HannStar HQ171D Service Manual page 30

H a n n S t a r D i s p l a y C o r p .
Document Title
Document No.
8.2.2 Power/Inverter Board
AC input
EMI filter
Start Circuit: R904,R932,R933
Lamp
Feedback
Circuit
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HQ171D_XY _HSM
Bridge
Rectifier
and Filter
PWM
Control IC
Output
Circuit
Transformer
Over
Voltage
Rectifier
Transformer
diodes
Feedback
Circuit
MOSFET
PWM
Control IC
Page No. 30 30 / 87
Revision
CN902
5V
12V
ON/OFF
ON/OFF
Control
DIM
DIM
07/08/09