Service manual
CD-C492/492C
– 40 –
Figure 40 SCHEMATIC DIAGRAM (15/20)
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
A
B
C
D
E
F
G
H
1
23456
I
Z
R
DOLBY
MPE
G
DE
C
CA46
0.1
CA39
0.1
CA38
0.1
CA37
0.001
CA47
0.001
CA48
0.1
CA49
0.1
CA27
10/16
CA28
0.1
1
2
3
ICA15
74HCU04F
INVERTER
CA34
0.1
CA33
10/16
ICA16
74HC153F
SELECTOR
CA24
0.1
CA23
10/16
CA25
10/16
ICA13
AK4520A
20 BIT 2 CH A/D
D/A CONVERTER
ZDH51
MTZJ9.1B
QH51
KTC3199 GR
CH60
1000/10
CH59
47P(CH)
ICH51
NJM2246M
OPE AMP.
+SW
CH61
0.001
DH51
1SS133
DH52
1SS133
LH52
1µH
LH51
1µH
QH52
KRC102 S
CH53
22/25
CH55
22/25
CH51
0.022
CA36
0.1
CA35
10/16
1
2
3
CA15
10/16
CA13
0.1
5
6
7
4
8
CA17
10/16
CA19
0.1
CA21
0.0015
1
2
3
CA16
10/16
CA14
0.1
5
6
7
4
8
CA18
10/16
CA20
0.1
CA22
0.0015
JA11
JH51
CA50
100/10
CA96
47/25
CA95
47/25
LA14
10µH
LA12
0.82µ
DA11
1SS133
DA12
1SS133
RA41
10K
RA49
270
RA48
270
RA29
47K
RA30
2.2K
RA33
2.2K
RA32
47K
RH56
2.2K
RH57
47K
RA11
47K
RA19
10K
RA21
10K
RA12
47K
RA20
10K
RA22
10K
RA50
1K
RA52
1K
RA53
1K
RA40
1K
RH53
100
RA13
10K
RA17
10K
RA15
10K
RA09
330
RA25
10K
RA23
330
RA14
10K
RA18
10K
RA16
10K
RA10
330
RA26
10K
RA24
330
RA91
47K
RA92
47K
CH56
47/25
CH57
0.022
LA13
0.82µH
CA51
100/10
RA39
1K
RA36
1K
RA37
1K
RA34
1K
RA35
1K
DA13
1SS133
DA14
1SS133
RA07
10K
RA08
10K
RH62 150
RH61 150
CH52 220P
CH54 220P
RH64 150
RH63 150
CH58
0.047
RH67
390
RH68
470
RH66
150
RH65
120
RA02
22
RA01
22
RA27
150
RA28
150
LH53
100µH
RH58
47K
LA16
0.82µH
RA56
270
RA57
270
RA54
270
RA55
270
QH53
KRC102 S
LA17
0.82µF
CA97
0.1
CA98
10/16
QB01
2SD468 C
RB12
390
RB11
390
CB12
100/10
CB13
0.022
ZDB11
MTZJ3.9B
ZDA02
MTZJ8.2A
ZDA01
MTZJ8.2A
RA93 680
RA94 680
RA95 680
RA96
680
DA16
1SS13
DA15
1SS133
CA32
0.1
CA30
0.1
CA11
22/16
CA12
22/16
RA60
10K
LA11
0.82µ
CB14
0.001
CB19
0.001
CB16
0.001
CB15
0.001
CB20
0.001
CA26
0.1
CB21
0.001
CB22
0.001
CB23
0.001
SDB
VDD
RESET
SDA
VDD
SDE
TCK
SCK
TDI
SI
GND
SCKA
WSA
VDD
WSB
SDF
D17
SCKB
D16
SPFTX/SDG
D15
A0
GND
SS
TMS
INT
VDD
D14/RDY
GND
A1
A2
A3
VDD
D13/C/D
COAXIAL
DIGITAL-IN
OPTICAL
Vcc
GND
1G
B
1C3
1C2
1C1
1C0
1Y
2Y
2C0
2C1
2C2
2C3
A
2G
GND
Vcc
VREFH
VREFL
AINR+
AINR–
AINL+
AINL–
VA
AGND
DIF1
DIF0
LRCK
SCLK
SDTI
SDTO
VCOM
PWAD
PWDA
DGND
VD
TST1
DEM1
DEM0
MCLK
L-CH
R-CH
MONITOR OUT
+
–
+
–
+
–
+
–
CD D-IN
V1/V2
VIDEO2 IN
VIDE01 IN
DVD1 IN
DVD2 IN
DGTL2
PWAD
RESET(ZR)
SI
SS
SO
DGND
+3.3V
SCK
DGTL1
DEM1
DEM0
SW_ON/OFF
GND(V)
A+12V
AGND
A-12V
1
BIA11
2
TO MAIN PWB
P28 3-C
CNPR12
1 2 3 4
5
6
7
8
9
10
11
12
13
14
1 2 3 4
5
6
7
9
10
11
12
13
14
8
15
16
1 2 3 4
5
6
7
8
9
10
11
12 13
14
15
16
17
181920
21
22
23
24
25
26
27
28
AOUTR
AOUTL
CMODE
TST2
TST3
1 2 3 4
5
6
7
8
9
1
3
121110
6
8
697071727374757677787980
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
81
GNDA
FLTCAP
VCCA
GND
CLKOUT
D19
D18
A17
A18
A19
82
81
82
SDC
GND
1
2 3 4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
1 2 3 4
5
6
7
8
9
1
0
AGND
RTIN
SW IN(SW OUT)
C IN(C OUT)
RS IN(RS OUT)
LS IN(LS OUT)
L OUT
R OUT
LTIN
V1/V2
1
1
CFWA02
FWA2
SCK
SI
DGTL2
DGTL1
VGND
A+12V
A-12V
AGND
DEM1
DEM0
+5V(AC32B)
+5V(AC32A)
+5V(AC32A)
GND(D3)
GND(D4)
SP CONF
SO
SS
AD RES
AC32RES
TO MAIN PWB
P31 12-F
TO MAIN PWB
P3112-E
CFWU1
CFWU2
1 20
+B
+B
+B
+B
+B
–B
+B
1
2
3
1
2
3
1
2
3
4
5
6
7
8
ICA11
NJM4580M
OPE AMP.
ICA12
OPE AMP.
NJM4580M
+3.3V
ICA14
GP1F38R
TERMINAL
2
1
CNSA11
1.7V
1.7V
1.6V
1.7V
0V
0V
0V 0V
0V
0V
0V
0V
0V
0V
3.4V
3.4V
2.8V
2.7V
1.7V
1.7V
3.9V
3.9V
3.3V
1.0V
1.6V
1.6V
3.3V
3.3V
4.6V
4.6V
2.3V
2.3V
2.3V
2.3V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
1.6V
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
4.7V
4.7V
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
0V
2.3V
0V
2.3V
2.3V
5.1V
4.3V
5.0V
5.0V
4.2V
11.9V
4.5V
0V
0V
0V
4.3V
4.2V
0V
0V
3.4V
4.0V
5.4V
0V
0V
0V
0V
0V
3.3V
3.3V
3.3V
3.8V
0V
0V
0V
3.3V
3.3V
3.3V
1.6V
1.6V
1.6V
1.6V
1.0V
4.0V
0V
0V
0V
0V
0V
0V
0V
0V
3.3V
0V