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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND
DESCRIPTION
The M61504FP is an optimum digital sound controller IC for home audio. It has a 4ch input selector, input volume, surround (3 variation), tone control (3 band), loudness, Vocal cut and 2ch master volume. It can control all of these function with serial data.
FEATURES
Built-in 4ch input selector. Built-in input volume (2dB step/3 bit) IC for Dolby-pro-logic Interface. Built-in Surround (ON/OFF,High/Middle/Low <3 variation>) Tone control (Bass/Mid/Treble) Built-in Loudness. Vocal cut (Surround OFF setting only) Main Volume (36 step 0 to -80dB,- ) Microcomputer Interface.
PACKAGE
Outline 42P2R-A
0.8mm Pitch 450mil SSOP (8.4mm x 17.5mm x 2.0mm)
RECOMMENDED OPERATING CONDITIONS
Supply voltage range ....Vcc= 4.5~5.5 Rated supply voltage.....Vcc=5V
SYSTEM CONFIGURATION
IC for Dolby-pro-logic
IN A1 IN B1 IN C1 IN D1
INPUT VOLUME
MAIN VOLUME
A1 & LOUDNESS
TONE CONTROL
MAIN VOLUME B1
Vocal cut
VOL OUT1
IN A2 IN B2 IN C2 IN D2
INPUT VOLUME
MAIN VOLUME
A2 & LOUDNESS
SURROUND
MAIN VOLUME B2
VOL OUT2
-com INTERFACE
IC for Dolby-pro-logic
CLK
DATA
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM
CLOCK GND VOL OUT2 VOL IN2 VSELB OUT2 TRE2 MO2 MI2 BO2 BI2 LOUD2 VSELA OUT2
22 23 24
MAIN VOLUME 2 -18 to -80dB,-dB
21 20 19 50k 50k
MAIN VOLUME 1 -18 to -80dB,-dB
DATA VCC VOL OUT1 VOL IN1 VSELB OUT1 TRE1 MO1 MI1 BO1 BI1 LOUD1 VSELA OUT1
VSELA IN1 INVOL OUT1 NC
25 26 27
B A
VOLUME SELECT B2 VOLUME SELECT B1
18 17 16
A B
28 29 30 31 32 33
100k MAIN VOLUME2 0to -16dB VOLUME SELECT A2 B TONE SELECT2
15 14 13 12
B A A B
TONE SELECT1
11 10
VSELA IN2 34 INVOL OUT2 35
50k
SURROUND
MAIN VOLUME1 0 to -16dB VOLUME SELECT A1
50k
100k
9 8
100k 12k
100k
A
VCUT IN 2D IN 2C IN 2B IN 2A
36
REC-A SW
VOCAL CUT
A
B
7 6 5 4 3 2 1
REC-A SW VCUT SW D INPUT ATT SW 9.5k 12k
37 38 39 40
12k
D INPUT ATT SW 9.5k
VCUT SW
IN 1D IN 1C IN 1B IN 1A REF OUT REF IN
50k
100k 100k 100k SW41 200k SW42 200k INPUT VOLUME 2 D INPUT ATT SW REC-B SW
50k
INPUT VOLUME 1 D INPUT ATT SW 100k 100k 100k
A B A B
REC-B2/SUR1 41 REC-B1/SUR2 42
25k
REC-B SW
REF Amp. 25k
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND PIN DESCRIPTION
Pin No. 1 2 3,4,5,6, 37,38,39,40 8,35 9,34 10,33 11,32 12,31 13,30 14,29 15,28 16,27 17,26 18,25 19,24 20 21 22 23 36 41 42 7 REF IN REF OUT IN 1A,1B,1C,1D, 2A,2B,2C,2D INVOL OUT1,2 VSELA IN1,2 VSELA OUT1,2 LOUD1,2 BI1,2 BO1,2 MI1,2 MO1,2 TRE1,2 VSELB OUT1,2 VOL IN1,2 VOL OUT1,2 VCC DATA CLOCK GND VCUT REC-B2/SUR1 REC-B1/SUR2 NC Symbol Function Input pin of reference Amp. Output pin of the reference Amp. Input pin of the input selector Ch1 and Ch2 Output pin of the input volume 1 and 2
Input pin of the volume input selector A1 and A2 Capacitor connection pin for the volume changing noise reduction Frequency characteristic setting pin in the loudness part
Frequency characteristic setting pin in the tone control (Bass). Frequency characteristic setting pin in the tone control (Mid).
