33
150B3B LCD
Repair Flow Chart
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
No power
(power indicator off)
Check
12V/3.3V DC
No
Yes
Bad AC adapter
Power supply
board
Replace Main panel
Audio in
Control panel
Summary of Contents for 150B3B
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