CONFIDENTIAL
5 Troubleshooting
5-18
CF21G*
5-2-9 No Operating High Light Zone
Does not the High Light
Zone appear?
Are the waveforms right
on IC101 Pin 14 and 15?
Yes
Yes
Yes
Done.
No
Check connection Assy (CN102).
No
Is the waveform right on
IC101 Pin 18?
Check and replace IC103.
No
Done.
Check and replace IC105?
Yes
Change the video signal
to windows pattern.
21
22
WAVEFORMS
21
IC101, #14, 15
22
IC101, #18
Summary of Contents for CF21G Series
Page 32: ...CONFIDENTIAL CF21G 6 1 6 Exploded View and Parts List ...
Page 33: ...Memo 6 Exploded View Parts List 6 2 CF21G CONFIDENTIAL ...
Page 61: ...CONFIDENTIAL Memo 8 Block Diagrams 8 2 CF21G ...
Page 63: ...Memo 9 Wiring Diagram 9 2 CF21G CONFIDENTIAL ...
Page 65: ...CONFIDENTIAL 10 Schematic Diagrams 10 2 CF21G 1 368 V IC601 1 ...