LG 60PC1D Service Manual page 16

3. When sound is abnormal
(1) Symptom
1) LED is green.
2) Screen display but sound is not output.
(2) Check following
Is the SPK cable
normal?
Yes
Is the Flat cable
connected well?
Yes
Is the RF(Digital)
sound normal?
Yes
Is the RF(Analog) / AV/
Component L-R sound
normal?
Yes
Is the SPDIF sound
normal?
No
Is the SPK cable
connected well?
No
Cable inserts well.
No
Cable inserts well.
No Yes
Is the MSP4450K
(IC200) normal?
No
Replace the IC200.
No
Is the CS5330A(IC1000),
MC33078(IC1001),
Scaler(IC401) normal?
No
Is the XC95288(IC300),
CS8415A(IC1003),
Scaler(IC401) normal?
Yes
Replace SPK cable.
Yes
Is the NSP2100
(IC400) normal?
No
Replace the IC400.
No
No
Yes
Is the TAS5122
(IC402) normal?
No
Replace the IC402. Replace the IC400.
Replace the IC.
Replace the IC.
Is the Scaler
(IC401) normal?
No
Yes
Replace
VSC Digital B/D.