Read LG 42LD320H (CHASSIS:LD91X) Service Manual online
Check the SPDIF Cable
YES
Check MAIN B’D R230
PWM Signal ?
Replace MAIN B’D IC 100
Speaker Audio OK
YES
Check MAIN B’D JK403
Replace MAIN B’D JK403
NO
YES
NO
Check the Trouble Shooting Guide
Related to Audio Problem
NO
Making
전자 - 6-2
Revision
LCD TV
Symptom
SPDIF No Audio Problem
2010. 07 .27
22~42LD320H
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