Advertisement
D4005
FROM
XTMUTE
QR4002-QR4005
TIMER
IC7501- 63
Q4004
SECTION
MUTE
D4006
CIRCUIT
FROM
XDMUTE
DIGITAL
IC4408- 4
P.C.B.
P9001
P7402
MIX R OUT DM
FROM
41
DIGITAL
P9001
P7402
MIX L OUT DM
P.C.B.
39
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
3
LINE
2
(Rch)
1
AV3
AUDIO
(FRONT)
5
LINE
(Lch/MONO)
4
JK3001
REAR INPUT JACK
2
LINE
(Rch)
AV4
AUDIO
3
(REAR)
LINE
(Lch)
1
TU7801
U/V TUNER
PS7801
PP7401
PK7701
SIF OUT
15
4
TUNER P.C.B.
FROM
P9001
P7402
IEC OUT
DIGITAL
36
P.C.B.
Q4006
MUTE
Q4007
MUTE
Q4009
MUTE
Q4008
MUTE
IC3001
(AUDIO SIGNAL PROCESSOR)
IC4009
(BUFFER)
DAC Rch
2
1
56
DAC Lch
6
7
64
AV1 Rch
52
AV1 Lch
60
AV2 Rch
53
AV2 Lch
61
Max
4.5V
5.6Vpp
AUDIO SIGNAL
AV3 Rch
50
AV3 Lch
58
AV4 Rch
51
AV4 Lch
59
IC7301
(NICAM/A2)
PK7302
PK7702
TUN Rch
R OUT
2
54
4
PK7301
PK7302
PK7702
TUN Lch
25
SIF
L OUT
1
62
1
6
NICAM DECODER P.C.B.
(SA1R)
a
BUFF.
b
c
LPF
MUTE
d
e
OUTPUT
SELECT SWITCH
(SA3R)
(SA4R)
a
a
b
b
ADC Rch
c
c
AGC
AMP
d
d
e
(SA5R)
(SA2R)
BUFF.
AV4
a
BUFF.
b
TUN
c
LPF
MUTE
d
e
(SA2L)
a
BUFF.
b
c
LPF
MUTE
d
e
OUTPUT
SELECT SWITCH
(SA3L)
(SA4L)
a
a
b
b
ADC Lch
c
c
AGC
AMP
d
d
e
(SA5L)
BUFF.
AV4
(SA1L)
TUN
a
BUFF.
b
c
LPF
MUTE
d
e
IIC BUS
LOGIC
:REC SIGNAL
:PB SIGNAL
MIX L OUT2
MIX R OUT2
AV1 Rch
AUDIO OUT Ch2(R)
72
AUDIO OUT Ch1(L)
ADC Rch
79
AV2 Rch
AUDIO OUT Ch2(R)
74
AUDIO OUT Ch1(L)
AV2 Lch
73
AADC R
ADC Lch
AADC L
78
AV1 Lch
71
SCL
88
SDA
89
5V
2.3V
1.0V
DMR-EH50GN
Analog Audio Block Diagram
JK3001
REAR JACK
7
LINE OUT
(L)
6
AV4
LINE OUT
(R)
5
JK3901
21 PIN JACK
1
AV1
(TV)
3
1
AV2
(DECEODER/EXT)
3
P7402
P9001
31
TO
DIGITAL
P.C.B.
P7402
P9001
29
IIC CLK
FROM
IC7501- 28
TIMER
IIC DATA
SECTION
IC7501- 29
JK3903
OPTICAL
(DIGITAL AUDIO OUT)
7
Advertisement
