Troubleshooting Guide - LG Flatron M1721A Service Manual
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Also See for Flatron M1721A:
- User manual (41 pages) ,
- Service manual (32 pages) ,
- Brochure (34 pages)
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TROUBLESHOOTING GUIDE
No power
(LED indicator off)
Check 15V or 5V
of Lips
Pass
Check Output of
IC903
Pass
Check LED Assy
Pass
Check P901, P270,
Connector.
:[A]Process
Check short of main B/D
or Change Lips
Fail
Pass
Check Output of
Pass
Change IC903
Fail
Change LED Assy
Fail
- 14 -
Q904
Fail
Change Q904
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