Sony BVW-55 Maintenance Manual page 747

BVW-55
A B
5V
8 6 4 2
5V
RB1
CN1(1/7)
1 DIGITAL +5.0V
7 5 3 1
CN1(2/7)
2 LCD DATA
CN1(3/7)
3 LCD CLOCK
CN1(4/7)
4 LCD CE
CN1(5/7)
5 LCD INT
R2 100
CN1(6/7)
6 LIGHT ON
CN1(7/7)
7 GND
R3
D3 LYA676Q 330
D1 D2
LYA676Q LYA676Q
C D
DP-277 DP-277
IC1
LC75821W
38 1
S1
S37 S1
39 2
S2
S38 S2
40 3
S3
S39 S3
41 4
S4
S40 S4
42 5
S5
S41 S5
43 6
S6
S42 S6
44 7
S7
S43 S7
5V
45 8 S8
S44
S8
56 9
S9
VDD S9
10
S10
S10
11
S11
S11
12
S12
S12
13 S13
S13
14
S14
S14
15
S15
S15
58 16
S16
VLED S16
17
S17
S17
24 18 S18
NC S18
63 19
S19 S20
C1
COM2 S19
0.1
20
S20 S21
S20
21
S21 S22
S21
59 22
S22 S23
VSS S22
23 S23 S24
S23
62 25
S24 S25
DATA S24
61 26
S25 S26
CLOCK S25
60 27
S26 S27
CE S26
57 28
S27 S28
INH S27
46 29
S28 S29
S45 S28
47 30
S29 S30
S46 S29
48 31
S30 S31
S47 S30
49 32
S31 S32
S48 S31
50 33
S32 S33
S49 S32
51 34
S33 S34
S50 S33
52 35
S34 S35
S51 S34
53 36
S35 S36
S52 S35
54 37
C2 S36 COM
S53 S36
680p
55 64 COM
OSC COM1
R1
51k
4-53 4-53
E
LCD1
OVER EMPHA OVER
20 1
S1
0
21 2
S2
22 3
S3
23 4
S4
24 5 S5
10
25 6
S6
26 7
S7
27 8
S8
20
28 9
S9
29 10
S10
30 11
S11
30
31 12
S12
32 13
S13
33 14
S14
40
34 15
S15
35 16
S16
00
36 17
S17
37 18
S18
3 4
PEAK DB
19 S19
AUDIO METER LCD
DP-277
BOARD NO. 1-667-543-14
LOT NO. 812-
B-#BVW55-DP277-14@
F G
1
2
3
4
5
H