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Trouble Shooting
AV3 Audio Input is not Recording
I2C singnals in
IC216(pin16, 18) are swinged
between 0~5V?
Check audio
signal (41,42 pin of IC216)
supply voltage of VIC1 3.3V
Check output I2S
singnal of audio DAC (VDR23,
VDR43,VDR24,VDR44)
Check the passive parts
around jack pin.
4-28
No
Yes
No
wave form.
Yes
Check the
No
(Main PCB)
Yes
No
Yes
Check the connection
between IC216(pin16m 18)
and FIC1(pin27,28)
Refer to wave pattern image of Fig. 4-19
Check the around supply
voltage of IC216.
Refer to wave pattern image of Fig. 4-20
Replace Main PCB
Replace Main PCB
Refer to wave pattern image of Fig. 4-21
Samsung Electronics
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