Sharp LLTE15G1 Schematic

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Page 1

SERVICE MANUAL

MODEL

CONTENTS

CODE : 00Z

LLT15G1SME

LCD MONITOR

LL-T15G1 LL-E15G1

CHAPTER 1. OUTLINE OF THE PRODUCT,

NOMENCLATURE AND FUNCTION . . . . . . . . . . . . . . . . .1 - 1

CHAPTER 2. CONNECTION, ADJUSTMENT,

OPERATION AND FUNCTIONS . . . . . . . . . . . . . . . . . . . .2 - 1

CHAPTER 3. DISASSEMBLY AND ASSEMBLY . . . . . . . . . . . . . . . . . . .3 - 1

CHAPTER 4. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

CHAPTER 5.

CONNECTORSIGNALNAME• BLOCK DIAGRAM • CIRCUIT DIAGRAM • PWB LAYOUT

. . . . . . . . . . . . . . . . . . . .5 - 1

Parts marked with "!" are important for maintaining the safety of the set. be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

This document has been published to be used

SHARP CORPORATION

for after sales servic e only. The contents are subject to change without once.

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CHAPTER 1. OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION

1. SPECIFICATIONS

■■■■PRODUCT SPECIFICATIONS

• LCD display 38 cm measured diagonally

TFT LCD module

• Resolution (max.) XGA 1024 u 768 pixels

• Displayable colors (max.)

16.19 million colors (6 bit + FRC2bit)

• Brightness (max.) 260cd/m

• Dot pitch

0.297(H) u 0.297(V) mm

• Contrast ratio 350 : 1

• Angle of visibility Left-right 160° ; Up-down 150°

• Screen display size Horizontal 304.1 mm u Vertical 228.1 mm

• Video signal Analog RGB (0.7Vp-p) [75Ω]

• Sync signal Separate Sync (TTL level: +/-), Sync on Green,

Composite Sync (TTL level: +/-)

• Expansion compensation Digital screening (Enlargement of display to correct VGA/SVGA)

• Plug & Play VESA: DDC1/DDC2B compatible

• Power management VESA: Based on DPMS

• Input signal terminal 15 pin mini D-sub (3 rows)

• Screen tilt Upward approx. 0° - 25° ; downward approx. 0° - 5°

• Power supply AC100-240V, 50/60Hz

(Use special AC adapter, type NL-A60J of Sharp Corporation.)

• Temperature of operating environment 5 - 35°C

• Power consumption Maximum 35W (3W when in power-saving mode)

(Use special AC adapter.)

• Dimensions (W u D u H) 339 mm u 187 mm u 322 mm

• Weight Approx. 3.4 kg (Excluding AC adapter and RGB signal cable.)

■■■■DIMENSIONS (Units: mm)

339

283

322

187

RGB signal cable: Approx.1.8m

Special AC adapter

Approx.1.5m

Approx. W 124mm u D 62 mm u H 36mm

Relevant signal timings

Display mode

VESA 640 u 480 31.5kHz 60Hz 25.175MHz

800 u 600 35.1kHz 56Hz 36.0MHz

1024 u 768

US text 720 u 400 31.5kHz 70Hz 28.3MHz Power

Macintosh series

• All are compliant only with non-interlaced.

• Frequencies for Power Macintosh are reference values.

• If the monitor is receiving timing signals that are not compatible, [OUT OF TIMING] will appear. Follow your computer’s instruction manual to set the timing to be compatible with the monitor.

• If the monitor is not receiving any signal (synch signal), [NO SIGNAL] will appear.

640 u 4 80 35.0kHz 66.7Hz 30.2MHz 832 u 6 24 49.7kHz 74.6Hz 57.3MHz

1024 u 768

Hsync

(kHz)

37.9kHz 72Hz 31.5MHz

37.5kHz 75Hz 31.5MHz

37.9kHz 60Hz 40.0MHz

48.1kHz 72Hz 50.0MHz

46.9kHz 75Hz 49.5MHz

48.4kHz 60Hz 65.0MHz

56.5kHz 70Hz 75.0MHz

60.0kHz 75Hz 78.75MHz

60.2kHz 75Hz 80.0MHz

Vsync

(Hz)

187

Dot frequency

(MHz)

LL-T15G1/E15G1 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION

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The connector pin Power management

The monitor is based on the VESA DPMS. To activate the monitor’s Power Management function, both the video

15 11121314

(Mini D-sub connector with 15 pins)

25134

6789

No. Function No. Function

1 Red video signal input 9 +5V 2 Green video signal input 10 GND 3 Blue video signal input 11 N.C. 4 GND 12 DDC data 5 GND 13 For H-sync signal input 6 For red video signal GND 14 For V-sync signal input 7 For green video signal GND 15 DDC clock 8 For blue video signal GND

card and the computer must conform to the VESA DPMS standard. DPMS: Display Power Management Signalling

DPMS mode Screen

ON Display on 35W Yes Yes STANDBY Display off 3W No Yes SUSPEND Yes No OFF No No

DDC (Plug & Play)

This monitor supports the VESA DDC (Display Data Channel) standard. DDC is a signal standard for carrying out Plug & Play functions on the

monitor or PC. It transfers information such as degree of resolution between the monitor and PC. You can use this function if your PC is DDC compliant and if it is set so that it can detect the Plug & Play monitor.

