Troubleshooting - Samsung LW15M23C Service Manual
Tft-lcd tv ve15eo chassis
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Also See for LW15M23C:
- Owner's instructions manual (61 pages) ,
- Quick start manual (8 pages) ,
- Owner's instructions manual (60 pages)
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5 Troubleshooting
5-1 No Power
Does proper DC 5V/14V appear at
1
Pin 3. Pin 9 of CN100?
Yes
Does proper DC A5V
2
appear at FT144?
Yes
Does proper B3.3V
3
appear at Pin 2 of IC111?
Yes
Does proper DC B1.8V
4
appear at Pin 4 of IC112?
Yes
Does proper DC B8V
5
appear at FT130?
LW15M23C
No
Check CN803 Pin3, Pin9 in I/P Board.
No
Check IC101 and IC105.
No
Check IC111.
No
Check IC112.
No
Check IC109.
5-1
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