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Power Board Structure -1 ( P Board only )
< P >
This block diagram is 2ch drive for backlight.
The number of channel is different by the models (LCD panels).
( Models are refer to P.11 )
The VLED voltage is also different by the LCD panels.
VLED
Anode
Power
IC
1 ch
Cathode
PFC
LED
Drive
(Backlight)
IC
IC
2 ch
HO
A
Power
LO
IC
PWM
BL-ON
16V
16V
REG
P
STB5V
23
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