There are many varieties of DDC due to the differences between systems. This monitor works with DDC1 and DDC2B.

Power

consumption

H-sync V-sync

2. TECHNICAL SPECIFICATIONS

Item MIN TYP MAX Unit

Power supply voltage AC 90 100 110 V

DC 11.4 12.0 12.6 V Working temperature range 0 . +40 °C Storing temperature range -20 . +60 °C Humidity range 10 . 90 %RH Visual angle range Vertical (CR u 5) . 150 . Temperature

Horizontal (CR u 5) . 160 . Temperature Contrast ratio (CR) (θ = 0°) . 400 .. Response speed Leading (tr) . 625ms

Trailing (td) . 19 50 ms Screen white chromaticity (X) 0.273 0.303 0.333 .

(Y) 0.283 0.313 0.343 . White surface luminance (Y

) . 260 . cd/m

Module model number

*Specifications and a part of the appearance are subject to change without notice.

LL-T15G1/E15G1 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION

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■■■■NOMENCLATURE AND FUNCTION

Control Panel

MENU SELECT

345

1 MENU button

This button is used to pop-up, select and close the On Screen Display (OSD) Menu.

2 SELECT button

This button is used to selects menu options when the OSD Menu is displayed.

3 e d button

When the OSD Menu is displayed: These buttons are used to increase or decrease the value of a selected option. When the OSD Menu is not displayed: These buttons are used to adjust backlight brightness.

4 POW ER LED

The LED is lit green when in use and orange when in power-saving mode.

5 Power button

Pressing this button turns the power on. (After turning the power on, it may take a little time before the screen displays.) Press the button again to turn the power off.

6 Power terminal

The AC adapter is connected here.

7 RGB input terminal

The RGB signal cable is connected here.

8 Security lock anchor

By connecting a security lock (purchased separately) to the security lock anchor, the monitor is fixed so that it cannot be transported. The security slot works in conjunction with Kensington Micro Saver Security Systems.

9 Ventilation openings

Note: Never block the ventilation openings as this may lead to

overheating inside the monitor and result in malfunction.

67 8

■■■■STANDING UP AND ADJUSTING THE MONITOR

CAUTION!

Caution: Pressure from hands on the LCD panel could cause damage.

Standing up the monitor

Press down on the stand and lift up the top section of the monitor.

• Be careful not to pinch your fingers.

• When raising the display section, movement becomes harder in the middle of travel. Continue raising by applying more force at that point.

• When the monitor is used with an arm mounting, movement becomes stiffer to keep the display section from tipping over. This is not a malfunction.

LL-T15G1/E15G1 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION

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Adjusting the monitor

Press down on the stand and adjust it to a suitable viewing angle.

approx. approx.

Folding up the monitor

1. Remove the AC adapter and the RGB signal cable.

2. Press down on the stand and gently fold back the monitor.

• Be careful not to pinch your fingers.

• Do not use the monitor when tilted back beyond approximately 25°.The monitor may fall over leading to injury or malfunction.

x.5

appro

approx.25

Prohibited range

LL-T15G1/E15G1 OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION

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CHAPTER 2. CONNECTION, ADJUSTMENT, OPERATION AND FUNCTIONS

1. CONNECTION

1-1. CONNECTING THE MONITOR TO A COMPUTER

(PC ETC.)

When connecting, ensure that both the monitor and computer are switched off.

Note: Do not overly bend the cable or add extension cords as this could

lead to malfunction.

Firmly insert the analog RGB terminal (mini D-sub 15 pin with 3 rows) then tighten the screws each side.

RGB signal cable

If connecting to a D-sub 15 pin 2 row Apple Power Macintosh, attach a Macintosh conversion adapter (to be purchased separately) to the RGB signal cable.

Macintosh conversion adapter

RGB signal cab le

After connecting the adapter, tighten the screws on each side to fix into place.

1-2. CONNECTING THE MONITOR TO A POWER

SOURCE

Before connecting, first turn off the monitor’s main power switch. Note: Do not overly bend the cable or add extension cords as this could

lead to malfunction.

1. Connect the AC adapter to the monitor’s power terminal

Power terminal

AC adapter

2. Attach the power cord to the AC adapter and place the power plug into the AC terminal

AC terminal

Power cord

2. POWER ON/OFF

2-1. TURNING THE POWER ON

1. Press the monitor’s power button.

2. Turn on the computer. The power LED will be lit green, and the screen will display an image.

Turn on device to which monitor is connected

Press power button

Notes: • If using the monitor for the first time or after having changed

the system setting during use, perform an automatic screen adjustment.

