LG 26LD320H (CHASSIS:LD91X) Service Manual ▷ View online
Making
전자 - 6-2
Revision
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 IC1400,1404
Check the front clock assy
Replace MAIN B’D IC 100
NO
NO
YES
YES
YES
- Direct user setting
2010. 07 .27
22~42LD320H
Making
전자 - 6-2
Revision
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
2010. 07 .27
22~42LD320H
Making
전자 - 6-2
Revision
LCD TV
Symptom
RJP Problem
Check the “RJP” item
on SVC Menu
YES
Check the supply 12V power
of RJP.(JK409_Pin1)
YES
NO
Replace the “RJP” item
from No to Yes .
NO
Check the supply power.
Replace JK409
Check the JK409
NO
2010. 07 .27
22~42LD320H
Making
전자 - 6-2
Revision
LCD TV
Symptom
IR Out Problem
Check the RS-232C Pin4 / HDMI Pin14
Check the IR waveform
of R1300
YES
NO
Replace it
Check the IR waveform
of IC1100_3,6,11Pin
YES
NO
Replace the Preamp of IR ass’y.
NO
Re-soldering or replace
the defect part
2010. 07 .27
22~42LD320H
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