Marantz VP4001, Руководство по обслуживанию

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18
ELECTRICAL ADJUSTMENT
1 EEPROM
initialization
1. Turn on the power (with
the lamp on) and warm up
the set for 15 minutes.
• Make the following settings.
Press S6213 to call the process mode and execute
"SS2" on SS menu.
3 Adjustment of
CW index
1. Signal input: Send 256
STEP color bar to RGB
(INPUT5).
(SVGA60Hz or XGA60Hz)
2. Select the following group
and subject.
Group : ADJUST
CW/Auto KS
Subject : CW-INDEX.
No. Adjusting point Adjusting conditions Adjusting procedure
4 R/G/B contrast
adjustment
(manual or auto-
matic)
1. Select the following group
and subjects.
Group : ADJUST/AD
Subject : R-CONT
G-CONT
B-CONT
(Process GAMMA interlock)
2. Feed white signal with
t h e a m p l i t u d e l eve l o f
96% (0.67Vpp) to RGB
(INPUT5).
(SVGA60Hz or XGA60Hz)
1. Measure chromaticity of the 96% white wind pat-
tern using CA100.
2. On the screen where bit dropouts occur, raise the
values of R/G/B-Contrast. Adjust the values so that
bright red, green, and blue bit dropouts appear on
a black background; and amounts of change in x
value of R and y values of G/B become 100/1000 or
more.
3. If adjustment is performed manually watching the
screen, make adjustment so that bright red, green,
and blue bit dropouts appear on more than half of
the screen.
1. Adjust the lamp gradation patterns of RGBW so that
smooth patterns without noise appear.
5 White balance
adjustment
1 . F e e d t h e c o m p o n e n t
75% gray signal to RGB
(INPUT5).
2. Select the following group
and subjects.
Group : ADJUST
WB
Subject : R-GAIN
B-GAIN
1. Adjust R-GAIN and B-GAIN so that the following
chromaticity vales are obtained using CL200.
X value : 298±5
Y value : 319±5
2 Model setting (Process menu)
1. Select the following group
and subject.
Group : CONFIRM
Subject : MODEL-SELECT
1. Set as below.
VP4001 : 1 (default)
0 (non)
R
G
B
W