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7-14. TV_OUT Part
TV_OUT function does not work
Yes
Replace the TV_OUT
Cable.
The problem still remains?
Yes
U512 pin 2 = 3.8V ?
Yes
U512 pin 1 = 'H'?
Yes
U503 pin 6 = 3.3V ?
Yes
Check the soldering state
of R520. Is it soldered
correctly?
Yes
It is HERA chip's problem.
Replace U315.
END
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No
Replace the TV_OUT Cable
No
Resolder U512 or check the related
No
Check the related circuit of
No
Check the related circuit of +VDD_TV
No
Resolder or replace R520.
7-25
Flow Chart of Troubleshooting
circuit of VBAT.
VDD_TV_EN
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