8 1.2 5.0 4.05 6.9 1.31
-0.5
1.0
dB dB dB MHz
-8.3 -11.8 4.2 8.0 4.3 7.1 1.38 1.44 4.55 7.2
voltage
V V0-P msec
Vertical blanking voltage Vertical blanking pulse width Horizontal blanking theshold voltage Y delay value 1 Y delay valye 2
E 2.5 SG. P V 0.2VP-P F SG. T F SG. T 5.1 2A V- 5.1 0 VV
6.9
7.1
V0-P
225 120
260 140
295 160
nsec nsec
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
ELECTRICAL CHARACTERISTICS
Symbol Parameter Test point
(cont. ) Input signal F SG. U variable H SG. G H SG. F -6dB G SG. F -6dB E SG. L 0dB E SG. L -20dB E SG. L +6dB E SG. L variable E SG. Q 0dB E SG. L 0dB E SG. L 0dB E SG. L 0dB E SG. L 0dB E SG. L 0dB 2.1 1.0 V - Test conditions
2 A VCC VCC VCC S S S S S S 21 36 40 10 12 19 10 12 19 20 22 34
Limits Min. Typ. Max. Unit
BS1
Black stretch threshold 1 AV SW switching threshold voltage AV SW TV output signal voltage
22
5.1 V 5.1 V 5.1 V 5.1 V
1 5.0 9.0 9.0 ON ON ON ON ON VVV 2 5.0 9.0 9.0 V V V ON ON ON 5.0 9.0 9.0 V V V ON ON ON 5.0 9.0 9.0 ON ON ON VVV
37
50
63
IRE
AVTH
43 2A
2
1.0
1.5
2.1
V
AVTV
43
2
1.4
1.5
1.6
VP-P
AVEXT
AV SW EXT output signal voltage
43
1.1 V
2
1.4
1.5
1.6
VP-P
Cmax.
Chroma maximum output 25A
6.5 9.0 9.0 5.0 9.0 9.0 ON ON ON VVVVVV 5.1 9.0 5.0 9.0 9.0 V V V V V ON ON ON
ON 2
3.2
4.7
6.2
VP-P
ACC-1
ACC characteristic 1
25A
ON 2
-5.0
-1.0
0
dB
ACC-2
ACC characteristic 2
25A
5.1 9.0 5.0 9.0 9.0 V V V V V ON ON ON 5.1 9.0 5.0 9.0 9.0 ON ON ON VVVVV
ON 2
-3.0
0
+3.0
dB
Vik
Killer operation level
G 25A
ON 2
-48
-41
-35
dB
Vok
Killer color residual
25A
9.0 9.0 5.0 9.0 9.0 ON ON ON VVVVV 5.1 9.0 5.0 9.0 9.0 V V V V V ON ON ON
ON 2
-
15
35
mVP-P
Cnorm.
Chroma standard output
25A
ON 2
1.0
1.45
1.85
VP-P
Csmin.
Color control characteristic 1
25A
0 5.1 9.0 5.0 9.0 9.0 ON ON ON VVVVVV 9.0 5.1 9.0 5.0 9.0 9.0 ON ON ON VVVVVV 2.5 9.0 5.0 9.0 9.0 ON ON ON VVVVV
ON 2
-40
-30
dB
Csmax.
Color control characteristic 2
25A
ON 2
3.8
7.3
10.8
dB
Cumin.
Color tracking characteristic 1 Color tracking characteristic 2
25A
ON 2
-48
-38
-30
dB
Cumax.
