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LG Flatron F720B User Manual

LG Flatron F720B
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43
IC401 Pin 23 input is
High Active?
All in/output values are
right?
IC401 Pin 45 and 46
inputs are right?
IC401 Pin 16 input is over
4.2V?
19. Micom Failure
20. OSD Failure
NO
NO
NO
NO
Done.
Change IC302
Check Q903,D908,ZD902
Check X401
Check and replace
R451,C408
Replace IC401.
YES
YES
YES
YES
3 4
- 31 -
IC401, #45
IC401, #46
Waveforms
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LG Flatron F720B Specifications

General IconGeneral
BrandLG
ModelFlatron F720B
CategoryMonitor
LanguageEnglish

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