– 8 –
Fig. 5-5
8
Turn the SCREEN Control slowly, and fix the green
becomes just illuminated point.
8
Adjust the other two low-lights so that the horizontal line
becomes white.
8
Remove the jumper wire from FA3 and ground.
8
Adjust the R-DRIVE and B-DRIVE so that the most
highest portion becomes White.
(6). HC, VC and VH Adjustment
Adjust :
LEVEL CONTROL (+)
Main Board
LEVEL CONTROL (–)
Main Board
Observe :
Colour Monitor
8
Set the "CHK 3" Mode.
8
Supply the Monoscope signal to the Video Input
Connector.
8
Select the HC Item.
8
Adjust the HC Data so that the Horizontal Position
becomes center.
8
Select the VC Item.
8
Adjust the VC Data so that the Vertical Position becomes
center.
8
Select the VH Item.
8
Adjust the VH Data so that the full Vertical Height
becomes plus 8 % overscanning.
(7). Sub Bright Adjustment
Adjust :
LEVEL CONTROL (+)
Main Board
LEVEL CONTROL (–)
Main Board
Observe :
Colour Monitor
8
Turn ON the Power Switch.
8
Set the "CHK 1" Mode.
8
Select the BRIGHT Item.
8
Set the BRIGHT Item to the center position (32).
8
Select the CONTRAST Item.
8
Set the CONTRAST Item to the center position (32).
8
Select the PICTURE Item.
8
Set the PICTURE Item to the center position (32).
8
Supply the Black Level Pattern signal to the Video Input
Connector.
Adjust center of scanning periode.
140
±
2 V for WV-CK1420
160
±
2 V for WV-CK2020
GND
8
Adjust SUB BRIGHT Data so that the second portion
becomes slightly lit as shown in Fig. 5-6.
Fig. 5-6
(8). Focus Adjustment
Adjust :
FOCUS Control
Flyback Transformer on the Main Board
Observe :
Colour Monitor
8
Supply the Dot signal or Cross-Hatch signal to the Video
Input Connector.
8
Adjust the FOCUS Control on the Flyback Transformer to
best focal point.
Adjust the Sub-Bright so that the second
portion becomes slightly lit.
