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2. Troubleshooting guide
2.1. No raster
POWER button on RC or
the set and check the
Blue
Is X801-1#
on the main board high
voltage ?
No
Yes
Check
backlight
Check backlight
circuit of power
control circuit on
digital board
board
and
backlight board
Yes
Press
indicator light
Red
Is X801-13#
on the main board high
voltage ?
Yes
Check standby
circuit
Turn-on
power supply, check if the
red indicator is light in the
STANDBY?
No
Check
circuit of IR
board
No
Check standby
control
circuit
on
digital
board
22
Check if 5V-S
of X501-11# on the main
board is normal ?
No
Yes
the
Check
circuit
power
standby
the
of
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