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NEC LCD1511M Service Manual
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NEC LCD1511M Service Manual

NEC LCD1511M Service Manual

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PART NO. 599910617

SERVICE MANUAL

LCD1511M (UK)/(CE)
COLOR MONITOR
Model Series 758
NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION
NOVEMBER 2002
200212
08E01ABM
08E02ABM

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  • Page 1: Service Manual

    PART NO. 599910617 SERVICE MANUAL LCD1511M (UK)/(CE) COLOR MONITOR Model Series 758 NEC-MITSUBISHI ELECTRIC VISUAL SYSTEMS CORPORATION NOVEMBER 2002 200212 08E01ABM 08E02ABM...
  • 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 MECHANICAL CONSTRUCTION ------------------------------------------------ 2-1 DISASSEMBLY ----------------------------------------------------------------------- 3-1 TROUBLESHOOTING --------------------------------------------------------------- 4-1 ALIGNMENT PROCEDURE ---------------------------------------------------------- 5-1 DDC KEY-IN PROCEDURE -------------------------------------------------------- 6-1 LCD SPECIFICATION --------------------------------------------------------------- 7-1 BLOCK DIAGRAM ------------------------------------------------------------------- 8-1 SCHEMATIC DIAGRAMS ---------------------------------------------------------- 9-1 REPLACEMENT PARTS LIST --------------------------------------------------- 10-1 APPENDIX ------------------------------------------------------------------------------ 11-1...
  • Page 4 User’s Manual LCD1511M User’s Manual Bedienerhandbuch Manual del usuario Manuel Utilisateur Manuale utente...

  • 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 Installation ................... 6 Product Overview ................6 VESA Mount on your monitor ............7 User Controls ..................9 Front Panel Controls ...............9 How to Use the OSD Menus ............

  • 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. LCD1511M – 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

    Auto-adjustment function • Foldable stand design brings users the conveniences for easy storage and VESA Mounting applications • Multilingual OSD user controls • VESA DPMS power saving • Built-in speakers for multimedia application • Kensington security lock slot LCD1511M – 4...

  • Page 9: Package Overview

    Audio-In Cable CD ROM User’s Manual Declaration of the Manufacturer We hereby certify that the and marked with: monitor LCD1511M 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 Speakers Controls Stand Rear View Audio Connector Audio-In Headphone Kensington Lock VGA Cable Power Connector LCD1511M – 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 mounting devices, such as wall and table arms.
  • Page 12 1024 x 768 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 appendi- ces for your reference. LCD1511M – 8...

  • Page 13: User Controls

    User Controls Front Panel Controls i t c A “ ” t i t p c t i – v i t v i t 9 – User’s Manual...

  • Page 14: How To Use The Osd Menus

    When you are experiencing vertical flickering bar, use this function to make an adjustment. • Tracking Synchronizes the signal timing of the display to that of the graphic card. When you are experiencing unstable to flickering image, use this function to make an adjustment. LCD1511M – 10...
  • Page 15 On-Screen Display Menus – continued Second OSD Menu: • Display Mode The display mode shows the display resolution, horizontal scan frequency, vertical refresh of the current mode. • OSD Off-Time Adjusts the time period for OSD menu disappear. • Language You are able to select the language of all menu items.

  • Page 16: Appendix

    Check and reconfigure the display mode of the vertical refresh rate of your graphic card to make it compatible with the LCD display. Problem: Vague image (characters and graphics). • Use "Frequency" to make an adjustment. If this problem still exists, use "Tracking" to make an adjustment. LCD1511M – 12...

  • Page 17: Warning Signal

    Appendix – continued Warning Signal Sometimes you probably will see the warning messages from this LCD screen. This means that the LCD display cannot exactly receive the signal from the computer graphic card. There are three kind of situations that may happen. Please check the connected cables or contact your local dealer for more information.

  • Page 18: Product Dimensions

    Product Dimensions 346 mm/13.6” Front View 341.2 mm/13.43” Side View 41.9 mm/1.65” Top View 171 mm/6.73” LCD1511M – 14...

  • Page 19: Compatibility Modes

    Compatibility Modes 15 – User’s Manual...

  • Page 20: Tco'99

    The length of time to reactivate the computer shall be reasonable for the user. Labelled products must meet strict environmental demands, for example, in respect of the re- duction of electric and magnetic fields, physical and visual ergonomics and good usability. LCD1511M – 80...

