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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
SINGLE CHIP ANALOG SOUND PROCESSOR
FEATURES
* Capable of controlling functions with serial data 6-input selector 5band tone control (0, 3, 6, 10dB) Bass boost (loudness type) [ON/OFF] Surround (using external delay) [ON/OFF] Voice cancel (stereo) [ON/OFF] Multilingual record switching [L only/R only] Electric volume 32steps ( 0dB ~ ) SW mode for control of DPL and other sound fields 3 lines for Rec output,2 lines for port output * Supporting digital delay * Input/output of adapter supporting karaoke control
PACKAGE
Outline 80P6N
Pitch : 0.8 mm Size : 20.0 mm X 14.0mm X 2.8mm
APPLICATION
Home Audio equipment,Radio-Cassette tape recorder,TV
RECOMMENDED OPERATING CONDITIONS
Supply voltage range * * * * 4.5 ~ 7.3V Rated supply voltage * * * * 7 V RECOUT 2 (3-Outputs)
SYSTEM BLOCK DIAGRAM
KEY1
KEY2
IN A IN B IN C IN D IN E IN F PORTA PORTB
6-Input selector
SW FOR: Multilingual switching Vocal cancel Surround DPL and other modes
Bass boost
OUT2 OUT1
Tone
Electric volume
-com Interface
LATCH
DATA
CLK
RECOUT1 (3-Outputs)
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IC Internal Block Diagram BB2
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER BUFOUT1
BUFOUT2
BUFNF2
BUFNF1
BUFIN2
CLOCK
BUFIN1 26
10 0K
PORTB
LATCH
AVDD
PORTA
DGND
DVDD
DATA
40 44 43 42 41 VOLOUT2 VOLIN2 FOUT2 F5F2 F4IN2 F4O2 F4F2 F3IN2 F3O2 F3F2 F2IN2 F2O2 F2F2 F1IN2 F1O2 F1F2 FIN2 REC2B REC2A REC2C MIC IN KEYOUT2 KEYIN2 BPFOUT
39
10 0K
38
37 36
35
34
33
-COM interface Logic
32
31
30
29
28
27
25 20 21 22 23 24 10 11 12 13 14 15 16 17 18 19 9 8 7 6
B
BB1 VOLOUT1 VOLIN1 FOUT11 F5F1 F4IN1 F4O1 F4F1 F3IN1 F3O1 F3F1 F2IN1 F2O1 F2F1 F1IN1 F1O1 F1F1 FIN1 REC1B REC1A REC1C KEYOUT1 KEYIN1 P/S C DELAY OUT 5-Element Graphic Equalizer
5K
SW20
52 51 50 49 48 47 46
G=2.4i{
5-Element Graphic Equalizer
SW13
SW10-1
B
SW14
A
G=2.4i{
45
SW10-2
SW18
B
A
A
A
B
B
58 57 56 55 54 53
SW12-2
SW11-2
B A
A SW17
SW19 A
20K B 20K SW7
SW16
20K
SW11-1
A
B
A B 100K 100K
SW12-1
100K
61 60 59
SW4 SW6
B SW8
SW9
SW3 SW5
100K
A 20K
20K
SW15
A
A
B
100K B
SW21
8.5K 8.5K
5K
64 63 62
A
100K
A
100K SW22
20K
SW2
SW1
20K
E
D
C
B
F
A
A
C
E
D
F
B
65 BPFIN
66 IN2F
67 IN2E
68 IN2D
69 IN2C
70 IN2B
71 IN2A
72 AVSS
73 AGND
74 IN1A
75 IN1B
76 IN1C
77 IN1D
78 IN1E
79 IN1F
80 DELAYIN ( 2/
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1
2
3
4
5
B
B B
A
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
Pin Description
