Akai LCT2785TA, Руководство по обслуживанию

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Note (3) The specified power supply current is under the conditions at Vcc = 5 V, Ta = 25 ± 2 ºC, f
v
= 60 Hz,
whereas a power dissipation check pattern below is displayed.
b. Black Pattern
a. White Pattern
Active Area
Active Area
R
R
R
B
B
B
B
G
G
G
G
B
B
B
B
B
B
G
G
G
G
R
R
R R
R
R
R
c. Vertical Stripe Pattern
Active Area
3.2 BACKLIGHT INVERTER UNIT
3.2.1 CCFL (Cold Cathode Fluorescent Lamp) CHARACTERISTICS (
Ta = 25 ± 2 ºC)
Value
Parameter Symbol
Min. Typ. Max.
Unit Note
Lamp Voltage V
W
- 1120 -
V
RMS
I
L
= 4.7mA
Lamp Current I
L
4.2 4.7 5.2
mA
RMS
(1)
- - 1650
V
RMS
(2), Ta = 0 ºC
Lamp Starting Voltage V
S
- - 1500
V
RMS
(2), Ta = 25 ºC
Operating Frequency F
O
50 - 70 KHz (3)
Lamp Life Time L
BL
50,000 60,000
- Hrs (4)
Version 1.0
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