LG CT-29Q90IP User Manual

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pin 5 of IC650.
Check the waveform at
pin 8 of IC650.
Check the waveform at
pin 26 of IC601.
Check the waveform at
pin 2 of IC660.
Check the waveform at
pin 8 of IC660.
Check the voltage at
Q601,Q602.
Check / Replace
IC660
Check / Replace
IC601.
Check / Replace
NO CENTER SPEAKER SOUND
(BUT MAIN SOUND OK)
NO WOOFER SPEAKER SOUND
(BUT MAIN SOUND OK)


0V
5V
Q603.
Check / Replace
IC601.
Check / Replace
NORMAL
NO
IC650.
Check / Replace
IC1,Q606.
Check / Replace
0V
3V

LG CT-29Q90IP Specifications

General

Brand	LG
Model	CT-29Q90IP
Category	TV
Language	English