• Depending on the co mput er or O S, it may be nec ess ar y to use the computer to install monitor set-up i nformation. If so, fo llow the steps below to install the monitor set-up information.

2-2. TURNING THE POWER OFF

1. Turn the computer off.

2. Press the monitor's power button. The Power LED will disappear. If the monitor is not going to be used for a long period of time, be sure to unplug it from the AC outlet.

Turn off device to which monitor is connected

OFF

Press power button

2-3. INSTALLING SET-UP INFORMATION AND THE

ICC PROFILE (FOR WINDOWS).

Depending on the computer or OS, it may be necessary to use the computer to operate the installation of monitor set-up information etc. If so, follow the steps below to install the monitor set-up information.

(Depending on the type of computer or OS, command names and methods may differ. Please follow the computer’s own operation manual while reading this.)

■About the ICC profile

An ICC (International Color Consortium) profile is a file that describes the color characteristics the LCD monitor. By using an application that works together with an ICC profile, a high color resolution can be realized.

• Windows98, WindowsMe and Windows2000 all use the ICC profile.

• When installing Windows98, WindowsMe and Windows2000 set-up information (described below), the ICC profile is also installed. If you would like to install the ICC program only, please refer to Installing the ICC profile on page 15.

• When using the ICC profile, please set the [WH ITE BALANC E] to [ ST D].

LL-T15G1/E15G1 CONNECTION, ADJUSTMENT, OPERATION AND FUNCTIONS

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■Installing set-up information

For Windows95

Installing monitor set-up information into Windows95. This explanation assumes that the floppy disk drive is “A drive”.

1. Place the Utility Disk (provided) into the computer’s A drive.

2. Click on the [Start] button. From [Settings], choose [Control Panel].

3. Double click on [Display].

4. Click on [Settings], [Advanced Properties], and [Monitor], then [Change].

5. Click on [Have disk], confirm that [Copy manufacturer’s files from:] is [A:] then click [OK].

6. Confirm that the monitor details are selected, and click [OK].

7. Check that the monitor details are displayed, then click [Apply].

8. Click [OK], and close the window.

9. Remove the Utility Disk from the A drive.

For Windows98

Installing monitor set-up information into Windows98, and setting the monitor’s ICC profile as a predetermined value. This explanation assumes that the floppy disk drive is “A drive”.

If the “Add new Hardware Wizard” has appeared:

1. Place the Utility Disk (provided) into the computer’s A drive.

2. Click [Next].

3. Check [Display a list of all the drivers in a specific location, so you can select the driver you want.], then click [Next].

4. When [Models] is displayed, click on [Have disk], confirm that [Copy manufacturer’s files from:] is [A:], and click [OK].

5. Confirm that the monitor details are selected, then click [Next], [Next], and [Finish]. If the “Add New Hardware Wizard” appears, repeat the installation commands beginning from 2 above.

6. Remove the Utility Disk from the A drive.

If the “Add New Hardware Wizard” has not appeared:

1. Place the Utility Disk in the computer’s A drive.

2. Click on the [Start] button. From [Settings], choose [Control Panel].

3. Double click on [Display].

4. Click on [Settings], [Advanced] and [Monitor].

5. In [Options], check [Automatically detect Plug & Play monitors] and click on [Change].

6. Click [Next].

7. Click on [Display a list of all the drivers in a specific location, so you can select the driver you want.], then click [Next].

8. When [Models] is displayed, click on [Have disk], confirm that [Copy manufacturer’s files from:] is [A:], and click [OK].

9. Confirm that the monitor details are selected, then click [Next], [Next], and [Finish].

10. Check that the monitor details are displayed, then click [Apply].

11. Click [OK], and close the window.

12. Remove the Utility Disk from the A drive.

For Windows2000

Installing monitor set-up information into Windows2000, and setting the monitor’s ICC profile as a predetermined value. This explanation assumes that the floppy disk drive is “A drive”.

1. Place the Utility Disk (provided) into the computer’s A drive.

2. Click on the [Start] button. From [Settings], choose [Control Panel].

3. Double click on [Display].

4. Click on [Settings], [Advanced] and [Monitor].

5. Click on [Properties], [Driver] and [Update Driver].

6. When [Upgrade Device Driver Wizard] appears, click [Next].

7. Check [Display a list of the known drivers for this device so that I can choose a specific driver] and click [Next].

8. When [Models] is displayed, click on [Have disk], confirm that [Copy manufacturer’s files from:] is [A:], and click [OK].

9. Select the monitor from the list displayed and click [Next].

10. Click [Next], confirm that the monitor’s name appears on the screen, and click [Finish]. If [The Digital Signature Not Found] appears, click [Yes].

11. Click on [Close].

12. Click [OK], and close the window.

13. Remove the Utility Disk from the A drive.

For WindowsMe

Installing monitor set-up information into WindowsMe, and setting the monitor’s ICC profile as a predetermined value. This explanation assumes that the floppy disk drive is “A drive”.