Frequency characteristic setting pin in the tone control (Treble). Output pin of the volume input selector B1 and B2
Input pin of the main volume Output pin of the main volume The power supply Input pin of the serial data
Clock input pin for the serial data forwarding
GND
Capacitor for vocal cut Impedance (band filter) connection pin Output pin of the REC-B2/Device connection pin for the surround external parts Output pin of the REC-B1/Device connection pin for the surround external parts
Non connection
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND ABSOLUTE MAXIMUM RATINGS
Conditions
Symbol
Parameter Supply voltage Power dissipation Thermal derating Operating temperature Storage temperature
Limits 6.0
Units V mW mW/C C C
VCC Pd K Topr Tstg
Ta25C Ta>25C
960 9.6 -20 to +75 -40 to +125
THERMAL DERATING
1000 960
500 480
0 0 25 50 75 80 100 125 150
AMBIENT TEMPERATURE Ta [C]
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND RECOMMENDED OPERATING CONDITION
(Ta=25C,unless otherwise noted) Parameter Supply voltage Logic"H"level input voltage Logic"L"level input voltage Symbol Conditions MIN TYP MAX Units
VCC GND reference GND reference
4.5
5.0
5.5
V
VIH VIL
2.4
VCC 0.7
V V
GND
RELATIONSHIP BETWEEN DATA AND CLOCK
CLOCK
D0 D1 D2 D3 DD DE DF
DATA
Data signal is read at the rising edge of clock.
Signal is latched at the rising edge of the latch signal.
Latch signal: H
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND DATA CONTROL SPECIFICATION
For kinds of input format options are availably by changing slot settings of DC,DD.
(When the IC is powered up,the internal setting are not fixed.) (x is optional setting) D04 D14 D24 D34 D44 D54 D64 D74 D84 D94 DA4 DB4 DC DD DE DF X X X 0 X 1 X X X X X X 1100
Tip address
DD DE DF
(1)
D01
D11
D21
D31
D41
D51
D61
D71
D81
D91
DA1 DB1 DC
TONE CONTROL TREBLE
TONE CONTROL MID
TONE CONTROL BASS
0
0
0
0
(2)
DO2 D12
D22
D32
D42
D52
D62
D72
D82
D92
INPUT D ATT SW
DA2 DB2 DC
Note3) VOCAL CUT
DD
DE
DF
A1 VOLUME CH 1
B1 VOLUME CH 1
0
0
1
0
0
(3)
DO3 D13
D23
D33
D43
D53
D63
D73
D83
D93
LOUD NESS SW
DA3 DB3 DC
TONE INPUT SELE CTOR D Input ATT SW
-5/-8dB
DD
DE
DF
A1 VOLUME CH 2
B1 VOLUME CH2
1
0
0
0
(4)
Note1)
DO4 D14
SURROUN D OF OUTSIDE SETTING
D24
D34
Note) Mute
D44
REC-B ON:1 OFF:0
D54
D64
D74
D84
D94
DA4 DB4 DC
DD
DE
DF
1
INPUT VOLUME
A B REC-A INPUT INPUT ON:1 VOLUME VOLUME SELECTOR SELECTOR OFF:0
INPUT SELECTOR SURROUN D OF INSIDE SETTING Note3)
1
1
0
0
SURROUND
0
