JVC DT-V2000SU Service Manual page 55

DT-V2000SU
480P 4 : 3 OVER SCAN V.SIZE, V.SHIFT
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Test equipment Signal generator (Cross-hatch circle pattern)
Test points
Adjustment locations DP11 (V.POSITION), DP10 (V.SIZE)
1. Set the scan size to the OVER, and set the ASPECT to 4 : 3 in the
Escutcheon
MENU screen.
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2. Input the cross-hatch circle pattern of the 480P component Y signal
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to the input A terminal. I
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3. Adjust the vertical center to agree with the CRT center with DP11.
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Scan
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Picture
4. Adjust the vertical screen size to 95% over scan condition with the
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size
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size
DP10.
(95%
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(100%)
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480P 4 : 3 OVER SCAN
SIDE PINCUSHION
Test equipment Signal generator (Cross-hatch pattern)
Test points
Adjustment locations DP12 (SIDE PIN)
1. Set the scan size to the OVER, and set the ASPECT to 4 : 3 in the
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MENU screen.
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2. Input the cross-hatch pattern of the 480P component Y signal to the
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input A terminal.
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3. If the vertical lines are distorted in the side pincushion condition,
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adjust the DP12 to 2nd vertical lines from the screen edges become
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11
straight.
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to straight
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No. 51519B 39