Table of Contents
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Troubleshooting guide
1. No Backlight
POWER button on RC or
the set and check the
Blue
Is X601-1#
on the main board high
voltage ?
No
Yes
Check backlight
Check
backlight
control
circuits of power
of data board
board
and
backlight board
Yes
Press
indicator light
Red
Is X601-13#
on the main board high
voltage ?
Yes
Check standby
circuits
circuits
power board
Turn-on
power supply, check if the
indicator light is red in the
STANDBY?
No
Check circuits
of IR board
No
Check standby
of
control circuits
of data board
Check if 5V-S
of X601-11# on the main
board is normal ?
No
Yes
Check
circuits of power
board
standby
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