If the “Add new Hardware Wizard” has appeared:

1. Place the Utility Disk (provided) into the computer’s A drive.

2. Check [Specify the location of the driver [Advanced]] and click [Next].

3. Check [Display a list of all the drivers in a specific location, so you can select the driver you want.], then click [Next].

4. When [Models] is displayed, click on [Have disk], confirm that [Copy manufacturer’s files from:] is [A:], and click [OK].

5. Select the monitor details from the list, then click [Next], [Next], and [Finish]. If the “Add new Hardware Wizard” appears, repeat the installation commands beginning from 2 above.

6. Remove the Utility Disk from the A drive.

If the “Add New Hardware Wizard” has not appeared:

1. Place the Utility Disk in the computer’s A drive.

2. Click on the [Start] button. From [Settings], choose [Control Panel].

3. Double click on [Display].

4. Click on [Settings], [Advanced] and [Monitor].

5. In [Options], check [Automatically detect Plug & Play monitors] and click on [Change].

6. Check [Specify the location of the driver [Advanced]] and click [Next].

7. Check [Display a list of all the drivers in a specific location, so you can select the driver you want.] and click [Next].

8. When [Models] is displayed, click on [Have disk], confirm that [Copy manufacturer’s files from:] is [A:], and click [OK].

9. Select the monitor details, then click [Next], [Next], and [Finish].

10. Check that the monitor details are displayed, then click [Apply].

11. Click [OK], and close the window.

12. Remove the Utility Disk from the A drive.

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■Installing the ICC profile

Installing the monitor’s ICC profile. (If the set-up information has already been installed, so too has the profile, and there is no need to install it.) This explanation assumes that the floppy disk drive is “A drive”.

1. Place the Utility Disk in the computer’s A drive.

2. Click on the [Start] button. From [Settings], choose [Control Panel].

3. Double click on [Display].

4. Click on [Settings] and [Advanced].

5. Click on [General] and from [Compatibility] select [Apply the new display setting without restarting], then click on [Color Management].

6. Click [Add], and select [3

7. Choose the color profile that you would like to install, and click on [Add].

8. Choose the profile and click on [Set As Default].

/2 Floppy [A:]] as the file location.

4. Being careful not to damage the monitor, spread out a soft cloth and lay the monitor on it display-side down.

5. Attach the arm to the monitor with four screws.

9. Click [OK], and close the window.

10. Remove the Utility Disk from the A drive.

• When using the ICC profile, please set the [WHITE BALANCE] to [STD].

3. INSTRU CTION S FOR INSTALLING A VESA COMPLIANT ARM

An arm based on the VESA s tandard can be attached to the monitor. The arm must be purchased separately.

When choosing the arm to be installed please take note of the following points.

• The arm should be compatible with the VESA standard, and there must be a gap of 75mm u 75mm between the screw holes on the section to be attached.

• The arm must not fall off or break off after being attached to the monitor.

Note: Do not overly bend the cable or add extension cords as this

could lead to malfunction.

1. Ensure that both the monitor and computer are switched off.

2. Remove the AC adapter and the RGB signal cable.

Information

The screws used to attach the arm should be M4 screws with a length of 4 mm ~ 6 mm protruding from the surface to be attached. Using any other kind of screw may lead to the monitor falling off or damage to the internal part of the monitor.

4 ~ 6 mm

Screw used to attach arm

Arm Part of monitor to

which arm is attached

6. Connect the AC adapter and the RGB signal cable.

3. Press down on the stand and gently fold back the monitor. Be sure to completely fold the monitor back to stopping point. If it is attempted to install the arm while the monitor is not completely folded back, the monitor may suddenly fall, leading to malfunction.

Be careful not to pinch your fingers.

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4. ADJUSTING THE SCREEN DISPLAY

Adjustment the backlight (right column)

Brightness of backlight can be adjusted.

Automatic screen adjustment

The CLOCK, PHASE, H-POS (horizontal positioning) and V-POS (vertical positioning) functions can be adjusted automatically.

Manual screen adjustment

Fine adjustments can be made using the On Screen Display (OSD) Menu.

Note: All adjustments will be saved even after turning the power off.

■■■■Resetting all adjustment values

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 SELECT button simultaneously, and while doing this press the power button (i.e. turn the power on). When [ALL RESET] appears on the screen, the reset is complete.

3. Turn off the monitor power.

Notes: • While ALL RESET is displayed, the control buttons are dis-

abled.

• It is not possible to reset values when the adjustment lock is in place. Remove the adjustment lock before attempting to operate control buttons.

■■■■ADJUSTMENT menu reset

The adjustment values of the analogue signal time’s ADJUSTMENT menu can be returned to their original ex-factory values.

1. Turn on the monitor power.

2. Press the MENU button and the e button simultaneously. When [RESET] appears on the screen, the reset is complete.

■■■■Adjustment lock function

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 button until the message appears on the screen.

