Service manual

/ XG-XVlE/A
No. Adjusting point Adjusting conditions
Adjusting procedure
19 PAL colour 1. Feed the PAL colour bar
@ Using the membrane switch or the remote control
saturation level signal.
button, adjust the difference between the 100% white
Group : VIDEO 1
portion and the red portion to 0.1 +0.02 Vp-p.
Subject : P-COLOR
2. Connect the oscilloscope to
100% White Red
pin (1) of P801.
4
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20 SECAM colour
1. Feed the SECAM colour
l Using the membrane switch or the remote control
saturation level
bar signal.
button, adjust the data to have a level difference of
Group
: VIDEO 1 0.1 +0.02 Vp-p between the 100% white portion and
Subject : S-COLOR
the red portion.
2. Connect the oscilloscope to
pin (1) of P801.
100% White Red
4
. ..Li..
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m
21 Video white
balance
1. Feed the NTSC mono-
l Choose the subjects Rl-GAIN and Bl-GAIN, and
scope pattern signal
make adjustment so that the entire screen looks
Group : VIDEO 2
evenly colourless.
Subject : RI-GAIN
If the black side is not properly adjusted, first readjust
Bl -GAIN
the black side by making the following choice:
Group :OUTPUT 1
Subject : Rl -BLK
Bl -BLK
Then, make the following choice:
Group : VIDEO 2
Subject : Rl -GAIN
Bl -GAIN
Readjust the related data.
Since the subjects RI-BLK and Bl-BLK are common
for the RGB input and VIDEO input, feed the RGB
signal again to adjust the white balance.
22 Colour system
performance
check
1. Receive the colour bar sig- l In the process mode, select Ll . Check the colour and
nal.
tint.
23 Video system
performance
check
1. Receive the monoscope
l In the process mode, select L2. Check the picture,
pattern signal.
brightness and sharpness.
25