Defect Related To The Audio - Samsung Pro815 Service Manual

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Ⅵ. TROUBLESHOOTING

9. Defect related to AUDIO

- First of all, check that the AUDIO is ON in the MENU.

- When the MIC & SPEAKER are soldered, be careful of breakage by a high temperature.

Check the soldering condition

of speaker and L/W of

microphone

Check the condition of parts

of speaker and microphone

Check the parts of Main PCB

SPK(L)

Check the condition of around the U19, U20

- U19 : AUDIO AMP

- U20 : AUDIO CODEC

U19(Top side)

U20(Bottom side)

MIC.(L)

MIC.(R)

SPK(R)

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