25A
9.0 9.0 5.0 9.0 9.0 ON ON ON VVVVV
ON 2
1.7
5.2
8.7
dB
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
ELECTRICAL CHARACTERISTICS
Symbol Parameter Test point
(cont. ) Input signal F SG. M 0dB E SG. M 0dB Test conditions
VCC VCC VCC S S S S S S S 21 36 40 10 12 19 10 12 19 22 34 36 39
Limits Min. Typ. Max. Unit
fPCL
APC pull-in range 1
25A G
5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 VVVVV 5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 VVVVV
-0.3
-0.7
kHz
fPCH
APC pull-in range 2
25A G
+0.3
+0.7
kHz
fPC
Total APC pull-in range
0.6
1.4
kHz
V23
Modulated output DC voltage 1 Modulated output DC voltage 2 Modulated output DC voltage 3
23A
5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 ON VVVVV 5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 ON VVVVV 5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 ON VVVVV
5.0
5.4
5.8
V
V24
24A
5.0
5.4
5.8
V
V25
25A
5.0
5.4
5.8
V
V23-24
Modulated output DC offset voltage 1 Modulated output DC offset voltage 2 Modulated output DC offset voltage 3 Modulated output carrier leak 1 Modulated output carrier leak 2 Modulated output carrier leak 3 E SG. L 0dB E SG. L 0dB E SG. L 0dB E SG. L 0dB F SG. G E SG. L 0dB 4.5 5.1 9.0 5.0 9.0 9.0 V V V V V V ON ON ON ON 2
-0.3
0
+0.3
V
V24-25
-0.3
0
+0.3
V
V25-23
-0.3
0
+0.3
V
CL B-Y CL R-Y CL G-Y
25
0.2
VP-P
23
4.5 5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 VVVVVV 4.5 5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 VVVVVV M 5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 VVVVV
0.2
VP-P
24
0.2
VP-P
V21
Pin
21
voltage 1
21
4.2
4.6
5.0
V
SS Y SS C
Servise switch operation 1 22
5.1 9.0 5.0 9.0 9.0 ON ON ON ON 2 VVVVV 5.1 9.0 5.0 9.0 9.0 V V V V V ON ON ON ON 2
10
90
mVP-P
Servise switch operation 2 25A
10
90
mVP-P
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
ELECTRICAL CHARACTERISTICS
Symbol Parameter
(cont. )
Test signal Limits Test Input point signal 29 30 36 40 VCC VCC VCC S S S S S S S S S Min. Typ. Max. 10 12 19 10 12 19 22 26 27 34 35 36 18 5.1 9.0 5.0 9.0 9.0 ON ON ON ON VVVVV 5.1 9.0 5.0 9.0 9.0 V V V V V ON ON ON ON 5.1 9.0 5.0 9.0 9.0 V V V V V ON ON ON ON 5.1 9.0 5.0 9.0 9.0 ON ON ON ON VVVVV 5.1 9.0 5.0 9.0 9.0 ON ON ON ON VVVVV 2
ON
Unit
SS V R-Y -N B-Y G-Y -N B-Y R-Y-N
Service switch operation 3
8.1
9.0
V0-P
NTSC demodulated ratio 1 NTSC demodulated ratio 2 NTSC demodulated phase angle 1 NTSC demodulated phase angle 2 TINT control characteristics 1
E 23A 2.0 25A SG. L V 0dB E 24A 2.0 25A SG. L V 0dB E 23A 2.0 25A SG. S V 0dB E 24A 2.0 25A SG. S V 0dB E 23A 2.5 25A SG. M V 0dB E 6.5 23A 25A SG. M V 0dB 23A
2 ON
0.83
0.9 0.97
2 ON
0.24
0.3 0.35
2 ON
104
deg
G-Y-N
2 ON
241
deg
T min.
5.1 9.0 5.0 9.0 9.0 ON ON ON ON VVVVV 5.1 9.0 5.0 9.0 9.0 ON ON ON ON VVVVV
2 ON
+25
+45
+65
deg
T max.
TINT control characteristics 2 On-screen threshold voltage 1 On-screen threshold voltage 2 On-screen threshold voltage 3
2 ON
-65
-45
-25
deg
OSR
3.0 5.1 9.0 5.0 9.0 9.0 ON ON ON ON ON ON 2 VVVVVV 3.0 5.1 9.0 5.0 9.0 9.0 ON ON ON ON ON ON 2 VVVVVV 3.0 5.1 9.0 5.0 9.0 9.0 ON ON ON ON ON ON 2 VVVVVV
ON
7.0
7.5
V
OSG
24A
ON
7.0
7.5
V
OSB
25A
ON
7.0
7.5
V
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR V50H, V50L, AFT
V50H
ELECTRICAL CHARACTERISTICS TEST METHODS V51
Measure the voltage at output
51
V50H, V50L and AFT are shown below.
Pin f
in the no input state.
50
VO51
1. Enter SG 1 at 90dB. 2. Measure the amplitude at output
51
.
5.5V 3.5V
V50L f 57.75MHz 58.75MHz 59.25MHz
Vin min.
1. Lower the SG 3 level. Represent Vin as an input level at which it is 3dB lower than the Vo51 measured value.
Standard AFT =
(5.5-3.5) x 10 fkHz
3
(mV/kHz)
Vin max.
