Panasonic DMR-EH80VEG - Audio Block Diagram

23.4. AUDIO BLOCK DIAGRAM
DMR-EH80VEG
DMR-EH80VEB
AUDIO
BLOCK DIAGRAM
XTMUTE_L
IC37501
63
FROM
INTERFACE
QR4502/QR4504
QR4501
QR4503/QR4505
56
64
IC3901
(SA1R)
a
b
c
d
e
(SA3R)
a
b
c
d
e
52
60
DAC Rch
DAC Lch
AV1 Rch
AV1 Lch
53
AV2 Rch
61
AV2 Lch
2
6
2
6
JK3901
JK3902
21 PIN JACK
21 PIN JACK
AUDIO IN ch2(R)
AUDIO IN ch1(L)
AUDIO IN ch2(R)
AUDIO IN ch1(L)
(SA2R)
a
b
c
d
e
BUFF.
AV4
TUN
(SA5R)
50
AV3 Rch
OUTPUT
SELECT SWITCH
(SA4R)
a
b
c
d
3
2
1
5
4
LINE
(Rch)
LINE
(Lch/MONO)
AUDIO
JK4600
FRONT INPUT JACK
AV3
(FRONT) AV3 Lch
58
(SA2L)
a
b
c
d
e
(SA3L)
a
b
c
d
e
(SA1L)
a
b
c
d
e
BUFF.
(SA5L)
TUN
AV459
TUN_2 Lch
TUN_2 Rch
51
TUN Rch
54
62
TUN Lch
7
9
5
7
9
5
PS6002
P6003
PS6002
PP4600
P31903
PP4600
76
RF OUT
MUTE VCA
+
MIX
AGC
ADC Rch
AMP
LPF
BUFF.
MUTE
a
b
c
d
MUTE
BUFF.
LPF
MUTE
BUFF.
LPF
ADC Lch
AMP
AGC
MUTE
BUFF.
LPF
72
AV1 Rch
ADC Rch
79
AV2 Rch
74
AV2 Lch
73
ADC Lch
78
AV1 Lch
71
IIC CLK
IC37501
28
IIC DATA
IC37501
29
FROM
INTERFACE
SCL
88
89
SDA
IIC BUS
LOGIC
JK3901
JK3902
21 PIN JACK
21 PIN JACK
1
3
AV1
(TV)
3
1
AV2
(DECEODER/EXT)
29
P39702
31
P39702
TO
DIGITAL
P. C . B .
4
2
1
LINE OUT
(L)
LINE OUT
(R)
JK35001
REAR JACK
AUDIO OUT Ch1(L)
AUDIO OUT Ch2(R)
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
AADC R
AADC L
36
P93702
FROM
DIGITAL
P. C . B .
2
4
IC34001
(OPTICAL AUDIO BUFFER)
JK4901
OPTICAL
(DIGITAL AUDIO OUT)
1
IEC OUT
:REC SIGNAL :PB SIGNAL
4.5V
Max
5.6Vpp
2.3V
5V
1.0V
AV1
(TV)
(DECODER/EXT)
AV2
AUDIO SIGNAL
OUTPUT
SELECT SWITCH
(SA4L)
AV4
SECTION
CONTROL
SYSTEM
FROM
73
IC6001
COM_MUTE
QR4910,QR4908
MUTE
IN
AUDI O
5
RF CONVERTER
TU7403
TUNER
TU7401
TUNER
TU7402
2
143
25
2
138
25
Nicam Decoder(B) P.C.B.
Nicam Decoder(A) P.C.B.
(NICAM DECODER)
IC7301
OUT R
MONO IN
SIF
PK7302
PK7402PK7302
PK7402
4
6
PK7401
PK7301PK7401
PK7301
1
3
OUT L
AUDI O
TUNER
14
15SIFOUT
VHS
(NICAM DECODER)
IC7301
OUT R
OUT LMONO IN
SIF
PK7302
PK7404PK7302
PK7404
4
6
PK7301
PK7301
PK7403
PK7403
1
3
14
AUDI O
TUNER
15SIFOUT
DVD
IC4501
66
P6003P31903
55
P6001
P31901
2
4
DMR-EH80VEG / DMR-EH80VEB
72