NEC LCD1711M Service Manual
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NEC LCD1711M Service Manual

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PART NO. 599910618

SERVICE MANUAL

LCD1711M (UK)/(CE)
COLOR MONITOR
Model Series 872
NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION
NOVEMBER 2002
200212
08E11ABM
08E12ABM

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  • Page 1: Service Manual

    PART NO. 599910618 SERVICE MANUAL LCD1711M (UK)/(CE) COLOR MONITOR Model Series 872 NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION NOVEMBER 2002 200212 08E11ABM 08E12ABM...
  • Page 2 WARNING The SERVICE PERSONNEL should have the appropriate technical training, knowledge and experience necessary to: • Be familiar with specialized test equipment, and • Be careful to follow all safety procedures to minimize danger to themselves and their coworkers. To avoid electrical shocks, this equipment should be used with an appropriate power cord. This equipment utilized a micro-gap power switch.
  • Page 3 CONTENTS Page No. USER'S MANUAL -------------------------------------------------------------------- 1-1 SERIAL NUMBER INFORMATION ----------------------------------------------- 2-1 MECHANICAL CONSTRUCTION ------------------------------------------------ 3-1 DISASSEMBLY ----------------------------------------------------------------------- 4-1 TROUBLESHOOTING --------------------------------------------------------------- 5-1 FUNCTION TEST & ALIGNMENT PROCEDURE -------------------------------- 6-1 DDC KEY-IN PROCEDURE -------------------------------------------------------- 7-1 BLOCK DIAGRAM ------------------------------------------------------------------- 8-1 SCHEMATIC DIAGRAMS ---------------------------------------------------------- 9-1 REPLACEMENT PARTS LIST --------------------------------------------------- 10-1...
  • Page 4 User’s Manual LCD1711M User’s Manual...

  • Page 5: Table Of Contents

    Table of Contents Recommended Use ................2 Safety Precautions and Maintenance ..........2 Introduction ..................4 About the Product ................4 Package Overview ................5 Declaration of the Manufacturer ............5 Declaration of the Manufacturer .............5 Installation ................... 6 Product Overview ................6 VESA Mount on your monitor ............

  • Page 6: Recommended Use

    • The power cable connector is the primary means of detaching the system from the power supply. The monitor should be installed close to a power outlet which is easily accessible. • Handle with care when transporting. Save packaging for transporting. LCD1711M – 2...
  • Page 7 NOTE: As with all personal display devices, NEC-Mitsubishi Electronics Display- Europe recommends using a moving screen saver at regular intervals whenever the screen is idle or turning off the monitor when not in use.

  • Page 8: Introduction

    Environmental Considerations: Operating Temperature: 5 °C to 35 °C Humidity: 30 % to 80 % Altitude: 0 to 3,050 m Storage Temperature: -10 °C to +60 °C Humidity: 10 % to 85 % Altitude: 0 to 12,000 m LCD1711M – 4...

  • Page 9: Package Overview

    Audio-In Cable User’s Manual CD ROM Declaration of the Manufacturer We hereby certify that the and marked with: monitor LCD1711M is in compliance with Council Directive 73/23/EEC: – EN 60950 Council Directive 89/336/EEC: – EN 55022 NEC-Mitsubishi Electric Visual – EN 61000-3-2 Systems Corporation –...

  • Page 10: Installation

    Installation Product Overview Front View LCD Display Panel Controls Stand Speakers Rear View Kensington Lock Connector Ports Audio-In VGA input Power-In LCD1711M – 6...

  • Page 11: Vesa Mount On Your Monitor

    VESA Mount on your monitor This monitor conforms to the VESA Flat Panel Mounting Physical Mounting Interface Standard which defines a physical mounting interface for flat panel monitors, and corresponding standards for flat panel monitor mount- ing devices, such as wall and table arms. The VESA mounting interface is located on the back of your monitor.

  • Page 12: Start Your Installation

    1280 x 1024 resolution and make sure timing of the display mode is compatible with the LCD display. We have listed the "Compatibility Modes" of this LCD display in appendices for your reference. LCD1711M – 8...
  • Page 13 Figure 8.1 (2) VGA Cable (3) Audio-In cable (1) Power Adapter & Power Cord 9 – User’s Manual 1-10...

  • Page 14: User Controls

    User Controls Front Panel Controls i t c A “ ” t i t p c t i – v i t v i t LCD1711M – 10 1-11...