1. Enter SG 4 at 90dB. 2. Define the output level 51A as VA. 3. Raise the SG 4 level. Represent Vin as an input level at which the output level 51A is 3dB lower than VA. Vin max. = 20 log measured value (dB) VA
V50D1, V50D2, V50D3
Use no signal, fo-2.5MHz, fo+1MHz and defeat SW to confirm that output 50 goes to 4.4V.
V50M
1. Enter SG 1. Lower the input level from 80dB. 2. Represent V50M as an input level at which voltage of output center (4.4V).
50
is
BW
1. Enter SG 10. Adjust f2 so that a 1MHz beat component can appear at output 51 . 2. Raise the f2 frequency. Measure a frequency which is -3dB lower than the 1MHz component. BW = (frequency of -3dB) - 58.75MHz (MHz)
V52H
1. Enter SG 11. Apply 2.0V to 2. Measure voltage 52 .
6
.
V52L IM
1. Enter SG 11. Apply voltage 5 so that output 51 is as shown in the figure. 2. Calculate level difference between 920kHz and 3.58MHz at output 51 . IM = 20 log 920kHz component (dB) 3.58MHz component 1. Enter SG 10. Apply 4.0V to 2. Measure voltage 52 .
6
.
LIM
Decrease the SG 19 level. At test point 3, measure an input level when a 400Hz component goes down 3dB lower than parameter S2. AF direct signal voltage VOAF.
51
AMR
At test point 3, measure a 400Hz component and define it as Vam. Standard value VOAF (m Vrms) AMR = 20 log (dB) Vam (mVrms)
OUT 1.75V
S/N
1. Enter SG 2. Measure a rms value of output 2. Standard
51
ATT
signal. 1. Measure a 400Hz component at output 2. Standard value ATT = 20 log
4
.
S/N = 20 log Vo51 measured value (VP-P) x 10 x 0.7 (dB) measured value (m Vrms)
3
Vo4 max. (dB) measured value
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
GAF
Vo4 max. ATT = 20 log (dB) measured value
TPRO
Raise the voltage applied to 16 gradually. Represent TPRO as the voltage at which output waveform at pin 20 is as shown below.
S/N AF
1. Measure noise within the range of 20Hz to 100kHz at output 2. S/N AF = 20 log Vo4 max. measured value (dB)
4
.
GND Normal At VPRO
STH
Enter SG 17. Measure output (2A=1.1V).
4
when AV SW is set to EXT
Make sure that the voltage applied to
16
is opened and retained.
Y max. Iss
Increase the current of constant current source Iss. Measure a current value of Iss when the horizontal frequency at output 20 is pulled in from free run. Enter SG F. Measure the amplitude of output
22
.
GY
1. Enter SG G. Measure the amplitude of output 2. GY = 20 log measured value mVP-P 200mVP-P (dB)
22
.
V12 min.
Increase voltage 12 from about 3V. Measure voltage 12 applied when horizontal oscillator waveforms begin to appear at 20 (about 15kHz).
GY min., GY max.
1. Enter SG G. Measure the amplitude of output amplitude as VA or VB. 2. GY min. = 20 log VA (mVP-P) GY measured value (mVP-P) VB (mVP-P) GY measured value (mVP-P)
22
. Define the
fPHL, fPHH
1. Lower the frequency of input signal SG B to make the input waveform asynchronous to output waveform at pin 20 . 2. Raise the input frequency. Measure the frequency at the moment when the input waveform begin to synchronize with output waveform 20 . Define the frequency as lower pull-in frequency fPHL. 3. Measure upper pull-in frequency fPHH in the same manner. 4. Represent the difference from reference value of 15.734kHz.
(dB)
GY max. = 20 log
(dB)
VBRT norm, VBRT L, VBRT H
Enter SG A. Measure the level given below.
V20H, V20L, TH
V20H, V20L and TH are shown below.
V20H 2Vo-p TH V20L Output waveform at pin
20
VBRT norm, VBRT L, VBRT H
GND
GND
Gp
1. Define as VA the output signal voltage as VB the voltage at the entry of SG J. 2. GP = 20 log VA (dB). VB
22
at the entry of SG G,
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
GT norm., GT min., GT max.
