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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-19
9-12. TV_OUT Part
TV_OUT function does not work
Yes
Replace the TV_OUT
Cable.
The problem still remains?
Replace the TV_OUT Cable
No
Yes
Resolder U500 or check
the related circuit of VBAT.
No
U500 pin 5 = 2.9V ?
Yes
Check the related circuit of
VDD_TV_EN
No
U500 pin 6 = 'H'?
Yes
Check the related circuit of +VDD_TV
UEP300 pin 6 = 2.8V ?
No
Yes
Resolder or replace R303.
No
Check the soldering state
of R303. Is it soldered
correctly?
Yes
It is HERA chip's problem.
Replace U315.
END