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Power Board Structure -3 ( P+LDP Boards )
< P + LDP >
LDP block diagram is 2ch drive for backlight.
The number of channel is different by the models (LCD panels).
The VLED voltage is also different by the LCD panels.
PFC
IC
P
( only 65EX6**/75EX7** )
HO
Power
LO
IC
DCDC
Drive
LDP
16V
DCDC
VLED
1 ch
Anode
Cathode
VLED
2 ch
Anode
1 ch
Cathode
LED
(Backlight)
IC
2 ch
A
PWM
BL-ON
16V
STB5V
22
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