Pin No. Symbol Function Negative power supply to internal analog circuit GND of internal analog circuit Input pin at the side of channel1 Input pin at the side of channel2 (R-L) output pin for surround. Connected to the input of delay circuit. Total load resistance is 20k (R-L) input pin for surround. Connected to the output of delay circuit. Phase shift filter pin for surround Key control adapter output pin. Connected to the input of key control circuit etc. Total load resistance is 20k Key control adapter input pin. Connected to the outputof key control circuit Band-pass filter amplifier output pin for voice cancel Band-pass filter amplifier input pin for voice cancel Rec output pin A Rec output pin B (with mute SW) Rec output pin C (with mute SW) Tone input pin (Surround adapter OUT) Pin for connecting resonance impedance (band filter) of the 1st element Output pin of resonance buffer amplifier of the 1st element Input pin of resonance buffer amplifier of the 1st element Pin for connecting resonance impedance (band filter) of the 2nd element Output of resonance buffer amplifier of the 2nd element total load resistance ; min. 20K
72 73 74,75,76 77,78,79 71,70,69 68,67,66 80 1 2 3,63 4,62 64 65 5,60 6,59 7,58 8,57 9,46 10,45 11,54 12,53 13,52
AVSS AGND
IN1A,IN1B,IN1C IN1D,IN1E,IN1F IN2A,IN2B,IN2C IN2D,IN2E,IN2F
DELAYIN DELAYOUT P/S C KEYIN1 KEYIN2 KEYOUT1 KEYOUT2 BPFOUT BPFIN REC1A REC2A REC1B REC2B REC1C REC2C FIN1 FIN2 F1F1 F1F2 F1O1 F1O2 F1IN1 F1IN2 F2F1 F2F2 F2O1 F2O2
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
Pin No.
Symbol
Function Input pin of resonance buffer amplifier of the 2nd element Pin for connecting resonance impedance (band filter) of the 3rd element Output pin of resonance buffer amplifier of the 3rd element Input pin of resonance buffer amplifier of the 3rd element Pin for connecting resonance impedance (band filter) of the 4th element Output pin of resonance buffer amplifier of the 4th element Input pin of resonance buffer amplifier of the 4th element Pin for connecting band filter of the 5th element Tone output pin. Capacitor is combined for connection with the next stage. R-ladder volume input pin R-ladder volume output pin Bass boost capacitance connection pin. Sets frequency characteristics. +input pin of bass boost output amplifier -input pin of bass boost output amplifier Output pin of bass boost output amplifier Output of port A Output of port B Power supply to internal logic circuit Clock input pin for serial data transfer Input pin of control data. Reads data at the rising edge of clock.
14,51 15,50 16,49 17,48 18,47 19,46 20,45 21,44 22,43 23,42 24,41 25,40 26,39 27,38 28,37 29 30 31 32 33
F2IN1 F2IN2 F3F1 F3F2 F3O1 F3O2 F3IN1 F3IN2 F4F1 F4F2 F4O1 F4O2 F4IN1 F4IN2 F5F1 F5F2 FOUT1 FOUT2 VOLIN1 VOLIN2 VOLOUT1 VOLOUT2 BB11 BB12 BUFIN1 BUFIN2 BUFNF1 BUFNF2 BUFOUT1 BUFOUT2 PORTA PORTB DVDD CLOCK DATA
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
Pin No.
