Service manual
Table Of Contents
- 1. Introduction
- 2. The RA-3/3A Chassis
- 3. RA-3/3A Power Supply Troubleshooting
- 4. RA-3/3A Shutdown and Self-Diagnostics
- 5. RA-3/3A Deflection Circuits
- 6. RA-3/3A Video Process Troubleshooting: T & S Models
- 7. Troubleshooting the RA-4 Chassis
- 8. RA-4/4A Power Supply Troubleshooting
- 9. RA-4/4A Protect Circuit Troubleshooting
- 10. RA-4/4A Deflection Circuit Troubleshooting
- 11. RA-4/4A High Voltage Circuit Troubleshooting
- 12. RA-4 Video Troubleshooting
- 13. Troubleshooting the RA-4A Chassis
- 14. RA-4A Video Circuit Troubleshooting
- 15. Troubleshooting the RA-5A Chassis
- 16. RA-5A Power Supply Troubleshooting
- 17. RA-5A Protect Circuit Troubleshooting
- 18. RA-5A Deflection Circuit Troubleshooting
- 19. RA-5A High Voltage Circuit Troubleshooting
- 20. RA-5A Video Path Troubleshooting
- 21. Troubleshooting the RA-6 Chassis
- 22. RA-6 Power Supply Troubleshooting
- 23. RA-6 Protect Circuit Troubleshooting
- 24. RA-6 Deflection Circuit Troubleshooting
- 25. RA-6 High Voltage Circuit Troubleshooting
- 26. RA-6 Video Circuit Troubleshooting
- 27. Troubleshooting the AKB Circuits
- 28. Auto Registration Troubleshooting
- 29. Model-to-Chassis Cross Reference
59
12. RA-4 Video Circuit Troubleshooting
A BOARD
24 28 4 27
1
2
3
5
6
7
9
10
11
20
12 13 14 8
22
16
17
18
C1482
FROM Q1343
FSC DETECT.
FROM Q1366/E
COMPOSITE
VIDEO Y
FROM IC1305/18
C1457
FROM IC1305/19
C1456
FROM IC1305/20
C1455
IC1305 IS
MAIN CHROMA
DECODER
FROM VIDEO 5
COMPONENT
INPUT
C1467
C1466
C1465
C1472
C1471
C1470
FROM IC1008/32
FROM IC1008/33
FROM IC1008/34
FROM IC1008/36
IC1008 IS MAIN CPU
R1530
C1464
C1463
R1503
FROM IC1305/16
SCP
C1462
DVD Y CV Y SEL Y
Y1 IN
CB1 IN
CR1 IN
Y2 IN
CB2 IN
CR2 IN
Y OUT
CB OUT
R IN
G IN
B IN
YS
YC1 P
CBCLP
CRCLP
CLPP
CR OUT
Q1328
+9V
N
R1538
TO Q1324
CCD BUFFER
TO IC1305/34
MAIN CHROMA
+9V
Q1325
R1320
N
R1527
TO CN516/10 BR
& CN518/1 BM
R1309
+9V
R1537
Q1326
R1528
R1536
R1536
N
TO CN516/8 BR
& CN518/3 BM
R1529
+9V
Q1327
N
R1308
TO CN516/6 BR
& CN518/5 BM
R1521
12.5TVP14 6/7/02
FIGURE 12-5 - MAIN YUV SWITCH AND CCD MIX
IC1307
MAIN YUV SWITCH
CXA2119M