CONFIDENTIAL
LS15N13W/LS17N13W
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
Summary of Contents for LS15N13W
Page 14: ...4 Alignments and Adjustments LS15N13W LS17N13W 4 3 CONFIDENTIAL ...
Page 15: ...Memo 4 Alignments and Adjustments 4 4 LS15N13W LS17N13W CONFIDENTIAL ...
Page 21: ...Memo 5 Troubleshooting 5 6 LS15N13W LS17N13W CONFIDENTIAL ...
Page 22: ...CONFIDENTIAL LS15N13W LS17N13W 6 1 6 Exploded View and Parts List 6 1 1 LS15N13W ...
Page 24: ...LS15N13W LS17N13W 6 3 6 Schematic Diagrams CONFIDENTIAL 6 1 3 LS15N13W Rear 4 2 3 1 ...
Page 26: ...LS15N13W LS17N13W 6 5 6 Schematic Diagrams CONFIDENTIAL 6 2 1 LS17N13W ...
Page 28: ...LS15N13W LS17N13W 6 7 6 Schematic Diagrams CONFIDENTIAL 6 2 3 LS17N13W Rear 4 2 3 1 ...
Page 55: ...8 Block Diagram LS15N13W LS17N13W 8 1 CONFIDENTIAL ...
Page 56: ...8 Block Diagrams 8 2 LS15N13W LS17N13W CONFIDENTIAL Memo ...
Page 58: ...Memo 9 Schematic Diagrams 9 2 LS15N13W LS17N13W CONFIDENTIAL ...
Page 64: ...CONFIDENTIAL 10 Schematic Diagrams 10 6 LS15N13W LS17N13W IC801 2 1 IC805 1 2 ...