1. Change the applied voltage 40 to 4.5V, 6.5V and 2.5V. Define output signal 22 measured values as VA, VB and VC, respectively. 2. GT min. = 20 log VB VC (dB), GT max. = 20 log VA VA (dB)
AVTH
1. Enter SG G into H input. 2. Apply voltage of 2.0V to 2A. Measure the amplitude of output waveform at pin 43 . 3. Apply voltage of 1.1V to 2A. If the output at pin 43 becomes DC, everything will be O.K.
GT norm. (dB) is represented by a change of VB (dB) at parameter Y9 GP measurement.
AVTV, AVEXT
Enter SG F (-6dB) into inputs H and G. Measure the amplitudes of output waveform at pin 43 when the voltage applied to 2A becomes OPEN and goes to 1.1V.
fB [Y]
Measure the SG K frequency which is 3dB lower than the VA value at parameter Y9 GP measurement.
ACC-1, ACC-2
1. Define output signal voltages 25A as VA, VB and VC, respectively, when changing the SG L input level to 0, -20 and +6dB. VB (dB) 2. ACC-1 = 20 log VA VC ACC-2 = 20 log (dB) VA
VBLK V, VBLK TV
VBLK V and VBLK TV are shown below.
TBLK TV VBLK V
GND
VBLK H
Raise the applied voltage 22A gradually. Represent VBLK voltage level 22 at which output signal 25A disappears.
H
Vik
as a Lower the SG L input level. Represent Vik as an input level when output signal 25A disappears.
YDL 1, YDL 2
Enter SG T into . Measure the delay time of output waveform at pin 22 to the entry.
F
Vok
Enter SG Q. Measure output signal voltage
25A
.
C norm.
A
50IRE 50IRE
B
50IRE 50IRE
Enter SG L. Measure output signal voltage applied to 36 is 5.1V.
25A
when the voltage
CS min., CS max.
1. Change the voltage applied to 21 to 0V and 9.0V. Define output signal voltages 25A as VA and VB, respectively. 2. CS min. = 20 log CS max. = 20 log VA (dB) C norm. measured value VB (dB) C norm. measured value
F Input Waveform
OutputWaveform at oin 22 F Input Waveform
A
B
YDL
Output Waveform at pin 22 Represent by A B (nsec)
Cu min., Cu max.
1. Change the voltage applied to 36 to 2.5V and 9.0V. Define output signal voltages 25A as VA and VB, respectively.
Black stretch threshold
1. Set SG U at 200kHz, V1=0.35V and V2=0.1V. Enter them from F. Define the range from the pedestal to the white peak as 100 IRE. 2. Lower V2 from about 75 IRE gradually. Measure an operating point which causes black expansion. 2. Cu min. = 20 log Cu max. = 20 log VA (dB) C norm. measured value VB (dB) C norm. measured value
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
1. Enter SG L. Measure output signal voltages 23A, 24A and 25A. 2. R-Y Output signal voltage 23A B-Y - N = Output signal voltage 25A Output signal voltage 24A G-Y B-Y - N = Output signal voltage 25A
fPC L, fPC H
1. Enter SG M. Lower burst and chroma frequencies (fsb=fsc) properly to set them free from pull-in. 2. Raise the frequencies gradually. Measure the input pull-in frequency. 3. Measure the upper pull-in frequency in the same manner. 4. Represent a standard value by a difference from reference value of 3.579545MHz.
R-Y-N, G-Y-N
Define the output phase of B-Y output (25A) as a reference. Measure the phase differences of R-Y output (23A) and G-Y output (24A).
fPC
fPC = fPC L +fPC H (kHz)
CLB-Y, CLR-Y, CLG-Y
1. Enter SG L of 0dB. 2. Measure a carrier leak at output pins 23 , applying voltages of 4.5V and 5.1V to 21 and
24 36
Measurement notes
and .
25
when
Note 1: For horizontal blanking pulse timing and width, adjust the variable resistor of a one-shot multi-vibrator as shown below.
CLR-Y Horizontal output at pin 20 8s Output Waveform at pin CLG-Y
23
Horizontal Blanking Pulse
12s Output Waveform at pin
24
CLB-Y
Decide 8s using the pin 15 variable resistor of TTL IC M74LS221P. Also, decide 12s using the pin 7 variable resistor.
Output Waveform at pin
25
SSY
Enter SG G into input F. Turn on S36. Measure the amplitude of output signal 22 at scanning period.
Note 2: Coil adjustment VCO coil 1. Set conditions of measurement to measurement parameter "V50D2". 2. Enter CW with Fo=58.75MHz and Vi=90dB from input pin A. Set S49 to 1. 3. Adjust the VCO coil so that the DC of AFT OUT (pin 50) becomes 1/2Vcc (4.4V).
