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Model
LL-191A
Pages
31
Size
1.57 MB
Type
PDF
Document
Service Manual
Brand
Device
Monitor
File
ll-191a.pdf
Date

Sharp LL-191A Service Manual ▷ View online

LL-191A-W/B
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 2
 Turning the power on
1.
Turn on the main power of the monitor.
•  When switching the main power switch on and off, always wait for an
interval of at least 5 seconds. Rapid switching may result in malfunction.
2.
Press the monitor's power button.
3.
Turn on the computer.
When a signal is input from the computer, the power LED lights up
green, and the screen is displayed. (After power is turned on, it may
take a little time until the screen is displayed.)
Notes:
If using the monitor for the first time or after having changed the sys-
tem settings during use, perform an automatic screen adjustment.
Depending on the type of computer or OS, you may need to install
the monitor set-up information on your system.
When connecting to a notebook, if the notebook computer's screen is
set to display at the same time, the MS-DOS screen may not display
properly. In this case, change the setting to display only the LCD
monitor.
 Turning the power off
1.
Turn the computer off.
2.
Press the monitor's power button.
The power LED will disappear.
If the monitor will not be used for a long time, turn off the main power
switch of the monitor, and remove the power plug from the outlet.
2. INSTRUCTIONS FOR ATTACHING
AVESA-COMPLIANT ARM
The following stand or arm can be attached to the monitor.
•  Stand (sold separately)
•  VESA-compatible arm (commercially available)
 Arms or stands able to be used
Attachments must satisfy the following.
•  Compatible with the VESA standard.
• Have a gap of 100 mm x 100 mm between the screw holes on the
section to be attached.
•  Not be likely to fall off or break off after being attached to the monitor.
 How to attach the arm or stand
• Be careful not to over bend the cable or add extension cords as this
could lead to malfunction.
•  While following these instructions, please also refer to the installation
instructions in the operation manual included with the arm or stand.
Caution:
• Be careful not to get your fingers pinched between the display and
stand nor to let the stand drop. These could lead to injury.
1. Remove the cables.
2. Spread out a soft cloth on a suitable horizontal surface.
3. Being careful not to damage the monitor, gently lay the monitor on it
display-side down.
•  For the LL-171G, extend the stand as long as possible and lock it
before positioning the monitor.
4.
Remove the four screws and then remove the stand from the monitor.
Notes:
•  The stand is specially made for use with this monitor. Once
having removed the stand, never attempt to attach it to
another device.
•  Once having removed the screws, store them together with the
stand and if the stand is ever re-attached be sure to use the orig-
inal screws.
Using different screws could lead to a malfunction.
Main power switch
Press power button.
Turn on the
computer power
supply.
ON
Turn the computer
off.
Press power button.
OFF
Model name:
NL-S02-H (Ivory)
NL-S02-B (Black)
LL-191A-W/B
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 3
5.
Attach the arm to the monitor with the four screws.
Caution: The screws used to attach the arm should be M4 screws with
a length of 6 - 8 mm protruding from the surface to be
attached. Using different screws could cause the monitor to fall
off or to be internally damaged.
6 - 8 mm
Screw used to attach arm
Arm
Part of monitor to which arm is
attached
LL-191A-W/B
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 4
2. ADJUSTMENT
2-1.ADJUSTMENT METHOD
10) Version display (for service)
1
Press and hold down both the 
 button and the 
 button
(VOL/ BRIGHT) on the system unit while pressing the 
 button on the
system unit, to turn on the power supply of the system. Hold the three buttons
down until the version is displayed on screen. 
2
The software version and checksum appears on screen.
3
Turn off the power supply of the system or terminate the display of
the version by pressing the 
 button on the system unit.
The screen likes this:
11) Aging (for service)
*
Make sure the signal cable is disconnected from the PC before starting this pro-
cedure.
