5 Troubleshooting
5-16
720C/920C
Are signals right?
Signals at Pins 1, 3 and 5 of IC1
are right?
Replace IC1.
Yes
Yes
No
Check Video cable.
No
Signals at CN201 Pins 6, 9 and
CN102 Pin 6 are right?
Check wire dressing and connections.
Check circuits on Main board.
(IC201 and IC261)
Yes
Done
No
Check input signals Pins 1, 2
and 3 of D-SUB connector.
5-2-5 Unsynchronized Image
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 ...