Sharp XG-C40XU Serviceanleitung Seite 6

XG-C40XU 1
( )
XG-C40XE ( 1 )
No. Adjusting point
13 Horizontal
center
14 Video picture
adjustment
15 Video
brightness
adjustment
16 Video AGC
17 Tint
18 NTSC colour
saturation level
Downloaded from www.Manualslib.com
Adjusting conditions
1. Feed the NTSC monoscope
pattern signal.
2. Group : VIDEO 2
Subject : N358-DLY
N443-DLY
PAL-DLY
SECAM-DLY (0)
Make sure the settings are
as above.
3. Group : VIDEO 1
Subject : NTSC-H
1. Feed the split colour bar sig-
nal.
Group : VIDEO 1
Subject : PICTURE
2. Connect the oscilloscope
between pin (2) of P801 and
GND.
1. Feed the baseband (split
colour bar) signal. (The ON-
AIR signal is not accepted
because of its too much
noise.)
Group : VIDEO 2
Subject : VROS/VGOS/VBOS
2. Press the control switch or
the remote control's mute
button (to set the gamma
correction to the process
setting).
1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : AGC
1. Feed the split colour bar
signal.
Group : VIDEO 1
Subject : TINT
2. Connect the oscilloscope to
pin (4) of P801.
1. Feed the split colour bar sig-
nal.
Group : VIDEO 1
Subject : N-COLOR
2. Connect the oscilloscope to
pin (1) of P801.
manuals search engine
Adjusting procedure
» Using the control switches or the remote controller
buttons, adjust the data to have the same overscan
in Reft and Right.
(4)
(0)
(3)
» Using the control switches or the remote controller
buttons, adjust the black-to-white (100%) level
difference to 2.0 ±0.06 Vp-p.
» Using the control switches or the remote controller
buttons, adjust the setting until the black signal
becomes bit-less.
» Using the control switches or the remote controller
buttons, adjust the setting until the white signal
becomes bit-less.
» Using the control switches or the remote controller
buttons, adjust the data to have the -(B-Y) wave-
form downhill straight.
» After adjusting, adjust the
value of TINT up 3 point.
» Using the control switches or the remote controller
buttons, adjust the difference between the 100%
white portion and the red portion to 0.00 ±0.05 Vp-p.
(same as 100% white)
100% White Red
6
2.0Vp-p