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LG 901B User Manual

LG 901B
31 pages
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- 14 -
TROUBLESHOOTING GUIDE
1. NO POWER
NO POWER
(POWER INDICATOR OFF)
TROUBLE IN
BRIDGE DIODE
(D901)
TROUBLE IN
FUSE (F901)
TROUBLE IN
IC901
CHECK
FUSE OK?
CHECK
D901
BRIDGE DIODE?
NO
YES
YES
NO
NO
CHECK
C905(+) VOLTAGE
145VDC at 110V input
310VDC at 220V input
TROUBLE IN
D924, D926, D923,
D922, D921, D920
TROUBLE IN
Q912, Q913, Q915,
Q914, IC905, IC904
YES
NO
CHECK
D924, D926, D923,
D922, D921, D920 ?
YES

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LG 901B Specifications

General IconGeneral
BrandLG
Model901B
CategoryMonitor
LanguageEnglish

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