Read Sharp XV-Z90E (serv.man9) Service Manual online
16
XV-Z90E
ELECTRICAL ADJUSTMENT
1
Initialization of
EEPROM
EEPROM
1. Turn on the power (the lamp lights
up) and warm up the system for 15
minutes.
minutes.
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
1. Carry out the following setting.
Using the remote controller or press
S2002 to enter the process mode,
and execute SS2 on SS menu.
S2002 to enter the process mode,
and execute SS2 on SS menu.
2
Adjustment of CW
index
index
1. Input the gradation pattern of RGB.
2. Select the following group and sub-
2. Select the following group and sub-
ject.
Group: DLP
Subject: Select CW-INDEX.
Group: DLP
Subject: Select CW-INDEX.
1. Select subject and make adjustment
so that the lamp gradation patterns
of R, G and B should be smooth with-
out noise.
of R, G and B should be smooth with-
out noise.
R
G
B
3-1
Adjustment of R
brightness/con-
trast
brightness/con-
trast
1. Select the following group and sub-
ject.
Group: AD
Subject: R-Bright
Group: AD
Subject: R-Bright
R-Contrast
2. Feed the window pattern having
91%(0.64Vp-p) R signal and 0%.
(Process gamma interlock)
(Process gamma interlock)
1. On the bit-less screen, adjust in the
order of black side R-bright and white
side R-contrast.
Adjust the black level so that bright
red bit-less may disappear and may
turn pale red.
Adjust the white level so that red bit-
less may appear from black.
side R-contrast.
Adjust the black level so that bright
red bit-less may disappear and may
turn pale red.
Adjust the white level so that red bit-
less may appear from black.
3-2
Adjustment of G
brightness/con-
trast
brightness/con-
trast
1. Select the following group and sub-
ject.
Group: AD
Subject: G-Bright
Group: AD
Subject: G-Bright
G-Contrast
2. Feed the window pattern having
91%(0.64Vp-p) G signal and 0%.
(Process gamma interlock)
(Process gamma interlock)
1. On the bit-less screen, adjust in the
order of black side G-bright and white
side G-contrast.
Adjust the black level so that bright
green bit-less may disappear and
may turn pale green.
Adjust the white level so that green
bit-less may appear from black.
side G-contrast.
Adjust the black level so that bright
green bit-less may disappear and
may turn pale green.
Adjust the white level so that green
bit-less may appear from black.
3-3
Adjustment of B
brightness/con-
trast
brightness/con-
trast
1. Select the following group and sub-
ject.
Group: AD
Subject: B-Bright
Group: AD
Subject: B-Bright
B-Contrast
2. Feed the window pattern having
91% (0.64Vp-p) B signal and 0%.
(Process gamma interlock)
(Process gamma interlock)
1. On the bit-less screen, adjust in the
order of black side B-bright and white
side B-contrast.
Adjust the black level so that bright
blue bit-less may disappear and may
turn pale blue.
Adjust the white level so that blue
bit-less may appear from black.
side B-contrast.
Adjust the black level so that bright
blue bit-less may disappear and may
turn pale blue.
Adjust the white level so that blue
bit-less may appear from black.
17
XV-Z90E
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
4
Adjustment of
DTV brightness/
contrast
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
Group: DTV
Subject: Bright
Contrast
(Process gamma interlock)
(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.
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
DTV tint
1. Select the following group and sub-
ject.
Group: DTV
Subject: Tint
Group: DTV
Subject: Tint
1. Confirm the fixed value.
Tint: 8
6
Adjustment of
DTV color satura-
tion
DTV color satura-
tion
1. Select the following group and sub-
ject.
Group: DTV
Subject: Color
Group: DTV
Subject: Color
1. Confirm the fixed value.
Color: 13
7
Adjustment of
DVD brightness/
contrast
DVD brightness/
contrast
1. Feed 480I 10STEP signal (without
setup).
2. Select the following group and sub-
ject.
Group: DVD
Subject: Bright
Group: DVD
Subject: Bright
Contrast
(Process gamma interlock)
(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.
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
Video tint
1. Select the following group and sub-
ject.
Group: VIDEO
Subject: N-Tint
Group: VIDEO
Subject: N-Tint
P-Tint
S-Tint
S-Tint
1. Confirm the fixed value.
N-Tint: 8
P-Tint: 8
S-Tint: 8
P-Tint: 8
S-Tint: 8
10
Adjustment of
Video brightness/
contrast
Video brightness/
contrast
1. Feed NTSC 10STEP signal (with-
out setup).
