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
Check the “Time” item
on user Menu
YES
NO
Replace the “Clock display” item
from No to Yes .
NO
Check the current time establishment
on “Time” item of user menu.
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
- Direct user setting
19~42LH250C
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