Panasonic DMR-E53EG Service Manual page 105

MAIN P.C.B.
QR4002-QR4005
Q4004
XTMUTE
IC7501- 20
MUTE
CIRCUIT
FROM
TIMER
SECTION
QR4012
XSCART MUTE L SCART
IC7501- 57 MUTE OUT
P9001 P7402
70
MIX R OUT DM
FROM
2
P9001 P7402
DIGITAL
58
P.C.B.
MIX L OUT DM
AV4 P9001 P7402 6
JK3001 62
REAR JACK
21
LINE
IN(R) A4 IN R
20
A4 IN L
17
LINE
IN(L)
18
AV3
JK7501
FRONT JACK
4
FRONT
LINE
L2 IN(L)
(L)
5
2
L2 IN(R)
3
FRONT
LINE
(R)
1
E55EB
DU7402 QR7406,7407
TUNER
MUTE
AUDIO 2 RFC A OUT
IN
IC7301
(NICAM/A2)
PK7701 PK7301 PK7302
AUDIO MONO
21 38 R OUT 2
OUT IN
3
PK7701 PK7301 PK7302
SIF
22 25 SIF L OUT 1
OUT 1
NICAM DECODER P.C.B.
FROM
P9001 P7402 IEC OUT
DIGITAL
72
P.C.B.
D4005 Q4006
MUTE
Q4007
MUTE
D4006 Q4008
MUTE
Q4009
MUTE
IC4001
(AUDIO SIGNAL PROCESSOR)
IC4009
1
DAR
25 AMP
7 DAL
26 AMP
IC4009
MIX
A4 IN R
12
(Rch)
A4 IN L
11
L2 IN L
32
L2 IN R
31
AMP
RFC A MUTE H FROM
IC7501- 52 TIMER SEC.
RF OUT
18
TUNER R
PK7702 TUNER R
3 AMP
4
TUNER L
PK7702 TUNER L
2 AMP
6
IC4007 IC4005
2
4 1 7
1
D+5V
MAIN P.C.B.
MIX L OUT1
MIX R OUT1
SCART AUDIO MUTE H
(Lch)
L CH OUT A ADC L P7402 P9001
BUFFER 29
50
R CH OUT A ADC R P7402 P9001
28
INPUT
48
SELECTOR SW
BUFFER
L3 IN R L3 IN(R)
10
L3 IN L L3 IN(L)
9
IIC CLK
20
FROM
IC7501- 28
IIC BUS
TIMER
LOGIC
IIC DATA
SECTION
21
IC7501- 29
DECODER R DECODER R
7
DECODER L DECODER L
6
:REC SIGNAL
PP7403 PS3903
14
PP7403 PS3903
Q3908,
QR3909
12
PP7403 PS3903 MUTE
2 CIRCUIT
IC3901
(A/V BUFFER AND SWITCH)
9 EXT.MUTE CTL.
TO
DIGITAL
P.C.B.
R CH
OUT
PP7403 PS3903
40 BUF LPF
4
L CH
OUT
PP7403 PS3903
39
6 LPF
BUF
MIX L
BUF
OUT1
11 LPF
SW3
2
(R CH)
C B A
MIX R
OUT1
10
1
LPF
BUF
SW3
(L CH)
B A
PP7403 PS3903 DECODER R R CH IN
15
8
PP7403 PS3903 DECODER L L CH IN
16
10
:PB SIGNAL
AV4
JK3001
REAR JACK
18
LINE OUT
MIX L OUT2 (L)
16
MIX R OUT2
19
LINE OUT
(R)
21
SCART P.C.B.
D3903 Q3910
MUTE
Q3909
MUTE
AV2
JK3904
(DECODER/EXT)
AUDIO OUT
CH2(R)
AMP 31 1
AUDIO IN
CH2(R)
34 2
AUDIO OUT
CH1(L)
30 3
AUDIO IN
CH1(L)
Lch
LPF AMP
33 6
BUF BUF
SW2 SW1
D C B A C B A
AV1
JK3905
AMP
(TV)
AUDIO OUT
Lch LPF
CH2(R)
43 1
BUF BUF
AUDIO IN
CH2(R)
37 2
SW2 SW1
D C B A C B A
AUDIO OUT
CH1(L)
AMP 42 3
AUDIO IN
CH1(L)
36 6
IIC DATA
21
FROM
IC7501- 29
IIC BUS
TIMER
LOGIC
IIC CLK
SECTION
22
IC7501- 28
IC4006
1
OPTICAL
(DIGITAL AUDIO OUT)
DMR-E53EG,E55EB/EG/EBL/EP
Analog Audio Block Diagram