Sanyo LCD-40XR10F - Setting Child and Rating Locks; Setting or changing the child lock password; Locking the TV programmes

Troubleshooting guide LCD-40XR10F
1．Panel doesn’t light up.
Yes
Red
No
Blue
No
Yes
No
Switch on main power,
check if red indicator lights
up in STANDBY mode.
Check backlight circuits
on power board and
backlight board.
Press key “POWER” of
remote control or the unit
to turn on TV set, check
indicator light.
Check if voltage of
X108-13# on main
board is high level.
Check if voltage of
X108-3# (STB) on main
board is 5V.
Check STANDBY circuits
on power board.
Yes
Check backlight control
circuits N101 on main
board.
Check if voltage of
X108-1# on main
board is high level.
Check power
board.