Service manual
– 37 –
CD-K491W
7
8 9 10 11 12
Figure 37 SCHEMATIC DIAGRAM (16/20)
XD01
0031
LD01
2.2µH
CD06
0.001
SWD01
VOLUME
JOG SW
0
.
001
CD07
0.001
CD08
0.001
SWD02
JOG
CD02
100/10
CD01
0.022
RD36 1K
RD40 1K
RD39 1K
RD41 1K
RD42 1K
RD44 1K
RD38 1K
RD37 1K
RD43 1K
RD35 1K
RD34
820
RD33
1K
RD32
1K
RD31
1K
ICD01
IX0234AW
SYSTEM
MICROCOMPUTER
RD64
10K
RD65
10K
RD60
10K
RD61
10K
RD45 1K
LEDD25
LMKD515B
LEDD26
LMKD515B
LEDD27
LMKD515B
LEDD28
LMKD515B
LEDD23
LMKD515B
LEDD24
LMKD515B
RD70
820
RD71
820
RD72
820
QD12
KRC107 M
QD11
KRC107 M
QD10
KRC107 M
RD28
1K
SWD39 SWD41 SWD42
SWD48
RE42
1K
RE43
1.2K
RE44
1.8K
RE52
1K
RE41
8.2K
RD27
1K
RD26
1K
SWD53 SWD52 SWD51 SWD50
RE56
3.9K
RE55
2.2K
RE54
1.8K
SWD54
RE57
5.6K
RE53
1.2K
RD29
10K
RD62
8.2K
SWD40 SWD43
RE45
2.2K
REMOCON
VDD
VSS
JOG DOWN
JOG UP
VDD
–29(VP)
XCOUT
XCIN
VOL JOG DOWN
VOL JOG UP
AN2
AN3
VDD3
S3
S2
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
VP
S16
S17
S18
S19
PG0
VDD4
S39
RESET
VDD
DISC2
DISC1
DISC3
DISC 1
DISC 2
DISC 3
DVD/VIDEO 1
TAPE
1/2
TUNER
/BAND
CD
DVD/VIDEO 2
G15
G14
G13
G12
G12
G11
G10
G9
G8
G7
G6
G5
G4
G3
G2
G1
S27
S26
S25
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S19
6
7
8
11 12 13 14
9
10 16 17 18 1915 20 21 23 24 25 26
27
22 28 29 30 32 33 34 3531 36 37 39 40 41 42
43
38 44 45 47 48 49 50
51
52 53 54 55
56 57
46
NC
NC
F2
F2
1G
2G
8G
7G
6G
5G
4G
3G
9G
10G
11G
12G
15G
NC
NC
NC
NC
NC
NC
NC
S27
S26
S25
S24
S23
S22
S21
S20
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
KEY4
KEY1
KEY2
KEY5
KEY6
TUN-SET
AUD-SET
POWER /
STAND-BY
SWD49
KARAOKE
DISK 1
DISK 2
DISK 3
DISC3
OPEN/
CLOSE
DISC
SKIP
DISC2
S24
LEDD23~LEDD28
VHPLMKD515B-1T
+B
–B
+B
1
2
3
1
1
2
2
3
3
DISC 3
DISC 2
DISC 1
+B
+B
2 3 4
5
6
1
WHD01
FWD01
1
6
+B
SWITCH PWB-C2
7
8
9
10 11
12
13 14
15
16
17
18 19 20
21
22
23 24 25
26 27
28
29
30
31
32
S2
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
50
51525354555657585960616263646566676869
70
717273
7
4
81
100
SCK1
31
S1
13G
14G
KEY3
S41
S40
S38
S37
S36
S35
S34
S33
S32
S31
S30
S29
S28
S27
S25
S24
S23
S22
S21
S20
S26
P34
P35
P37
/RES
P74
P75
VSS1
CF1
CF2
VDD1
AN0
AN1
INT0 FL-SET
P36
AN4
AN5
AN7
INT1
INT2
INT3
S0
AN6
DISC1
JOG PWB-C4
(0V)
(0V)
(0V)
(4.0V)
(4.0V)
(4.0V)
(1.7V)
(1.9V)
(0V)
(0.4V)
(0V)
(0V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-29V)
(-26V)
(-30V)
(-30V)
(-26V)
(-28V)
(-23V)
(-28V)
(0V)
(0V)
(0V)
(-28V)
(-26V)
(-30V)
(-21V)
(-30V)
(-30V)
(-30V)
(-30V)
(-30V)
(-30V)
(-28V)
(-30V)
(4.1V)
(-28V)
(
-
30V)
(0V)
(-21V)
(-30V)
(-30V)
(4.0V)
(4.0V)
(4.0V)
(4.0V)
(4.0V)
(4.0V)
(4.0V)
(4.0V)
(3.5V)
(4.0V)
(0V)
0V
0V
V