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Lenovo L2062W Service Manual
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Lenovo L2062W Service Manual

Lenovo L2062W Service Manual

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Lenovo Service Manual
L2062W
联 想 显 示 器 维 修 手 册
Custom:
Lenovo
Model:
L2062W
This manual apply to main board 715G4032
IC Realtek 2271
1

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Summary of Contents for Lenovo L2062W

  • Page 1 Lenovo Service Manual L2062W 联 想 显 示 器 维 修 手 册 Custom: Lenovo Model: L2062W This manual apply to main board 715G4032 IC Realtek 2271...

  • Page 2: Revision List

    Lenovo Service Manual L2062W REVISION LIST Version Release Date Revision History Model TPV Model No TAAMR86CZTG5HNJ Mar-23-2011 Initial Release L2062W TAAGR86CZTG5HNJ Update Disassembly TAAMR86CZTG5HNJ Mar-30-2011 SOP and software L2062W TAAGR86CZTG5HNJ Sep-7-2011 Add model L2062W TABSR86CZTG5HNJ...

  • Page 3: Table Of Contents

    Lenovo Service Manual L2062W CONTENTS 1. LCD Specifications ............................ 4   1.1 Product Features  .............................. 4   1.2 Factory preset modes ............................ 5   1.3 New Features  .............................. 5   2. Operation instruction ........................... 6   2.1 Connection  ............................... 6   2.2 Control Buttons  .............................. 6   2.3 OSD User mode adjustment .......................... 7   2.4 OSD Lock function  ............................ 10   3.Interface description ........................... 11   3.1 VGA Interface description .......................... 11   3.2 DVI Connector  .............................. 11  ...

  • Page 4: Lcd Specifications

    Lenovo Service Manual L2062W 1. LCD Specifications 1.1 Product Features Model Lenovo L2062 Wide / L2062WA Driving system TFT Color LCD LCD Panel Active Display Area 508mm(20”) 442.8 (W)×249.075(H)mm Pixel Pitch 0.2768 mm×0.2768mm Positive R,G,B Analog Interface，75ohm,0.7V Video DVI digital Interface Input Separate Sync.

  • Page 5: Factory Preset Modes

    Lenovo Service Manual L2062W 1.2 Factory preset modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY FREQUENCY 640×480 31.469kHz 59.94Hz 640×480 35.00kHz 66.67Hz 640×480 37.861kHz 72.80Hz 640 × 480 37.50kHz 75.00Hz 640 × 480 31.469kHz 70.087Hz DOS-mode 720 × 400 31.469kHz 70.087Hz Mac-mode 832 ×624...

  • Page 6: Operation Instruction

    Lenovo Service Manual L2062W 2. Operation instruction 2.1 Connection  Connect the video cable from the video card of PC to the monitor..  The power cord should be connected  Press the power button to turn on the monitor, the power indicator will light up.

  • Page 7: Osd User Mode Adjustment

    Lenovo Service Manual L2062W 2.3 OSD User mode adjustment a)Hot key → Press , the figure is as shows ← Press the figure is as shows...
  • Page 8 Lenovo Service Manual L2062W b)OSD Menu adjustment steps:...
  • Page 9 Lenovo Service Manual L2062W...

  • Page 10: Osd Lock Function

    Lenovo Service Manual L2062W 2.4 OSD Lock function Press “MENU” button and hold 10s,OSD was locked.Again Press “MENU” button and hold >10s,OSD was unlocked.

  • Page 11: Interface Description

    Lenovo Service Manual L2062W 3.Interface description 3.1 VGA Interface description Pin No. Description Pin No. Description Red Input +5VDC Green Input Blue Input SDA- DDC-Serial Data Connection detect H Sync Red GND V Sync Green GND SCL- DDC-Serial Clock Blue GND VGA Connector layout 3.2 DVI Connector...

  • Page 12: Panel Feature

    Lenovo Service Manual L2062W 4. Panel Feature The Panel is a 20.0 inch color TFT-LCD module—M200O3-LA3 with WLED backlight unit and 30pin 2ch-LVDS interface . this module supports 1600×900 mode and displays up to 16.7 millions colors. 4.1 General information 4.2 Absolute Maximum Ratings...

  • Page 13: Optical Characteristics

    Lenovo Service Manual L2062W 4.4 Optical Characteristics 4.5 Panel Block Diagroam...

  • Page 14: Lvds Connector Pin Assignment

    Lenovo Service Manual L2062W 4.6 LVDS Connector pin Assignment LED Connector: HN14061-2000-7H (Foxconn)or 3703K-F06N-11L(Entery).

  • Page 15: Block Diagram

    Lenovo Service Manual L2062W 5.Block Diagram 5.1 LCD Block Diagram LCD Block Diagram LED backlight Panel LVDS DC-converter Main Board 715G4497P 715G4032M AC-DC (5V/12V) Power Board VGA input DVI input Key board AC supply 90V-264V Input signal 5.2 MainBoard Block Diagram Crystal 14.318MHZ...

  • Page 16: Power/ Inverter Board Block Diagram

    Lenovo Service Manual L2062W 5.3 Power/ Inverter Board Block Diagram Fuse Smoothing Rectifier Transformer Capacitor T901 Rectifier C907 AC input 100-240V Rectifier IC-PWM IC901 Q901 Rectifier Sense resistor Power part regulating PhotoCoupler Sampling Q801 14.5V DC D801 FB802 L801 APM8005...