Symbol
Function Input pin of latch signal. The circuit status changes at the rising edge of latch signal. GND pin of internal logic circuits Positive power supply pin of internal analog circuits Microphone input pin
34 35 36 61
LATCH DGND AVDD MIC IN
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
ABSOLUTE MAXIMUM RATINGS
Symbol
AVDD,AVSS
Parameter Analog Power supply Digital Power supply Power dissipation Thermal derating Operating temperature Storage temperature
Conditions
Ratings 7.5 6.0
Unit V V mW mW/C C C
DVDD Pd K
Ta 25C Ta > 25C
Attached PC Board*
1370 13.7 -20 ~ +75 -55 ~ +125
Topr
Tstg
Thermal derating (Maximum ratings)
1.5
*Note : PC Board
1.37W 1.0
Power dissipation
685mW 0.5
PC Board Size 140 mm X140 mm PC Board Thickness 1.6 mm PC Board Material Epoxy Copper Film Thickness 18 m Copper Foil Size 0.25 mm X 50 mm
pd
[W] 0
0
25
50
75
100
125
150
Ambient Temperature Ta [C ]
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
RECOMMENDED OPERATING CONDITIONS
( Ta=25C, unless otherwise noted ) Parameter
Analog (+) power supply
Symbol Conditions
Note 1
MIN 4.5 -4.5 4.5
TYP
MAX 7.3 -7.3 5.5
Unit
AVDD AVSS DVDD
7.0 -7.0 5.0
V V V
Analog (-) power supply
Note 1
DVDDAVDD
Digital power supply
Logic " H " Level input voltage Logic " L " Level input voltage
VIH
DVDD-0.7
VDD
V
VIL
0
DGND+0.7
V
Note 1: The sequence of the power supply is as follows. AVDD AVSS DVDD
TIMING DIAGRAM
Latch Signal
H DATA
D0
L H
D1
D6
D7
D0
CLOCK L H LATECH L DATA reading mode; The rising edge of the CLOCK signal LATCH reading mode; The rising edge of the LATCH signal
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
CLOCK DATA TIMING
t
cr
CLOCK
75% 25%
tr t
WHC
t t
75%
f
WLC
DATA
25%
t
r
t t
SD
f
t
HD
t t
SL
t
r
WHC
t
75% 25%
f
LATCH
DIGITAL CIRCUIT AC CHARACTERISTICS
Symbol t cr t WHC t WLC tr tf t SD t HD t SL t WHL Parameter
CLOCK cycle time CLOCK pulse width ( " H " level ) CLOCK pulse width ( " L " level ) C L O C K , DATA , LATCH r i s e t i m e C L O C K , DATA , LATCH f a l l t i m e DATA s e t u p t i m e DATA h o l d t i m e LATCH s e t u p t i m e LATCH p u l s e w i d t h 0.8 0.8 1 1.6
Min
4 1.6 1.6
Limits typ Max
Unit
0.4 0.4
sec
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DATA FORMAT
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
4 patterns input formats can be selected by setting D6 and D7.
( When the IC is powered up, the internal settings are not fixed. )
(1)
DO1
Rec out A S W 3,4 1 : Mute 0 : Pass
D11
D21
D31
D41
D51
S W 10-1 S W 10-2 1 : ON 0 : OFF
D6
D7
Rec out B For the multiplex softwere SW9 S W 5,6 SW7 SW8 1 : Mute 1 : A side 1 : A side 1 : A side 0 : Pass 0 : B side 0 : B side 0 : B side
0
D6
0
D7
(2)
DO2
S W 11-1,2 S W 12-1,2
D12
S W 13
D22
S W 21,22
D32
S W 14
D42
D52
1 : A side 0 : B side
S W 17,18 S W 15,16
1:Aside/ON 1 : A side 1 : A side 1 : A side 1 : A side 0:Bside/OFF 0 : B side 0 : B side 0 : B side 0 : B side
0
D6
1
D7
(3)
DO3
D13
D23
D33
D43
D53
For Tone control (element) Refer to the Tone Control 1 Code
For Tone control (gain) Refer to the Tone Control 2 Code
Bass Boost SW15,16 A / B
1
D6-1
0
D7-1
(4-1)
DO4-1
D14-1
D24-1
D34-1
D44-1
D54-1
For Master Volume Refer to the Master Volume Code
0
D44-2 D54-2
1
D6-2
1
D7-2
(4-2)
DO4-2
D14-2
