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6 Troubleshooting
6-7 Microphones Don�t Work (SyncMaster 330TFT/530TFT)
Does the PC�s sound program operate well? Yes Is the connection between the PC and monitor secure? Yes Is the Internal Microphone connector attached? Yes Does the Internal Microphone work? Yes Does the External Microphone work? Yes OK
No
Check the PC�s sound program and compatibility.
No
Connect the cable between the PC and monitor.
No
Check the connection between CN805 on the Audio PCB and the Internal Microphone.
No
Check Q802 and related circuits.
No
Check the CN182 jack.
6-8 Headphones Don�t Work (SyncMaster 330TFT/530TFT)
No Check CN813 on the Audio PCB and related circuit R817, R820, ZD801, ZD802.
Can you hear any sound from the Headphones? Yes Do you hear sound from the Internal Speaker? Yes OK 6-6
No
Check the Headphone Plug in the Headphone Jack and R821, R822, C815 on the Audio PCB.
