62
12. RA-4 Video Circuit Troubleshooting
BM BOARD
BR BOARD
BD BOARD
A BOARD
20
18
16
14
OR
13
9
12
10
8
6
4
2
6
7
8
9
15
2
1
12
3
13
64
63
62
61
35
37
39
41
59
65
66
36
38
40
67
68
69
33
31
45
46
47
48
32
29
49
50
51
52
28
Q524, Q540
BUFFER
Q516, Q539
BUFFER
Q510, Q538
BUFFER
Q501
BUFFER
Q503 - Q505
AMP, BUFF.
1
2
6
5
1
3
5
8
7
6
7
3
CN002
CN513
YS
CN301
CN511
CN1702
RE-YS
RE-R
RE-G
RE-B
CN522
FROM Q1012/E
FROM Q1002/E
FROM Q1001/E
FROM Q1003/E
FROM IC1008/61
0 SYNC SEL
Q546
Q530
MID XRC
VD
HD
MID HD
MID VD
RC HD
RC VD
IC509
SYNC SW
EY IN
ECB IN
ECR IN
TCACR SW
R OUT
G OUT
B OUT
IK IN
VM OUT
VI IN
HI IN
R S/H
G S/H
B S/H
CRI IN
CBI IN
HP IN
YI IN
SCP
SY/SM IN
LR1 IN
LG1 IN
LB1 IN
VBIK
HS OUT
YS/YM2
LR2 IN
LG2 IN
LB2 IN
VS OUT
IC511
VIDEO PROCESSOR
CXA2101AQ
C622
C617
C611
R635
0 OHMS
OR
Q620,Q525,
Q560
+5V
CN503
TO CN701
CR BOARD
TO CN4102/2
CB BOARD
FROM CN509/9
HBLK (HP)
IC510
FROM IC512/36
VTM
TO I507/1
H JUNGLE
TO IC512/22
VDSP
IC516
BUFFER
TC7W08
12.8TVP14
6/10/02
FIGURE 12-8 - VIDEO PROCESSOR
