ViewSonic Q7b Service Manual download pdf (Page 27)

ViewSonic Corporation Confidential - Do Not Copy Q7b-3

5. Adjustment Procedure

1. Function test

1.1 products

17” LCD Monitor

1.2 test equipment

(2-1). One PC (Windows system);two RS-232 PORT，COM1: signal resolution、COM2: color

meter。

Print PORT: connection with IIC/RS-232 Adapter Board

(2-2).Color Meter: MINOLTA. CA-110 is 21cm apart form the screen (eg: BM-7 distance is 50cm;

Field = 2.0)

(2-3). IIC/RS-232 Adapter Board (Set IIC Port)

(2-4). (TOPCON BM-7 or CA110) will be upright with Monitor

(2-5).each equipment’ s connection circuit diagram, pls see the appendix two and three.

(3).Setup

( 3-1 ).with 32 level gray scale Pattern

(3- 2 ).Brightness Set 50; Contrast Set 50.

( 3-3 ). Auto White Balance:

Entered into Maintain mode then choose Menu (F199N) Icon ,and press (+) Key to enter

into Maintain Menu; choose Auto Color ,press down (+) Key to implement Auto Color

Adjust。

(4).adjust specification:

At Brightness=50, Contrast=50 Full White Pattern

6500°K: x=0.313±0.015;y=0.329±0.015

9300°K: x=0.283±0.015;y=0.297±0.015

S RGBK : x=0.313±0.015;y=0.329±0.015

Brightness=50，Contrast=50 Full White 180 CD/M≧

(5). Applicable program exercitation (use the color temperature adjust program to adjust color

temperature)

MINOLTA CA-110

LCD Module

Optical

Black P

asteboard Cylinder

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ViewSonic Q7b Service Manual Page 27