Sharp LC-32WD1E/S/RU - Page 67

No audio output during DTV reception
Is audio measured at D1101 audio output?
Check D1101-28/29 and D1101-24/25

no
Check D1101 periferal circuitery
v yes
Is audio measured behind D1106 (OpAMP)?
Check R1121 and R1122

no
Check D1106 periferal circuitery
v yes
Is audio measured on the input of D010?
Check C0153 and C0155

no
Check D010 input periferal circuitery
v yes
Is audio signal sent from D010 (TDA15134)?
Check R0155 and R0158

no
Check D010 circitery (R0155, R0158…)
v yes
Is audio signal sent from D020 (TDA8932)?
Check D020-27/30 and D020-19/22

no
Check +28V_audio and other D020 circuitery
v yes
Is audio signal on X022 and X021 normal

no
Check connectors
v yes
Check speakers and wiring
LC-32WD1E/S/RU, LC-37WD1E/S/RU, LC-42WD1E/S/RU, and LC-32/37/42WT1E
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