SAMSUNG AQ17IS
Instrukcja Serwisowa

5 Troubleshooting

5-2-9 No Operating High Light Zone
Change the video signal to windows pattern.

WAVEFORMS
21 IC101, #14, 15

Does not the High Light Zone appear? Yes
21 22

No

Done.

Are the waveforms right on IC101 Pin 14 and 15 (19�:IC105 Pin 14 and 15). Yes

No Check connection Assy (CN102). 22 IC105, #14, 15

23

Is the waveform right on IC101 Pin 18 (19�: IC105 Pin 18). Yes Check and replace IC105 (19�: IC101) Yes Done.

No

Check and replace IC103 (19�: IC103).

23 IC105, #18

AQ17HS/AQ17IS/AQ17NS AQ19MS/AQ19IS/AQ19NS/AQ19FS

5-19