Electrical Adjustment - Sharp XV-Z200U Service Manual

ELECTRICAL ADJUSTMENT

No. Adjusting point Adjusting conditions
1 Initialization of 1. Turn on the power (the
EEPROM
1. Input the gradation pat-
2 Adjustment of
CW index
2. S e l e c t t h e fo l l ow i n g
3-1 R-Bright / R- 1. Group: AD
Contrast
(Manual or auto
adjustment)
2. Feed the window pattern
3-2 G-Bright / G- 1. Group: AD
Contrast
(Manual or auto
adjustment)
2. Feed the window pattern
1. Carry out the following setting.
lamp lights up) and warm
up the system for 15 min-
utes.
1. Select subject and make adjustment so that the
tern of RGB.
(SVGA60Hz or XGA)
group and subject.
Group: DLP
Subject: Select INDEX
DELAY.
1. Observe the 0% window pattern.
Subject: R-BRIGHT 2. On the screen with missing bits (red bright spot
(Black level)
R-CONTRAST
(White level)
3. Observe the 91% window pattern.
signal containing 91% 4. On the screen with missing bits, adjust the R-
(0.64Vp-p) R signal and
0% level.
(Process/Gamma interac-
tion)
(SVGA or XGA)
Input 2 RGB input
1. Observe the 0% window pattern.
Subject: G-BRIGHT 2. On the screen with missing bits, adjust the G-
(Black level)
G-CONTRAST
(White level) 3. Observe the 91% window pattern.
4. On the screen with missing bits, adjust the G-
signal containing 91%
(0.64Vp-p) G signal and
0% level.
(Process/Gamma interac-
tion)
(SVGA or XGA)
Input 2 RGB input
23
Adjusting procedure
Using the remote controller or press S2002 to
enter the process mode, and execute SS2 on SS
menu.
lamp gradation patterns of R, G and B should be
smooth without noise.
R
G
B
appearing at the center of the screen), adjust
the R-Bright setting until the all-black screen
becomes bit-less for the first time.
Contrast setting until the all-black screen becomes
bit-less for the first time.
Bright setting until the all-black screen becomes
bit-less for the first time.
Contrast setting until the all-black screen becomes
bit-less for the first time.
XV-Z200U/E, XV-Z201E
DT-300