D24-2
D34-2
For Input selector Refer to the Input selector Code
1
1
1
( 5 ) Tone control 1 code (element)
Tone 1 (F1) Tone 2 (F2) Tone 3 (F3) Tone 4 (F4) Tone 5 (F5) Bass ON Boost OFF D - 62433Q - 78A
D03 0 0 0 1 1 1 1
D13 0 1 1 0 0 1 1
D23 1 0 1 0 1 0 1
( 6 ) Tone control 2 code (gain) D33 D43 D53 +0 dB 0 0 0 +3 dB 1 0 0 +6 dB 0 1 0 +9 dB 0 1 1 -0 dB 1 0 0 -3 dB 1 0 1 -6 dB 1 0 1 1 1 -9 dB 1 Cut Boost
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( 7 )Master volume code ATT -- 0.0dB -- 2.0dB -- 4.0dB -- 6.0dB -- 8.0dB --10.0dB --12.0dB --14.0dB --16.0dB --18.0dB --20.0dB --22.0dB --24.0dB --26.0dB --28.0dB --30.0dB --32.0dB --34.0dB --36.0dB --38.0dB --40.0dB --44.0dB --48.0dB --52.0dB --56.0dB --60.0dB --64.0dB --68.0dB --72.0dB --76.0dB --80.0dB --
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER ( 8 ) Port output code
D04 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
D14 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
D24 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
D34 D44 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
DATA D 32-2 D 44-2 0 1 0 1
Port output Port A : L Port A : H Port B : L Port B : H
( 9 ) Multilingual record code
Normal Lch only Rch only
R/L Exchange
D21 0 0 1 1
D31 0 1 0 1
( 10 ) Input selector code Selector A B C D E F All off D14-2 D14-2 D24-3 0 0 0 0 0 1 0 0 1 1 0 1 1 0 0 1 1 0 1 1 1
( 11 ) The others code
For voice cancel D41=1 D02=1 D12=0 D32=0 SW9 : A side SW11,12-1 : ON SW11,12-2 : A side SW13 : B side SW14 : B side
MODE NORMAL STEREO STEREO + MIC MIX MODE Source
+ Key control
SW21,22
SW17,18
SW10-1 SW10-2
SW15,16
B side B side A side A side B side
B side A side A side A side B side
B side B side B side A side A side
B side B side B side B side A side
(
)
KEY CONTROL MODE
For Surround
D41=0 D02=1 D12=1 D32=1
D - 62433Q - 78A
SW9 : B side SW11,12-1 : ON SW11,12-2 : A side SW13 : A side SW14 : A side
DPL MODE
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
ELECTRICAL CHARACTERISTICS
( Ta=25C,AVDD=7.0V,AVSS=-7.0V,DVDD=5.0V ,f=1kHz Tone control & Bass Boost setting :0dB , unless otherwise noted )
( 1 ) Power supply
Parameter
Circuit current (Analog +)
Symbol
AIdd
Conditions
AVDD=7.0V, AVSS= -7.0V ISINK of 36pin No signal input AVDD=7.0V, AVSS= -7.0V ISOURCE of 72pin No signal input DVDD= 5V ISINK of 31pin No signal input
Limits Min typ Max 48
Unit
40
mA
Circuit current (Analog -)
AIss
-48
-40
mA
Circuit current (Digital )
DIdd
0.5
1.0
mA
( 2 ) Input/Output
Parameter
Input impedance Maximum input voltage
Symbol
Rin VIM
Conditions
66 ~ 71pin,74 ~ 79Pin,Ta=25C
(66 ~ 71pin input),(74 ~ 79pin input) 28,37pin output
Min 20 3.0 -0.1 -0.1
Limits typ Max 47 4.0 0 0 0.1 0.1 100
Unit
K Vrms V V dB
RL =4.7K , THD=1% Vodc Output terminal voltage Vrecdc I/O voltage gain Gv 5pin,60pin, No input signal 28pin,37pin,No input signal
Vin=1Vrms,FLAT,(66 ~ 71Pin), (74 ~ 79Pin)-28,37Pin 10.0
12.0 14.0
Vono Output noise voltage Vrecno THD Distortion THDrecB,C CT Channel separation CTrec
28,37pin JIS-A filter ATT0 No ininput signal ATTM Rg=10K FLAT 6,59pin 7,58pin
28pin,37pin, BW=400 ~ 30kHz
55.0 70.0 Vrms 5.0 20.0 0.01 15 30 0.05 Vrms Vrms % % dB dB
Vi= -20dBv , RL=4.7K
(6,59pin),(7,58pin),BW400 ~ 30kHz
Vi=-20dBv , RL=20K
