Volume Electrical Adjustments - Sony KV-25K1A Service Manual

Trinitron color tv
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KV-25K1

4-2. VOLUME ELECTRICAL ADJUSTMENTS

Sub Brightness Adjustment
1.
Enter Service Mode (Device Menu).
2.
Select 'SUB ADJUST MENU'.
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3.
Adjust the value according to the following advice.
Sub Color Adjustment
1.
Input a PAL color bar signal.
2.
Connect an oscilloscope to CN3703.
3.
Enter into 'SERVICE MODE'.
4.
Choose 'SUB ADJUST'.
5.
Enter into Sub Color mode.
6.
Adjust data so that the right sides of the waveforms are of equal
height.
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SAME LEVEL
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