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Flow Chart of Troubleshooting
10-
21
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10-1-8. TV OUT
Does not TV OUT
Check Earjack socket status OK?
YES
Replace the Earjack socket
NO
Check the voltage of TA601 = 3.0V?
YES
NO
If voltage level
≠
3.0V, check U613
If there are voltage ripple, replace TA601.
Check TV out signal status of R625
YES
NO
Check U602, TA603, TA604 and then,
check U635, C627, R626
Check the TV out cable
END
5 GND
POWER 1
V+
6
4
VIN
2
VOUT
VSAG
3
U602
TA604
C627
TV_3.0V
R625
C626
TA601
R626
TA603
TV_OUT
TV_ON
DA_OUT