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

60
12. RA-4 Video Circuit Troubleshooting
BR BOARD
10
8
6
2
4
IC306
3 CH
8 BIT
ADC
IC303
13.5MHz
PLL
IC466
SYNC
SHIFT
IC301
54M
CLOCK
IC305
TBC
IC644
1 MB
MEMORY
IC645
1 MB
MEMORY
IC562
uP
CONV.
CDX2070Q
IC460
CLOCK
DRIVER
IC463
uP CONVERTER
CXD2062Q
IC641
CLOCK
DRIVER
IC304
uP
CONV.
CXD2071R
2
4
6
8
10
13
14
FROM
CN516
A BOARD
CN302
M-Y
M-B-Y
M-R-Y
8 BIT
Y
8 BIT
C
M-VD
M-HD
8 BIT Y
8 BIT C
CN301
RC-Y
RC-B-Y
RC-HD
RC-VD
TO
A BD.
CN511
NOM Y
BRMI
CN302
13M
27M
12.6TVP14 6/11/02
FIGURE 12-6 - DRC (DIGITAL REALTY CREATION)