  • Page 15: How To Use The Osd Menus

    How to Use the OSD Menus 1. Press the "M" button to display the OSD Menus. Press the "M" button to move between the OSD Menus. Press "S" to enter the functions to be adjusted and then press "S" to move between functions. 2.
  • Page 16 It allows you to adjust the red color of the display. • Color Adjustment-Green It allows you to adjust the green color of the display. • Color Adjustment-Blue It allows you to adjust the blue color of the display. LCD1711M – 12 1-13...

  • Page 17: Appendix

    Appendix Troubleshooting If you are experiencing trouble with the LCD display, refer to the following. If the problem persists, please contact your local dealer or our service center. Problem: No image appears on screen. • Check that all the I/O and power connectors are correctly and well connected as described in the "Installation"...

  • Page 18: Warning Signal

    This message means that the signal of the computer graphic card is not compatible with the LCD display. When the signal is not included in the compatibility mode we have listed in the Appendices of this manual, the LCD will display this message. LCD1711M – 14 1-15...

  • Page 19: Product Dimensions

    Product Dimensions Front View 377.5 mm/14.86” 382.7 mm/15.07” Side View 52 mm/2.05” Top View 169.9 mm/6.57” 15 – User’s Manual 1-16...

  • Page 20: Compatibility Modes

    Compatibility Modes LCD1711M – 16 1-17...

  • Page 21: Fcc Information

    FCC Rules. Windows is a registered trademark of Microsoft Corporation. NEC is a registered trademark of NEC Corporation. is a U.S. registered trademark. All other brands and product names ®...

  • Page 22: Tco'99

    TCO’99 LCD1711M Congratulations! You have just purchased a TCO’99 approved and labeled product! Your choice has provided you with a product devel- oped for professional use. Your purchase has also contributed to re- ducing the burden on the environment and also to the further develop- ment of environmentally adapted electronics products.

  • Page 23: Environmental Requirements

    To obtain complete information on the environmental criteria document, order from: TCO Development Unit SE-114 94 Stockholm SWEDEN FAX Number: +46 8 782 92 07 E-mail (Internet): development@tco.se You may also obtain current information on TCO’99 approved and labelled products by visiting their website at: http://www.tcodevelopment.com LCD1711M – 86 1-20...

  • Page 24: Serial Number Information

    Serial Number Information Refer to the serial number information shown below. EX.) SERIAL NUMBER LABEL Model Name : LCD1711M SERIAL NO. : g g g g g g g g g g Year code of production : (Last number of Year)
  • Page 25 Mechanical Construction 1. Package overview AUDIO CABLE (7) POWER CABLE (8) VGA CABLE (9) SET UP SHEET (10) Unit of Use’s Manual (11) ADAPTER (4) DC DE-ATTACHABLE CABLE (5) HDPE BAG (6) CUSHION T (1) CUSHION B (2) CARTON (3) CARTON LABLE (12)
  • Page 26 CABLE POWER CORD 1830mm SP-023+IS14 EUR. (CE ver Only) 42.59901.003 CABLE VGA 15P 1800mm 2 CORE VX Series 36.59306.001 SET UP SHEET LCD1711M 36.59307.002 USER'S MANUAL LCD1711M(CD-ROM),UK(W/WARRANT (UK ver Only) 36.59307.003 USER'S MANUAL LCD1711M(CD-ROM),EUROPE,W/SAL (CE ver Only) 35.59102.001 SHIPPING LABEL LCD1511M...
  • Page 27 2. Exploded Overview...
  • Page 28 ASSY SPEAKER PV872CS 51.59902.002 TRANSITOR WASHER GL-SW06501 PBT+G61B 51.59111.003 BASE PC+ABS-CP02 PV758A 51.59112.003 DRAW PLATE PC+ABS-CP02 PV758A 75.59301.011 ASSY FRONT COVER PC+ABS VS07A LCD1711M 51.59302.005 REAR COVER PC+ABS-CP02 LCD1711M 52.00004.001 RUBBER PAD 52.56101.001 RUBBER FOOT PG-GF-20A-R1B 20*20*1.5t 61.00042.001 LOCK BRKT+CAP SECC 0.8t 61.59111.004...
  • Page 29 42.56902.003 W.A. 12/6P UL1007 #24 300mm PV872CS(INV) 42.59305.001 W.A. 4P UL1571 #28 240mm PV872CS(SPEAKER) 52.59301.001 RUBBER DECORATION PV872A 51.59305.001 INSULATION MYLAR FOR PV872 42.59306.001 W.A. 8P UL1571 #28 100mm PV872CS,Audio 42.59304.001 W.A. 3P AUDIO 260mm PV872CS 80.59305.001 PCBA AUDIO BD W/O EARPHONE PV872CS...
  • Page 30 1 Disassembly of Stand Unit from Monitor Make LCD1711M face down as figure 1, and put your hands to lift the stand up as figure 2. Unscrew the four screws of Stand unit.(Figure 3)
  • Page 31 Remove the Stand Unit (Figure 4) carefully. Figure 4 2 Disassembly of Hinge Tilt and Base Unscrew the two screws of Hinge Tilt (Figure 5). Open the join to separate Base and Hinge Tilt (Figure 6). Figure 5 Figure 6 Draw Plate, Hinge Tilt and Base are as figure 7, 8, 9.
  • Page 32 3 Disassembly of Front Cover, Rear Cover, Control and Audio Boards Press the Speaker Cover and pull the latches out between Speaker and Rear Cover. (Figure 10) Unscrw the two screws. (Figure 10) Pull the latches out between Front Cover and Rear Cover to lift up the Front Cover. (Figure 11).
  • Page 33 4 Disassembly of LCD Panel, Speakers Use phillip screw driver to detach the LCD panel and Rear cover (Figure 15). Unplug speaker wires, audio wire and Connector wire and then unscrew the two screws and unplug another speaker wire to tear off Audio board. (Figure 16) Unscrew the four screw to take off speaker.(Figure 16) Figure 15 Figure 16...
  • Page 34 5 Disassembly of Main Board and all wires Unscrew the two screws to remove the Bracket (Figure 19), unplug all connectors unscrew the four hex screws of Main Board and the four screws to remove the Main Board.(Figure 20) Unscrew the four screws and remove Support Bracket.(Figure 20) Figure 19 Figure 20 Tear off the tape and unplug the interface cable (Figure 21) tear off the tape to take off...

