All Source Audio Trouble Shooting - LG 60PB5600 Service Manual

9. All Source Audio Trouble Shooting

Make sure you can't hear any audio
Y
Check Speaker
Y
Check Connector P1000
Y
Check Signal
L1004,L1005,L1006,L1007
Y
Check IC1000 Power
17V, 3.3V
Y
Check Reset signal
R1003
Y
Check Mstar S7R I2S Output
R406,R420
Y
Maybe Mstar IC1202
has problems
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Only for training and service purposes
N
Replace Speaker
N
Replace Connector
Replace one of
N
Capacitor, Register
& Recheck
N
Replace It & Recheck
N
Replace It & Recheck
N
Replace It & Recheck
N
Maybe TAS5733 has problems.
Replace It
* Amp. I2C check
LGE Internal Use Only