Vo=0.5Vrms , RL=4.7K,JIS-A 28pin--37pin Rg=0K, 61pin GND Vo=0.5Vrms , RL=20K,JIS-A 6pin--59pin Rg=0K, 61pin GND
0.01 0.05 -75 -75 -55 -55
D - 62433Q - 78A
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
( 3 ) Tone Control
Parameter Symbol
Gboost1 Gboost2 Voltage gain (Tone control) Gboost3 Gcut1 Gcut2 Gcut3 Balance between channels BALton 3dB 6dB f=1KHz,Vo=1Vrms 10dB -3dB -6dB -10dB Input ;8pin,57pin Output ;22pin,43pin 8.0 -4.5 -7.5 10 -3 -6 12.0 -1.5 -4.5 -8.0 +1.5 dB dB dB dB dB
Conditions
Min 1.5 4.5
Limits typ Max 3 6 4.5 7.5
Unit
dB dB
-12.0 -10 0
f=1KHz,Vo=1Vrms, Input;8,57Pin Output;22,43Pin -1.5 +10dB and -10dB
( 4 ) Bass Boost
Parameter
Voltage gain (Bass boost)
Symbol
Gboost
Conditions
f=70Hz,Vo=0.5Vrms Input ; 23,42pin Output ; 27,38pin
Min -10
Limits typ Max -6 -2
Unit
dB
Balance between channels
f=70Hz ,Vo=0.5Vrms BALton Input ; 23,42Pin -2.0 Output ; 27,38pin, Bass boost ON
0
+2.0
dB
( 5 ) PORT OUTPUT
Parameter
Minimum "H" voltage VpHB RL=1.8k IpLA Maximum "L" leak current IpLA Maximum drive current IpD -3 0 0.7 3 3 uA mA
Symbol
VpHA
Conditions
Min 5.4
Limits typ Max 6.0
Unit
V
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
Master volume circuit
-- 0dB 3477 -- 2dB 2758 -- 4dB 2192 -- 6dB 1739 -- 8dB 1383 --1 0 d B 1097 --1 2 d B 3016 5968 2396 --1 6 d B 1903 --1 8 d B 1512 --2 0 d B 1200 --2 2 d B 954 --2 4 d B 758 --2 6 d B 11723 3084 9312 --3 0 d B 7533 --3 2 d B --2 8 d B --1 4 d B
+ -
Master volume code
ATT
-- 0.0dB -- 2.0dB -- 4.0dB -- 6.0dB -- 8.0dB --1 0 . 0 d B --1 2 . 0 d B --1 4 . 0 d B --1 6 . 0 d B --1 8 . 0 d B --2 0 . 0 d B --2 2 . 0 d B --2 4 . 0 d B --2 6 . 0 d B --2 8 . 0 d B --3 0 . 0 d B --3 2 . 0 d B --3 4 . 0 d B --3 6 . 0 d B --3 8 . 0 d B --4 0 . 0 d B --4 4 . 0 d B --4 8 . 0 d B --5 2 . 0 d B --5 6 . 0 d B --6 0 . 0 d B --6 4 . 0 d B --6 8 . 0 d B --7 2 . 0 d B --7 6 . 0 d B --8 0 . 0 d B --
D04 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
D14 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
D24 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
D34 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
D44 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
CL
5740 --3 4 d B 4667 --3 6 d B 3707 --3 8 d B 2945 --4 0 d B 4197 --4 4 d B 2648 --4 8 d B 1671 --5 2 d B 1054 --5 6 d B 665.5 --6 0 d B 1357
1605 857.8
--6 4 d B --6 8 d B 540.5 --7 2 d B 342 --7 6 d B 214.2 --8 0 d B 262.5 --
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
Function description
( 1 ) Voice cancel block equivalent circuit
(L+C) (h+m+l) L(h+m/2 +1) + C ( h + 1 ) --R m / 2
--
(R+L+2C)
(h+m+l)
+
BPF/ -6dBATT
(R+L+2C)
m/2
--
(R+C) (h+m+l) R(h+m/2 +1) + C ( h + 1 ) --L m / 2
( 2 ) Surround block equivalent circuit
L+C --
2L--R+C
R--L
--
Pass or Delay
R+C
+
2R--L+C
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
( 3 ) Tone control equivalent circuit
R3 FBASS Center frequency C1 OUT BASS R1 Q= ( C2 * R2 ) / C1 ( C1+R1 ) f0 = 1 / 2 C1 * C2 * R1 * R2 [Hz]
C2 INBASS
Example; Bass band ( f=150Hz ) R1=1.5K, R2=56K C1=1.5 , C2=0.01
R2
F1 R1
Fig.1 The equivalent circuit of tone controller 1.0k 300k
F2
1.0k 300k
F3
1.0k 300k
F4
1.0k 150k
F5
R2
C1 Fig.2 is equivalent to Fig.1 To convert component constants, the equation below is used.
