T-51512D121-FW-A-AA データシートの表示（PDF） - Optrex Corporation
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T-51512D121-FW-A-AA Datasheet PDF : 20 Pages
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[Note]
1) Lamp Current measurement method (The current meter is inserted in low voltage line.)
LCD
Module
CTL
A
CTH
CTH
Inverter
Power
Supply
2) Lamp frequency of inverter may produce interference with horizontal synchronous frequency, and
this may cause horizontal beat on the display. Therefore, please adjust lamp frequency, and keep
inverter as far from module as possible or use electronic shielding between inverter and module to
avoid the interference.
3) Lamp life time is defined as the time either when the brightness becomes 50% of the initial value, or
when the starting lamp voltage does not meet the value specified in this table.
4) The life time of the backlight depends on the ambient temperature. The life time will decrease under
low/high temperature.
A) Power and signals sequence:
t0 ≤ 1 ms
0 < t4 ≤ 50 ms
t1 ≤ 15 ms
400 ms ≤ t5
0 < t2 ≤ 200 ms
200 ms ≤ t6
0 < t3 ≤ 1 s
0 ≤ t7
(a) 3.3 V powered
3.0V
2.1V
1.7V
VCC
Data, Timing signals
3.0V
0.5V
1.7V
t0 t1 t2
Backlight
t3 t4 t5
t6
t7
data: RGB DATA, DCLK, HD, VD, DENA
(b) 5.0 V powered
4.5V
2.1V
1.7V
VCC
Data, Timing signals
4.5V
0.5V
1.7V
t0 t1 t2
Backlight
t3 t4 t5
t6
t7
data: RGB DATA, DCLK, HD, VD, DENA
T-51512D121-FW-A-AA (AA) No. 2002-0169
OPTREX CORPORATION
Page 4/35
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