Sanyo VPC-J1 Service Manual page 15

5. CCD Black Point And White Point Defect Detect
Adjustment In Lighted
Camera
Pattern box
(color viewer)
Preparation:
POWER switch: ON
Setting of pattern box:
Color temperature: 3100 ± 20 (K)
Luminance: 900 ± 20 (cd/m
Adjusting method:
1. Set the camera 0 cm from the pattern box. (Do not enter
any light.)
2. Double-click on the DscCalDi.exe.
3. Select "CCD Black" on the LCD "Test", and click the "Yes".
4. After the adjustment is completed, the number of defect
will appear.
6. LCD Panel Adjustment
[CP1 board (Side A)]
2 )
CL404
(VCOM)
6-1. LCD VcomPP Adjustment
Preparation:
POWER switch: ON
Adjusting method:
1. Double-click on the DscCalDi.exe.
2. Adjust LCD "VCOMPP" so that the amplitude of the CL404
waveform is 5.45 V ± 0.05 Vp-p.
6-2. LCD VcomDC Adjustment
Adjusting method:
1. Adjust LCD "VCOMDC" so that the amplitude of the CL404
waveform is 4.02 V ± 0.05 Vp-p.
– 15 –
5.45 V
± 0.05 Vp-p
CL404 waveform
4.02 V
± 0.05 Vp-p
GND
CL404 waveform