Panasonic OLED-201806 Technical Manual page 25

Power Board Structure -3 ( P+LDP Boards )
( only 50FS500** )
< P + LDP >
VLED
Anode
4 ch
Cathode
PFC
DCDC LED
Drive
(Backlight)
IC
IC
HO
A
Power
PWM
LO
IC
LDP
BL-ON
16V
16V
DCDC
P
STB5V
25