LG CT-29Q90IP User Manual

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pin 10 of IC610(SOUND AMP).
Check the voltage at
pin 8 of IC610.
Check the voltage at
pin 24,25 of IC601.
Check the waveform at
pin 21,22 of IC601.
Check the waveform at
pin 1,3 of IC605.
Check the waveform at
pin 47 of IC601.
Check the waveform at
pin 22 of TU101.
Check the waveform at
FB882,D885.
Check / Replace
IC601,IC602,X601.
Check / Replace
IC610,Q604,Q605.
Check / Replace
IC601.
Check / Replace
P604A,H/P JACK.
Check / Replace
IC605.
Check / Replace
TU101.
Check / Replace
Q112,Q113.
Check / Replace
IC1,Q606.
Check / Replace
TU101.
Check / Replace
Z103,Q111.
Check / Replace
Check the Waveform
at pin 44 of IC601.
3V0V
Check/Replace
IC601,IC602,X601.
Check the waveform
at pin 21 of TU101.
NO
NORMAL
NORMAL
NO
NO
* AM Sound(for FRENCH)
NORMAL
NO FRONT L,R SPEAKER SOUND(PICTURE OK)
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LG CT-29Q90IP Specifications

General

Brand	LG
Model	CT-29Q90IP
Category	TV
Language	English