JVC DT-V2000SU Service Manual page 51

DT-V2000SU
480i
4 : 3 OVER SCAN V.SIZE, V.SHIFT
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Test equipment Signal generator(Cross-hatch circle pattern)
Test points
Adjustment locations DP05 (V.POSITION), DP04 (V.SIZE)
1. Set the scan size to the OVER, and set the ASPECT to 4 : 3 in the
Escutcheon
MENU screen.
- - - - - -- - - __ _j_ _ - - - - - - - - - ,--
2. Input the cross-hatch circle pattern of the 480i component Y signal to
-.-+-
'
the input A terminal.
3. Adjust the vertical center to agree with the CRT center with DP05.
Scan
4. Adjust the vertical screen size to 95% over scan condition with the
Picture
DP04.
size
size
(95%
(100%)
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480i 4 : 3 OVER SCAN
SIDE PINCUSHION
Test equipment Signal generator(Cross-hatch pattern)
Test points
Adjustment locations DP06 (SIDE PIN)
1. Set the scan size to the OVER, and set the ASPECT to 4 : 3 in the
MENU screen.
I I
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2. Input the cross-hatch pattern of the 480i component Y signal to the
I I
input A terminal.
I
I
I
I
3. If the vertical lines are distorted in the side pincushion condition,
I
I
adjust the DP06 to 2nd vertical lines from the screen edges become I I
I
I
straight.
a
_J
-
to straight
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No. 515198
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