  • Page 21: Environmental Requirements

    TCO’99 Environmental Requirements Flame retardants Flame retardants are present in printed circuit boards, cables, wires, casings and housings. In turn, they delay the spread of fire. Up to thirty percent of the plastic in a computer casing can consist of flame retardant substances. Most flame retardants contain bromine or chloride and these are related to another group of environmental toxins, PCBs, which are suspected to give rise to severe health effects, including reproductive damage in fisheating birds and mammals, due to the bioaccumulative* processes.

  • Page 22: 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 23 Printed on recycling paper Printed in China 36.59106.001 Rev.A...
  • Page 24 Mechanical Construction 1. Package overview AUDIO CABLE (6) POWER CABLE (7) TAPE Adhesion on HDPE bag outside PE BAG CUSHION R (2) USER'S MAMUAL (9) TAPE SET UP SHEET (10) LCD MONITOR HDPE BAG ADAPTER (4) CUSHION L (3) FRONT CARTON (1) CARTON LABEL...
  • Page 25 CABLE POWER-CORD AC SP60+AS14 1.8M BLACK PV (UK ver Only) 42.50112.001 CABLE POWER CORD 1830mm SP-023+IS14 EUR. (CE ver Only) 51.59103.001 PE BAG HDPE 390*600*0.04t PV758 "NMV" 36.59106.002 USER'S MAMUAL LCD1511M(CD-ROM),UK(w/WWARRANT (UK ver Only) 36.59106.003 USER'S MANUAL LCD1511M(CD-ROM),EUROPE,W/SAL (CE ver Only) 36.59105.001 SET UP SHEET LCD1511M...
  • Page 26 2. Exploded Overview...
  • Page 27 48.59102.001 TFT LCD 15" XGA HANNSTAR HSD150SX84-A 49.59901.003 ASS'Y SPEAKER POD 8Ω PV890C 51.55311.001 SR LOCKER N66+V2/N PV755ASIP 75.59101.021 ASSY FRONTCOVER PC+ABS VS07 LCD1511M 51.59111.003 BASE PC+ABS-CP02 PV758A 51.59112.003 DRAW PLATE PC+ABS-CP02 PV758A 61.59101.001 REAR BUCKET SECC 1t PV758A 61.59102.001 R-HOLDER SECC 1t PV758A 61.59103.001...
  • Page 28 DISASSEMBLY Procedure of Disassembly 1 Disassembly of Stand Unit from Monitor LCD1511M...
  • Page 29 LCD1511M...
  • Page 30 2 Disassembly of Hinge Tilt and Base...
  • Page 31 3 Disassembly of Front Cover, Rear Cover, Control and Audio Boards Unscrew the two screws of Rear cover. Make the monitor unit face up, pull the latches out between Front cover and Rear cover (Figure10). Screw Unscrew the four screws of LCD panel. Screw Screw...
  • Page 33 4 Disassembly of LCD Panel, Main and Inverter Boards...

  • Page 34: Troubleshooting Procedure

    TROUBLESHOOTING Troubleshooting Procedure 1 Equipment Needed LCD1511M #101 and #107 2 Main Procedure...
  • Page 35 A. Power Circuit Troubleshooting B. Performance Troubleshooting...
  • Page 37 C. Function Troubleshooting D. Speakers Troubleshooting...
  • Page 38 E. Earphone Troubleshooting...
  • Page 39 Function Test & Alignment Procedure Function Test & Alignment Procedure OSD is displayed and cursor is moved to Display Mode. Press "Menu" key and "-" key is continued, and press "Power" button.
  • Page 40 Standrad Resolution Vertical Horizontal Refresh(Hz) Scan(kHz)
  • Page 43 Auto Adjustment Auto Adjustment Tracking Image Screen Frequency Image screen Horizontal Position Vertical Position...
  • Page 45 general test pattern...

  • Page 48: 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 49 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 [LCD1511M] and make a double click.
  • Page 50 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 51 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 52: Edid Data File

    5. EDID data file EDID date: LCD1511M.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 53: Lcd Specification

    LCD Specification 1. General Information Active matrix thin-film-transistor (TFT) Effective display size 12.0”(H) x 9.0”(V) / 304.1(H) x 228.1(V) mm 15.0” / 38.016 cm. diagonal Pixel number 1024 x 3 (H) x 768 (V) pixels Color filter arrangement R.G.B. vertical stripe Display method Conventional TFT with retardation film, Normally white...

