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CHAPTER 1. OUTLINE OF THE PRODUCT,
CHAPTER 2. CONNECTION, ADJUSTMENT,
CHAPTER 3. DISSASEMBLY AND REASSEMBLY ...................................... 16
CHAPTER 4. TROUBLE SHOOTING ............................................................ 18
CHAPTER 5. HARDWARE ............................................................................ 20
CHAPTER 6. CIRCUIT DIAGRAM ................................................................. 23
CHAPTER 7. PARTS LAYOUT ...................................................................... 30
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.
SERVICE MANUAL
MODEL
CONTENTS
NOMENCLATURE AND FUNCTION ......................................... 1
OPERATION AND FUNCTIONS................................................ 5
SHARP CORPORATION
LCD COLOR MONITOR
LL-T1610W
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
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Summary of Contents for Sharp LL-T1610W
- Page 1 SERVICE MANUAL LCD COLOR MONITOR LL-T1610W MODEL CONTENTS CHAPTER 1. OUTLINE OF THE PRODUCT, NOMENCLATURE AND FUNCTION ......... 1 CHAPTER 2. CONNECTION, ADJUSTMENT, OPERATION AND FUNCTIONS..........5 CHAPTER 3. DISSASEMBLY AND REASSEMBLY ........16 CHAPTER 4. TROUBLE SHOOTING ............18 CHAPTER 5.
- Page 2 • Screen angle adjustment Tilt: Upward: 0° - 30° Swivel: Total from left through right: 90° (turntable form) • Power supply AC100-240V, 50/60Hz (Use special AC adapter, type NL-A54J of Sharp Corporation.) • Temperature of operating environment 5 - 35°C...
- Page 3 Relevant signal timings (analog) Relevant signal timings (digital) Display mode Hsync (kHz) Vsync (Hz) Dot frequency (MHz) Display mode Hsync (kHz) Vsync (Hz) Dot frequency(MHz) VESA 640 x 480 31.5kHz 60Hz 25.175MHz VESA 640 x 480 31.5kHz 60Hz 25.175MH 37.9kHz 72Hz 31.5MHz 37.9kHz...
- Page 4 The digital signal input connector pin Power management The monitor is based on the VESA DPMS*1 and the DVI DMPM*2 standards. To activate the monitor’s Power Management function, both the video card and the computer must conform to the VESA DPMS standard and the DVI DMPM standard.
- Page 5 3. PRODUCT DESCRIPTION 12. Digital signal input terminal Front view Rear view Remove the rear cover to see the digital signal input terminal (DVI-D24 pin). Use this when connecting to the PC’s digital RGB output terminal. A computer with an output terminal conforming to DVI (DVI-D24 pin or DVI-I29 pin) and with SXGA output capability can be connected here.
- Page 6 CHAPTER 2. CONNECTION, ADJUSTMENT, OPERATION AND FUNCTIONS 4. Connect the AC adapter to the monitor’s power terminal, and 1. CONNECTING THE MONITOR AND connect the power cord to the AC adapter. TURNING THE MONITOR ON AND OFF 1-1. CONNECTING THE MONITOR TO A POWER Run cord SOURCE through hole...
- Page 7 7. Replace the stand cover. If connecting to a D-sub 15 pin 2 row Apple Power Macintosh, attach a Macintosh conversion adapter (to be purchased separately) to the analog signal cable. Run the analog signal cable through here. Macintosh conversion adapter Analog signal cable After connecting the adapter, tighten the 8.
- Page 8 3. Replace the stand cover. Installing set-up information and the ICC profile (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 Run the digital signal methods may differ.
- Page 9 Click on [Settings], [Advanced] and [Monitor]. If the "Add New Hardware Wizard" has not appeared: Place the Utility Disk in the computer’s A drive. In [Options], check [Automatically detect Plug & Play monitors] and click on [Change]. Click on the [Start] button. From [Settings], choose [Control Panel].
- Page 10 Setting up the ColorSync profile 4. Plug the USB device into the monitor’s USB downstream port. • Notes: A floppy disk drive is necessary. In addition, it is neces- sary to have PC Exchange or File Exchange installed in your system. •...
