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SERVICE MANUAL

CONTENTS

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.

SHARP CORPORATION

This document has been published to be used
for after sales service only.
The contents are subject to change without once.

LLT15G1SME

LCD MONITOR

LL-T15G1

 MODEL

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. CONNECTOR SIGNAL NAME • BLOCK DIAGRAM •

CIRCUIT DIAGRAM • PWB LAYOUT . . . . . . . . . . . . . . . . . . . .5 - 1

Summary of Contents for LL-E15G1

Page 1: ...s document has been published to be used for after sales service only The contents are subject to change without once LLT15G1SME LCD MONITOR LL T15G1 MODEL 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 CONNECTOR SIGNAL NAME BLOCK DIAGR...

Page 2: ...onment 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 Relevant signal timings All are compliant only with non interlaced Frequencies for Power Macintosh are reference values If the monitor is receiving timing signals that are not...

Page 3: ...s and a part of the appearance are subject to change without notice 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 2 5 1 3 4 10 6 7 8 9 15 11 12 13 14 ...

Page 4: ... 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 in...

Page 5: ...angle 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 5 25 approx approx Prohibited range approx 25 approx 5 ...

Page 6: ... outlet 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 com puter 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 meth ods may differ Please follow the computer s own operation...

Page 7: ...ng 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 ...

Page 8: ...e 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 sec tion to be attached The arm must not fall off or break off after being attached to the mon itor Note Do not overly bend the cable or add extension cords as this could lead to malfunction 1 Ensure that both the monitor and...

Page 9: ...r 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 2 Adjust by pressing the e button darker or the d button lighter The BRIGH...

Page 10: ...u will be displayed 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 Notes The OSD Menu automatically disappears approximately 30 seconds after the last command This explanation is based on using the Adjustment Pattern for Windows to make adjustments MENU ...

Page 11: ... B CONTRAST e button for yellow d button for blue MENU 4 MODE SELECT 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 horizontal position The position of the OSD display can be moved to the left and right e d buttons OSD V POSITION OSD v...

Page 12: ...nction MENU 3 WHITE BALANCE COOL STD WARM 5 levels USER R G B 0 100 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 ...

Page 13: ...ST MENU WHITE BALANCE COOL STD WARM USER SELECT B CONTRAST SELECT SELECT G CONTRAST R CONTRAST MENU MODE SELECT OSD H POSITION SELECT OSD V POSITION SELECT 400 LINES SELECT SCALING SELECT LANGUAGE 1 Adjusting the backlight Buttons 2 Resetting all adjustment values Power ON Power ON Press the above two buttons at same time and while turn the power on 3 ADJUSTMENT menu reser Press the two buttons at...

Page 14: ...wo 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 connector 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 ...

Page 15: ...ronizing signal is input to main PWB Replace RGB cable with a new one LED turns on in orange 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 Replace any defective unit 1 Adapter 2 A Main PWB 3 Switch PWB with a new one Backlight tur...

Page 16: ...T buttons while turning on power switch Screen stays in black Screen stays in white Screen jitters or on screen characters flicker Abnormal color Check the following signals 1 Check if module control signal is output 2 Check if VLCD voltage is output normally Yes No Yes No Yes No CLOCK and PHASE can be adjusted Does abnormal area move on screen when BLACK LEVEL or CONT is changed after H POS or V ...

Page 17: ...2 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 20 GO0 20 GE6 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 6 SN2 26 GND 26 GE1 27 RO3 27 GE0 28 RO2 28 GND 29 RO...

Page 18: ...nd clock generator input Sync processor and clock generator R G B 8 8 8 ADC Power management DATACLK HSOUT VSOUT SOGOUT VCLK1 FCLK1 IC03 TLC2933 IC 05 MTV230 IC04 EEPROM ISCL ISDA DC 12Vin POWER Control 5V 3 3V HSOUT VSOUT OSD R OSD G OSD B IC07 OSD TFT LCD EEPROM Interface Control Register Input mode Detection Calibration Control Center Output Sync processor and clock generator Digital Data Proce...

Page 19: ...LL T15G1 E15G1 CONNECTOR SIGNAL NAME BLOCK DIAGRAM CIRCUIT DIAGRAM PWB LAYOUT 5 3 A B C D 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 D C B A 3 CIRCUIT DIAGRAM ...

Page 20: ...LL T15G1 E15G1 CONNECTOR SIGNAL NAME BLOCK DIAGRAM CIRCUIT DIAGRAM PWB LAYOUT 5 4 4 PWB LAYOUT A SIDE ...

Page 21: ...LL T15G1 E15G1 CONNECTOR SIGNAL NAME BLOCK DIAGRAM CIRCUIT DIAGRAM PWB LAYOUT 5 5 B SIDE ...

Page 22: ...002 April Printed in Japan t COPYRIGHT 2002 BY SHARP CORPORATION All rights reserved Printed in Japan No part of this publication may be reproduced stored in a retrieval system or transmitted In any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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