17
6. Trouble Shooting Guide
3. AUDIO Abnor mal
Check if the I2S
output of IC407
is ok?
No
Yes
Check if the
TDM input of
IC501 is ok?
Audio Abnormal of Digital
Audio Input Function
Yes
No
Check IC406 CDTO output.
Check I2S Format of TDM Port.
IC501 pin 101 to 103.
3
Yes
Check if the
Input Select is
ok?
Check IC207 Data Interface
DATA, CLK, 41 17_CS
No
Check if the
Data interface
is ok?
No
Yes
Check Crystal XC401.
No
Yes
Check if the
OSC waveform
is ok?
OPTICAL INPUT & COAXIAL INPUT
Audio Part
