Sanyo LED-24XR113D Service Manual page 36

Troubleshooting Block Diagram
1．Panel doesn't light up.
Supply with power,
check if red indicator
lights up in STANDBY
state?
No
Check if 5V is supplied
to X601-PIN11 ?
No
Check STANDBY
circuits on power
board.
Yes
Press key POWER
on remote control or
the
indicator.
Check if level of
X601-PIN13
main board is high?
Check
No
board.
Check power
control circuits on
main board.
Check
control circuits on
main board.
Red
unit, check
Blue
on
Yes
backlight
No
power
Check if level of
X601-PIN9 on main
board is high?
Yes
Check power
board.