5 Troubleshooting
AP17K*/AP17J*
5-11
23
1.00 V (IC103, #20, 21, 22)
5-1-19 OSD Failure
IC103 Pin 5, 24 input is 5V?
Check IC103 Pin 7, 8 I
2
C
Data / Clock Line?
Check I
2
C wavefroms.
Yes
Yes
No
Check +5V Line.
No
IC103 Pin 6 and 17
inputs are right?
Check H-FLB 2, V_BLK.
Yes
No
IC103 Pin 20, 21 and 22
outputs are right?
Check and replace IC101.
Check and replace IC103.
Yes
Done
No
22
23
WAVEFORMS
22
1.00 V (IC103, #5, 24)
CH1 P-P = 1.00V
CH1 RMS = 4.516V
Содержание AP17K series
Страница 7: ...2 Product Specifications 2 4 AP17K AP17J Memo ...
Страница 17: ...4 Alignment and Adjustments 4 8 AP17K AP17J Memo ...
Страница 36: ...AP17K AP17J 6 1 6 Exploded View and Parts List ...
Страница 37: ...6 Exploded View Parts List 6 2 AP17K AP17J Memo ...
Страница 55: ...Memo 7 Electrical Parts List 7 18 AP17K AP17J ...
Страница 56: ...8 Block Diagrams AP17K AP17J 8 1 ...
Страница 57: ...Memo 8 Block Diagrams 8 2 AP17K AP17J ...
Страница 59: ...9 PCB Diagrams 9 2 AP17K AP17J Memo ...