SSC
Enter SG G into input E. Turn on S36. Measure the amplitude of output signal 25A.
Output Waveform at pin 50 4.4V
18
SSV
Measure the maximum value of output signal S36. R-Y - N, G-Y - N B-Y B-Y when turning on
58.75MHz
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
SIF coil Set conditions of measurement to measurement parameter "V04". Adjust the SIF coil so that the output waveform is maximized and the distortion is minimized.
Output waveform at pin 4 4.0V
Note 3: Video measurement note At video measurement, always set the conditions given below. 1. Enter signal SG A into input D. 2. Set switches S2B, S5, S10, S12, S13, S16, S20, S22 and S44 to ON. 3. Open other switches unless otherwise noted. Note 4: Chroma measurement note At chroma measurement, always set the conditions glven below. 1. Enter signal SG A into input D. 2. Set switches S2B, S5, S10, S12, S13, S14, S16, S20, and S44 to ON. Set S34 to 2. 3. Open other switches unless otherwise noted.
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
INPUT SIGNAL
SG No. SG 1 SG 2 SG 3 SG 4 SG 5 SG 6 SG 7 SG 8 SG 9 SG 10 Signals (50termination) f0=58.75MHz, 90dB, fm=20kHz, AM77.8% f0=58.75MHz, 80dB, CW f0=58.75MHz, CW, Level variable f0=58.75MHz, fm=20kHz, AM16%, Level variable f0=58.75MHz 5MHz, 80dB, Sweep signal f0=57.75MHz, 80dB, CW f0=59.2MHz, 80dB, CW f0=54.25MHz, 110dB, CW f0=54.25MHz, 70dB, CW f1=58.75MHz, 90dB, CW f2=53 5MHz, 70dB, CW f1=58.75MHz, 90dB, CW f2=55.17MHz, 80dB, CW f3=54.25MHz, 80dB, CW f0=58.75MHz, 110dB, CW f0=58.75MHz, 60dB, CW
f0=58.75MHz-2.5MHz, f0=58.75MHz+1MHz, 80B, CW
SG No. SG F SG G SG H SG J SG K
Signals (50 termination)
f=200kHz, 2VP-P, CW
f=200kHz, 200mVP-P, CW f=200kHz, 50mVP-P, CW f=3.58kHz, 200mVP-P, CW f=2MHz to 10MHz Variable, 200mVP-P, CW
63.5s
63.5s ec eb
Mixed signal
SG 11 SG 12 SG 13 SG 14 SG 16 SG 17 SG 19 SG 20 SG 21 SG 23 SG 24 SG 25 SG 26 SG 27 SG 28
Mixed signal SG L
9s
14.5s
63.5s
f0=58.75MHz, 90dB, CW Mixed signal f0=54.25MHz, 70dB, CW f0=4.5MHz, 83dB, fm=400Hz, FM25kHz dev.
f0=4.5MHz, 83dB, fm=400Hz, FM25kHz Level variable
f0=4.5MHz, 83dB, fm=400Hz, AM30% f0=4.5MHz, 83dB, CW f0=400Hz, 1VP-P, CW f0=58.75MHz, 90dB, CW f0=58.75MHz, 84dB, CW f0=1kHz, 20mVP-P, CW f0=58.75MHz, 80dB, CW f0=58.75MHz, 45dB, CW
Sync separation input should be an APL 100% standard video signal of NTSC system as shown right. Should be vertically interlaced at 60Hz. 63.5s 5s 0.714 VP-P 1VP-P 0.286 VP-P
fSB: Frequency of burst signal fSC: Frequency of chroma signal fSB=fSC=3.579545MHZ 0dB:eb=100mVP-P ec=200mVP-P For SGL NTSC simple chroma signals, burst signal and chroma signal should be in the same phase and their frequencies should be variable. f=3.5MHz, CW Level variable For SG L NTSC simple chroma signals, burst signal eb should be 0mVP-P and chroma signal amplitude ec should be 200mVP-P. f=4.58MHz, CW 0.2VP-P f=3.68MHz, CW Level variable DUTY 50%
SG M SG N SG Q SG R SG P
SG A
2s
7s
SG S
0.5VP-P
SG B
Horizontal sync signal.duty 92% Input level and sync should be variable. f=2kHz, 100mVP-P, CW
1VP-P 63.5s normal
63.5s 63.5s
SG C
0.357VP-P Pedestal
SG A vertical sync signal width should be variable. START position is the same.
