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Symptom
No sound from speaker
Service position
Check points
TL1534 [MAN-B] TL1535 [MAN-B]
Detail of check
Troubleshooting due to check results
No audio from AV input/output terminal
Audio from builtin microphone cannot be recorded
Audio from external microphone cannot be recorded
Even if a normal disc is inserted, message "DISC ACCESS" continues to appear, and the disc is not recognized. Message "NO DISC" appears approx. 1 second after a normal disc is inserted. Message "NO DISC" appears within 10 seconds after a normal disc is inserted.
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Can audio signal (SP_OUT+, Yes: Replace disc cover. SP_OUT-) be confirmed? No: IC6103 and its peripheral circuits are faulty. TL6006 [MAN-B] Can audio signal (AUD-L, Yes: Replace MAN-H/ TL6009 [MAN-B] AUD-R) be confirmed? MAN circuit board. No: IC6103 and its peripheral circuits are faulty. IC6101-1, 7, 8, 14 Can audio signal (MIC_INL, No: Built-in microphone, or [AEL-A] MIC_INR) be confirmed? IC6101 and its (Do not solder lead peripheral circuits wire) are faulty. TL6101 [AEL-B] Can audio signal (MIC_INL, Yes: IC6201 or its TL6102 [AEL-B] MIC_INR) be confirmed? peripheral circuits are faulty. No: Q6101-6104, Q6108, Q6109, Q6207, Q6208 or their peripheral circuits are faulty. IC6201-3, 4 Can audio signal Yes: IC6201 or its [AEL-A] (EXTMIC_LCH, peripheral circuits (Do not solder lead EXTMIC_RCH) be are faulty. wire) confirmed? No: Replace MAN-H/ MAN circuit board. -------------Replace disc drive unit.
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If the DRF-H/DRF circuit board is not damaged or its connection status is normal, replace disc drive unit. Replace disc drive unit.