  • Page 35: Main Procedure

    TROUBLESHOOTING 1 Equipment Needed LCD1711M Monitor (Personal Computer) 2 Main Procedure...
  • Page 36 A. Power Circuit Troubleshooting B. Performance Troubleshooting...
  • Page 38 C. Contorl Function Troubleshooting D. Speakers Troubleshooting...
  • Page 39 Function Test & Alignment Procedure SXGA OSD is displayed and cursor is moved to Display Mode. Press "Menu" and "-" simultaneously for 5 seconds. with signal...
  • Page 40 without signal...
  • Page 41 Standard Resolution Vertical Horizontal Refresh(Hz) Scan(kHz)
  • Page 44 Auto Adjustment Auto Adjustment Tracking Image Screen Frequency Image screen Horizontal Position Vertical Position...
  • Page 46 general test pattern Visual Inspection     !"# #$ !% ( !%           &#$'       ! "#*#$ ! % *( ! %   )   !+#,#$-! ,(-! &#$'...
  • Page 47 Electrical Inspection            !   "  # " %#     $ &    #     '    #    ()  ** +* +   $ %$  ...
  • Page 49 Appearance Inpsection: (Scratches/Abrasions)

  • Page 52: System Connection

    DDC Key-in Procedure 1. System connection This system should be connected as shown below. DDC Communication I/F BOARD 2. Input signal Horizontal synchronization frequency : Not specified. Vertical synchronization frequency : Not specified. 3. Program Service tool Ver. 3.14 (Parameter ver. 2.0-S5) (Part No. 599910612)
  • Page 53 3) Start [Service2.EXE] of the service tool Ver. 3.14. 4) When the screen as shown below appears, give a check to [LCD] of [Monitor Type] and press the [START] button. 5) When the screen as shown below appears, adjust the cursor to [LCD1711M] and make a double click.
  • Page 54 6) When the screen as shown below appears, give a check to [EDID_READ] and press the [OK] button. 7) When the screen as shown below appears, confirm that the correct data are displayed in the columns of EDID DATA CONTENTS and Serial information. If all the displayed data are [FF] or the like, or if the serial number is different from that of the corresponding unit, then EDID data writing should be carried out.
  • Page 55 9) When the screen as shown below appears, examine the serial number of the unit, enter an input in the column of [Input Serial No.] through the keyboard, and press the [Input OK] button. Enter an input in the column of [.Year=> ] in manufactured year(A.D. four digits) and [Month=>] in manufactured month through the keyboard, and press the [Input OK] button.

