Sharp XV-DW100U, Service Manual

Page: 31 / 125

31
XV-DW100U
No. Adjusting point Adjusting conditions Adjusting procedure
28 DVD input panel
signal amplitude 1. Feed the 10-step signal to
the G(Y) input terminal of
BNC connector.
2. Select the following group
and subjects.
Group : DVD
Subject : R1-GAIN
B1-GAIN
3. Connect the oscilloscope to
TP1101 (R) and TP1201
(G).
4. Similarly connect it to
TP1301 (B) and TP1201
(G) for blue.
»
Select R1-GAIN and adjust the data so that the R
signal amplitude and the G signal amplitude are the
same.
»
Make the same adjustment for blue too.
29 DVD white
balance 1. Feed the NTSC mono-
scope signal to the G(Y) in-
put terminal of BNC con-
nector.
2. Select the following group
and subjects.
Group : DVD
Subject : R1-BLK, B1-BLK
»
Using the control switch or the button on the remote
controller, adjust the data so that the white balance
is the same as that of the sample unit.
30 Color
irregularity
correction
position 1. Feed the gray-only RGB
color signal. (XGA 60Hz)
2. Find the color irregularity
position on the screen.
3. Group : NOKO
Subject : NOKO-RL
»
If the color is irregular, adjust the NOKO-RL data.
Set it to R for the right-hand color irregularity and to
L for the left-hand one.
»
If there is no color irregularity, turn off the saw-tooth
correction using SW4201.
32 Automatic color
correction 1. Using the color correction
system (DCCS100), make
corrections of the colors.
»
Make sure there is no noticeable color irregularity
left on the screen.
31 Color
irregularity
correction gain
(in case of
colorirregularity) 1. Feed the gray-only RGB
color signal. (XGA 60Hz)
»
Adjust R4215 to minimize the right-hand and left-
hand color irregularity.