1
Press and hold down the 
 button and the 
 (VOL,
BRIGHT) button while pressing the 
 button of the system unit to
turn on the system. Hold down the three keys until the ageing menu appears
on screen.
2
The ageing menu is displayed on screen.
 Ageing test 1: The screen is switched over in the following manner:
 
Ageing test 2: Every time the 
 (VOL, BRIGHT) button is
pressed, the screen is switched over as follows:
3
When turn off, press 
 button.
Aging is not ended even if it shuts off the main power supply.
MENU
MENU
MENU
MENU ADJUSTMENT
AUTO
CLOCK
PHASE
H-POS
V-POS
GAMMA
MENU
GAIN
CONTROL
AUTO
BLACK LEVEL
CONTRAST
MENU COLOR CONTROL
COOL      STD      WARM    USER
R-CONTRAST
G-CONTRAST
B-CONTRAST
MENU MODE SELECT-2
INFOMATION
MENU
MENU
MENU
MENU MODE SELECT-1
OSD H-POSITION
1)  Resetting all adjustment values.
2)  ADJUSTMENT menu reset 
4)  Adjusting the backlight
5)  Adjusting the speaker volume
9) Display adjustment
3)  Adjustment lock and lock release
While pressing
+
, turn on the power.
7) Checking product information
simultaneously.
Press
+
While pressing
, turn on the power.
, turn on the power.
Adjust with
and
(Analog only)
(Analog only)
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
(Adjust with
.)
and
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
/MODE
WHITE
BALANCE
(Impossible except display mode
"STD"  "OFFICE")
(Impossible except display mode "STD"  "OFFICE")
OSD V-POSITION (Adjust with
.)
and
/MODE
SCALING
400 LINES
(Analog only)
(Adjust with
.)
and
(Adjust with
.)
and
/MODE
/MODE
LANGUAGE
(Select with
.)
/MODE
MENU
(Display)
END
MENU
OFF TIMER
(Adjust with
.)
and
(When ON, Adjust with
.)
and
/MODE
/MODE
Adjust with
and
6)  Setting display mode
Adjust with
/MODE
(OFFICE, sRGB, VIVID, STD)
(Select [BRIGHT])
(Select [VOLUME])
Adjust with
/MODE
8) Automatic screen adjustment
Press
/MODE
In all reset of an adjustment value, SOGREF, a language setup,
and product information are not reset. 
When required, change in each procedure.
*
*
/MODE
/MODE
/MODE
[PROCEDURE FOR REPLACING MAIN PWB
FOR THE LL-191A SERIES] (14)
[PROCEDURE FOR REPLACING MAIN PWB
FOR THE LL-191A SERIES] 5 <Reaction of SOGREF>
[PROCEDURE FOR REPLACING MAIN PWB
FOR THE LL-191A SERIES] 4
[PROCEDURE FOR REPLACING MAIN PWB
FOR THE LL-191A SERIES] 5 <Reaction of use time>
SOGREF
Language setup
Product information
(USEING TIME)
Product information
(S/N, MODEL NAME)
MENU
d
POWER
MENU
MODE NAME
VERSION
DATE
CHECKSUM
V-sync
H-sync
: 191AE
: 1.02 
: 01/07/2004
: 21BA
: 60H
: 48kHz
 button on system unit
: Select options
 button on system unit
: Execute the selected test.
 button on system unit
: Terminate ageing menu.