When the menu is unlocked:

[ADJUSTMENT LOCKED] will appear on the screen, and the lock will be set.

When the menu is locked:

[ADJUSTMENT UNLOCKED] will appear on the screen, and the lock will be removed.

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

are disabled.

4-1. ADJUSTING THE BACKLIGHT

1. Without the OSD Menu being displayed, press the e button or the d button.

BRIGHT 31

2. Adjust by pressing the e button (darker) or the d button (lighter). The BRIGHT bar automatically disappears several seconds after the last command.

4-2. AUTOMATIC SCREEN ADJUSTMENT

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

Note: 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 adjustment screen display

To perform an automatic adjustment, first display an image that makes the entire screen very bright. If you are using Windows, you can also use the Adjustment Pattern on the accompanying Utility Disk for Windows.

Displaying the Adjustment Pattern (for Windows)

This explanation is for Windows 95/98/2000/Me, and assumes that the floppy disk drive is [A drive].

Note: If the floppy disk drive of your computer is not “A drive”, please

read the below substituting the floppy disk drive you are us ing in place of “A drive” or “A”.

1. Place the Utility Disk (provided) into the computer’s A drive.

2. Open [My Computer] and select [3

3.1, open [File Manager] and choose “A drive”.

3. Double click on [Adj_uty.exe] to run the Adjustment Program. The Adjustment Pattern will appear.

Adjustment pattern

After completing the adjustment, 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 input signal specification and is not a malfunction.)

/2 Floppy (A:)]. If using Windows

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■■■■Adjusting the screen automatically

1. Press the MENU button. The ADJUSTMENT Menu will be displayed.

ADJUSTMENT

MANUAL AUTO CLOCK

PHASE 16 H

POS 200

POS 29

1024X768 V:75Hz H :60.0kHz

2. Press the d 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 4 times to make the On Screen Display (OSD) Menu disappear.

Notes: • In most cases automatic adjustment is sufficient.

• If necessary due to any of the following, manual adjustments can be performed after the automatic adjustment.

• When further fine adjustment is needed.

• When the computer’s video input signals are Compos ite Sync or Sync On Green. (Automatic adjustments may not be possible.)

127

MENU 1: ADJUSTMENT

ADJUSTMENT

MANUAL AUTO CLOCK

PHASE 16 H

POS 200

POS 29

1024X768 V:75Hz H :60.0kHz

MANUAL : Individual menu options are manually adjusted. AUTO : Every menu option is automatically adjusted. Notes: • Press the d button to select [AUTO].

• To choose a menu option: SELECT button

• To go to the next menu: MENU button

CLOCK

The figure below demonstrates how to adjust so that vertical flicker noise is not emitted. (e d buttons)

Vertical flicker noise

127

• 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.)

4-3. MANUAL SCREEN ADJUSTMENT

Adjustments can be made using On Screen Display (OSD) Menu provided.

1. Display an image that ma kes the entire screen very bright. If using Windows, you can open and use the Adjustment Pattern on the accompanying Utility Disk.

2. Press the MENU button. The ADJUSTMENT Menu will be displayed.

ADJUSTMENT

MANUAL AUTO CLOCK

PHASE 16 H

POS 200

POS 29

1024X768 V:75Hz H :60.0kHz

At this point relevant menu options can be adjusted. Each time the MENU button is pressed the next menu is selected. (ADJUSTMENT 3 GAIN CONTROL 3 WHITE BALANCE 3 MODE SELECT 3 OSD Menu disappears)

127

PHASE

The figure below demonstrates how to adjust so that horizontal flicker noise is not emitted. (e d buttons)

Note: Adjustments to PHASE should be m ade only after CLOCK has

been correctly set.

Horizontal flicker noise

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 buttons)

Screen frame

Adjustment

pattern

Notes: • The OSD Menu automatically disappears approximately 30

seconds after the last command.

• This ex planation is based on using the Adjustment Pattern (for Windows) to make adjustments.

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MENU 2: GAIN CONTROL

GAIN CONTROL

MANUAL AUTO BL ACK

CONTRAST 80

1024X768 V:75Hz H :60.0kHz

LEVEL 16

MANUAL : Individual menu options are manually adjusted. AUTO : Every menu option is automatically adjusted using the Auto

Gain Control* function.

Notes: • Press the d button to select [AUTO].

• To choose a menu option: SELECT button

• To go to the next menu : MENU button

* Auto Gain Control function

• The Auto Gain Control adjusts contrast and black level based on the brightest color of the image displayed. If you are not using the Adjustment Pattern it is necessary to have an area of 5 mm u 5 mm of white displayed, and if not adjustments may not be possible. (In such case, [OUT OF ADJUST] will appear and setting values remain unchanged.)

• If the signal coming from the computer is composite sync or sync on green, automatic adjustment cannot be performed. Please perform manual adjustment instead.

