DOWNLOAD Sharp LL-171G (serv.man2) Service Manual ↓ Size: 1.15 MB | Pages: 32 in PDF or view online for FREE

By disabling the control buttons (i.e. setting the
lock) any attempted changes to adjusted values
will be voided.
1. Turn off the monitor power.
2. While pressing the MENU button, press the

power button (i.e. turn the power on).
Continue to press the buttons until
[ADJUSTMENT LOCKED] appears on the screen.
The lock is set when the message is displayed.

Note:
- When the lock is in place, all buttons other than

the power button are disabled.

Adjustment lock release
1. Turn off the monitor power.
2. While pressing the MENU button, press the

power button (i.e. turn the power on).
Continue to press the buttons until [ADJUSTMENT
UNLOCKED] appears on the screen. The lock is
released when the message is displayed.

1. Without the OSD Menu being displayed, press

the   or the   button.

2. Check that [BRIGHT] is selected.

If it is not selected, press the 

 / MODE button

and select [BRIGHT].

3. Adjust by pressing the   button (darker) or 

button (lighter).

Note:
- On Screen display for adjustment disappears

several seconds after the last operation.

For analog signal
1. First perform an automatic adjustment. (p.19)
2. Perform manual adjustment where necessary.

(p.20)

For digital signal [LL-171G]
The monitor can generally be used without
adjustment. If necessary perform manual
adjustment. (p.20)

Note:
- All adjustments will be saved even after turning

the power off.

All adjustment values can be returned to their
original ex-factory values in one command.
1. Turn off the monitor power.
2. Press the MENU button and the 

 / MODE

button simultaneously, and while doing this
press the power button (i.e. turn the power on).
Continue to press the buttons until [ALL RESET]
appears on the screen. Reset is complete when
the displayed message disappears.

Notes:
- While [ALL RESET] is displayed, the control

buttons are disabled.

- It is not possible to reset values when the

adjustment lock is in place. Remove the
adjustment lock before attempting to operate
control buttons.

Settings of items in the ADJUSTMENT Menu
(CLOCK, PHASE, H-POS, V-POS) can be returned
to their original ex-factory values.
1. Turn on the monitor power.

2. Press the MENU button and the   button

simultaneously. When [RESET] appears on the
screen, the reset is complete.

Notes:
- While [RESET] is displayed, the control buttons

are disabled.

- It is not possible to reset values when the

adjustment lock is in place. Remove the
adjustment lock before attempting to operate
control buttons.

171AG_gb.P65

12/4/2003, 1:14 PM

17

1. Without the OSD Menu being displayed, press

the   or the   button.

2. Check that [VOLUME] is selected.

If it is not selected, press the 

 / MODE button

and select [VOLUME].

3. Adjust by pressing the   button (decrease) or 

button (increase).

Note:
- On Screen display for adjustment disappears

several seconds after the last operation.

Color tone or brightness can be changed with one
command.

Displays image with the color tone results from
original scheme of liquid crystal panel.

Display brightness is lowered. (This mode saves
power.)

sRGB is international standard of color
representation specified by IEC (International
Electrotechnical Commission).
Color conversion is made in taking account of
liquid crystal's characteristics and represents
color tone close to its original image.

Displays an image with dynamic and vivid
primary colors.

- If [DISPLAY MODE] is set to [sRGB] or [VIVID],

[WHITE BALANCE] is set to [STD], and [GAMMA]
is set to [0].

Press the 

 / MODE button when the OSD Menu is

not displayed.
Each time the button is pressed the next menu
item appears. (STD 

→ OFFICE → sRGB → VIVID

→ STD)
On Screen display for adjustment disappears
several seconds after the last operation.

A model name (MODEL), a serial no. (S/N), and
usage time (USAGE  TIME) of the monitor can be
checked.
1. Turn the power off.
2. While pressing the 

 / MODE button, press the

monitor's power button (i.e. turn the power on).
The product information will display.

3. Press the MENU button.

Note:
- Please note that the indication of usage time at

purchase may not be 0 (zero), as a result of
factory inspection and other activities during
manufacture.

171AG_gb.P65

12/4/2003, 1:14 PM

18

Automatic adjustment can be performed using
either the AUTO button or the MENU button.

AUTO button [LL-171A]
1. Press the AUTO button.
2. Press the AUTO button again.

[ADJUSTING] will appear on the screen, and
after a few seconds [ADJUSTING] will disappear.
(The automatic adjustment is now complete.)

