Read Sharp XG-C55X (serv.man12) Service Manual online
26
XG-C55X
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
11
Adjustment of
NTSC color
saturation
NTSC color
saturation
1. Feed the split color bar signal.
2. Select the following group and sub-
2. Select the following group and sub-
ject.
Group: VIDEO
Subject: N-COLOR
Group: VIDEO
Subject: N-COLOR
~ Connect the oscilloscope to pin (1)
of P1301.
1. Confirm the fixed value.
Fixed value: 54
(Reference: 0.4 Vp-p)
(Reference: 0.4 Vp-p)
12
Adjustment of PAL
color saturation
color saturation
1. Feed the PAL color bar signal.
2. Select the following group and sub-
2. Select the following group and sub-
ject.
Group: VIDEO
Subject: P-COLOR
Group: VIDEO
Subject: P-COLOR
~ Connect the oscilloscope to pin (1)
of P1301.
1. Confirm the fixed value.
Fixed value: 51
(Reference: 0.4 Vp-p)
(Reference: 0.4 Vp-p)
13
Adjustment of
SECAM color
saturation
SECAM color
saturation
1. Feed the SECAM color bar signal.
2. Select the following group and sub-
2. Select the following group and sub-
ject.
Group: VIDEO
Subject: S-COLOR
Group: VIDEO
Subject: S-COLOR
~ Connect the oscilloscope to pin (1)
of P1301.
1. Confirm the fixed value.
Fixed value: 48
(Reference: 0.5 Vp-p)
(Reference: 0.5 Vp-p)
14
Adjustment of
video white bal-
ance
video white bal-
ance
1. Feed the NTSC monoscope pattern
signal.
2. Select the following group and sub-
jects.
Group: VIDEO
Subjects: V-R1-BLK, V-B1-BLK
Group: VIDEO
Subjects: V-R1-BLK, V-B1-BLK
1. Using the set's control switch or the
remote controller button, adjust the
settings to have the same white bal-
ance as on the standard monitor.
settings to have the same white bal-
ance as on the standard monitor.
16
Adjustment of
COMPO bright-
ness
COMPO bright-
ness
1. Feed the 0% gray pattern signal
(480I).
2. Select the following group and sub-
ject.
Group: COMPO
Subject: G-BRIGHT
Group: COMPO
Subject: G-BRIGHT
1. Adjust so that pixel defect occurs on
the screen.
100% White Red
100% White Red
100% White Red
15
Adjustment of
COMPO CB offset
and CR offset
COMPO CB offset
and CR offset
1. Feed the Y-0% brightness, Cb and
Cr 0% white pattern color difference
signal (480I).
signal (480I).
2. Select the following group and sub-
ject.
Group: COMPO
Subject: AUTO
Group: COMPO
Subject: AUTO
1. Feed the signal. Using the set's con-
trol switch or the remote controller
button, select the subject AUTO. The
setting will adjust itself.
button, select the subject AUTO. The
setting will adjust itself.
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