Sony TRINITRON KV-28WF3A, Service Manual

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KV-28WF3/32WF3
28
Same Level
B-Out Waveform
4-2. VOLUME ELECTRICAL ADJUSTMENTS
Sub Brightness Adjustment
1. Enter into the service mode (Device Menu).
2. Select ‘SUB ADJUST MENU’.
3. Adjust the value according to the following advice.
Sub Colour Adjustment
1. Input a PAL colour bar signal.
2. Connect an oscilloscope to CN3703.
3. Enter into the ‘SERVICE MODE’.
4. Choose ‘SUB ADJUST’.
5. Enter into ‘Sub Colour’ mode.
6. Adjust data so that the right sides of the waveforms are of
equal height.
Sub adjustment
Sub Picture
Sub Color
Sub Brightness
4/3 Centre
PAP H-Centre
PAP HWE-Offset