L
L=C2 * R1 * R2 R1
Fig.12 The equivalent circuit using L MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
( 4 ) Bass boost equivalent circuit
12.6K 5.97K 11.7K RL= 3.08K ZL 1.6K CL
55.8K 57K 3.57K
Bass Boost loudness equivalent circuit (Center tup type)
1 Regard "RL+ /CL " as "ZL" Next formula show the frequency characteristic.
G v = 2 0 Log
[ 11.7K+ZL//57K [11.7K+57K
57K
ZL//57K
5 . 9 7 K / / [ 1 1 .7 K + Z L / / 5 7 K ] 12.6K+5.97K//[11.7K+ZL//57K]
]
When a frequency is enough low ,
G v = 2 0 Log 5.97K//[11.7K+57K] 12.6K+5.97K//[11.7K+57K]
] = --1 1 . 9 d B
When a frequency is enough high ,
G v = 2 0 Log
[11.7K+3.08K//57K
-12dB Gain
3.08K//57K
] = --2 6 d 12.6K+5.97K//[11.7K+3.08K//57K] B
/0=16.8K * CL
f=100Hz CL=0.1 F
5.97K//[11.7K+3.08K//57K]
-26dB
VOL-26 dB 100Hz frequency MITSUBISHI ELECTRIC ( 16 / 21 )
D - 62433Q - 78A
; T metri ice Not e para som
I M o fina s R E Lis is nc tlia its are m P h
Y ca n. e. A Rspecifiecttitoo chang IN l
ubj
MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
( 3 ) Band-Pass filter block equivalent circuit
C1 20K
10K
0dB --3dB
20K
C2
fL
fH
( The equation for band-pass filter ) f H [ cut-off frequency ]
High frequency's side
1 2C1*10K 1 2C2*10K
f L [ cut-off frequency ]
Low frequency's side
D - 62433Q - 78A
MITSUBISHI ELECTRIC
( 17 /
21 )
The block diagram along the signal flow (No.1)
SELECT OUT 2
100K
sw2 20K 0 dB 20K 0 dB - 6 dB 20K 20K
KEYIN2
D - 62433Q - 78A
IN 2A amp 11 amp 12 KEYIN2
A
; T metri ice Not e para som
B
IN 2B
B
A
IN 2C
sw12-1 A B sw12-2
sw8
90K
I M o fina s R E Lis is nc tlia its are m P h
C
ubj
IN 2D BPFOUT DELAYIN --6dB
sw13
D
IN 2E
E
Y ca n. e. A Rspecifiecttitoo chang IN l
20K
20K
IN 2F
B A B
F
sw9 A
amp 24
amp 21 amp 22 BPFIN
0 dB 20K 0 dB
MITSUBISHI ELECTRIC
A
B
20K
20K Asw14
20K
IN 1F
F
IN 1E
E
sw11-2 B
IN 1D
D
sw11-1
amp 23 PHEIZE SHIFTER
- 6 dB
20K 20K
C
IN 1C amp 1
0 dB 20K
A
amp 2
0 dB 20K
M62433FP
KEYIN1 KEYIN1
MITSUBISHI SOUND PROCESSORS
DIGITAL SOUND CONTROLLER
( 18 /
IN 1B
B
IN 1A
A
B sw7
90K
21 )
100K
sw1
SELECT OUT1
; T metri ice Not e para som
I M o fina s R E Lis is nc tlia its are m P h
Y ca n. e. A Rspecifiecttitoo chang IN l
ubj
MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER REC1C
REC2C
100K
TONEIN2
TONEIN1
B sw15 A
A
sw16
amp 13
DPL (Rch)
REC2A REC2B
30K
30K
amp 3
100K
B
