– 35 –
CD-K491W
7
8
9
10
11
12
Figure 35 SCHEMATIC DIAGRAM (14/20)
ICA19
AK4321
CA59
0.001
CA60
0.1
CA61
0.1
CA62
100/16
CA64
10/16
CA63 10/16
CA65
0.015
CA66
0.015
CA58
220/6.3
CA56 0.047
CA57 10/16
ICA18
RZ38600
DOLBY AC-3/5.1CH MPEG2
AUDIO DECORDER
CA46
0.047
CA39
0.1
CA38
0.1
CA37
0.001
CA40
0.1
CA41
0.1
CA42 0.001
CA47
0.001
CA48 0.1
CA49 0.1
CA43
0.001
CA44
0.1
CA45
0.1
ICA20
AK4321
20BIT 2CH
D/A CONVERTER
CA74 0.001
CA75 0.1
CA76 0.1
CA77
100/16
CA80
10/16
CA79 10/16
CA81
0.015
CA82
0.1
CA73
220/6.3
CA71 0.047
CA72 10/16
CA69
0.015
CA70
0.015
CA88
2.2/50
CA87
0.001
CA84
47P(CH)
8
4
CA86
0.022
CA85
0.022
ICA22 BU4066BCF
MIC/AUX INPUT SELECTOR
4
5
3
8
1
9
2
6
14
11
CA67 10/16
CA68
10/16
7
CA91
0.022
CA92
0.022
1 2 3 4
5
6
7
8
CA54
18P(CH)
CA55
22P(CH)
XA11
12.288MHz
CA53 0.001
CA52
10/16
ICA17
TC7WU04U
DUAL2–INPUT NAND GATE
QA03
KRC107 S
QA02
KRA107 S
QA01
KRC107 S
CA50
100/10
CA96
47/25
CA95
47/25
LA12 18
µ
H
RA63 220
RA64
220
RA41 10K
RA73 220
RA74
220
RA67 220
RA68
220
RA76
100K
RA77 2.7K
RA80 100K
RA49
270
RA48
270
RA59 1M
RA82
100K
RA61
27K
RA62
27K
RA43
10K
RA71
27K
RA72
27K
RA65
27K
RA66
27K
RA78
18K
RA79
1K
RA50
1K
RA51
270
RA52
1K
RA53
1K
RA40
1K
RA42
1K
RA44
270
RA83
100K
RA37 1K
RA04 22
RA03 22
RA06 22
RA05 22
CA93
2.2/50
RA85 3.3K
1
ICB01
NJM4580M
OPE AMP.
3
2
5
6
7
8
4
RA88 22K
RA87 22K
RA89
22K
RA90
22K
RB03
27K
RB04 27K
RB05
100
RB06
100
RB01
22K
RB02
22K
RB07
100K
RB08
100K
CB01
100P
CB02
100P
CB04
0.022
CB03
0.022
LA18 18
µ
H
LA16 18
µ
H
RA56 270
RA57 270
4
5
QB01
2SD2012
VOLTAGE REGULATOR
UN-SWITCHED
RB12
390
RB11
390
CB12 100/10
CB11
47/25
CB13
0.022
ZDB11
MTZJ3.9B
ZDA02
MT ZJ8.2A
ZDA01
MT ZJ8.2A
RA93 680
RA94 680
RA95 680
RA96
680
CB06 220P
CB05 220P
7
5
6
RA60
10K
CB18
0.01
CB17
0.001
B20
001
CB22
0.001
RB09
560
CB27
0.1
CB26
0.001
1
ICA21
NJM4580M
OPE AMP.
