Panasonic DMR-EH80VEG Service Manual page 128

DMR-EH80VEG / DMR-EH80VEB
(SA1R)
a
b
c
d
e
(SA3R)
a
b
c
d
e
(SA5R) (SA2R)
BUFF.
AV4 a
b
TUN c
d
e
(SA2L)
a
b
c
d
e
(SA3L)
a
b
c
d
e
(SA5L)
BUFF.
AV4
(SA1L)
TUN
a
b
c
d
e
+
VCA
MIX
IC34001
(OPTICAL AUDIO BUFFER)
2
70
:REC SIGNAL
BUFF.
AV1 Rch
LPF MUTE 72
OUTPUT
SELECT SWITCH
(SA4R)
a
b
ADC Rch
ADC Rch
c AGC 79
AMP
d
BUFF.
AV2 Rch
LPF MUTE 74
BUFF.
AV2 Lch
LPF MUTE 73
OUTPUT
SELECT SWITCH
(SA4L)
a
b
ADC Lch ADC Lch
c AGC 78
AMP
d
BUFF.
AV1 Lch
LPF MUTE 71
SCL
88
IIC BUS
LOGIC
SDA
89
P31901
4
:PB SIGNAL
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
5V
2.3V
1.0V
P6001
5 5
128
JK35001
REAR JACK
4
LINE OUT
(L)
2 AV4
LINE OUT
(R)
1
JK3901
21 PIN JACK
1
AV1
(TV)
3
1
AV2
(DECEODER/EXT)
3
JK3902
21 PIN JACK
AADC R P39702
31
TO
DIGITAL
P.C.B.
AADC L P39702
29
IIC CLK
IC37501 28
FROM
INTERFACE
IIC DATA
IC37501 29
JK4901
OPTICAL
(DIGITAL AUDIO OUT)
1
DMR-EH80VEG
DMR-EH80VEB
AUDIO
BLOCK DIAGRAM