BLACK LEVEL

Total screen brightness can be adjusted while watching the color pattern. (e d buttons)

Color pattern

CONTRAST

While watching the color pattern, adjustments can be made so that all graduations appear. (e d buttons)

MENU 3: WHITE BALANCE

WHITE BALANCE

STD WARM USER

COOL R

CONTRAST

1024X768 V:75Hz H :60.0kHz

Notes: • On settings other than [STD] not all graduations can be dis-

played. To display all graduations, set to [STD].

• Use the e d buttons to select [COOL], [ • ], [STD], [ • ], [WARM] or [USER].

• Selecting USER will display the setting values for [R-CONTRAST], [G-CONTRAST] and [B-CONTRAST], in order to make fine adjustments.

• U se the SELECT button to select [R-CONTRAST], [G-CONTRAST] and [B-CONTRAST].

• To go to the next menu: MENU button

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

MENU 4: MODE SELECT

MODE SELECT

OS D

H-

POSITION

V-

OS D 400 SCAL I NG 3 LA NGUAGE

1024X768 V:75Hz H :60.0kHz

Notes: • Depending on the resolution of the input signal, even if menu

options can be selected, the display may not change.

• To choose a menu option : SELECT button

• When adjustment complete: MENU button

OSD H-POSITION (OSD horizont al position)

The position of the OSD display can be moved to the left and right. (e d buttons)

OSD V-POSITION (OSD vertical position)

The position of the OSD display can be moved up and down. (

400 LINES (degree of resolution)

You can specify the horizontal resolution of a 400-line screen when using US text, etc. (e d buttons)

640: 640 u 400 dot mode 720: 720 u 400 dot mode (US text etc.)

Note: As the resolution input for other than 400 lines is done automati-

cally, there is no need to set it.

SCALING (Level of scaling)

The sharpness of the image can be adjusted. (e d buttons) Notes: • When the display mode is set to less than 1024 u 768 pixels,

the display is enlarged to cover the whole screen (i.e. the side ratio of the display may change).

• If a resolution of 1024 u 768 pixels cannot be achieved even after expansion is attempted, the screen’s perimeter will display black. (This is not a malfunction.)

COLORS

Maximum display colors can be set. (e d buttons) 260K (260,000) and 16M (16.19 million)

LANGUAGE

Messages displayed on the screen and OSD Menu contents can be changed to the following languages.

Dutch, English, French, German, Spanish, Italian, Swedish.

1. Press the d button. The Language Selection Menu will be displayed on the screen.

2. Use the SELECT button to choose a language.

3. Press the MENU button or the d button. The setting is complete.

POSITION

L I NES 640 720

e d

buttons)

LL-T15G1/E15G1 CONNECTION, ADJUSTMENT, OPERATION AND FUNCTIONS

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Page 12

5. ADJUSTMENT

5-1. ADJUSTMENT ITEM LIST

BUTTON ITEM ADJUSTMENT DESCRIPTION

MENU MENU 1:

MENU 1

MENU 2

MENU 3

MENU 4

MENU END

SELECT Select the item < > 0~31 Adjusting the backlight POWER OFF

ADJUSTMENT

MENU 2: GAIN CONTROL

MENU 3: WHITE BALANCE

MENU 4: MODE SELECT

MANUAL CLOCK 0~255 CLOCK: The figure below demonstrates how to

PHASE 0~31 PHASE: The figure below demonstrates how to

H-POS H-POS (horizontal positioning) and V-POS

AUTO Automatic screen adjustment

MANUAL BLACK LEVEL 0~63 BLACK LEVEL:Total screen brightness can be

CONTRAST 0~100 CONTRAST: While watching the color pattern,

AUTO GAIN CONTROL Menu

COOL • STD • WARM (5 levels), USER R • G • B: 0~100

OSD H-POSITION OSD H-POSITION (OSD horizontal position)

OSD V-POSITION OSD V-POSITION (OSD vertical position)

400 LINES 640 • 720 400 LINES (degree of resolution)

SCALING 1~5 SCALING (Level of scaling)

COLORS Maximum display colors can be set. (e d buttons)

LANGUAGE 7 countrys

DEUTSCH, ENGLISH, ESPANOL, FRANCAIS, ITALIANO, NE T H ER LAND, SVENSKA

V-POS (vertical positioning)

AUTO: Every menu option is automatically adjusted

WHITE BALANCE Menu

USER

260K (260,000) and 16M (16.19 million) LANGUAGE

adjust so that vertical flicker noise is not emitted. (e d buttons)

adjust so that horizontal flicker noise is not emitted. (e d

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

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

using the Auto Gain Control function.

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 R-CONTRAST : e button for blue-green G-CONTRAST : e button for purple B-CONTRAST : e button for yellow

The position of the OSD display can be moved to the left and right. (e d buttons)

The position of the OSD display can be moved up and down. (e d buttons)

You can specify the horizontal resolution of a 400line screen when using US text, etc. (e d buttons)

640: 640 u 400 dot mode 720: 720 u 400 dot mode (US text etc.)

