Akai LCT3201AD, Руководство по обслуживанию

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3.2 BACKLIGHT
Ta=25
℃
ITEM
SYMBOL
MIN TYP MAX UNIT REMARK
Lamp Voltage VL -- 1150 -- Vrms IL=5.0mA
Lamp Current IL 4.0 4.5 5.0 mArms *1)
Lamp life time LT 50,000 -- -- hr *2)
Input voltage of inverter VBL 21.6 24 26.4 V *3)
IIN 0 -- (4.8) -- *4)
Input current of inverter
IIN (4.4)
A
*5)
Input frequency of inverter FL 61.5 63.5 65.5 KHz *6)
Inverter dimming VDIM 0 -- 5 Vdc *7)
Inverter duty ratio -- 20 -- 100 % VDIM=5V(MAX.)
Inverter opening voltage Vopen 1900 -- -- Vrms
ON 2.0 -- 5
Backlight on /of
control voltage
OFF
V
BLON
0 -- 0.8
V
BLW0 --
(120)
-- W *4)
Power consumption
(Panel+ Backlight )
BLW -- (105) -- *5)
[Note]
*1) Lamp Current measurement method (The current meter is connected to low voltage end)
Take the average of 16 CCFL’s lamp current as V
DIM
= 5V after power on for 30 min.
Inverter
1
2
1
2
1
2
1
2
1
2
1
2
1
2
HV(Blue)
HV(Blue)
HV(Blue)
HV(Blue)
HV(Blue)
HV(Blue)
HV(Blue)
HV(White)
HV(White)
HV(White)
HV(White)
HV(White)
HV(White)
HV(White)
LCD MODULE
A
A
A
A
A
A
A
A
A
A
A
A
A
A
1
2
HV(Blue)
HV(White)
A
A
50