Service manual

15” LCD Color Monitor Sharp LL-153A
16
5.2.2 Inverter/Power Board
Start Circuit: R909、R910、R931
CN902
EMI filter
Bridge
Rectifier
and Filter
PWM
Control IC
Transformer
Over
Voltage
Protect
Rectifier
diodes
AC input
12V
ON/OFF Control
PWM
Control IC
Feedback
Circuit
Output
Circuit
Transformer
MOSFET
Q805
Lamp
ON/OFF
DIM
PWM
Feedback
Circuit
12V
5V