The sharpness of the image can be adjusted. (e d buttons)

Messages displaye d on the screen and OSD Menu contents can be changed to the following languages.

Dutch, English, French, German, Spanish, Italian, Swedish.

e d buttons)

e de d

adjusted while watching the color pattern. (e d buttons)

adjustments can be made so that all graduations appear. (e d

d button for red d button for green d button for blue

e d buttons)

e de d

e d buttons)

e de d

LL-T15G1/E15G1 CONNECTION, ADJUSTMENT, OPERATION AND FUNCTIONS

2 – 7

Page 13

5-2. ADJUSTMENT METHOD

1) Adjusting the backlight Buttons

2) Resetting all adjustment values

MENU SELECT

Press the above two buttons at same time, and while turn the power on.

3) ADJUSTMENT menu reser

4) Adjustment lock function

Power ON

While pressing the MENU button, turn the power on.

5) Automatic screen adjustment

ADJUSTMENT AUTO

Power ON

Press the two buttons at same time.

SELECT SELECT SELECT SELECT

CLOCK PHASE H-POS V-POS

( buttons) ( buttons) ( buttons) ( buttons) ( buttons)

GAIN CONTROL AUTO

SELECT SELECT

WHITE BALANCE COOL STD WARM USER

MODE SELECT OSD H-POSITION

SELECT SELECT SELECT SELECT

6) Version display (for service) Power ON

Display the software version. Press the above two buttons at same time, and while turn the power on.

< VERSION & CHECK SUM >

BLACK LEVEL CONTRAST

( buttons)

OSD V-POSITION 400 LINES SCALING LANGUAGE

( buttons) ( buttons) ( buttons)

( buttons)

SELECT SELECT SELECT

B-CONTRAST G-CONTRAST R-CONTRAST

( SELECT buttons)

( buttons) ( buttons) ( buttons)

VERSION

CHECK SUM : OK DBCF

: 1.01 (20010831)

7) Aging (for service) Power ON

SELECT

Press the d button, Screen color is changed as following. Green 3 Light Blue 3 Red 3 Pink 3 Yellow 3 White 3 Blue When the test is terminate, Power off

AGING TEST

> : SET

MENU : END

LL-T15G1/E15G1 CONNECTION, ADJUSTMENT, OPERATION AND FUNCTIONS

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Page 14

CHAPTER 3. DISASSEMBLY AND ASSEMBLY

1. SEPARATING THE LCD FROM THE STAND

1) Remove the screw A and the two screws H, then, remove the hinge cover 2.

2) Remove the four screws B to separate the LCD from the stand.

3) Remove the two screws C and remove the hinge.

4) Remove the two screws i and disassembly the stand.

2. THE LCD SECTION

1) Remove the four screws A and the two screws C, then, remove the rear panel 1.

2) Remove the two lock screws J and the six screws C, then, remove the main board shield 2.

3) Remove the four screws F and remove the connec tor b, c, a and h, then, remove the main board 6.

4) Remove the four screws D, then, remove the inverter shield 3.

5) Remove the four screws G and remove the connec tor d, e, f and g, then, remove the inverter board 7.

6) Remove the three screws E, then, remove the front cover 4, LED filter 9, key button F and switch board 5.

7) Remove the four screws K and remove the LCD module 8.

LL-T15G1/E15G1 DISASSEMBLY AND ASSEMBLY

3 – 1

Page 15

CHAPTER 4. TROUBLESHOOTING

No power supply

Does LED turns on in green when power switch is turned on?

Backlight turns ON?

Yes

Check for RGB cable input signal.

Normal

Replace RGB cable.

Defective

Check each pin terminal of connector (W05)

Normal

LED turns on in red?

LED turns on in orange?

Yes

Check LED for breakage.

Check key cable for disconnection.

Yes

Replace any unit (main PWB, SW PWB, cable) which shows any defect, with a new one.

Check whether the unit is in power save mode (synchronizing signal is not input.).

1) PC is turned off?

2) RGB cable is disconnected?

3) Synchronizing signal is output from RGB cable?

Synchronizing signal is input to main PWB?

Yes

Check inverter PWB unit.

* Note: Use caution when checking output

side because it has a high voltage.

Normal

Replace LCD module with a new one.

Defective

Replace inverter PWB unit with a new one.

LL-T15G1/E15G1 TROUBLESHOOTING

Replace RGB cable with a new one.

Check power input system.

1) AC adapter * Normal? * Connected properly?

2) Blown out fuse (F1)?

3) +5VX, 3.3V, PVD, VDD, VD, 3V3, VLCD, 3V3 signal is output?

4) LED * Check LED for breakage. * Check the path between J101 (Pin 3)

and IC101 (Pin 16).

Yes

Replace any defective unit. [ 1) Adapter, 2) A Main PWB, 3) Switch PWB] with a new one.

4 – 1

Page 16

Screen does not operate normally.

Check screen condition by changing display modes.

