LG LPC-LM440A/X User Manual

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• MUTING CIRCUIT(MUTE)
• FUNCTION MODE AUDIO ABNORMAL
Dose “HIGH ”appear at
Q601,Q651,Q256(SUB-W)“B ”
Check the “HIGH ”of the
IC101 Pin 9,47
Check the IC101
Check the pattern
Replace the Q601,Q651,
Q256
Check the signal input of PN251
“R-CH ”“L-CH ”
Check the CD B`D
Check the “LOW ”of Q601,
Q605,Q256 “E ”
MUTE
TAPE FUNCTION
Check the signal input
of IC301 Pin 3,26
Refer to “TAPE Trouble Shooting ”
CD FUNCTION
MUTECheck the signal input of
IC301 Pin 6,23
TUNER FUNCTION
Check the signal input of IC301
Pin 4,25
Refer to “Tuner Pack Trouble
Shooting ”
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES

LG LPC-LM440A/X Specifications

General

Brand	LG
Model	LPC-LM440A/X
Category	Stereo System
Language	English