START
SG T
5s 2s Change width 1VP-P 7s
0.143VP-P
SG D
Should be APL variable video signals of NTSC system. Should be vertically interlaced at 60Hz. f=200kHz, CW V1,V2 variable
SG E
Vertical sync signal. duty 92% Input level and sync should be variable.
V1 V2 63.5s
16.6ms normal
1VP-P
SG U
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
TEST CIRCUIT
28 I S28 50
27
26
25A
24A
2 34 27 26
25
S27
1
+B
SD S26
23A
+5.0V S22 33
330p 330 330
330p 330
330p S14 0.01 470 1k 24
+12V 16 15 14 13 12 11 10 9 1234567
28
0.01 29 10k 30 S31
25
1k 29 24
1k
BUS 1.8k CONTROLLER
31
30
23
23
0.01
1k 0.01 180 10k 22
M74LS221P
8
22A
NON-POLAR 1 351T01 Xtal
2200p VR20k
31
22
32
33k
1 33k
21
21
8200p
33
20
20 1k VP20k 5.1k 18
510k S35 36
51k 2
6.8k
34
19
10 1 S34
0.01
10k 4.7k
0.01
35
18
47 0.022
S20 A19 S19A
1k 19 A12
36
17
0.22 S36 10k
0.01 38 50 E S39 39
1.5k 0.1 0.01
S16
680k 16 17 1 6.8k S19
37
16
M52335SP
CBS503 F18 10k 13 S13A
38
40
75 75
10 41 10
40
13
S39A 10k
0.01
39
14
15
12
F
0.01
S13 0.01 47
47 S12A S12
5V
390 43 1
39k
39k S44A
42
11
G
0.47 220 10 0.01 9
A10
43
S10A S10 50 0.01 A
44
150 H 150k 75
S44 45 8
10
48
48
10k
120p
5
680p 10 S49 1 2 S48 VCO Coil
46
0.01 6
47
6
7
0.22 3.3k 4
0.01
S5 S5A 2.2k 5
0.01 270k 270k
48A
49
50
50
3
51
2
S51 0.1 51 220 910 S48 0.01 50 D C 50 1k 470 39k 10
100k 18k
3900p 0.01 2A Units Resistance : Capacitance :F S2 10k
52
1
10 8MHz LPF 1 52 S52 B 1 50
4.5MCoil S2A 2
51A
3
4
10
12
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
TYPICAL CHARACTERISTICS
THERMAL DERATING (MAXIMUM RATING) 1.5 1.35 POWER DISSIPATION Pd (W)
1.0
0.5
0 0 25 50 65 75 100 125 150 AMBIENT TEMPERATURE Ta (C)
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
APPLICATION EXAMPLE
G-Y OUT R-Y B-Y OUT OUT
FBP OUT 470
-Y OUT
220p 330 330 220p 220p 1k 1k 1k 1.5k 31
APC FILTER -Y OUT COLOR CONT H OUT
270 1.8k 16 15 14 13 12 11 10 9 12345678
27
28
0.01 50k 33k 0.01 33k 10k
OSD R
B-Y OUT
25
330
OSD G
OSD B
26
2200p 20k
29
TINT CONT
G-Y OUT
24
8200p
30
FAST BLK IN
R-Y OUT
1 22 M351T01 32
CHROMA OSC
23
180 10k 1k
50k 20k 470
0.01 21 20
1 10 510k 51k 10k 3.9M 50k 270 EXT VIDEO IN 75 5V 39k 10 39k 47p 50k 330 1.5k 1.5k 1.5k 3.58MHz TRAP Bp 1 8.2 220k 150 10 0.01 SERVICE SW 10k 0.22 0.22
33
ACC FILTER
H OUT 1k
34
BLACK HOLD
VCC (9V)
50k
35
KILLER FILTER
V OUT
18
19
V OUT 0.022
680k COINCIDENCE OUT
0.01
CONTRAST COINCIDENCONT CE OUT GND X-RAY PROTECT
36
17
X-RAY PROTECT 1000p 50k 500kHz F18 0.01 47 10k 1 6.8k
37
CHROMA IN 32fH OSC BRIGHT CONT PEDESTAL CLAMP FBP AFC IN
510 41
Y IN VCC (9V)
40
12
13
10k
0.01
39
6.8 270p
0.01
38
VIDEO TONE AFC FILTER CONT
14
15
16
9V 0.01 220 0.47 47 5V 0.01
EXT VIDEO APC FILTER IN Y SW OUT VCC (5V)
42
44
43
SYNC IN VIF IN
9 1:1 COIL
10
11
45
8
1500p 820
10
TV IN
75 IF IN 0.01 50k 0.01
46
GND (IF) VIDEO VCO COIL RF AGC DELAY ADJ. IF AGC FILTER AF OUT
4.5M TRAP 47p 50k 0.01 270k 4.7 10k
7
270
4.5M SFE
VIDEO MUTE
RF AGC CONT.
