Sharp XG-C40XU Service Manual page 7

No. Adjusting point
19 PAL colour 1. Feed the PAL colour bar sig-
saturation level
2. Connect the oscilloscope to
20 SECAM colour 1. Feed the SECAM colour bar
saturation level
2. Connect the oscilloscope to
21 Video input 1. Feed the NTSC 10-step sig-
panel signal
amplitude 2. Select the following group
adjustment
3. Connect the oscilloscope to
4. For the blue colour, connect
22 Video white 1. Feed the NTSC monoscope
balance
23 DTV white 1. Feed the monoscope pattern
balance
2. Group : DTV
24 Setup 1. Group : VIDEO1
25 Automatic 1. Using the colour errugularity
colour
errugularity
correction
Adjusting conditions
nal.
Group : VIDEO 1
Subject : P-COLOR
pin (1) of P801.
signal.
Group : VIDEO 1
Subject : S-COLOR
pin (1) of P801.
nal.
and subject.
Group : VIDEO2
Subject: R1-GAIN
B1-GAIN
TP1101 (R) and TP1201 (G).
the oscilloscope to TP1301
(B) and TP1201 (G).
pattern signal
Group : VIDEO 2
Subject : R1-BLK
B1-BLK
signal.
Subject: CR-OFFSET
CB-OFFSET
Subject: SET UP B
SET UP C
correction system (ccdc),
apply automatic colour
correction.
Adjusting procedure
» Using the control switches or the remote controller
buttons, adjust the difference between the 100%
white portion and the red portion to 0.2 ±0.05 Vp-p.
100% White Red
» Using the control switches or the remote controller
buttons, adjust the data to have a level difference
of 0.2 ±0.05 Vp-p between the 100% white portion
and the red portion.
100% White Red
» Select R1-GAIN and adjust the setting so that the
R and G signals have the same amplitude.
» For the blue colour, adjust the setting the same
way.
» Using the control switches or the remote controller
buttons, adjust so that the entire screen looks
evenly colourless.
» Using the control switches or the remote controller
buttons, adjust so that the entire screen looks
evenly colourless.
» Make sure the settings are 11 for SET UP B and 2
for SET UP C.
» Make sure there is no noticeable colour irregularity
left on the screen.
7
XG-C40XU 1
( )
XG-C40XE ( 1 )