2. Select the following group and sub-
ject.
Group: VIDEO
Subject: Bright
Group: VIDEO
Subject: Bright
Contrast
(Process gamma interlock)
(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.
side Contrast.
Adjust the white level so that bit-less
may appear from black.
8
Adjustment of
DVD tint
DVD tint
1. Select the following group and sub-
ject.
Group: DVD
Subject: Tint
Group: DVD
Subject: Tint
1. Confirm the fixed value.
Tint: 8
9
Adjustment of
DVD color satura-
tion
DVD color satura-
tion
1. Select the following group and sub-
ject.
Group: DVD
Subject: Color
Group: DVD
Subject: Color
1. Confirm the fixed value.
Color: 10
18
XV-Z90E
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
15
Check and re-
adjustment of the
white balance
adjustment of the
white balance
The adjustment conditions of the item
4 for RGB input, the item 8 for the video
input, the item 12 for the DTV input,
and the item 16 for the DVD input
4 for RGB input, the item 8 for the video
input, the item 12 for the DTV input,
and the item 16 for the DVD input
Check that the white balance is in the
best condition.
In case to re-adjust, carry out in the order
of RGB input, video input, DTV input and
DVD input.
best condition.
In case to re-adjust, carry out in the order
of RGB input, video input, DTV input and
DVD input.
Confirmation
13
Adjustment of
DTV white bal-
ance
DTV white bal-
ance
1. Feed 480P75% gray signal.
2. Select the following group and sub-
2. Select the following group and sub-
ject.
Group: DTV
Subjects: R-DRIVE(R)
Group: DTV
Subjects: R-DRIVE(R)
B-DRIVE(B)
1. Confirm the fixed value.
R-DRIVE: 41
B-DRIVE: 41
(x=289, y=323)
B-DRIVE: 41
(x=289, y=323)
1. Select the following group and sub-
ject.
Group: VIDEO
Subject: N-Color
Group: VIDEO
Subject: N-Color
P-Color
S-Color
S-Color
1. Confirm the fixed value.
N-Color: 10
P-Color: 10
S-Color: 10
P-Color: 10
S-Color: 10
12
Adjustment of
Video color
saturation
Video color
saturation
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
Adjustment when assembling
14
Adjustment of
DLP voltage
(Reference)
DLP voltage
(Reference)
1. Read voltage rank of DLP descrip-
tion.
2. Set the switch corresponding to the
rank which has been read. (on the
formatter PWB)
formatter PWB)
1. Carry out adjustment when DLP chip
has been replaced or combination of
chip and formatter has been changed.
chip and formatter has been changed.
2. Rank:
B C D E
Setting value: 1 2 3 4
16
Confirmation of
color-related
operation
color-related
operation
1. Receive the color bar signal.
1. Select L1 in the process mode.
Check the performance of color and
tint.
tint.
17
Confirmation of
picture-related
operation
picture-related
operation
1. Receive monoscope pattern signal.
1. Select L2 in the process mode.
Check Picture, Brightness and Sharp-
ness.
ness.
18
Confirmation of
RGB
RGB
1. Receive the RGB signal.
1. Select L4 on the process mode.
Check Picture, Brightness, Red, Blue,
Clock, Phase, H-POS and V-POS.
Clock, Phase, H-POS and V-POS.
19
Confirmation of
DVI digital
DVI digital
1. Receive the digital signal.
1. Confirm that the picture is outputted.
20
Confirmation of
off-timer operation
off-timer operation
1. Select OFF in the process mode.
Confirm that the off-timer starts with
5-minute display, counts 1 minute for
1 second, and turns off when 0 minute
is displayed.
5-minute display, counts 1 minute for
1 second, and turns off when 0 minute
is displayed.
19
XV-Z90E
22
Automatic sync
operation
operation
1. Receive the phase checking pattern
signal.
No.
Adjustment Items
Adjustment Conditions
Adjustment Procedures
1. Confirm that Clock, Phase, H-POS
and V-POS can be automatically
adjusted in the VGA/S-VGA/XGA
mode.
adjusted in the VGA/S-VGA/XGA
mode.
23
Factory settings
1. Make the following settings.
21
Confirmation of
thermistor opera-
tion
thermistor opera-
tion
1. Confirm that the temperature is dis-
played.
1. Heat the thermistor by dryer.
Process
Remote controller
adjustment settings
SS3
"Factory Setting 3"