47
48
5
SIF IN
6
0.22 4.7k AUDIO OUT AV SW
49
AFT DEFEAT
ON 3
AFT OUT SOUND DET OUT
4
3900p 50
51
1
RF AGC OUT EXT AUDIO IN
52
2
270k
0.1
VIDEO OUT SOUND DET COIL
10k
0.01 4.7k 3.9k 10
0.01
9V
1 EXT AUDIO IN
Units
Resistance : Capacitance :F
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN
Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function The input impedance is 18k. Add a bias to outside as shown right for use.
9V
2.4k
1
EXT AUDIO IN
4.7k
18k
2.4k
3.25V
3.9k 2k 4.5V
10k 25k 30p 10k 20p 25k
2
10k 5p 3V
The FM detector is a quadrature detector and externally connects a tank coil or discriminator. This is also used as an AV switching pin to apply voltage through a 10k. GND to EXT (Y-DL) OPEN to TV (Y-DL) Vcc (5V) to TV (S input)
SOUND DET COIL
2.5V
5V TV (Without Y-DL) TV (With Y-DL) EXT (With Y-DL)
0.01F
10k
2.4k
Sound direct output pin. For de-emphasis,connect a capacitor between this pin and GND.
3
SOUND DET OUT
18k
2.4k
3.75V (Varying with coil position)
2k 4.5V
Sound output pin through ATT.
23k
4
AF OUT
4.2V
9k 5.0V
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Dynamic AGC circuit is used to improve AGC response characteristics. Set a filter constant to avoid a sag around 70dB.
5
IF AGC FILTER
4.4 to 1.5V
1k 7.5k
IF AGC Voltage 4.4V
50dB 70dB 100dB IF Input
RFAGC delay point is set by the voltage applied to this pin.
1k
6
RF AGC DELAY ADJ.
2k
7
GND-1 (VIF SIF) Input resistance is 1k. Input capacitance is 7pF.
8 9
1.2k
VIF IN
1.5V
1.2k 80 320 320 1.5V
10
VCC-1 (VIF SIF)
5V
11 Pin Output
fc frequency
11
APC FILTER
3V
14k R 3V 60p
3.4k 3.4k
The f characteristic of a loop in the locked state can be set by R. Normally, set fc in the range of 100 to 150kHz.
V11 fo
IF frequency
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No.
12
Name H. VCC
Voltage and wave information
Peripheral circuit of pins
Description of function
Power supply p in for h orizontal and vertical systems. Itscurrent is about 34mA.
24k
13
AFC FILTER
6.25V
3k R 6.25V
Horizontal AFC filter pin. Action against VCR skews can be taken by increasing an external resistor R to provide a faster response speed. However, horizontal jitters in a weak electric field will increase.
100
14
AFC FBP IN
4V
Flyback pulse is sliced on 4V to generate an AFC2 detector pulse. Remember that any peak around 4V may cause jitters. The screen moves rightward by integrating and entering the flyback pulse.
FBP
1.35k
CSB500F18 is used.
300 300
15
300 300
32fH OSC
3.8V
CSB 500F18 2k
1.2k
2k
1.2k
Applying voltage of 0.7V or more operates the Xray protector. Connect to GND if not using the pin.
16
X-RAY PROTECT
2k 2k
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Voltage goes up if a sync signal is entered and horizontal AFC is locked; otherwise, the voltage goes down. Therefore, the pin can be also used as a MUTE detector. At that time, pay attention to high impedance.
COINCIDENCE
17
OUT
8V (Synchronous) to 0V (Asynchronous)
1k
Pulse as shown below is output.
