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CONFIDENTIAL
NK15A*/NK17A*
5-1
5 Troubleshooting
5-1 No Power
Does proper DC 14V appear at DC
jack connected to CN801?
Check SMPS PCB and Adapter.
Yes
No
No
No
No
No
Does proper DC 3.3V_A
appear at FT852?
Check IC801. (#2)
Yes
Does proper DC 2.5V_A
appear at Pin 3 of IC802?
Check IC802.
Yes
Does proper DC 3.3V_B
appear at FT822?
Check IC805. (#1)
Yes
Does proper DC 2.5V_B
appear at Pin 3 of IC806?
Check IC806.
WAVEFORMS
IC801 #2
1
IC805 #1
2
1
2
Содержание NK15A Series
Страница 14: ...4 Alignments and Adjustments NK15A NK17A 4 3 CONFIDENTIAL ...
Страница 15: ...Memo 4 Alignments and Adjustments 4 4 NK15A NK17A CONFIDENTIAL ...
Страница 21: ...Memo 5 Troubleshooting 5 6 NK15A NK17A CONFIDENTIAL ...
Страница 22: ...CONFIDENTIAL NK15A NK17A 6 1 6 Exploded View and Parts List 6 1 NK15A ...
Страница 23: ...6 2 NK17A 6 Exploded View Parts List 6 2 NK15A NK17A CONFIDENTIAL ...
Страница 105: ...8 Block Diagram 8 1 NK15A NK17A NK15A NK17A 8 1 CONFIDENTIAL ...
Страница 106: ...8 Block Diagrams 8 2 NK15A NK17A CONFIDENTIAL 8 2 NK15A NK17A ...
Страница 108: ...Memo 9 Schematic Diagrams 9 2 NK15A NK17A CONFIDENTIAL ...
Страница 112: ...CONFIDENTIAL 10 Schematic Diagrams 10 4 NK15A NK17A X201 4 ...
Страница 114: ...CONFIDENTIAL 10 Schematic Diagrams 10 6 NK15A NK17A IC801 2 1 IC805 1 2 ...