Read LG 42LH250C (CHASSIS:LD91Z) Service Manual online
Making
Revision
2009. 2 . 1
LCD TV
Symptom
Clock display Problem
Check the clock cable
Check the “Clock Display” item
on SVC Menu
YES
NO
Replace it
NO
- Replace the “Clock display” item
from No to Yes .
- Select “ Clock Source”
& “Programme”
Re-solder or replace the defect part.
Replace the front clock assy
Check I2C line & output
of IC901 ,902
Check the front clock assy
Replace MAIN B’D IC 100
NO
NO
YES
YES
YES
- Setting that use TTX information & DTV clock information
19~42LH250C
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