JVC DT-V2000SU Service Manual page 57

DT-V2000SU
480P 4 : 3 UNDER SCAN V.SIZE, V.SHIFT
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Test equipment Signal generator(Cross-hatch circle pattern)
Test points
Adjustment locations DP14 (V.POSITION), DP13 (V.SIZE)
1.Set the scan size to the UNDER, and set the ASPECT to 4 : 3 in the
MENU screen.
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2. Input the cross-hatch circle pattern of the 480P component Y signal to the
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input A terminal.
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3.Adjust the vertical center to agree with the CRT center with DP14.
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290mm
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4.Adjust the vertical screen size to 290mm with the DP13.
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480P 4 : 3 UNDER SCAN
SIDE PINCUSHION
Test equipment
Signal generator (Cross-hatch pattern)
Test points
Adjustment locations DP15 (SIDE PIN)
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1. Set the scan size to the UNDER, and set the ASPECT to 4 : 3 in the MENU
screen.
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2. Input the cross-hatch pattern of the 480P component Y signal to the input
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A terminal.
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3. If the vertical lines are distorted in the side pincushion condition, adjust the
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DP15 to 2nd vertical lines from the screen edges become straight.
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1,
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to straight
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No. 51519B
41