Replacements & Calibration; Adjusting The Focus; Adjusting The Screen Voltage - Samsung CS21A550MLK Service Manual

Troubleshooting
4-2-5 Replacements & Calibration
No Item
1 Main B/D
2 Power B/D
3 CRT Assy
4 FBT
5 SUB

■ Adjusting the Focus

You must adjust the settings in the following order for the KSCB chassis when replacing the CRT PCB, FBT, or CRT.
1. Display the Cross Hatch pattern.
2. Set the Screen Adjustment to "OK".
3. Turn the Focus VR so that the horizontal and vertical lines are clearly displayed.
4. Check the Focus for the entire screen and adjust the Focus VR if necessary.

■ Adjusting the Screen Voltage

1. Select:
Power OFF
2. Initialize all settings to the values appropriate to the corresponding model make sure the video adjust 1 is the factory date,just as
the following picture.
4-24
Data
Adjust Screen, Adjust Focus, Adjust Factory Data, Adjust W/B
Adjust Screen, Adjust Focus
Info Menu
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-
-
Focus VR
Mute POWER ON
Remark
Toshiba Mode
Toshiba Mode
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Toshiba Mode
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