Reset the microprocessor to check if screen condition changes. (Press and hold MENU and SELECT buttons while turning on power switch.)

Screen stays in black. Screen stays in white.

Check RGB cable.

Screen jitters or on-screen characters flicker.

Defective

Replace RGB cable with a new one.

Abnormal color

Check the following signals

1) Check if module control signal is output.

2) Check if VLCD voltage is output normally.

Yes No

Main PWB defective.

CLOCK and PHASE can be adjusted?

Yes No

Switch PWB defective

LL-T15G1/E15G1 TROUBLESHOOTING

4 – 2

Does abnormal area move on screen when BLACK LEVEL or CONT is changed after H-POS or V-POS is set?

Yes No

LCD panel defective.

Page 17

CHAPTER 5. CONNECTOR SIGNAL NAME • BLOCK DIAGRAM •

CIRCUIT DIAGRAM • PWB LAYOUT

1. CONNECTOR SIGNAL NAME

CONNECTOR W01 CONNECTOR W07 CONNECTOR W06

1Red 1GND 1GND 2 Green 2 BO7 2 DCLK 3 Blue 3 BO6 3 GND 4 Ground 4 BO5 4 DE-O 5 Ground 5 BO4 5 VSYNC 6 R-GND 6 GND 6 HSYNC 7G-GND 7 BO3 7 N.C 8 B-GND 8 BO2 8 GND

9 +5V 9 BO1 9 BE7 10 Ground 10 BO0 10 BE6 11 N.C 11 GND 11 BE5 12 (SDA) 12 GO7 12 BE4 13 H-sync 13 GO6 13 GND 14 V-sync 14 GO5 14 BE3 15 (SCL) 15 GO4 15 BE2

16 GND 16 BE1 17 GO3 17 BE0 18 GO2 18 GND 19 GO1 19 GE7

CONNECTOR W04

1 POW1 21 GND 21 GE5

2 GND 22 RO7 22 GE4

3 LED1 23 RO6 23 GND

4 LED2 24 RO5 24 GE3

5 SN1 25 RO4 25 GE2

6SN2 26GND 26GE1

CONNECTOR W05

1 N.C 32 GND 32 RE4

2 CON 33 N.C 33 GND

3 VEE 34 N.C 34 RE3

4 GND 35 N.C 35 RE2

5VDD 36GND 36RE1

20 GO0 20 GE6

27 RO3 27 GE0 28 RO2 28 GND 29 RO1 29 RE7 30 RO0 30 RE6 31 GND 31 RE5

37 RE0 38 VLCD 39 VLCD 40 GND

LL-T15G1/E15G1 CONNECTOR SIGNAL NAME • BLOCK DIAGRAM • CIRCUIT DIAGRAM • PWB LAYOUT

5 – 1

Page 18

2. BLOCK DIAGRAM

MAIN BOARD(TFT LCD DISPLAY ANALOG INTERFACE CONTROL BOARD)

IC01 AD9883

IC04

EEPROM

ISCL

ISDA

IC 05

MTV230

SCL SDA

IC03

TLC2933

HSOUT VSOUT

Camp Video gain Video level

Sync processor

and clock generator input Sync-processor

and clock

generator

IIC

Control

Input mode

Detection &

Calibration

ADC

DATACLK

HSOUT VSOUT

SOGOUT

Power

management

FCLK1

Output

Sync-processor

and clock generator

Control

Center

EEPROM

Interface

VCLK1

Digital

Data

Processor

Scaling

Dithering

OSD

IC02

AM101A-2

TFT LCD

DC 12Vin

IC07

OSD-R OSD-G

OSD-B

POWER

Control

LL-T15G1/E15G1 CONNECTOR SIGNAL NAME • BLOCK DIAGRAM • CIRCUIT DIAGRAM • PWB LAYOUT

+5V +3.3V

5 – 2

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2 1

3. CIRCUIT DIAGRAM

LL-T15G1/E15G1 CONNECTOR SIGNAL NAME • BLOCK DIAGRAM • CIRCUIT DIAGRAM • PWB LAYOUT

5 – 3

8 7 6 5 4

Page 20

4. PWB LAYOUT

A SIDE

LL-T15G1/E15G1 CONNECTOR SIGNAL NAME • BLOCK DIAGRAM • CIRCUIT DIAGRAM • PWB LAYOUT

5 – 4

Page 21

B SIDE

LL-T15G1/E15G1 CONNECTOR SIGNAL NAME • BLOCK DIAGRAM • CIRCUIT DIAGRAM • PWB LAYOUT

5 – 5

Page 22

No part of this publication may be reproduced,

stored in a retrieval system, or transmitted.

electronic, mechanical, photocopying, recording, or otherwise,

without prior written permission of the publisher.

2002 BY SHARP CORPORATION



Printed in Japan.

In any form or by any means,

SHARP CORPORATION Digital Document Systems Group Products Quality Assurance Department Yamatokoriyama, Nara 639-1186, Japan

2002 April Printed in Japan t