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MAIN P.C.B.
FROM
XTMUTE
TIMER
IC7501-
65
QR4002-QR4004
SECTION
MUTE
CIRCUIT
FROM
XDMUTE
DIGITAL
IC54402-
16
P.C.B.
P59001
P7402
MIX R OUT DM
FROM
29
DIGITAL
P.C.B.
DIGITAL AUDIO
P59001 P7402
MIX L OUT DM
BLOCK SECTION
27
JK3901
21 PIN JACK
AUDIO IN ch2(R)
2
AV1
(TV)
AUDIO IN ch1(L)
6
AUDIO IN ch2(R)
2
AV2
(DECODER/EXT)
AUDIO IN ch1(L)
6
JK3002
FRONT INPUT JACK
13
LINE
12
(Rch)
11
AV3
AUDIO
(FRONT)
10
LINE
(Lch/MONO)
9
JK3001
REAR INPUT JACK
20
LINE
(Rch)
21
AV4
AUDIO
(REAR)
17
LINE
(Lch)
18
TU7801
U/V TUNER
(EC)ONLY
PS7801 PP7401
AUDIO
14
OUT
5
PS7801 PP7401
SIF OUT
15
4
TUNER P.C.B.
FROM
P59001
P7402
IEC OUT
DIGITAL
32
P.C.B.
D4005
Q4006
MUTE
Q4007
MUTE
D4006
Q4009
MUTE
Q4008
MUTE
IC4009
(BUFFER)
2
1
6
7
IC7301
(NICAM/A2)
MONO
38
R OUT
2
IN
25
SIF
L OUT
1
IC3001
(AUDIO SIGNAL PROCESSOR)
(SA1R)
a
DAC Rch
56
b
c
DAC Lch
64
d
e
OUTPUT
SELECT SWITCH
(SA3R)
(SA4R)
AV1 Rch
52
a
a
b
b
AV1 Lch
60
c
c
d
d
AV2 Rch
53
e
AV2 Lch
61
(SA5R)
(SA2R)
BUFF.
AV4
a
b
TUN
c
d
e
AV3 Rch
50
(SA2L)
AV3 Lch
58
a
b
c
d
e
OUTPUT
SELECT SWITCH
(SA3L)
(SA4L)
a
a
AV4 Rch
51
b
b
c
c
d
d
(SA5L)
e
AV4 Lch
BUFF.
59
AV4
TUN
(SA1L)
a
b
c
d
e
TUN Rch
54
TUN Lch
62
RF OUT
76
MUTE
VCA
+
MIX
:REC SIGNAL
:PB SIGNAL
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
5V
2.3V
1.0V
JK3001
REAR JACK
MIX L OUT2
16
LINE OUT
(L)
18
AV4
MIX R OUT2
19
LINE OUT
(R)
21
JK3901
21 PIN JACK
AUDIO OUT Ch2(R)
1
AV1
(TV)
AUDIO OUT Ch1(L)
3
AUDIO OUT Ch2(R)
1
AV2
(DECEODER/EXT)
AUDIO OUT Ch1(L)
3
AADC R
P7402
P59001
19
TO
DIGITAL
P.C.B.
DIGITAL AUDIO
BLOCK SECTION
AADC L
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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