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
61
12. RA-4 Video Circuit Troubleshooting
BM BOARD
IC003
MAIN ADC
IC002
ACH
PLL
IC008
C CH
PLL
IC001
MEMORY
IC009
MID
CPU
IC005
NVM
IC014
SBADC
B CH
PLL
IC013
MEMORY
IC010
MID
CONTROLLER
1
3
5
7
8
12
19
20
1
3
5
7
8
10
11
12
13
14
16
18
20
CN001
M-Y
M-R-Y
M-B-Y
M VD
M HD
VP
MSCL
MSDA
MID 12C
CN002
S-Y
S-B-Y
S-R-Y
S-HD
S-VD
MID-V
MID-H
MID Y-S
MID R-Y
MID B-Y
MID Y
12.7TVP14 6/10/02
FIGURE 12-7 - MID BLOCK