Read Sharp CD-C491H (serv.man3) Service Manual online
– 41 –
CD-C491H
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8
9
10
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Figure 41 SCHEMATIC DIAGRAM (14/20)
XD01
LD01
2.2
µ
H
CD06 0.001
SWD01
VOL JOG SW
CD05 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
RD59
00K
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
RE51
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
RD63
1K
SWD40 SWD43
RE45
2.2K
SWD44
RE46
3.9K
RE47
5.6K
RE48
12K
SWD45 SWD46
RE49
27K
SWD47
REMOCON
VDD
VSS
JOG DOWN
JOG UP
VDD
–29(VP)
XCOUT
XCIN
VOL JOG DOWN
VOL JOG UP
AN2
(0V)
AN3
(4V)
(4.0V)
VDD3
(-29V)
S3
S2
(-29V)
(-29V)
S4
(-29V)
S5
(-29V)
S6
(-29V)
S7
(-29V)
S8
(-29V)
S9
(-29V)
S10
(-29V)
S11
(-29V)
S12
(-29V)
S13
(-29V)
S14
(-29V)
S15
VP
(-30V)
(-26V)
S16
(-30V)
S17
(-21V)
S18
S19
(-30V)
R
(0.4V)
G
(9.0V)
-R
(10.8V)
-G
(0.6V)
-R
(10.8V)
-G
(-6V)
(10.8V)
(0.6V)
D-R
(0V)
D-G
PG0
(0V)
(4.1V)
VDD4
(-30V)
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
S2
S1
NC
NC
S19
3
4
5
6
7
8
11 12 13 14
9
10
16 17 18 19
15
20 21
23 24 25 26 27
22
28
29 30
32 33 34 35
31
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
S1
NC
NC
KEY4
KEY1
KEY2
KEY5
KEY6
TUN-SET
AUD-SET
POWER
DISK 1
DISK 2
DISK 3
DISC3
OPEN/
CLOSE
DISC
SKIP
DISC2
KEY5
S24
KEY6
LEDD23~LEDD28
VHPLMKD515B-1T
RDS
PTY PT
RDS
EON
RDS
DISPLAY
+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
DISPLAY PWB-C
4 5 6 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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
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
7
81
100
SCK1
(0V)
31
S1
(0V)
13G
14G
KEY3
(0V)
S44
(0V)
S43
(-28V)
S42
(-30V)
S41
(-28V)
S40
(-28V)
S38
(-30V)
S37
(-30V)
S36
(-30V)
S35
(-30V)
S34
(-30V)
S33
(-30V)
S32
(-21V)
S31
(-30V)
S30
(-26V)
S29
(-28V)
S28
(0V)
S27
(0V)
S25
(-28V)
S24
(0V)
S23
(-23V)
S22
S21
(-28V)
S20
(-26V)
(0V)
S26
P31
(0V)
P32
(0V)
P33
(0V)
P34
(0V)
P35
(0V)
P37
(0V)
/RES
(4V)
P74
(4V)
P75
(4V)
VSS1
(0V)
CF1
(1.7V)
CF2
(1.9V)
VDD1
(4V)
AN0
(0V)
AN1
(0.4V)
INT0 FL-SET
(0V)
P36
(0V)
AN4
(4V)
AN5
(4V)
AN7
(4V)
INT1
(4V)
INT2
(4V)
INT3
(3.5V)
S0
(0V)
AN6
(4V)
RDS
ASPM
DISC1
JOG PWB-C4
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