Power Board Block Diagram - AOC e941 Series Service Manual

Service Manual
(2)e941SA---715G3225
PM25LD020C
5V 3.3V 1.8V
Voltage converter

5.3 Power Board Block Diagram

Fuse EMI
AC input
100-240V
Vcc
CN902-12V
Audio in
Amplifier
Power adapter Part
12V
CN801
On/off DIM
LED converter Part
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EEPROM
(U402)
5V
Power/
Converter
Rectifier
IC-PWM
IC901
PWM Control
SET
IC801
TA9690
Crystal 12MHz
(X401)
Scalar NT68168FG
(Include ADC, OSD, MCU)
Key Board
Control
(CN401/402)
Board Block Diagram
Smoothing
Transformer
Capacitor
T901
MOS
Switching
Sense
resistor
photocoupler
14
Panel Interface
(CN403/405)
(U401)
H sync
V sync
D-Sub
Connector
(CN101)
12V
Rectifier
5V
Rectifier
Vcc
Rectifier
Converter
Vout30V
Switching MOS
Q801-AO4828
Current Sense
AOCe941Series
12V
12V
5V
regulating
sampling
CN803
1-8