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SIGNAL PROCESSOR)
a
Rch
b
c
Lch
d
e
OUTPUT
SELECT SWITCH
(SA3R)
(SA4R)
Rch
a
a
b
b
Lch
c
c
d
d
Rch
e
Lch
(SA5R)
(SA2R)
BUFF.
AV4
a
b
TUN
c
d
e
Rch
(SA2L)
a
b
c
d
e
OUTPUT
SELECT SWITCH
(SA3L)
(SA4L)
a
a
b
b
c
c
d
d
5L)
e
BUFF.
V4
UN
(SA1L)
a
b
c
d
e
+
VCA
MIX
(SA1R)
BUFF.
AV1 Rch
LPF
MUTE
72
ADC Rch
ADC Rch
AGC
79
AMP
BUFF.
AV2 Rch
LPF
MUTE
74
BUFF.
AV2 Lch
LPF
MUTE
73
ADC Lch
ADC Lch
AGC
78
AMP
BUFF.
AV1 Lch
LPF
MUTE
71
SCL
88
IIC BUS
LOGIC
SDA
89
:REC SIGNAL
:PB SIGNAL
MIX L OUT2
MIX R OUT2
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
AUDIO OUT Ch2(R)
AUDIO OUT Ch1(L)
AADC R
AADC L
5V
2.3V
1.0V
JK3001
REAR JACK
16
LINE OUT
(L)
18
AV4
19
LINE OUT
(R)
21
JK3901
21 PIN JACK
1
AV1
(TV)
3
1
AV2
(DECEODER/EXT)
3
P7402
P59001
19
TO
DIGITAL
P.C.B.
DIGITAL AUDIO
BLOCK SECTION
P7402 P59001
17
IIC CLK
FROM
IC7501-
29
TIMER
IIC DATA
SECTION
IC7501-
30
IC4901
OPTICAL
(DIGITAL AUDIO OUT)
1
DMR-EH65EC
DMR-EH65EP
ANALOG AUDIO
BLOCK DIAGRAM
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