Read Sharp XG-C40XE (serv.man3) Service Manual online
6
XG-C40XU
(
1
)
XG-C40XE
(
1
)
No.
Adjusting point
Adjusting conditions
Adjusting procedure
13
Horizontal
center
center
1. Feed the NTSC monoscope
pattern signal.
2. Group : VIDEO 2
Subject : N358-DLY (4)
N443-DLY (0)
PAL-DLY (3)
SECAM-DLY (0)
PAL-DLY (3)
SECAM-DLY (0)
Make sure the settings are
as above.
3. Group : VIDEO 1
3. Group : VIDEO 1
Subject : NTSC-H
»
Using the control switches or the remote controller
buttons, adjust the data to have the same overscan
in Reft and Right.
buttons, adjust the data to have the same overscan
in Reft and Right.
2.0Vp-p
14
Video picture
adjustment
adjustment
1. Feed the split colour bar sig-
nal.
Group : VIDEO 1
Subject : PICTURE
Group : VIDEO 1
Subject : PICTURE
2. Connect the oscilloscope
between pin (2) of P801 and
GND.
GND.
»
Using the control switches or the remote controller
buttons, adjust the black-to-white (100%) level
difference to 2.0
buttons, adjust the black-to-white (100%) level
difference to 2.0
±
0.06 Vp-p.
17
Tint
1. Feed the split colour bar
signal.
Group : VIDEO 1
Subject : TINT
Group : VIDEO 1
Subject : TINT
2. Connect the oscilloscope to
pin (4) of P801.
»
Using the control switches or the remote controller
buttons, adjust the data to have the -(B-Y) wave-
form downhill straight.
buttons, adjust the data to have the -(B-Y) wave-
form downhill straight.
»
After adjusting, adjust the
value of TINT up 3 point.
value of TINT up 3 point.
16
Video AGC
1. Feed the split colour bar signal.
Group : VIDEO 1
Subject : AGC
Subject : AGC
»
Using the control switches or the remote controller
buttons, adjust the setting until the white signal
becomes bit-less.
buttons, adjust the setting until the white signal
becomes bit-less.
15
Video
brightness
adjustment
brightness
adjustment
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
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).
button (to set the gamma
correction to the process
setting).
»
Using the control switches or the remote controller
buttons, adjust the setting until the black signal
becomes bit-less.
buttons, adjust the setting until the black signal
becomes bit-less.
100% White Red
18
NTSC colour
saturation level
saturation level
1. Feed the split colour bar sig-
nal.
Group : VIDEO 1
Subject : N-COLOR
Group : VIDEO 1
Subject : N-COLOR
2. Connect the oscilloscope to
pin (1) of P801.
»
Using the control switches or the remote controller
buttons, adjust the difference between the 100%
white portion and the red portion to 0.00
buttons, adjust the difference between the 100%
white portion and the red portion to 0.00
±
0.05 Vp-p.
(same as 100% white)
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