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EB990G-EL
Service manual
Troubleshooting Guide - LG EB990G-EL Service Manual
Color monitor
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NO POWER
(POWER INDICATOR OFF)
CHECK
FUSE OK?
YES
CHECK
D901
BRIDGE DIODE?
YES
CHECK
C905(+) VOLTAGE
145VDC at 110V input
310VDC at 220V input
YES
CHECK
D924, D926, D923,
D922, D921, D920 ?
YES
TROUBLE IN
Q912, Q913, Q915,
Q914, IC905, IC904
TROUBLESHOOTING GUIDE
1. NO POWER
NO
NO
NO
NO
TROUBLE IN
FUSE (F901)
TROUBLE IN
BRIDGE DIODE
(D901)
TROUBLE IN
IC901
TROUBLE IN
D924, D926, D923,
D922, D921, D920
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This manual is also suitable for:
Eb990g-es
Studioworks e900b
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Flatron e900b
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