Akai LCT32AD Service Manual page 89

V
BL
Ton
0
V
2.0V
BLON
0.8V
0
Tr
2.0V
V
SEL
0.8V
0
2.0V
V
EPWM
0.8V
0
3.0V
V
IPWM
0
V
W
External
PWM
Period
Backlight on duration
Tf
Ext. Dimming Function
T
T
PWMF
PWMR
External
PWM Duty
87／129
Int. Dimming Function
Minimun
Duty
Toff
100%