Read Sharp QT-CD50H (serv.man3) Service Manual online
QT-CD50
– 13 –
Figure 13 SCHEMATIC DIAGRAM (5/5)
7
8
9
10
11
12
CONTROL
CD/SIGNAL
NON
FOK
XLON
LRCK1
LRCK
WDC
WFO
EMPH1
EMPH
CD SIGNAL
R-CH
GND
L-CH
MUTE
GND
+8V
FROM
VOLUME
PWB
CNS463
P9 7-H
VOLUME
PWB
CNS463
P9 7-H
(2/2)
(1/2)
SQSO
EXCK
SBSO
SCOR
ZEROL
ZEROR
DTS1
VDD1
LPWM
NLPWM
AVDD2
AVDD3
XTA1
XTA0
AVSS3
AVSS2
NRPWM
RPWM
DTS2
DTS3
ASYE
ASY0
ASY1
BIAS
RF
AVDD1
CLTV
AVSS1
VDD
PCO
FIL1
FIL0
TEST1
LOCK
MDS
MD
SPOD
SPOC
SPOB
TEST2
CLK0
XLT0
DAT0
CNIN
SEIN
VSS
CLOK
XLAT
DATA
XRST
SENS
MUTE
SQCK
DOUT
C4M
FSTT
MNT0
MNT1
MNT3
XROF
C2P0
VSS1
RFCK
GFS
XPCK
XUGF
GTOP
BCK1
BCK
PCMD1
PCMD
8
1
5
1
1
2
SW1
DISC IN
10/10
C129
47/10
C131
0.0015
C140
22
23
24
43
42
41
64
63
62
+B
220P
C177
100P
C153
33K
R153
5.1K
R144
10K
R172
33K
R187
100P
C161
100P
C156
33K
R149
8
4
10K
R134
IC104
KA4558N
MIC AMP.
33K
R155
100P
C157
220P
C180
100K
R160
100K
R161
CNP402
3
2
1
2
1
4
6
5
5
100
R183
100
R184
2.2/50
C165
2.2/50
C166
100
R158
100
R157
33K
R151
33K
R148
3
2
1
150
R147
100/10
C158
100/10
C164
100/10
C170
5.6K
R154
100P
C163
100P
C160
33K
R156
33K
R152
7
6
5
10K
R174
10K
R170
33K
R185
33K
R188
10K
R145
3.3K
R186
100P
C162
100P
C154
33K
R150
10
µ
H
L103
0.047
C141
10K
R136
3.3K
R135
C106 0.0068
220P
C142
1M
R137
100/10
C178
10K
R139
100K
R138
0.47/50
C143
0.01
C145
0.1
C147
100/10
C170
18K
R127
10K
R128
0.1
C136
220/10
C138
220/10
C137
10
µ
H
L101
100/10
C130
0.01
C175
0.01
C175
0.01
C172
8.2K
R125
82K
R124
K
3
18P
C151
18P
C150
0.1
C148
0.1
C149
33.8688MHz
X101
2.7K
R141
0.1
C173
270P
C176
4 3 2 1
CXD2508AQ
IC103
80
79
78
77
76
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
25
26
27
28
28
15
16
17
18
19
20
21
22
23
24
8
14 13 12 11 10
9
7 6 5 4 3 2 1
3.3/50
C128
15K
R122
30K
121
10
µ
H
L102
100
R182
22
R163
0.1
C174
0.1
C171
+B
R175
100K
R132
TO LCD PWB
P11 6-D
TO LCD PWB
P11 6-E
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