Panasonic LCD-201803 - Page 24

P
LDP
(Backlight)
DCDC
16V
STB5V
16V
Anode
Cathode
PWM
PFC
IC
Power
IC
HO
LO
VLED2
< P + LDP >
A
24
Power Board Structure -4 ( P+LDP Boards )
BL-ON
( only 65FX6**/75FX7** )
DCDC LED
Drive
IC
VLED1
Anode
Cathode
1 ch
2 ch
1 ch
2 ch
This LDP block diagram is 2ch drive for backlight of 65inch model.
4ch drive is for 75 inch models. The number of channel and
VLED voltage are different by the LCD panels.