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9. All Source Audio Trouble Shooting

Make sure you can’t hear any audio
Y
Check Connector P703 N
Y
Y
Check Speaker
Replace Connector
Check Signal
L700, L701
NReplace one of
Capacitor, Register
& Recheck
Y
Check IC700 Power
17V, 3.3V
L702,L703
NReplace It & Recheck
Y
Check Mstar S7 I2S Output
R724, R725, R726
NReplace It & Recheck
Y
Maybe Mstar S7(IC101)
has problems
Replace Speaker
N
NMaybe TAS9709 has problems.
Replace It