29
XG-P20XU
XG-P20XE
XG-P20XD
7
Sample-and-
hold pulse
phase
RCK-PHASE
GCK-PHASE
BCK-PHASE
1. Feed the XGA mode 75-Hz
black signal.
2. Make the following choice:
Group : OUTPUT 3
Subject : SH-PHASE
(Have the standard level at
8.)
Fix the GCK-PHASE set-
tings all to 8.
»
Using the control switches or the remote controller
buttons, make sure that the “OUTPUT 3” charac-
ters are not blurry and there is no ghost image. If
such blur or ghost occurs, finely adjust the setting
in the range of 7~9.
8
RGB counter-
voltage
adjustment
1. Feed the black-and-red
(25%) stripe signal (XGA).
2. Make the following choice:
Group : OUTPUT 3
Subject : RC (R)
: BC (B)
: GC (G)
»
Using the control switches or the remote controller
buttons, adjust the data in order to minimize the
flicker.
»
Make the same adjustment for BC (B) and GC (G).
»
See if the image is equally adjusted at the center
and both sides of the screen. If not, readjust the
setting to have the image equal at right and left.
9
RGB gradation
regeneration
adjustment
1. Feed the INFO COM. gray
scale and color bar pattern.
2. Make the following choice:
Group : OUTPUT 1
Subject : G1-BLK
»
Make sure that scale (white side) to No.251 and
scale (black side) to No.8 can be seen.
»
If white scale can't be seen properly, readjust with
G1-BLK.
4
8
12
249 251
No.
Adjusting point
Adjusting conditions
Adjusting procedure
6
P SIGNAL
1. Connect the oscilloscope to
TP1102 for red.
2. Make the following choice:
Group : OUTPUT 2
Subject : PSIG-H
: PSIG-L
»
Adjust the PSIG waveform to the one shown below.
»
For the green and blue colors, make sure their wave-
forms are similar to that of the red color.
2.5V DC
5.0V DC
GND
PSIG
(Adjust with PSIG-L.)
(Adjust with PSIG-H.)