Read Sharp XG-NV51XE (serv.man9) Service Manual online
27
XG-NV51XE/XM/XA
100% White Red
100% White Red
No.
Adjusting point
Adjusting conditions
Adjusting procedure
19
PAL colour
saturation level
saturation level
1. Feed the PAL colour bar
signal.
Group : VIDEO 1
Subject : P-COLOR
Group : VIDEO 1
Subject : P-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 0.20 ±0.02 Vp-p.
buttons, adjust the difference between the 100%
white portion and the red portion to 0.20 ±0.02 Vp-p.
20
SECAM colour
saturation level
saturation level
1. Feed the SECAM colour
bar signal.
Group : VIDEO 1
Subject : S-COLOR
Group : VIDEO 1
Subject : S-COLOR
2. Connect the oscilloscope to
pin (1) of P801.
»
Using the control switches or the remote controller
buttons, adjust the data to have a level difference of
0.25 ±0.02 Vp-p between the 100% white portion
and the red portion.
buttons, adjust the data to have a level difference of
0.25 ±0.02 Vp-p between the 100% white portion
and the red portion.
21
Video white
balance
balance
1. Feed the NTSC mono-
scope pattern signal
Group : VIDEO 2
Subject : R1-GAIN
Group : VIDEO 2
Subject : R1-GAIN
B1-GAIN
»
Using the control switches or the remote controller
buttons, adjust so that the entire screen looks
evenly colourless.
buttons, adjust so that the entire screen looks
evenly colourless.
22
Colour
irregularity
correction
position
irregularity
correction
position
1. Feed the gray-only RGB
colour signal.
2. Find the colour irregularity
position on the screen.
3. Group
: NOKO
Subject : NOKO-RL
4. Group : NOKO
Subject : NOKO-LH
»
If the colour is irregular, adjust the NOKO-RL data.
Set it to R for the right-hand colour irregularity and
to L for the left-hand one.
Set it to R for the right-hand colour irregularity and
to L for the left-hand one.
»
When there is no colour irregularity, turn off the saw-
tooth waveform correction on the NOKO-LH data.
tooth waveform correction on the NOKO-LH data.
23
Colour
irregularity
correction gain
(in case of
colourirregularity)
irregularity
correction gain
(in case of
colourirregularity)
1. Feed the gray-only RGB
colour signal.
»
Adjust R4215 to minimize the right-hand and left-
hand colour irregularity.
hand colour irregularity.
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