Note1) Surround of outside setting, it becomes "D54=1"--->Sw41 and 42 setting = B fixation. Surround of inside setting ( Surround of outside non setting), It becomes "D54=0"--->Sw41 and 42 setting = A fixation. Note2) In power supply investing to Mute an output in, It becomes setting like the following. Input selector = ALL OFF, Outside surround mode setting, REC-A,B SW=OFF,B1 main volume= - setting. The similar MUTE setting can be done by setting D34=D54=1. Note3) It is impossible to use the vocal cut and the inside surround function, First. it sets the vocal cut ON after setting the inside surround ON, in case of switching to the vocal cut ON setting from the inside surround ON setting. And it sets the inside surround ON after setting the vocal cut On, in case of switching to the inside surround ON setting from the vocal cut ON setting. MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND SETTING CODE
(1)TONE CONTROL (TREBLE/MID/BASS)
ATT TREBLE D01 MID D41 BASS D81 1 + 8dB + 6dB + 4dB + 2dB 0dB - 2dB - 4dB - 6dB - 8dB 1 1 1 0 0 0 0 0 D11 D51 D91 1 0 0 0 0 0 0 0 1 D21 D61 DA1 0 1 1 0 0 0 1 1 0 D31 D71 DB1 0 1 0 1 0 1 0 1 0
(8)INPUT SELECTOR
INPUT A ch B ch C ch D ch E ch ALL OFF
D04 0 0 0 0 1 1
D14 0 0 1 1 0 1
D24 0 1 0 1 0 1
(9) REC-A SWITCH
REC-A OUTPUT
DB4 0 1
(2)LOUDNESS
LOUDNESS
(3)A VOL SELECTOR
D93 0 1
A VOL SELECTOR BYPASS
OUTSIDE SURROUND INPUT
OFF ON
D94 0 1
OFF ON
(10)SURROUND
SURROUND
Note) It is possible to control only at D54="0"setting.
D34 0 1 0 1
D44 0 0 1 1
(4)B VOL SELECTOR
BVOL SELECTOR BYPASS TONE
(5)TONE INPUT SELECTOR
TONE INPUT
BYPASS
INSIDE SURROUND INPUT
OFF L M H
DA4 0 1
DA3 0 1
(11)INPUT VOLUME (6) D INPUT ATT SW
E INPUT ATT SW 0dB -5/-8dB
(7) VOCAL CUT SW
VOCAL CUT SW
OFF ON
DA2 0 1
DB2 0 1
INPUT VOLUME 0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB -14 dB
D64 0 0 0 0 1 1 1 1
D74 0 0 1 1 0 0 1 1
D84 0 1 0 1 0 1 0 1
(8) D INPUT ATT SW
D/E INPUT ATT SW -8dB -5dB
DB3 0 1
Note:Do not input other data than the above.
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND
(12)A MAIN VOLUME A T T
FRONT STEP VOL. CH 1 FRONT STEP VOL. CH 2
D02 D03 0 0 0 0 0 0 0 0 1
D12 D13 0 0 0 0 1 1 1 1 0
D22 D23 0 0 1 1 0 0 1 1 0
D32 D33 0 1 0 1 0 1 0 1 0
0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB -14 dB -16 dB
(13)B MAIN VOLUME A T T
BACK STEP VOL. CH 1 BACK STEP VOL. CH 2
D42 D43 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
D52 D53 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
D62 D63 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 1
D72 D73 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
D82 D83 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 ( 8 / 17 )
0 dB -2 dB -4 dB -6 dB -8 dB -10 dB -12 dB -14 dB -16 dB -18 dB -20 dB -22 dB -24 dB -26 dB -28 dB -32 dB -36 dB -40 dB -44 dB -48 dB -52 dB -56 dB -60 dB -61 dB -62 dB -63 dB -64 dB - dB
MITSUBISHI ELECTRIC
MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND ELECTRICAL CHARACTERISTICS
(Ta=25C,VCC=5.0V,f=1kHz,unless otherwise noted. INPUT VOLUME=0dB,SURROUND,LOUDNESS=OFF,VOL.INPUT SELECTOR A,B setting=Bypass,TONE INPUT SELECTOR=Bypass. Refer to the application circuit example.)