  • Page 54: Inspection Conditions

    2. Defect, Scratch and Dust Inspection conditions: (a) Viewing distance is approximately 15~50cm (b) Ambient illuminant is from 300 to 500lux. (c) Viewing angle is normal to the LCD panel. (d) Ambient temperature is approximately 25deg C. (e) Input signal clock frequency: 40MHz DEFECT TYPE LIMIT Dark/ Bright Spot...
  • Page 55 2) Bright dot defect description Two adjacent 3) Dark dot defect description Two adjacent 4) Dark dot defect description Three adjacent...
  • Page 56 5) Minimum distance between dot defects Bright dot to bright dot Dark dot to dark dot...

  • Page 57: Block Diagram

    BLOCK DIAGRAM R/G/B DATA BUS PANEL ASIC RA/GA/BA/RB/GB/BB[2~7] D_SUB HS/VS INPUT TCON HannStar MASCOT VZ DDC_IIC VOLUME XTAL 12MHz BLON INVERTER EEPROM /IRQ VOLUME W78E62B AUDIO 8 ohm OUTPUT EEPROM 8 ohm 24LC16B +12A +12V AC (110-240V) ADAPTER DPMS +3.3V (50-60Hz) +2.5V...
  • Page 58 SCHEMATIC DIAGRAM (POWER SUPPER) +12VA 22uH 100uF/16V +12VA 0.1u 100uF/16V +12VA VCC-AUDIO SI-8050S 150uH 22uH On/Off 22uH +12VA INV_CTRL BRIGHTNESS +VIN VOUT BRIGHTNESS C134 C135 C132 0.1u 0.1u 0.01u 100p 0.1u 1000uF/16V 0.1u 100uF/16V 0.1u 0.1u 100uF/16V 10uF/25V 5V_MAIN=2.5A TU2001WNR-5P TU2001WNR-10P 0.1u IN5822...
  • Page 59 SCHEMATIC DIAGRAM (MCU & LCD POWER CTRL) XT-2 SST3906 RESET\ C127 C129 0.1UF 100K 1N4148 5.6K 0.1UF 10u/16V RESET\ C128 1UF/0805 0.1u 10K*4 12MHz LED_RED LED_RED AD0 / P0.0 1N4148 L E D_GREEN LED_GREEN AD1 / P0.1 DSUB_5V AD2 / P0.2 AD3 / P0.3 VDDCTRL AD4 / P0.4...
  • Page 60 SCMATIC DIAGRAM STV3 STV2-A (MASCOT VZ) STV2-A STV1 STV1-A STV1-A CPV-A CPV-A OE-A OE-A PWM0 BRIGHTNESS 1 PWM1 VOLUME VDDCTRL 1,3 INVCTRL BLUE-B[2..7] GREEN-B[2..7] RESET IRQ- RED-B[2..7] D I B V D D D O B V S S RED-B7 0.1u C A P _ H R E F B L U _ O U T B _ 7...
  • Page 61 SCHEMATIC DIAGRAM (VGA INPUT) DSUB_5V DSUB_5V BEAD 30 0.1u PA-RED DDC_SCL VGA_VSYNC VGA_HSYNC BEAD 30 0.1u GREEN DDC_SDA PA-GREEN DSUB_5V BEAD 30 0.1u BLUE PA-BLUE GREEN BLUE TU2001WNR-13P 75 1% 75 1% 75 1% GND-ANA INVCTRL INV_CTRL DAN217K DAN217K DAN217K DAN217K DAN217K DAN217K...
  • Page 62 SCHEMATIC DIAGRAM (OUTPUT CONNECTOR) LCDVDD RED-A[2..7] RED-A2 LCD_VDD RED-A3 RED-A4 LCD_VDD RED-A5 C115 RED-A6 RED-A7 0.1u GREEN-A[2..7] RP10 GREEN-A2 GREEN-A3 GREEN-A4 GREEN-A5 GREEN-A6 GREEN-A7 BLUE-A[2..7] BLUE-A2 BLUE-A3 BLUE-A4 BLUE-A5 BLUE-A6 BLUE-A7 CPH1-A CPH1-A CPH1-A CPH1-A STH-A RED-B[2..7] STH-A LOAD-A LOAD-A RED-B2 POL-A POL-A...

