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DMR-ES20EG / DMR-ES20EP / DMR-ES20EE
17.3. Analog Audio Block Diagram
FROM
XTMUTE
QR4002-QR4005
TIMER
IC7501-
63
Q4004
SECTION
MUTE
CIRCUIT
FROM
XDMUTE
DIGITAL
IC4408-
4
P.C.B.
P9001
P7402
MIX R OUT DM
FROM
41
DIGITAL
P.C.B.
DIGITAL AUDIO
P9001
P7402
MIX L OUT DM
BLOCK SECTION
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
(EG)ONLY
AUDIO
PS7801 PP7401
14
OUT
5
PS7801 PP7401
SIF OUT
15
4
TUNER P.C.B.
FROM
P9001
P7402
IEC OUT
DIGITAL
36
P.C.B.
D4005
Q4006
MUTE
Q4007
MUTE
D4006
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)
PK7701 PK7301
MONO
PK7302 PK7702
TUN Rch
43
R OUT
2
54
3
IN
4
PK7701 PK7301
PK7302 PK7702
TUN Lch
25
SIF
L OUT
1
62
1
6
NICAM DECODER P.C.B.
RF OUT
76
(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
MUTE
VCA
+
MIX
40
:REC SIGNAL
:PB SIGNAL
JK3001
REAR JACK
MIX L OUT2
7
MIX R OUT2
6
5
JK3901
21 PIN JACK
AV1 Rch
AUDIO OUT Ch2(R)
72
1
AUDIO OUT Ch1(L)
3
ADC Rch
79
AV2 Rch
AUDIO OUT Ch2(R)
74
1
AUDIO OUT Ch1(L)
3
AV2 Lch
73
AADC R
P7402
ADC Lch
AADC L
P7402
78
AV1 Lch
71
SCL
IIC CLK
88
IC7501-
SDA
IIC DATA
89
IC7501-
5V
2.3V
1.0V
JK3903
OPTICAL
(DIGITAL AUDIO OUT)
7
DMR-ES20EG/EP/EE
Analog Audio Block Diagram
LINE OUT
(L)
AV4
LINE OUT
(R)
AV1
(TV)
AV2
(DECEODER/EXT)
P9001
31
TO
DIGITAL
P.C.B.
DIGITAL AUDIO
BLOCK SECTION
P9001
29
FROM
28
TIMER
SECTION
29
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