Read LG 26LG3100 (CHASSIS:LD91M) Service Manual online
Check Procedure at No Sound
① 24V connector contacting statement of Main Board.
② Measure 24V of input voltage supplied by Power Board (If there is no input voltage, remove connector -> check
it out)
it out)
③ Put SPK terminal into tester RX1 -> when touching GND and output terminal, if make Cheuk
Cheuk sound, it is OK.
Standard Repair Process Detail Technical Manual
A22
Established
date
Revised
date
Error
symptom
Content
LCD TV
Voltage and SPK Check Method at Sound Defect
C. Audio error_Sound distortion/cut
A22
2009. 7 .30
①
②
②
③
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