(1)Power supply characteristics
Parameter
Circuit current
Symbol AIdd
Test condition
No signal setting
Limits MIN TYP MAX Units 35 60 mA
(2)Input/Output characteristics (Total) Ta=25C
Parameter
Input impedance
Symbol
Rin VIMt
Test condition
3~5pin,38~40pin
(Input pin to3~5,38~40) Output pin to 19,24,A main Vol=-2dB RL=10K,THD=1%
Limits MIN TYP MAX 22 1.2 33 1.4 48
Units
K Vrms
Maximum input Amplitude VIMtD Maximum output Amplitude Gain VOMt Gvt THDA Total harmonic distention THDB NoA Output noise level NoB CT
(Input pin to 6,37)Output pin to 19,24 RL=10,THD=1%
D,Ech ATT SW=-8dB,Input VOL=-2dB
2.8 1.0 -2.0
3.1 1.25 0 2.0
Vrms Vrms dB % % Vrms Vrms Vrms Vrms dB dB
(Input pin~3,40)Output pin to19,24 RL=10,THD=1%
Vi=0.5Vrms,FLAT, Pin(3~6,37~40pin)-19,24gains (Input pin to 3,40) Output pin to19,24 DIN-AUDIO,Vi=0.5Vrms ,RL=30 B Volume input selector THDA:BypassTHDB:Tone
19,24pin,Rg=0,JIS-A, Main volume=- 19,24pin,Rg=0,JIS-A, Main volume=0dB 19,24pin,Rg=0,JIS-A, B Volume input selector:Tone 19,24pin,Rg=0,JIS-A,B Volume input select:Tone,Tone input select:Surround
0.006 0.07 0.009 0.09 2.5 5 7 10 -80 6 10 15 20 -65 -80
Cross talk between channels Volume maximum attenuation quantity
Vo=0.5Vrms , RL=10K,JIS-A Pin19 to 24gains Rg=10K
ATTmax Vi=1Vrms ,JIS-A
Main volume= -
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND (3)Tone control characteristics
Vi=0.2Vrms,Input pin to 9 and 34,Output pin to 17 and 26, A VOL input selector:Input to outside surround,Tone input selector:Bypass,B VOL input selector:Tone,unless otherwise noted.
Parameter
Value of Boost(Bass) Value of Cut(Bass) Value of Boost(Mid) Value of Cut(Mid) Value of Boost(Treble) Value of Cut(Treble) Balance between channels
Symbol
G(BASS)B G(BASS)C G(MID)B G(MID)B G(TRE)B G(TRE)B BALT
Test conditions
f=100Hz Tone bass setting +8dB f=100Hz Tone bass setting -8dB f=1kHz Tone mid setting +8dB f=1kHz Tone mid setting -8dB f=10kHz Tone treble setting +8dB f=10kHz Tone treble setting -8dB boost condition +8,-8dB
MIN 6 -10 6 -10 6 -10 -2
Limits TYP MAX Units 8 -8 8 -8 8 -8 0 10 -6 10 -6 10 -6 +2 dB dB dB dB dB dB dB
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND FUNCTION DESCRIPTION
(1)Main volume This IC has 2 system independence electron volume of low warp percentage and low noise. 0dB~ -dB attenuation quantity can be set with 36 steps(0dB~ -44dB:2dB step,-44dB~ -76dB:4dB step, -77dB ~ -80dB:1dB step). The attenuation quantity to 0~ -16dB can be set in A1 Vol. The attenuation quantity to 0~ -64dB can be set in B1 Vol.They are possible to control.