- Page 11 3. After the reset has been completed, press the power button to 2-2. ADJUSTING THE SCREEN DISPLAY turn off the power. (WHEN USING AN ANALOG SIGNAL) 4. After a period of several seconds press the power button to turn the monitor back on. (1) AUTOMATIC SCREEN ADJUSTMENT •...
- Page 12 3. Double click on [Adj_uty.exe] to run the Adjustment Program. The ADJUSTMENT Menu Adjustment Pattern will appear. Adjustment pattern MANUAL:Individual menu options are manually adjusted. • Notes: After completing the adjustments, press the computer’s AUTO: Every menu option is automatically adjusted. [Esc] key to exit the Adjustment Program.
- Page 13 H-POS (horizontal positioning) and V-POS (vertical positioning) CONTRAST To center the screen image within the boundaries of the screen, While watching the color pattern, adjustments can be made so that all adjust the left-right (H-POS) values and the up-down (V-POS) values. graduations appear.
- Page 14 OSD H-POSITION (OSD horizontal position) WHITE BALANCE Menu The position of the OSD display can be moved to the left and right. buttons) OSD V-POSITION (OSD vertical position) The position of the OSD display can be moved up and down. buttons) EXPAND (Screen expansion) For display modes of less than 1280 x 1024 pixels, the display can be...
- Page 15 INPUT (Input mode) (2) ADJUSTING THE ANGLE OF THE MONITOR The input mode can be set. ( buttons) Lightly holding both sides of the monitor, adjust it to a suitable viewing angle. VESA : VESA mode MAC : Power Macintosh mode CAUTION 400 LINES (degree of resolution) Pressure from hands on the LCD panel could cause damage.
- Page 16 5. Remove the four screws and then remove the stand from the monitor. Information 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 reattached be sure to use the original screws.
- Page 17 CHAPTER 3. DISASSEMBLY AND REASSEMBLY [1] Separating LCD and stand [2] Disassembling and reassembling the 1. Pull the cover downward to remove. 1. Remove the 5 screws and 2 screws and pull up the rear 2. Slide the rear arm rearward to remove.
- Page 18 5. Remove the 6 screws and 2 screws and cables and then 9. Remove the 5 screws and then remove the LCD PWB cover remove the I/F PWB Pay attention to the joint between the I/F PWB and the LCD PWB indicated by the letter "A".
- Page 19 CHAPTER 4. TROUBLESHOOTING Nothing is displayed on screen Go to procedure 1. LED does not come on. Check M62334FP VON (main PWB CN4,7) are (main PWB IC19) outputted (High)? and its peripheral circuits. LED (orange) stays in orange. Go to procedure 2. Inverter PWB is normal? Inverter PWB is defective.
- Page 20 Nothing is displayed on the PC screen (analog Nothing is displayed on the PC screen (digital DVI). RGB) SiI151A outputs GHS and Go to procedure 7. VSYNC? HSYNC and VSYNC are (main PWB R26, R25) Go to procedure 6. inputted (LVC126, IC15)? Check the main PWB IC12 GFBK and GVS are outputted? and IC14 and their peripheral...
- Page 21 2-2-1. General ports CHAPTER 5. HARDWARE The PW164 incorporates 16-bit I/O ports which can be set for every bit. Here are applications of the general ports . [1] System description Signal CPU port Function name 1. Hardware specification PORTA0 I/O I C data Item Description...
- Page 22 possible to rewrite the boot area). [7] M62334 The VPPEN signal is used to mask the WE signal of flash memory, The M62334, a 4-channel, 8-bit DA converter which is controlled by instead of controls the VPP of flash memory (VPP is always applied). the I C, controls the backlight and LED.
- Page 23 3-1-5. Minimum starting voltage [9] uPD72012 10.0 V DC (0 °C) This is a Bus-Powered hub controller which conforms Rev.1.1. This 3-2. Operation control input Von block is independent from the system and thus there is no need for OFF when Von = 0 - 0.5 V (current consumption is less than 10 mA) software control.
- Page 33 © COPYRIGHT 2001 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.