60k
V 8.2V
18
V.OUT
0V 30k 10H
19
VCC-2 (VCJ)
9V
Power supply for VC, AFT, RF AGC and SIF DET. Horizontal pulse of 24s wide is output. It is open emitter output.
200
2k
20
H. OUT
200 33k
3.8V
0V
Color control pin. Its voltage goes to 0V when service SW is ON.
5.6k
21
640 10k 4.5V
COLOR CONT.
200
4.5V
Service SW
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Descripition of function Video output pin. When a flyback pulse is entered for blanking from outside, a blanking pulse is entered internally and a chroma symbol is also blanked. The blanking threshold voltage is 7.1V.
2k
10k
600
200
30k 10k
22
-Y OUT
1k
Open emitter output with maximum current of about 5mA.
60
23 24 25
R-Y OUT G-Y OUT B-Y OUT
5.4V
Input impedance is 50k. Apply voltage of 2.5V or more when inserting a character signal.
26 27 28
OSD B OSD G OSD R
Vth 2.5V
300
50k
Tint control pin.
12k
29
TINT CONT.
4.5V
2k 4.5V
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Applying voltage of 2.5V or more causes blanking.
30
FAST BLK IN
Vth 2.5V 0V
300
50k
Cap challenge is changed by R. As R is decreased, the cap challenge becomes narrower but phase jitters are reduced.
4k
31
APC FILTER
6.5V
R
666
666
Use XTAL of series capacitance type.
300 1k
32
300 3p 1k
CHROMA OSC
6.8V
1k
Such as M351T01
VCC R
3k 2k 22k
As R is decreased, chroma output increases but ACC is not activated smoothly.
33
ACC FILTER
1.6k
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Descripition of function Pin holding the most dark part of a video signal. As R is increased, the black peak is held; contrarily, the peak gets closer to an average.
1.5k 1.5k
R
34
BLACK HOLD
About 3.2V
1.15k
375
2k
4.7k
To decrease killer sensitivity, connect a several M of resistor between the pin and GND.
35
KILLER FILTER
7.6V at signal input
R
1.7k
3.2k
Can be controlled by 5.1V center.
40k 5k 200
36
CONTRAST CONT.
Normally 4.8V Applied from outside
20k
37
GND-2 (VCD) Chroma signal standard. Make an entry at 200mVP-P. This pin is also used as a brightness control pin. DC reproduction ratio is 100%.
100
30p 20k
670
CHROMA IN/
38
BRIGHTNESS
4.5V
20k
33p
40k 4.5V
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Used to connect a hold capacitor.
3.9k
1k
39
PEDESTAL CLAMP
About 2.2V
1.07k
1.4k
1.2k
1.5k 15k 10k
Sharpness control pin.By increasing voltage, the pin is set to soft side.
40
VIDEO TONE CONT.
4.5V
6.2k
4.5V
Make an entry at low input impedance to avoid pedestal clamp. Standard coupling capacitor is 0.1F. Make an entry at 0.5VP-P.
41
Y IN
3.3V
5V
Make an entry at 1VP-P.
5k
39k
42
EXT VIDEO IN
39k
150
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Output at 1.5VP-P.
43
Y SW OUT
2.5V
1.125k
Sync separation of emitter input type. Vertical sync separation is done inside the IC.
1k
44
SYNC IN
6.6V
7.35V
Make an entry at 1VP-P.
150
45
TV IN
2.5V
20k 2.5V
850
850
46 47
Reference tuning capacitance is 27pF. As the capacitance is decrease, the variable range becomes wider but stability becomes worse.
VCO COIL
4V
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Volume control pin.
20p 15k
48
SIF IN/ATT
4.5V
10k 10k 2.4k 29.3p 4.5V
Applying voltage of 2.5V or more defeats AFT.
49
AFT DEFEAT
10k
23.3k
R
50
1k
Current output type. As load resistor R is increased, detector sensitivity becomes higher but offlot becomes larger.
AFT OUT
8.2 to 0.5V
R
Output at 1.4VP-P. 1.75V is applied to sink tip.
7.5k
12.5k
51
VIDEO OUT
32.5k
2.7k
250
MITSUBISHI ICs (TV)
M52335SP
NTSC SYSTEM SINGLE-CHIP COLOR TV SIGNAL PROCESSOR
DESCRIPTION OF PIN (cont.)
Pin No. Name Voltage and wave information Peripheral circuit of pins Description of function Current output type. Max. 0.4mA.
0.4mA
50
52
RF AGC OUT
0.4mA

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