Equivalent circuit of MAIN VOLUME block
Tone & Surround block
VSELB OUT1,2 VOL IN1,2 17,26pin 18,25pin VOL OUT1,2 19,24pin
A VOL input selector
+ -
0dB~ -16dB: 2dB step
VSELA OUT1,2 17,26pin
B VOL input selector
+ 0dB~ -28dB:2dB step -28dB~ -60dB:4dB step -61dB~ -64dB:1dB step
Condenser for the changing noise reduction
(2)Input selector,Input volume This IC has 4 input selector of 2ch and Input volume of 2ch for Input TRIMMER. The input selector D input is either of -8 dB of 0dB/ a choice in the input level with ATT SW. The input volume of 0~-14dB can be set with the 2 dB step. 100k
A
100k 100k
B
Note1)The setting of ATT SW changes the input resistance of D input like the following. ATT -8dB of D input setting: 20kohm(TYP value) 0dB setting : 60kohm(TYP value)
C
12k
D
0dB~ -14dB:2dB step 50k
(0dB/-5dB)
25k 9.5k (0dB/-8dB)
+ -
To volume input selector A
D Input ATT SW Note2) At the time of input selector A~C, E or ALL OFF D input ATT SW becomes -8dB setting.
Note3)This SW is for the gain adjustment in 0 dB setting in the D input ATT.
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND (3)Equivalent circuit of tone control 3-1Bass,Mid (Boost mode)
IN
OUT
R3
R2 f0 = 2
1 R1(R2+R3)C1C2
(Hz)
Q= C1 R1 C2
1 C1C2R2 C1+C2 R1 R2+R3 +2 R1 R3 +2 R1
Gv = 20log
(dB)
3-2 Bass,Mid (Cut mode)
IN OUT
R2 f0 = 1 2 R1(R2+R3)C1C2 (Hz) R3
Q=
C1C2R2 1 C1+C2 R1 R3 +2 R1 R2+R3 +2 R1
C2 R1
C1
Gv = 20log
(dB)
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND 3-3 Treble (Boost)
IN
OUT
Gv = 20log
R1+R2 R1 (dB) R1 R2
C1
3-4 Treble (Cut) IN
R2 Gv = 20log R1 R1+R2 (dB) R1
OUT
C1

Bass +8dB
Mid
Treble
setting +8dB
0dB
-8dB 100 1k 10k
setting -8dB
Frequency f(Hz)
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND (4) Equivalent circuit of Vocal cut
It removes the vocal cut from usual music source (the stereo). It centers on the vocal cut by the fixed rank, it is inputted to L,Rch in the same phase and the same amplitude. Therefore, it comes in the vocal cut by L-R setting.
20k
CHANNEL 1 INPUT
20k
20k
20k
EXTERNAL Cv
VOCAL CUT OUTPUT
5k 5k 20k
CHANNEL 2 INPUT
Lowpass filter for Vocal cut Note1) Vocal cut output is monaural. Note2) In the setting which uses the vocal cut, the inside surround function can't be used. Note3) In setting of the vocal cut use, the output sometimes does a clip in the low area part, when inputting a signal above Vin=0.6Vrms.

180
It fixes (fo) of the low cut off frequency in 20K of the inside resistance and Cv of the outside capacitor. It shows by the formula below. fo=1/(2x20kxC) Hz C=0.68F setting It becomes fo=1/(2x20kx0.68)=12Hz
0dB -10dB -20dB -30dB -40dB
Gain (Vocal cut OFF setting) Gain (Vocal cut ON setting)
Phase(Vocal cut OFF setting)
0
Phase(Vocal cut ON setting)
12
100
1k
10k
-180
Frequency f(Hz)
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND (5) LOUDNESS
This IC built-in a center tap -type loudness circuit .
