Akai CT-S21MTD-E3 Service Manual download pdf (Page 58)

Issued Date: September 18, 2003

Model No.: V270W - L03

Approval

7. OPTICAL CHARACTERISTICS

7.1 TEST CONDITIONS

Item Symbol Value Unit

Ambient Temperature Ta

25±2

Ambient Humidity Ha

50±10

%RH

Supply Voltage V

5.0 V

Input Signal According to typical value in "3. ELECTRICAL CHARACTERISTICS"

Inverter Current I

4.7 mA

Inverter Driving Frequency F

56 KHz

Inverter --

7.2 OPTICAL SPECIFICATIONS

The relative measurement methods of optical characteristics are shown in 7.2. The following items should

be measured under the test conditions described in 7.1 and stable environment shown in Note (7).

Item Symbol Condition Min. Typ. Max. Unit Note

Contrast Ratio CR 400 600 - -

Note(2)

- 15 25 ms

- 10 20 ms

Note(3)

Response Time

Gray to

gray

16.6 ms

Note(4)

Center Luminance of White L

450 550 - cd/m

Note(5)

Average Luminance of White L

AVE

400 450 - cd/m

White Variation

δW

- - 1.6 -

Note(8)

Cross Talk CT - - 4.0 %

Note(6)

Rx 0.616 0.646 0.676 -

Red

Ry 0.302 0.332 0.362 -

Gx 0.239 0.269 0.299 -

Green

Gy 0.570 0.600 0.630 -

Bx 0.112 0.142 0.172 -

Blue

By 0.042 0.072 0.102 -

Wx 0.255 0.285 0.315 -

Color

Chromaticity

White

=0°, θ

=0°

Viewing Normal Angle

0.263 0.293 0.323 -

9, 300K

85 -

Horizontal

85 -

Viewing

Angle

Vertical

CR≥10

85 -

Deg.

No gray

scale

inversion

17 / 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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