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Akai CT-S21MTD-E3 Service Manual Page 49

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Issued Date: September 18, 2003
Model No.: V270W - L03
Approval
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 UNIT Ta = 25 ± 2 ºC
Value
Parameter Symbol
Min. Typ. Max.
Unit Note
Lamp Input Voltage V
L
1008 1120 1232 V
RMS
I
L
= 4.7 mA
Lamp Current I
L
4.4 4.7 5.0 mA
RMS
(1)
1200 - 3000 V
RMS
(2), Ta = 25 ºC
Lamp Turn On Voltage V
S
1790 - 3000 V
RMS
(2), Ta = 0 ºC
Operating Frequency F
L
54 56 58 KHz (3)
Lamp Life Time L
BL
50K - - Hrs (5)
Power Consumption P
L
- 92 - W (4), Inverter Input
Note (1) Lamp current is measured by utilizing high frequency current meters as shown below:
LCD
Module
Inverter
1
HV (Pink)
2
HV (White)
1
HV (Pink)
2
HV (White)
1
HV (Pink)
2
HV (White)
1
HV (Pink)
2
HV (White)
1
HV (Pink)
2
HV (White)
1
HV (Pink)
2
HV (White)
1
HV (Pink)
2
HV (White)
A
A
A
A
A
A
A
A
A
A
A
A
A
A
LV (Gray)
Note (2) The voltage shown above should be applied to the lamp for more than 1 second after startup.
8 / 26
The information described in this technical specification is tentative and it is possible to be changed without prior
notice. Please contact CMO ’s representative while your product design is based on this specification. Version 2.0
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