Display Board - Sony CDP-XA555ES Service Manual

Compact disc player
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IC601 CXD9521Q
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
5V I/O
3.3V/
NSCKSEL
65
5V/
MCKSEL
66
I/O
CLKVDD
67
LVCKO2
68
LVCKO1
69
L CH D/F
LVCKO0
70
CLKVSS
71
L CH PWM
GENERATOR
VSUB (D)
72
VSUB (C)
73
VDD2
74
VDD
75
L1 (–)
76
L CH
NC
77
PWM BUFFER
VSS
78
L1 (+)
79
VSS2
80
1
2 3 4 5 6 7 8 9
– DISPLAY Board –
IC801, 802, 803 LC7570E
48
47
46
45 44 43 42 41 40 39 38 37
NC 1
2
BLK
3
VSS
SIN
4
5
SHIFT REGISTER
S33
6
S32
7
S31
A/D CONVERTER
S30
8
9
S29
10
S28
LATCH, FL DRIVER
11
S27
S26
12
13
14
15
16
17 18 19 20 21 22 23 24
5V I/O
CLOCK
GENERATOR
R CH D/F
R CH PWM
GENERATOR
MASTER CLOCK
R CH
GENERATOR
PWM BUFFER
10 11 12 13 14 15
16
17
18 19 20 21 22 23 24
36
S5
35
S6
34
S7
33
S8
32
S9
31
S10
30
S11
29
S12
28
S13
27
S14
26
S15
25
S16
40
CTLVDD
39
MUTE
38
SYNC
3.3V/
5V/
MODE
37
I/O
36
FIL2
35
FIL1
34
CTLVSS
33
VSUB (D)
32
VSUB (C)
31
VDD2
30
VDD
29
R1 (–)
28
NC
27
VSS
26
R1 (+)
VSS2
25
41

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