Read LG 37LD333H (CHASSIS:LA06H) Service Manual online
AV/Component/RGB-PC Audio(in)Trouble shooting guide
Check JK3100, JK1102.
Can you see the normal waveform?
Can you see the normal waveform?
NO
JK3801, JK1102. may have problem. Replace this Jack.
YES
Check the input of Mstar(IC101).Measure waveform at
C236,C237,C238,C239,C4059,C4060,C244,C245
because it’s more easy to check. Can you see the normal waveform?
C236,C237,C238,C239,C4059,C4060,C244,C245
because it’s more easy to check. Can you see the normal waveform?
NO
After checking audio signal line, you should decide to replace item or not.
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