JVC DT-V2000SU Service Manual page 56

DT-V2000SU
480P 16: 9 UNDER SCAN
H.CENTER, H.SHIFT
Test equipment Signal generator(Cross-hatch circle pattern)
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Test points
Adjustment locations DE03 (H.SHIFT,
DE01 (H.SIZE)
1.Set the scan size to the UNDER, and set the ASPECT to 16: 9 in the
385mm
~
Escutcheon
MENU screen.
-
- _¥
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2. Input the cross-hatch circle pattern of the 480P component Y signal to
the input A terminal.
3. Adjust the DE03 to correct the horizontal center agree with the CRT
screen center.
4. Adjust the horizontal screen size to 385mm with the DE01.
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480P 16: 9 UNDER SCAN V.CENTER, V.SHIFT
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Test equipment Signal generator(Cross-hatch circle pattern)
Test points
Adjustment locations DE04 (V. SHIFT), DE02 (V. SIZE)
1. Set the scan size to the UNDER, and set the ASPECT to 16 : 9 in the
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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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:E-h=
input A terminal.
3.Adjust the DE04 to correct the vertical center agree with the CRT screen
217mm
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center.
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4.Adjust the vertical scan size to 217mm with the DE02.
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L _________
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480P 16 : 9 UNDER SCAN
SIDE PINCUSHION, TRAPEZOID, PARALLELOGRAM
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Test equipment Signal generator (Cross-hatch pattern)
Test points
Adjustment locations DE0S (SIDE PIN),
DE0S (TRAPEZOID), DE07(PARALLELOGRAM)
1. Set the scan size to the UNDER, and set the ASPECT to 16 : 9 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. I
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3. If the vertical lines are distorted in the side pincustion condition, adjust the
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DE05 to 2nd vertical lines from the screen edges become straight.
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4. Confirm the trapezoidal distortion. If illeagal, adjust the DE08 to correct
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the distortion.
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5. Confirm the parallelogram distortion. If illeagal, adjust the DE07 to correct
Jl
t
the distortion.
to straight
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40 No. 51519B