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Sharp XG-NV4SU Service Manual page 29

Pal secam ntsc system
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I
XG-NV4SU
No.
Adjusting point
Adjusting conditions
Adjusting procedure
17
PAL color
1. Feed the PAL color bar sig-
l
Using the control switches
or the remote controller
saturation level
nal.
buttons, adjust the difference
between the 100%
Group
: VIDEO 1
white portion and the red portion to 0.28~0.02
Vp-p.
Subject :
P-COLOR
100% White
Red
2. Connect the oscilloscope to
4
4
___- __I_ --
pin (1) of P801.
mm_ _
f
c
18
SECAM color
1. Feed the SECAM color bar
l
Using the control switches
or the remote controller
saturation level
signal.
buttons, adjust the data to have a level difference
of
Group
: VIDEO 1
0.28 kO.02 Vp-p between the 100% white portion
Subject :
S-COLOR
and the red portion.
2. Connect the oscilloscope to
pin (1) of P801.
100% White
Red
4
4
_-_- -___ _-
___ _
f
t
19
Video white
1. Feed
the
NTSC
mono-
l
Using the control switches or the remote controller
balance
scope pattern signal
buttons, adjust so that the entire screen looks
Group
: VIDEO 2
evenly colorless.
Subject : Rl-GAIN
Bl -GAIN
20
Color system
performance
check
1. Receive the color bar sig-
l
In the process mode and select Ll. Check the color
nal.
and tint.
21
Video system
performance
check
1. Receive
the monoscope
l
In the process mode and select L2. Check the pic-
pattern signal.
ture, brightness
and sharpness.
22
Audio system
performance
check
l
In the process mode nad select L3. Check the bass,
treble.

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