Read Sharp LC-24LS240EXK (serv.man2) Service Manual online
61
LC-24LS240
2S7SYRH4VSFPIQEX,IEHTLSRI
4VSFPIQ 2SEYHMSEXLIEHTLSRISYXTYX
'LIGO,4HIXIGXTMR[LIR LIEHTLSRIMW'LIGO:C:''ERH:C:''[MXLEZSPXEKI
QIXIV
QIXIV
8. No Sound Problem at Headphone
Problem: No audio at headphone output.
Check HP detect pin, when headphone is connected. Check 5V_VCC and 3V3_VCC with a voltage
meter.
Problem: No audio at headphone output.
Check HP detect pin, when headphone is connected. Check 5V_VCC and 3V3_VCC with a voltage
meter.
7. No Sound Problem
Problem: No audio at main TV speaker outputs.
Check supply voltages of VDD_AUDIO, 5V_VCC and 3V3_VCC with a voltage-meter. There may
be a problem in headphone connector or headphone detect circuit (when headphone is connected,
speakers are automatically muted). Measure voltage at HP_DETECT pin, it should be 3.3V.
Problem: No audio at main TV speaker outputs.
Check supply voltages of VDD_AUDIO, 5V_VCC and 3V3_VCC with a voltage-meter. There may
be a problem in headphone connector or headphone detect circuit (when headphone is connected,
speakers are automatically muted). Measure voltage at HP_DETECT pin, it should be 3.3V.
Click on the first or last page to see other LC-24LS240EXK (serv.man2) service manuals if exist.