DPL (Lch)
REC1A REC1B
sw3 sw5
5.0K
A sw18b
5.0K
A sw17b
sw6
12.5K
sw4 sw10-2 B
12.5K
sw10-1 B B
B
5.0K
A
5.0K
The block diagram along the signal flow (No.2)
sw22
amp 20
100K
100K
sw21
A
B
A
A
100K
B
20K
20K
8.5K MIC AMP
8.5K
Key Con
SELECT OUT 2
KEYIN2
KEYIN1
Key Con
KEYIN2
D - 62433Q - 78A
MITSUBISHI ELECTRIC
KEYIN1
( 19 /
SELECT OUT 1 21 )
amp 10
The block diagram along the signal flow (No.3)
D - 62433Q - 78A
; T metri ice Not e para som
each frequency change +10dB ~ -10dB
10K
0dB ~ - ( 32 steps )
400
10
10
10
10K
+
+
I M o fina s R E Lis is nc tlia its are m P h
amp 15
100k
ubj
FOUT2
OUT 2
amp 14
24.2K 10.0K 4.62K
22.7K
Y ca n. e. A Rspecifiecttitoo chang IN l
8.55K
22.7K
22.7K
3.12K
8.55K
4.62K
8.55K
22.7K
3.12K
8.55K
56K
56K
3.12K
MITSUBISHI ELECTRIC OFF : Bass Boost ON ON : Normal
1.5K
amp 16 amp 18 amp 17 amp 19 amp 4 The same channel2
OUT 1
M62433FP
amp 5
10
MITSUBISHI SOUND PROCESSORS
DIGITAL SOUND CONTROLLER
( 20 /
amp 8 amp 6 amp 9 amp 7
21 )
; T metri ice Not e para som
I M o fina s R E Lis is nc tlia its are m P h
Y ca n. e. A Rspecifiecttitoo chang IN l
ubj
MITSUBISHI SOUND PROCESSORS
M62433FP
DIGITAL SOUND CONTROLLER
5V PORTB PORTA
MCU
Application
10 +
+ 2k 2k 40 39
10 0K
analog 7V
+
digital GND
BUFOUT2
BUFOUT1 + 2k + 2k 26
10 0K
10 +
560p
0.1 41
38
37 36
35
34
33
-COM interface Logic
32
10k 10k 31 30 29
28
27
25
0.1 20 21 22 23 24
560p
10 + 2700p 680p 0.027
43 42
+ 10 2700p 680p 0.027
44
SW20
61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46
G=2.4i{
G=2.4i{
45
SW19
SW13
0.082
SW10-2
SW18
A SW17
0.001
10 11 12 13 14 15 16 17 18 19
5-Element Graphic Equalizer
SW14
5-Element Graphic Equalizer
A
SW10-1
0.001 0.082
B
A
B
A B
A
0.27
0.01 0.82
SW12-2
SW11-2
SW16
SW15
SW11-1
A
20K
20K
A
9
B
100K
SW12-1
DPL2 REC2B REC2A REC2C MIC IN
B
100K
SW4 SW6
SW3 SW5
100K
A 20K
B 20K
20K
8
100K
7
SW9
B SW8
SW7
6
A
A
B
100K B
B
64 63 62
SW21
8.5K 8.5K
5K
A
100K
A
100K SW22
20K
SW2
SW1
2
3
4
5
20K
B
5K
470p
E
F
D
C
B
A
A
C
E
D
1
F
20k 1000p
0.15 20k
analog -7V analog GND
10k
65
66
IN2F
67
IN2E
68
IN2D
69
IN2C
70
IN2B
71
IN2A
72
73
74
IN1A
75
IN1B
76
IN1C
77
IN1D
78
IN1E
79
IN1F
80
Key control IC OR DPL ( 21 / 21 )
D - 62433Q - 78A
MITSUBISHI ELECTRIC
20K
A
B
B
A
0.033
B
B
A
B
0.033 0.27
0.01 0.82 DPL1 REC1B REC1A REC1C

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