Sanyo LCD-40XZ10F - Troubleshooting Guide

Troubleshooting guide LCD-32XZ10
1．Panel is dark.
Yes
Red
No
Blue
No
Yes
No
Yes
Power on main
power supply, check
if the red indicator
light in STANDBY
mode is bright ?
Check if backlight circuits
on power board and
backlight board are
normal ?
Check if STANDBY
circuits on power
board are normal ?
Press key “POWER” of
remote control or the unit
to power on，check what
color of indicator light is?
Check if the voltage of
X801-13＃ on main board
is high level ?
Check if the voltage of
X801-1 ＃ on main board
is high level?
Check if power board
assembly is normal ?
Check if the voltage
of X801-3# (STB)
on main board is
inputted 5V ?
Check if circuits about
backlight control on
main board are normal?