Troubleshooting - Toshiba 15DV703R Service Manual

10. Troubleshooting

No display on screen (screen is black, no power)
No power / no video
Is the TV connected to
an AC outlet?
Yes
Does the power turn on
(LED green) when the
keypad or remote
control is pressed?
No
Check power on Power board (5Vsb,12V)
Check power on Main board.
Power board fails...Please replace the
power board with a new one.
Check power, reset, crystal, and flash
circuit.
80
No
No
Plug TV power cord
to an AC outlet.
Yes
Which one is the
problem related to?
Video Audio