Sharp XG-P25X Service Anleitung Seite 32

XG-P25X
No. Adjusting point
20 DVD Contrast
21 DVD Tint
22 DVD Color
23 DVD White
balance
24 Checking and
readjustment of
white balance
Adjusting conditions
1. Feed the color bar signal of
the 480I component signal
to the BNC G(Y) input ter-
minal.
2. Select the following subject.
Group : DVD
Subject : CONTRAST
1. Feed the color bar signal of
the 480I component signal
to the BNC Y, Pb and Pr in-
put terminals. Feed the
sync signal only for the Y
signal.
2. Select the following subject.
Group : DVD
Subject : TINT
3. Connect the oscilloscope to
TP1301.
1. Feed the color bar signal of
the 480I component signal
to the BNC G(Y) input ter-
minal.
2. Select the following subject.
Group : DVD
Subject : COLOR
3. Connect the oscilloscope to
TP1101.
1. Feed the NTSC mono-
scope signal to G(Y) input
terminal of the BNC termi-
nal.
2. Select the following subject.
Group : DVD
Subject : R1-BLK
B1-BLK
1.The adjustment condition of
each item is as mentioned
in the following.
RGB input:Refer to No.11
VIDEO input:Refer to No.19
DVD input:Refer to No.23
Adjusting procedure
» Using the control switches or the remote controller
buttons, adjust the setting until the white signal
(100%) becomes bit-less.
» After adjusting, adjust the value of "CONTRAST"
down 2 points.
» Using the control switches or the remote controller
buttons. Adjust the setting so that the points indi-
cated in the waveform figure are at the same level.
» Adjust the level difference between the 100% white
and red portions to 0.25 ±0.02 Vp-p.
100% White Red
» Adjust so that a white balance may become the best
condition by using the control switch or buttons of
the R/C.
» Make sure that a white balance is the best condi-
tion.
32
SAME LEVEL