Sharp CD-BA250 Service Manual page 34

CD-BA250/CD-BA2600
A
B
7
8
C
5
D
E
F
CNS1A
1
2
3
4
5
6
7
1
2
G
3
4
5
6
7
8
CNS2A
H
• The numbers 1 to 12
1
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CD SERVO PWB-C
R7
8
7
6
C49
5
4
C3
Q1
3
E C B
2
1
R9
R10
C5
R11
C7
R12
7
C8
6
C50
5
R5
4
R2
3
2
1
R4
21
20 15 10 5
IC2
25 30 35 40
22 42
4
PICKUP UNIT(306)
CNS1B
RD
1
WH
2
BL
3
WH
4
BL
5
WH
6
BL
7
RD
1
WH
2
GY
3
WH
4
GY
5
WH
6
GY
7
WH
8
CNS2B
are waveform numbers shown in page 38.
2 3
Figure 34 WIRING SIDE OF P.W.BOARD (6/7)
P32 1-B
FROM
DISPLAY PWB
3
CNS8
1 2 3 4 5 6
7 8 9
C51
CNP8
C34
R31
C35
R29
R28
61 60
65
55
70
C6
50
80
75
IC1
5
35
1
10
30
15
25
R1
R6
20
21
R3
1
CNP4
CNP3
6 5 4 3 2 1 6 5 4 3 2 1
2 1
CNS3A
CNS3B
7 1
1
8
4
– 34 –
P31 8-A
FROM
MAIN PWB
CNS601
1 2 3 4 5 6
CNP7
R23
C42
R47
ZD2
Q2 B C E
C18
C48
L1
XL1
R27
R43
R25
C44
C24
C26
41
45
C23
40
R24
R26
C25
R20
R18
R17
R30
1 2 3
Q3 R19
D2
D1
6 5 4 3 2 1
CD MOTOR
6 5 4 3 2 1
PWB-F
6 5 4 3 2 1
SW4
PICKUP IN
M1
SPINDLE MOTOR
5
12
11
10
9
6
6