Schematic Diagram - AOC A20E221 Series Service Manual

10-2 Power board
AC input
EMI filter
Lamp
11. SCHEMATIC DIAGRAM (CIRCUIT)
11-1. MAIN BOARD SCHEMATIC DIAGRAM
Bridge
Rectifier and
Filter
Start Circuit
R906, R907
PWM
Control IC
ROYER MOSFET
Circuit Q201, Q211
Feedback
Circuit
Rectifier
Transformer
CMOS
MOSFET
Q901
Voltage
Feedback
Circuit
PWM
Control IC
LM339M
Brightness
Control
57
IC101,
Q101
12V
ON/OFF
Over
Voltage
Protect
ON/OFF
Control
CN902
5V
BL ADJ