MENU button
1. Press the MENU button.

The ADJUSTMENT Menu will be displayed.
(Example: Displayed screen of the LL-171G)

2. Press the   button.

The screen will become dark and [ADJUSTING]
will be displayed. After a few seconds the
ADJUSTMENT Menu will return. (The automatic
adjustment is now complete.)

3. Press the MENU button 5 times to make the OSD

(On Screen Display) Menu disappear.

Notes:
- In most cases automatic adjustment is sufficient.
- It may not be possible to achieve correct

adjustment with the first automatic adjustment. In
such a case, try repeating the automatic
adjustment 2 or 3 times.

- If necessary due to any of the following, manual

adjustments (p.20) can be performed after the
automatic adjustment.
- When further fine adjustment is needed.
- When [OUT OF ADJUST] is displayed. (When

the screen displays an entirely dark image, the
automatic screen adjustment may be disabled.
When making an automatic adjustment, be
sure to either use the Adjustment Pattern or try
displaying an image that makes the entire
screen very bright.)

- When the computer's video input signals are

Composite Sync or Sync on Green. (Automatic
adjustments may not be possible.)

- Automatic adjustment may not be achieved

correctly depending on what is displayed on the
screen - moving pictures or the MS-DOS prompt
etc.

Options in the ADJUSTMENT Menu can be
adjusted automatically (CLOCK, PHASE, H-POS,
V-POS).

Notes:
- When setting up this monitor for the first time or

after having changed an aspect of the current
system, perform an automatic screen adjustment
before use.

- Automatic screen adjustment is unnecessary

when the LL-171G is used with a digital
connection. Perform manual screen adjustment
when necessary. (p.20)

First display an image that makes the entire
screen light.
If you are using Windows, you can use the
Adjustment Pattern on the accompanying CD-
ROM.

Opening the Adjustment Pattern (for Windows)
This explanation is for Windows 95/98/2000/Me/
XP, and assumes that the CD-ROM drive is "D"
drive.
1. Load the accessory CD-ROM into the CD-ROM

drive of the computer.

2. Open [My Computer] and select CD-ROM. If

using Windows 3.1, open [File Manager] and
choose "D" drive.

3. Double click on [Adj_uty.exe] to run the

Adjustment Program. The Adjustment Pattern will
appear.

Adjustment Pattern

After completing the adjustments, press the
computer's [Esc] key to exit the Adjustment
Program.

Note:
- If your computer's display mode is set to 65K

colors, you may see the different color levels in
each color pattern or the gray scale may look
colored. (This is due to the specification of the
input signal and is not a malfunction.)

171AG_gb.P65

12/4/2003, 1:14 PM

19

When the LL-171G is used with a digital
connection, this menu adjustment is not
necessary.

AUTO
When [AUTO] is selected with the   button, the
[CLOCK], [PHASE], [H-POS] and [V-POS] settings
are automatically adjusted.

CLOCK
The figure below demonstrates how to adjust so
that vertical flicker noise is not emitted.

(    buttons)

PHASE
The figure below demonstrates how to adjust so
that horizontal flicker noise is not emitted.

(    buttons)
Note:
- Adjustments to [PHASE] should be made only

after [CLOCK] has been correctly set.

H-POS (horizontal positioning) and V-POS
(vertical positioning)
To center the Adjustment Pattern within the
boundaries of the screen, adjust the left-right (H-
POS) values and the up-down (V-POS) values.
(    buttons)

1. Display an image that makes the entire screen

light. (p.19)

2. Display the OSD Menu by pressing the MENU

button.
(Example: Displayed screen of the LL-171G)

 MENU

 MENU

 MENU

 MENU

 MENU

The OSD Menu closes.

Notes:
- When the LL-171G is used with a digital

connection, ADJUSTMENT and GAIN
CONTROL Menu adjustments are not necessary.

- The OSD Menu automatically disappears

approximately 30 seconds after the last command.

- This chapter provides the procedure how to

adjust the screen by using Adjustment Pattern
(for Windows).

Screen frame

Vertical flicker noise

Horizontal flicker noise

Adjustment

Pattern

Select the
option by
pressing the

 / MODE

button.

Select the
option by
pressing the

 / MODE

button.

Select the
option by
pressing the

 / MODE

button.

Select the
option by
pressing the

 / MODE

button.

Select the
option by
pressing the

 / MODE

button.

171AG_gb.P65

12/4/2003, 1:14 PM

20