32 150X3M LCD
Repair Flow Chart
No power
(power indicator off)
Check
12V/3.3V DC
No
Yes
Bad AC adapter
Power supply
board
Replace Main panel
Go to cover page
Block Diagram
AC IN
Power supply
board
Main panel
620Vrms
Inverter panel
Fluorescent
Lamp
LCD panel
Audio control
Unit
3.3VDC
(Optional)
12V DC
12V DC
Speaker
Audio in
Control panel
No Raster
Check
Powe board
12V/3.3VDC
No
Yes
Bad AC adapter
Power Board
Check
video signals input
interface
Replace inverter
panel
No
Video source
Yes
Check
Inverter panel
620VAC with load
No
OK
Replace fluorescent
lamp
Replace main panel
No
Summary of Contents for 150X3M
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