Panasonic DMR-EH80VEG Service Manual page 127

23.4. AUDIO BLOCK DIAGRAM
FROM XTMUTE_L
INTERFACE IC37501 63
JK3901
21 PIN JACK
AV1
(TV)
AV2
(DECODER/EXT)
JK3902
21 PIN JACK
JK4600
FRONT INPUT JACK
LINE
(Rch)
AV3
AUDIO
(FRONT)
LINE
(Lch/MONO)
TU7402
DVD
TUNER
SIFOUT
TUNER
AUDIO
TU7401
VHS
TUNER
SIFOUT
TUNER
AUDIO
FROM
P93702
DIGITAL
36
P.C.B.
QR4501 QR4502/QR4504
AUDIO IN ch2(R)
2
AUDIO IN ch1(L)
6
AUDIO IN ch2(R)
2
AUDIO IN ch1(L)
6
PP4600 PS6002
3
5 5
2
1
PP4600 PS6002
5
7 7
4
Nicam Decoder(A) P.C.B.
IC7301
(NICAM DECODER)
PK7403 PK7301
15 25 SIF
1
PK7403 PK7301
14 38 MONO IN
3
IC7301
(NICAM DECODER)
PK7401 PK7301
15 25 SIF
1
PK7401 PK7301
14 43 MONO IN
3
Nicam Decoder(B) P.C.B.
QR4910,QR4908
TU7403
MUTE
RF CONVERTER
AUDIO
5
IN
IEC OUT
127
QR4503/QR4505
P31903 P6003
6 6
P31903 P6003
9 9
Max
4.5V
5.6Vpp
AUDIO SIGNAL
2 4
IC4501
PK7302 PK7404
OUT R 2
4
PK7302 PK7404
OUT L 1
6
PK7302 PK7402
OUT R 2
4
PK7302 PK7402
OUT L 1
6
FROM
COM_MUTE SYSTEM
IC6001 CONTROL
73
SECTION
DMR-EH80VEG / DMR-EH80VEB
IC3901
DAC Rch
56
DAC Lch
64
AV1 Rch
52
AV1 Lch
60
AV2 Rch
53
AV2 Lch
61
(SA5R)
BUFF.
AV4
TUN
AV3 Rch
50
AV3 Lch
58
TUN_2 Rch
51
(SA5L)
TUN_2 Lch BUFF.
59 AV4
TUN
TUN Rch
54
TUN Lch
62
RF OUT
+
76 MUTE VCA
MIX
70