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11. Troubleshooting
No display on screen (screen is black, no power)
No power / No video
Is the TV
plugged to
AC outlet?
Yes
Does the power turn
on (LED green) if the
keypad or remote
control is pressed?
No
Check power on Power board (5Vsb,12V)
Check power on Main board
No
Power board fails...Please
change another power BD
Check power, reset, crystal,
flash circuit.
66
No
Yes
Video
Plug TV power cord
to AC outlet
Which one is the
problem related to?
Audio
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