Service manual

20
XV-Z90U
DT-200
No. Adjustment Items Adjustment Conditions Adjustment Procedures
4 Adjustment of
DTV brightness/
contrast
1. Feed 480P 100% Black/White win-
dow pattern signal.
2. Select the following group and sub-
ject.
Group: DTV
Subject: Bright
Contrast
(Process gamma interlock)
1. On the bit-less screen, adjust in the
order of black side Bbright and white
side Contrast.
Adjust the black level so that bright
green bit-less may disappear and
may turn pale green.
Adjust the white level so that bit-less
may appear from black.
5 Adjustment of
DTV tint
1. Select the following group and sub-
ject.
Group: DTV
Subject: Tint
1. Confirm the fixed value.
Tint: 8
6 Adjustment of
DTV color satura-
tion
1. Select the following group and sub-
ject.
Group: DTV
Subject: Color
1. Confirm the fixed value.
Color: 13
7 Adjustment of
DVD brightness/
contrast
1. Feed 480I 10STEP signal (without
setup).
2. Select the following group and sub-
ject.
Group: DVD
Subject: Bright
Contrast
(Process gamma interlock)
1. On the bit-less screen, adjust in the
order of black side Bbright and white
side Contrast.
Adjust the black level so that bright
green bit-less may disappear and
may turn pale green.
Adjust the white level so that bit-less
may appear from black.
11 Adjustment of
Video tint
1. Select the following group and sub-
ject.
Group: VIDEO
Subject: N-Tint
P-Tint
S-Tint
1. Confirm the fixed value.
N-Tint: 8
P-Tint: 8
S-Tint: 8
10 Adjustment of
Video brightness/
contrast
1. Feed NTSC 10STEP signal (with-
out setup).
2. Select the following group and sub-
ject.
Group: VIDEO
Subject: Bright
Contrast
(Process gamma interlock)
1. Adjust the setting value of Bright be-
come the same as DVD-Bright.
2. On the bit-less screen, adjust in the
order of black side Bbright and white
side Contrast.
Adjust the white level so that bit-less
may appear from black.
8 Adjustment of
DVD tint
1. Select the following group and sub-
ject.
Group: DVD
Subject: Tint
1. Confirm the fixed value.
Tint: 8
9 Adjustment of
DVD color satura-
tion
1. Select the following group and sub-
ject.
Group: DVD
Subject: Color
1. Confirm the fixed value.
Color: 10