Sony KV-25K1A Service Manual ▷ View online
— 25 —
KV-25K1
SDA9361 (DEFLECT. CONT.)
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KV-25K1
— 26 —
*
Switch OFF for White balance Adj and Switch ON for Shipping
Condition
*
TDA4780 (VIDEO PROC.)
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— 27 —
KV-25K1
DEFLECTION SYSTEM ADJUSTMENT
1.
Enter into the service mode and select 'Deflect cont.'.The
'Deflect cont. SDA9361' adjustment menu will be displayed.
'Deflect cont. SDA9361' adjustment menu will be displayed.
2.
Select and adjust each item in order to get an optimum image.
V SIZE
V POS
V LIN
H SIZE
H PIN CUSH
H TILT
H UP COR
H LOWER COR
AFC V BOW
AFC V ANGLE
H POS
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KV-25K1
— 28 —
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.
height.
4-2. VOLUME ELECTRICAL ADJUSTMENTS
Sub Brightness Adjustment
1.
Enter Service Mode (Device Menu).
2.
Select 'SUB ADJUST MENU'.
SAME LEVEL
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