  • Page 63: Replacement Parts List

    REPLACEMENT PARTS LIST The components specified for Model LCD1511M (UK ver) The components specified for Model LCD1511M (CE ver) SYMBOL Part No for Coretronic DESCRIPTION Remark 47.59101.001 ADAPTER IN:100-240V OUT:12V/2.5A;FOR NMV;"L 35.59103.001 Rating Label LCD1511M 39.59102.003 DDC RECORDER LCD1511M 41.30318.001 EMI TAPE (80773) 30*70MM 41.80301.001...
  • Page 64 SYMBOL Part No for Coretronic DESCRIPTION Remark 01.10236.502 RES RP 1K 5% 1/16W #0603;"TA-I TECHNOLOGY" 01.10236.502 RES RP 1K 5% 1/16W #0603;"TA-I TECHNOLOGY" 01.10236.502 RES RP 1K 5% 1/16W #0603;"TA-I TECHNOLOGY" 01.10236.502 RES RP 1K 5% 1/16W #0603;"TA-I TECHNOLOGY" 01.10236.502 RES RP 1K 5% 1/16W #0603;"TA-I TECHNOLOGY"...
  • Page 65 SYMBOL Part No for Coretronic DESCRIPTION Remark 01.56036.501 RES RP 56 5% 1/16W*4 V8V 8P SMD 01.56036.501 RES RP 56 5% 1/16W*4 V8V 8P SMD 01.56036.501 RES RP 56 5% 1/16W*4 V8V 8P SMD 01.56036.502 RES RP 56 5% 1/16W CHIP #0603 01.56236.501 RES RP 5.6K 5% 1/16W CHIP #0603 01.56236.501...
  • Page 66 SYMBOL Part No for Coretronic DESCRIPTION Remark 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" 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;...
  • Page 67 IC EEPROM IS24C16-3G 16K BITS 100-400 KHZ I 21.24LC1.602 IC EEPROM 24LC16 2K*8 bits 100KHz IIC BUS " 21.W78E6.2B1 IC W78E62BP-40 MLU 4KB MTP 64KB ISP FL 39.59101.002 FW BIOS SOURCE CODE LCD1511M/HANNSTAR 35.00017.001 LABEL BIOS 13*11mm BLANK 35.00018.001 LABEL BARCODE 13*26.5mm BLANK 80.59102.011 PCBA AUDIO BD LCD1511M "NMV"...
  • Page 68 CE ver Only 35.59102.001 SHIPPING LABEL LCD1511M 36.59105.001 SET UP SHEET LCD1511M 36.59106.002 USER'S MAMUAL LCD1511M(CD-ROM),UK(w/WWARRANUK ver Only 36.59106.003 USER'S MANUAL LCD1511M(CD-ROM),EUROPE,W/SAL CE ver Only 42.59903.002 CABLE AUDIO 1.8M FOR PC99+MARK 51.00069.001 PACKING STRAP 12MM*2000M*0.6MM 51.00070.001 PE STRETCH FILM 500MM*1500M*0.02MM 51.00080.001...
  • Page 69 DESCRIPTION Remark 51.59103.001 PE BAG HDPE 390*600*0.04t PV758 "NMV" 55.55103.001 CORNER BOARD 40*40*5*1050mm 55.57502.001 CORNER BOARD 40*40*5*1200mm 55.57503.001 CORNER BOARD 40*40*5*1700MM 55.59101.021 CARTON AB (A5)-16 428*98*455 LCD1511M 56.59101.001 CUSHION-R EPS PV758A 56.59102.001 CUSHION-L EPS PV758A 58.59101.002 PLYWOOD PALLET 896*1150*130mm LCD1511M...

  • Page 70: Serial Number Information

    Appendix 1 Serial Number Information Refer to the serial number information shown below. EX.) SERIAL NUMBER LABEL Model Name : LCD1511M SERIAL NO. : g g g g g g g g g g Year code of production : (Last number of Year)

  • Page 71: Function Of Boards

    Function of Boards A. Main Board The Location of Connectors CN1 Connector CN2 Connector...
  • Page 72 CN3 Connector i t c CN4 Connector i t c...
  • Page 73 i t c CN6 Connector CN7 Connector...
  • Page 74 i t c...
  • Page 75 CN8 Connector i t c...
  • Page 76 i t c...
  • Page 77 B. Inverter Board The Location of Connectors 2.10 CN1 Connector 2.11 CN2 Connector 2.12 CN3 Connector...
  • Page 78 C. Audio Board 2.13 The Location of Connectors 2.14 J1 Connector 2.15 J2 Connector 2.16 JP1 Connector i t c...
  • Page 79 i t c 2.17 JP2 Connector i t c...
  • Page 80 D. Control Board 2.18 The Location of Connectors 2.19 CON 1 Connector i t c...

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