MODE
d
POWER
AGINF TEST
AGINF TEST1   
d
AGINF TEST2   
d
c
/MODE]
]
[MENU]
: SELECT
: SET
: END
MODE
d
MENU
d
POWER
LL-191A-W/B
CONNECTION, ADJUSTMENT, OPERATION, AND FUNCTIONS
2 – 5
2-2.ADJUSTMENT ITEM LIST
BUTTON
ITEM
ADJUSTMENT
DESCRIPTION
MENU
MENU 1: 
ADJUSTMENT
(Analog only)
MANUAL
CLOCK
0~255
CLOCK: 
The figure below demonstrates how to adjust so that vertical 
flicker noise is not emitted. (
e d
 buttons)
MENU 1
4
MENU 2
4
MENU 3
4
MENU 4
4
MENU 5
4
MENU END
PHASE
0~63
PHASE:
The figure below demonstrates how to adjust so that horizontal 
flicker noise is not emitted. (
e d
 buttons)
H-POS
0~255
H-POS (horizontal positioning) and 
V-POS (vertical positioning)
To center the screen image within the boundaries of the screen, adjust
the left-right (H-POS) values and the up-down (V-POS) values. (
e d
 but-
tons)
V-POS
0~63
AUTO
Automatic screen adjustment
MENU 2: 
GAIN CONTROL
(Analog only)
MANUAL
B L A C K
LEVEL
0~63
BLACK LEVEL: Total screen brightness can be adjusted while watching 
the color pattern. 
C O N -
TRAST
0~63
CONTRAST: While watching the color pattern, adjustments can be made 
so that all graduations appear. 
AUTO
GAIN CONTROL Menu
MENU 3:
COLOR CONTROL
WHITE BRANCE
COOL • STD • WARM
(5 levels), 
USER R • G • B:
0~255
WHITE BALANCE Menu
COOL 
: Color tone bluer than standard
• 
: Color tone slightly bluer than standard
STD 
: Color tone standard setting
• 
: Color tone slightly redder than standard
WARM
: Color tone redder than standard
USER
R-CONTRAST
:
e
 button for blue-green
d
 button for red
G-CONTRAST
:
e
 button for purple
d
 button for green
B-CONTRAST
:
e
 button for yellow
d
 button for blue
GAMMA
-10~10
Adjust so that dark and bright images are easy to see. If the screen is dark
and hard to see, increase the numerical value. If it is bright and hard to see,
lower the numerical value. (
e d
 buttons)
MENU 4: 
MODE SELECT-1
OSD H-POSITION
OSD H-POSITION (OSD horizontal position)
The position of the OSD display can be moved to the left and right. 
(
e d
 buttons)
OSD V-POSITION
OSD V-POSITION (OSD vertical position)
The position of the OSD display can be moved up and down. (
e d
 buttons)
SCALING
0, 1, 2
SCALING (Level of scaling)
The sharpness of the image can be adjusted. (
e d
buttons)
400 LINES
640 • 720
400 LINES (degree of resolution)
LANGUAGE
8 countrys
DEUTSCH, ENGLISH, 
ESPANOL, 
FRANCAIS, ITAL-
IANO, NETHER-
LAND, SVENSKA
JAPANESE
LANGUAGE
Messages displayed on the screen and OSD Menu contents can be
changed to the following languages.
Dutch, English, French, German, Spanish, Italian, Swedish.
MENU 5: 
MODE SELECT-2
IINFORMATION
A model name (MODEL), a serial no. (S/N), and usage time (USAGE
TIME) of the display can be checked.
OFF TIMER
ON (1 - 23 hours) • OFF
Power is automatically shut off when the set time elapses.
c
/MODE
DISPLAY MODE
STD, OFFICE,sRGB,
VIVID
Setting color mode when the ADJUSTMENT Menu is not displayed. 
STD
: Displays image with the color tone results from original scheme of
liquid crystal panel. 
OFFICE: Display brightness is lowered. The brightness is set to a level that
is easier on the eyes than with other modes and saves power.
sRGB : sRGB is international standard of color repre- sentation specified
by IEC (International Elec- trotechnical Commission). Color con-
version is made in taking account of liquid crystals char-acteris-
tics and represents color tone close to it original image.
VIVID : Displays an image with dynamic and VIVID primary colors.
e d
SPEAKER VOLUME
0~22
Adjustment of volume
BACK LIGHT
0~31
Adjusting the backlight
POWER
ON, OFF
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