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Troubleshooting
Audio Input is not Recording
Check the select signal pin9,10
of IC203(JACK PCB)
Yes
Check all the 12Vcc
pin 16 of IC203 and 12Vcc of CN10
AIC4(JACK).
Yes
Check the 3.3V pin14
and 5V pin5 of AU5
(MAIN PCB)
Yes
Check Digital clock and data
pin 10, 11, 12, 15 of
AU5(MAIN PCB)
Yes
Check the passive parts
around jack pin.
5-10
No
Check pin 90,91(5V) of the
Front Micom IC601 (JACK PCB)
No
Check SMPS
No
Replace Main PCB
No
Replace Main PCB
Digital clock(10)
Digital clock(11)
Digital clock(12)
Digital clock(15)
Samsung Electronics
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