5 Troubleshooting
5-12
720C/920C
RL601 operation is right?
Q630 base input is right?
Check and replace Q630.
No
No
Yes
Check D-Coil, TH601.
Yes
IC201 Pin 40 output is right?
Check and replace IC201.
Check user function key.
Yes
No
R217 and R630 are right?
Replace R217 and R630.
Done
Yes
No
Check degaussing connector.
5-1-20 Degaussing Failure
5-1-19 User Control Failure
IC201 Pins 35 and 36 inputs are
right at each function.
Check and replace function key.
Check and replace IC201.
Done
Yes
No
Check connector Ass’y.
Содержание 720C
Страница 33: ...720C 920C 6 1 6 1 720C Exploded View and Parts List ...
Страница 34: ...720C 920C 6 2 6 2 920C Exploded View and Parts Lists ...
Страница 79: ...T601 C639 C609 C636 C638 L601 C604 D637 D608 10 1 Power Parts Schematic Diagram 720C 920C 10 1 ...
Страница 80: ...R299 720C 920C 10 2 10 2 MICOM Parts Schematic Diagram ...
Страница 81: ...720C 920C 10 3 10 3 Horizontal Vertical Processor Parts Schematic Diagram R265 C272 R262 ...
Страница 83: ...R561 R562 R501 C530 L521 R523 R526 720C 920C 10 5 10 5 High Voltage Parts Schematic Diagram ...
Страница 84: ...720C 10 6 1 10 6 1 720C Video Parts Schematic Diagram ...
Страница 86: ...720C 920C 10 7 10 7 Connector and Option Boards Parts Schematic Diagram CN142 slcon4p slcon4p CN141 CN208 ...