Inverter Characteristics - Akai LCT2765TD Service Manual

3.2.2 INVERTER CHARACTERISTICS (

Parameter
Power Consumption
Power Supply Voltage
Power Supply Current
Input Ripple Noise
Backlight Turn on
Voltage
Oscillating Frequency
Dimming Frequency
Minimum Duty Ratio
Note (1) Lamp current is measured by utilizing high frequency current meters as shown below:
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Note (2) The lamp starting voltage V
up duration. Otherwise the lamp could not be lighted on completed.
Ta = 25 ± 2 ºC)
Symbol
Min.
P -
BL
22.8
V
BL
I
-
BL
-
-
1790
V
BS
1200
F 53
W
F 150
B
D -
MIN
HV (Pink)
HV (White)
HV (Pink)
HV (White)
HV (Pink)
HV (White)
LCD
HV (Pink)
Module
HV (White)
HV (Pink)
HV (White)
HV (Pink)
HV (White)
HV (Pink)
HV (White)
should be applied to the lamp for more than 1 second under starting
S
Value
Typ. Max.
92 -
24 25.2
3.8
-
500
-
- -
- -
56 59
160 170
10 -
1
2
1
2
1
2
1
2
1
2
1
2
1
2
76
Preliminary
Unit Note
W (5), I = 4.7mA
L
V
DC
A Non Dimming
mV V =22.8V
BL
P-P
V Ta = 0 ºC
RMS
V Ta = 25 ºC
RMS
kHz
Hz
%
Inverter
LV (Gray)