  • Page 56: Edid Data File

    5. EDID data file EDID date: LCD1711M.edi Week of manufacture = Month of manufacture × 4 Note 1: address 10h Note 2: address 11h Year of manufacture - 1990 Note 3: address 71h ~ 7Dh Serial Number (ASCII coded) If less than 13 char, terminate with 0Ah and fill the rests with 20h.

  • Page 57: Block Diagram

    BLOCK DIAGRAM Frame Memory Optional U13/U14 /U15 JP13 R/G/B anal og input Even D_sub R/G/B Dat a Even Hsync/Vsyn c input 15 Pin RxEINX- Hsync/V sync RxEINX+ Panel Clk Si gnal RxEClK TMDS Signa l Input GM 5020 Sansung 17" Connector Analog Sign al Input Optional...
  • Page 58 SCHEMATIC DIAGRAM (POWER CIRCUIT) +3.3VA +3.3VA NC/0R 3.3VD RC11173 C299 NC/10uF/16V +12VA 100uF/16V 100uF/16V 0.1uF 0.1uF (Audio) Audio12 12VBL +12VA C345 22uH NC/BEAD 22uH SI-8050S +12VT 150uH 22uH RC1117 C293 +VIN VOUT POWER +2.5V 0.1uF 100uF C342 0.1uF 0.1uF /16V C344 C327 0.1uF...
  • Page 59 SCHEMATIC DIAGRAM (INPUT CONNECTOR) R134 NC/100 R135 NC/100 SDA1 SCL1 /RESET /RESET1 YUV0 YUV1 R137 YUV3 NC/0 YUV2 YUV4 BLON YUV5 YUV6 BLON BRIGHT Video3.3 Video5 YUV7 BRIGHT /RESET VCLK /RESET VOLUME VOLUME DVI CONNECTOR NC/HEADER 10X2 YUV[0..7] YUV[0..7] (VIDEO) VCLK NC/10uF/16V NC/0.1uF...
  • Page 60 SCHEMATIC DIAGRAM (D-SUB CNNT & MUX) VGA_5V BAV70 R101 NC/DAN217K SOT23 NC/0 NC/DAN217K NC/DAN217K NC/DAN217K C302 R102 R103 0.1uF 4.7K 4.7K R104 SCL_IN2 C301 R105 NC/0.1uF SDA_IN2 DDCSCL DDCSCL 4 DDCSDA DDCSDA VS_VGA R106 10K HS_VGA R107 10K PCB2421 SCL_IN2 R108 10K SDA_IN2 R121...
  • Page 61 SCHEMATIC DIAGRAM (u-Processor) HDATA[0..3] 5 HDATA0 R145 BEAD LEDRED LEDGRN HDATA1 PWR_SW HDATA2 MENU SELECT HDATA3 KEY+ KEY- 10KX4 HCLK/SCL HCLK 5 HFS/SDA C168 C169 HEADER 4X2 HFS 5 /IRQ 10uF/16V 10uF/16V C329 (KEYPAD) C330 /IRQ 5 C328 220pF 220pF 10KX4 220pF 10uF/16V...
  • Page 62 SCHEMATIC DIAGRAM (gm5020) 75/1% DCLK 7 DVDD_3.3 DVDD_3.3 DVDD_2.5 DVDD_3.3 22pF 22pF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 220pF 220pF 220pF 220pF 220pF 220pF 220pF 220pF 220pF AVDD_2.5 DHS 7 AVDD_2.5 DCLK DVS 7 DEN 7 AVDD_2.5 DVDD_2.5 DVDD_2.5...
  • Page 63 SCHEMATIC DIAGRAM (MEMORY STORE) +3.3V +3.3V +3.3V C142 C143 C144 C145 C146 C147 C148 C149 C150 C151 C152 C153 C154 C155 C156 C157 C158 C159 C160 C161 C162 10uF 0.1uF 0.1uF 0.1uF 220pF 220pF 220pF 10uF 0.1uF 0.1uF 0.1uF 220pF 220pF 220pF 10uF...
  • Page 64 SCHEMATIC DIAGRAM (Output Interface) BEAD +3.3VD3 +3.3VD +3.3VD3 +3.3VD3 RP18 BEAD DARED[0..7] DABLU4 DARED[0..7] DABLU5 R153 C360 C361 C208 C209 DAGRN[0..7] DABLU6 DAGRN[0..7] DABLU7 0.1uF 0.1uF 10uF/16V 0.1uF DABLU[0..7] C210 C211 C212 C213 DABLU[0..7] BEAD 22pF 22pF 22pF 22pF 100X4 DBRED[0..7] R154 +3.3VD...