2 3
CFWA01
2 3 4 5 6 7 8 9
1
TO MAIN PWB
P25 12-E
CFWU01
FWU02
MAIN PWB
25 12-F
FWA01
DOLBY PWB–G
CKS
DVDD
DIF0
DIF1
BVDD
VREF
DZF
TTL
AVSS
AVDD
RESET
SDA
VDD
SDE
TCK
SCK
TDI
SI
GND
SCKA
WSA
VDD
WSB
SDF
D17
SCKB
D16
SPFTX/SDG
SS
TMS
INT
VDD
D14/RDY
GND
A1
A2
A3
VDD
D13/C/D
D12/ERR
A4
VDD
GPIO5
GPIO4
GND
A5
A6
D11/PP7
GPI03
A7
A8
D10/PP6
A9
A10
A16
L-CH
R-CH
+
–
+3.3V
Vcc
GND
L-CH
DGND
DEM1
DEM0
SW-ON/OFF
SW-CH
C-CH
LS-CH
RS-CH
C-CH
–
+
+
–
R-CH
L-CH
R-CH
+5V
A+12V
AGND
A-12V
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
+B
(1/2)
+B
–B
+B
2
1
3
1
2
3
1
2
3
+B
+B
+B
–B
QA01~QA03:SWITCHING
+B
–B
+B
+B
+B
–B
+B
+B
–B
+B
+B
1
SW IN(SW-OUT)
C IN(C-OUT)
L-OUT
LS IN(LS-OUT)
R-OUT
RS IN(RS-OUT)
AGND
V1/V2
LTIN
RTIN
20
A-12V
AGND
A+12V
+5V(AC3_B)
VGND
+5V(AC3_A)
+5V(AC3_A)
GND(D3)
GND(D4)
DEM0
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
AOUTR
VCOM
AOUTL
+B
+B
20BIT 2CH
D/A CONVERTER
D8/PP4
SELEX7
D7/PP3
D6/PP2
D5/PP1
D4/PP0
SW -CH
C-CH
CA83 2.2/50
RA75 1K
1 2 3 4 5 6 7 8 9
D15
GND
VDD
A11
SO
VDD
GND
D9/PP5
A12
TOO
A13
A14
GND
VDD
A15
GND
SDD
VDD
VDD
P/M
XTO
XTI
GND
VDD
BYPASS
SPFRX
GPIO0
GPIO1
GPIO2
SCKIN
RD
GND
D19
D18
A17
A18
A19
GND
FLTCAP
VCCA
CLKOUT
GNDA
VDD
WR
CS
SDC
SDB
1
2
A0
GND
DEM1
DEM0
DFS
SMUTE
LRCK
SDATA
BICK
PD
XT1
XT0
DVSS
CKS
DVDD
DIF0
DIF1
BVDD
VREF
DZF
TTL
AVSS
AVDD
AOUTR
VCOM
AOUTL
DEM1
DEM0
DFS
SMUTE
LRCK
SDATA
BICK
PD
XT1
XT0
DVSS
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
12
10
13
LS-CH
RS-CH
10
10
10 11 12 13 14 15 16 17 18 19 20
DEM1
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
26 27 28 29 30
25
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
79
80
29
30
51
52
+B
+B
+B
+B
3.3V
3.3V
3.3V
0V
0V
0V
0V
4.0V
1.0V
3.3V
0V
0V
0V
0V
0V
0V
3.3V
1.6V
3.3V
0V
3.3V
1.6V
0V
0V
0V
0V
0V
3.3V
1.7V
0V
0V
1.8V
0V
1.7V
0V
3.3V
3.3V
3.3V
1.7V
1.7V
0V
1.7V
1.7V
0V
0V
0V
3.3V
0V
0V
3.3V
3.3V
0V
3.3V
0V
3.8V
0V
0V
4.6V
4.6V
0V
2.3V
4.6V
4.6V
4.6V
2.3V
2.3V
2.3V
2.3V
0V
0V
0V
0V
0V
0V
0V
7.8V
-7.8V
-7.8V
7.8V
-7.8V
-7.8V
7.7V
7.8V
7.8V
7.8V
5.4V
3.4V
4.0V
0V
0V
0V
-7.8V
7.8V
0V
0V
0V
0V
0V
-7.8V
-7.8V
-7.8V
0V
7.7V
0V
0.1V
0V
1.6V
0V
1.6V
3.9V
2.2V
0V
0V
0V
0V
2.3V
2.3V
4.6V
0V
2.2V
3.9V
1.8V
0V
1.6V
0V
0V
0V