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MAIN P.C.B. MAIN P.C.B. :REC SIGNAL :PB SIGNAL

AV4
JK3001
REAR JACK


18
LINE OUT
MIX L OUT2 (L)
16
MIX R OUT2
19
LINE OUT
D4005 Q4006 (R)
21
MUTE
QR4002-QR4005 Q4007
Q4004
XTMUTE MUTE
IC7501- 20 MUTE D4006 Q4008
CIRCUIT
FROM MUTE
MIX L OUT1 PP7403 PS3903 SCART P.C.B.
TIMER
SECTION Q4009 14
D3903 Q3910
MIX R OUT1 PP7403 PS3903 Q3908,
MUTE QR3909
QR4012 12 MUTE
XSCART MUTE L SCART SCART AUDIO MUTE H PP7403 PS3903 MUTE
IC7501- 57 Q3909
MUTE OUT 2 CIRCUIT
MUTE
XDMUTE




IC4001 IC3901 AV2
(AUDIO SIGNAL PROCESSOR) (A/V BUFFER AND SWITCH)
JK3904
P9001 P7402 (DECODER/EXT)
IC4009
70
FROM MIX R OUT DM (Lch) 9 EXT.MUTE CTL. AUDIO OUT
P9001 P7402 2 1 DAR
DIGITAL 25 AMP CH2(R)
P.C.B. 58
MIX L OUT DM L CH OUT A ADC L P7402 P9001 AMP 31 1
AV4 P9001 P7402 6 7 DAL BUFFER 29 TO
26 AMP 50
JK3001 62 DIGITAL
REAR JACK R CH OUT A ADC R P7402 P9001 P.C.B. AUDIO IN
INPUT 28
IC4009 SELECTOR SW 48 CH2(R)
MIX
34 2
21
LINE BUFFER
IN(R) A4 IN R A4 IN R AUDIO OUT
20 12 CH1(L)
AUDIO




R CH
(Rch) OUT 30 3
A4 IN L A4 IN L L3 IN R L3 IN(R) PP7403 PS3903
17 11 10 40 BUF LPF
LINE 4 L CH
IN(L) L3 IN L L3 IN(L) PP7403 PS3903 OUT AUDIO IN
18 9 39 CH1(L)
6 LPF Lch LPF AMP
33 6
BUF
MIX L
AV3 OUT1
BUF BUF BUF
JK7501
FRONT JACK 11 LPF
SW3 SW2 SW1
2
(R CH) C BA D C B A C BA
FRONT 4
LINE MIX R
(L) L2 IN(L) L2 IN L
OUT1
5 32
AUDIO




2 10
L2 IN(R) L2 IN R
FRONT 3 31
LINE 1
(R) 1
AMP AV1
AMP JK3905
(TV)
E55EB LPF Lch LPF AUDIO OUT
CH2(R)
43 1
DU7402 QR7406,7407 IIC CLK
TUNER 20 IC7501- 28 FROM
RFC A MUTE H FROM IIC BUS BUF BUF BUF
MUTE IC7501- 52 TIMER SEC. LOGIC TIMER AUDIO IN
IIC DATA SECTION
21 IC7501- 29 CH2(R)
37 2
AUDIO 2 RFC A OUT RF OUT SW3 SW2 SW1
18
IN (L CH) BA D C B A C BA AUDIO OUT
CH1(L)
AMP 42 3

AUDIO IN
IC7301 CH1(L)
(NICAM/A2)
36 6
TUNER R
AUDIO PK7701 PK7301 MONO PK7302 PK7702 TUNER R DECODER R DECODER R PP7403 PS3903 DECODER R R CH IN
OUT 21 38 IN R OUT 2 3 AMP 7 15
3 4 8
TUNER L
SIF PK7701 PK7301 PK7302 PK7702 TUNER L DECODER L DECODER L PP7403 PS3903 DECODER L L CH IN
OUT 22 25 SIF L OUT 1 2 AMP 6 16
1 6 10 IIC DATA
21 IC7501- 29 FROM
IIC BUS
LOGIC TIMER
22 IIC CLK SECTION
IC7501- 28

NICAM DECODER P.C.B.

IC4007 IC4005
FROM P9001 P7402 IEC OUT 2
DIGITAL 4 1 7 1 IC4006
P.C.B. 72 1 OPTICAL
D+5V (DIGITAL AUDIO OUT)




DMR-E53EG,E55EB/EG/EBL/EP
Analog Audio Block Diagram