  • Page 65: Replacement Parts List

    REPLACEMENT PARTS LIST The components specified for Model LCD1711M (UK ver) The components specified for Model LCD1711M (CE ver) SYMBOL Part No for Coretronic DESCRIPTION Remark 47.59301.001 ADAPTER IN:100-240V OUT:12V/3.33A;FOR NMV;" 51.59902.002 TRANSITOR WASHER GL-SW06501 PBT+G61B 52.00004.001 RUBBER PAD 52.59301.001 RUBBER DECORATION PV872A 51.59111.003...
  • Page 66 SYMBOL Part No for Coretronic DESCRIPTION Remark 35.00016.001 LABEL BARCODE 6*38mm BLANK 43.52102.002 SWITCH PUSH PT-002-B2 DC12V 50mA 43.52102.002 SWITCH PUSH PT-002-B2 DC12V 50mA 43.52102.002 SWITCH PUSH PT-002-B2 DC12V 50mA 43.52102.002 SWITCH PUSH PT-002-B2 DC12V 50mA 43.52102.002 SWITCH PUSH PT-002-B2 DC12V 50mA 80.59305.001 PCBA AUDIO BD W/O EARPHONE PV872CS 00.59301.001...
  • Page 67 SYMBOL Part No for Coretronic DESCRIPTION Remark R104 01.10136.501 RES RP 100 5% 1/16W #0603 R105 01.10136.501 RES RP 100 5% 1/16W #0603 01.10136.501 RES RP 100 5% 1/16W #0603 01.10136.501 RES RP 100 5% 1/16W #0603 01.10136.501 RES RP 100 5% 1/16W #0603 01.10136.501 RES RP 100 5% 1/16W #0603 RP18...
  • Page 68 SYMBOL Part No for Coretronic DESCRIPTION Remark 01.51136.501 RES RP 510 5% 1/16W CHIP #0603;"TA-I TECHNO 01.51136.501 RES RP 510 5% 1/16W CHIP #0603;"TA-I TECHNO R109 01.75016.501 RES RP 75 1% 1/16W CHIP #0603;"TA-I TECHNOL R110 01.75016.501 RES RP 75 1% 1/16W CHIP #0603;"TA-I TECHNOL R111 01.75016.501 RES RP 75 1% 1/16W CHIP #0603;"TA-I TECHNOL...
  • Page 69 SYMBOL Part No for Coretronic DESCRIPTION Remark C128 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC" 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC" 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC" C164 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC" C165 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603;...
  • Page 70 SYMBOL Part No for Coretronic DESCRIPTION Remark C355 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC" C356 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC" C357 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC" C358 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603; "YCTC" C359 02.10887.101 CAP CC 0.1uF +80%-20% 50V Y5V #0603;...
  • Page 71 SYMBOL Part No for Coretronic DESCRIPTION Remark C235 02.22447.101 CAP CC 22pF 5% 50V NPO #0603; "YCTC","TEAM C236 02.22447.101 CAP CC 22pF 5% 50V NPO #0603; "YCTC","TEAM C237 02.22447.101 CAP CC 22pF 5% 50V NPO #0603; "YCTC","TEAM C238 02.22447.101 CAP CC 22pF 5% 50V NPO #0603; "YCTC","TEAM C239 02.22447.101 CAP CC 22pF 5% 50V NPO #0603;...
  • Page 72 SYMBOL Part No for Coretronic DESCRIPTION Remark 02.22547.101 CAP CC 220pF 10% 50V X7R #0603 02.22547.101 CAP CC 220pF 10% 50V X7R #0603 02.22547.101 CAP CC 220pF 10% 50V X7R #0603 02.22547.101 CAP CC 220pF 10% 50V X7R #0603 02.22547.101 CAP CC 220pF 10% 50V X7R #0603 02.22547.101 CAP CC 220pF 10% 50V X7R #0603...
  • Page 73 42.59903.002 CABLE AUDIO 1.8M FOR PC99+MARK 35.59102.001 SHIPPING LABEL LCD1511M 36.59306.001 SET UP SHEET LCD1711M 36.59307.002 USER'S MANUAL LCD1711M(CD-ROM),UK(W/WARRAN UK ver Only 36.59307.003 USER'S MANUAL LCD1711M(CD-ROM),EUROPE,W/SALCE ver Only 51.59307.001 PE BAG HDPE 745*530*0.04t PV872 "NMV" 55.56712.001 CORNER BOARD 40*40*5*1480mm 55.57202.001 CORNER BOARD 40*40*5*960mm 55.59302.001...

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