Troubleshooting guide LC-32KE56
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
X802-3
＃
on main board
is high level ?
Check if the voltage of
X801-11
＃
on main board
is high level?
Check if power board
assembly is normal ?
Check if the voltage
of
X801-9#
(STB)
on main board is
inputted
5V
?
Check if circuits about
backlight control on
main board are normal?
Summary of Contents for LCD-32XR56DZ
Page 18: ...Block diagram ...
Page 23: ...WIRING DIAGRAM POWER BOARD POWER SWITCH PANEL BACKLIGHT DATA BOARD KEY BOARD IR BOARD SPEAKER ...
Page 35: ...Power Board ...
Page 39: ...APPENDIX B Exploded view LC 32KE56 ...
Page 44: ...Sep 2009 ...