A VOL input selector
0dB~ -16dB: 2dB step Tone & Surround block
+ -
VSELB OUT1,2 17,26pin VOL IN1,2 18,25pin VOL OUT1,2 19,24pin
B VOL input selector
+ -
LOUD1,2 11,32pin
LOUDNESS SW
Cl
0dB~ -28dB:2dB step -28dB~ -60dB:4dB step -61dB~ -64dB:1dB step
LOUDNESS PART It fixes (fo) of the loudness in 50K of the inside resistance and Cl of the outside capacitor. It shows by the formula below. fo=1/(2x50kxC) Hz
-16dB 0dB

-10dB
C=0.1F setting It becomes fo=1/(2x50kx0.1)=32Hz
-20dB
fo=32 100
1k
10k
(6)Equivalent circuit of surround block
Frequency f(Hz)
5k
5k
Ch2
Out2
1k
1
200k 10k 5k
5k
external parts
5k 200k
Out1
5k
Ch1
5k
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND APPLICATION EXAMPLE
(1)Surround of outside setting(for Dolby-Pro-logic) <"D54=1"--->SW41, 42 setting = B fixation.> But, in case of this specification inside surround can not be used. CLOCK 22
23 24
MAIN VOLUME2 -18~ -80dB,-dB
Units Resistance: Capacitance:F 21 DATA 20 19
50k
50k
MAIN VOLUME1 -18~ -80dB,-dB
25 2.2 26 2700p 27
B A
VOLUME SELECTOR B2 VOLUME SELECTOR B1
18 17 16
A B
2.2 2700p
6800p 10k 6800p 0.068 10k 0.068 0.1
28 29 30 31 32 33
INPUT TONE SELECTOR 2
15 14 13 12
B A A B
INPUT TONE SELECTOR 1
6800p 10k 6800p 0.068 10k 0.068 0.1
11 10
10 34
IC for Dolby-Plologic 100k
50k
MAIN VOLUME2 0~-16dB Volume input selector A2 B
50k
100k
10
IC for Dolby-Plologic
SURROUND
35
REC-A2
100k
A
2.2
36
REC-A SW
VOCAL CUT
A
MAIN VOLUME1 0~-16dB Volume input B selector 100k A1 12k REC-A SW
9 8
REC-A1
7 6 5
37 38 39 40
REC-B2 REC-B1
12k
D INPUT ATT SW 9.5k
VCUT SW
VCUT SW
D INPUT ATT SW 9.5k
12k
50k
100k 100k 100k SW41 200k SW42 200k INPUT VOLUME2 D INPUT ATT SW REC-B SW D INPUT ATT SW
50k
100k INPUT VOLUME1 100k 100k
4 3 2 1
A B A
41 42
25k
REC-B SW
10 10
B
REF Amp.
25k
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSORS
M61504FP
DIGITAL SOUND CONTROLLER WITH SURROUND
(2)Surround of outside setting(for Dolby-Pro-logic) <"D54=0"---> SW41, 42 setting = A fixation>
Units Resistance: Capacitance:F
CLOCK 22
23 24
MAIN VOLUME2 -18~ -80dB,-dB
21 20 19 50k 50k
MAIN VOLUME2 -18~ -80dB,-dB
DATA
25 2.2 2700p 27
B A
18 17
VOLUME SELECTOR B2 VOLUME SELECTOR B1
26
2.2 2700p
16
A B
6800p 10k 6800p 0.068 10k 0.068 0.1
INPUT OF 10 OUTSIDE SURROUND REC-A2
28 29 30 31 32 33 34 35
100k 100k INPUT TONE SELECTOR2
15 14 13 12
B A A B
INPUT TONE SELECTOR1
6800p 10k 6800p 0.068 10k 0.068 0.1
11 10
50k
MAIN VOLUME2 0~ -16dB VOLUME SELECTOR A2
SURROUND
B
A
2.2
36
REC-A SW
VOCAL CUT
A
MAIN VOLUME1 0~ -16dB VOLUME SELECTOR A1
50k
100k
10 INPUT OF
OUTSIDE SURROUND REC-A1
9 8
100k 12k
B
REC-A SW VCUT SW D INPUT ATT SW 9.5k 12k
7 6 5
37 38 39 40 1k 41 1 42
12k
D INPUT ATT SW 9.5k
VCUT SW
50k
100k 100k 100k SW41 200k SW42 200k INPUT VOLUME2 D INPUT ATT SW
50k
100k INPUT VOLUME1 D INPUT ATT SW 100k 100k
4 3 2 1
A B A B
REC-B SW REC-B SW
25k REF Amp. 25k
10 10
MITSUBISHI ELECTRIC
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