Sanyo VPC-AZ3EX Service Manual page 15

5. CCD Black 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.
2. Double-click on the DscCalDi129.
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
[CA2 board (Side A)]
CL401(B)
CL402(R)
CL403(G)
CL405(CSYNC)
CL404
(XENB)
6-1. LCD H AFC Adjustment
Preparation:
POWER switch: ON
Adjusting method:
1. Double-click on the DscCalDi129.
2. Select 0 on the LCD "H AFC".
3. Apply a trigger using CL405, and adjust LCD "H AFC" so
that the time A from the rising signal at CL405 to the fall-
ing signal at CL404 is 5.00 ± 0.2 µsec.
2 )
– 15 –
A
CL404
CL405
CL404
CL405
6-2. LCD Gain Adjustment
Adjusting method:
1. Adjust LCD "Gain" so that the amplitude of the CL403
waveform is 1.5 V ± 0.1 Vp-p.
CL403 waveform
6-3. LCD RGB Offset Adjustment
Adjusting method:
1. Adjust LCD "RGB Offset" so that the amplitude of the CL403
waveform is 3.5 V ± 0.1 Vp-p.
Note:
6-2. LCD Gain adjustment should always be carried out first.
CL403 waveform
Enlargement
A
1.5 V ±
0.1 Vp-p
3.5 V ±
0.1 Vp-p