LG FLATRON W1943SB Service Manual page 17
Xx * means sales region and module type (axxiap: inl 5ms, axxvap: auo 5ms)
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Also See for FLATRON W1943SB:
- Service manual (42 pages) ,
- User manual (34 pages) ,
- Specifications (2 pages)
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Copyright ©2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2. Backlight can't be turned on
No Back light
Is there 14V on PIN9 of
IC501
OK
Check PIN4 of IC501,
Is there 1V?
OK
Check PIN8 of IC501
OK
Check PIN11/14 of IC501
,It have output or not?
OK
Check T501/U501
/C514/C516/C517
NG
NG
NG
NG
17
Check power
supply
Check Q501/Q502
PIN5 of CN801
Check I/F BD
R504/C506
Check
IC501/R508
LGE Internal Use Only
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