  • Page 17: Software Flow Chart

    Lenovo Service Manual L2062W 5.4 Software Flow Chart Start Software Flow Chart Initial_MCU To Write default values Check if DataBuffer Is blank Check if Sum is changed ? Brightness Contrast Read parameter_from Buffer Language InputType InputTimingStableCounter OsdCounter Init_GlobalVariables PowerDownCounter Initial_MCU Device...

  • Page 18: Circuit Schematic

    Lenovo Service Manual L2062W 6. Circuit Schematic Main Board---715G4032M Power VCC3.3 VCC3.3 VLCD PANEL I/O V12S V12S VLCD VLCD VLCD 05_PANEL I/O 06_POWER SCALER-RTD2271W-GR VCC3.3 VCC3.3 V12S V12S VGA_5V VGA_5V DVI5V DVI5V 04_SCALER DVI5V D-SUB I/O VGA_5V DVI5V VGA_5V 02_D-SUB I/O...
  • Page 19 Lenovo Service Manual L2062W input part---VGA+DDC CN101 DET_VGA VGA_CABLE_DET VGA_CABLE_DET 5 DB15 VGA_5V DDCSCL1 R101 DDCSCL_A DDCSCL1 100R 1/16W 5% VGA_5V VSIN0 BIN0- HSIN0 BIN0 ZD101 R139 R103 R104 C102 GIN0- BIN0 0R05 1/10W 0R05 1/16W 100R 1/16W 5% RLZ5.6B...
  • Page 20 Lenovo Service Manual L2062W DVI+DDC DVI5V DVI_CABLE_DET 5 DVI5V CN102 3,5,7 VSY NC DET_DVI DVI5V SY NC GND SCL_DVI R125 100R 1/16W 5% D102 DDC SCL SDA_DVI R126 100R 1/16W 5% ESD_DVI BAV70 DDC SDA DVI5V FB101 0R05 1/10W R127...
  • Page 21 Lenovo Service Manual L2062W Power part---5V/3.3V/1.8V VCC3.3 U701 3,4,5 VCC3.3 5 VIN VOUT VCC3.3 C703 C704 100N16V C702 100N16V R701 100uF16V C701 4K7 1/16W 5% 100N16V +5V 3,4,5 CN701 R702 100R 1/16W 5% Adj_BACKLIGHT 5 C705 C706 VCC3.3 VCC3.3 U702...
  • Page 22 Lenovo Service Manual L2062W Scarlar---RTD2271W-+to key VCC3.3 V33P LVB3P LVA0M V12C LVB3M LVA0P LVBCKP LVA1M V12S V12C LVBCKM LVA1P VCC3.3 V33P LVB2P LVA2M C409 U402 C401 NC/0.22UF 16V LVB2M LVA2P FB405 LVB1P LVBCKM C424 R406 V12S NC/10U 16V FB403 NC/120 OHM...
  • Page 23 Lenovo Service Manual L2062W Output---LVDS/Panel_Vcc CONN PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P LVA3P LVB3M LVA3M LVBCKP LVB0M RXO0- LVBCKP LVBCKM LVB0P RXO0+ LVBCKM LVB2P LVB1M RXO1- LVA2P LVB2M LVB1P RXO1+ LVA2M LVB1P LVB2M RXO2- LVA1P LVB1M LVB2P RXO2+ LVA1M LVB0P LVA0P...

  • Page 24: Power Board 715G4497-P01

    Lenovo Service Manual L2062W 6.2 Power Board 715G4497-P01 --adapter 5V/14.5V R929 100 OHM 1/4W BD901 C916 2.2N 630V F801 R930 100 OHM 1/4W 0R05 1/4W +16.5V R903 100 OHM 1/4W C928 2.2N 630V R904 ZD901 250OHM2W MTZJ T-72 22B KBP306G-05...

  • Page 25: Converter Part

    Lenovo Service Manual L2062W 6.3 Converter part FB802 D801 L801 CN803 +14.5V C801 47UH BEAD Q801 R804 330uF 25V C814 SK310B C810 100N 50V 10 OHM 1/8W APM8005KCTRG R801 C809 R819 R820 R821 R822 10N 50V NC/CONN ON/OFF R814 10K 1/8W...

  • Page 26: Key Board 715G4585K0B

    Lenovo Service Manual L2062W 6.4 Key Board 715G4585K0B LED_RED# LED_GRN# CN001 LBADC1 R002 LBADC2 2K OHM 1% 1/10W DC POWER ON LED_GRN# LED_RED# R004 1K 1/10W 1% R005 2K OHM 1% 1/10W Wire Harness Exit (2K) 1.12V LBADC1 left (-,GND)

  • Page 27: Exploded Views

    Lenovo Service Manual L2062W 7.Exploded Views...

  • Page 28: Pcb Layout

    Lenovo Service Manual L2062W 8. PCB Layout 8.1 MainBoard- 715G4032-M01...
  • Page 29 Lenovo Service Manual L2062W...

  • Page 30: Powerboard 715G4497 对

    Lenovo Service Manual L2062W 8.2 PowerBoard 715G4497 对...
  • Page 31 Lenovo Service Manual L2062W...

  • Page 32: Keyboard 715G4585

    Lenovo Service Manual L2062W 8.3 KeyBoard 715G4585...

  • Page 33: Maintenance

    Lenovo Service Manual L2062W 9. Maintenance 9.1 Maintenance requisite Voltmeter. & digital multimeter Oscilloscope. Pattern Generator. DDC Tool with Compatible Computer. Alignment Tool. LCD Color Analyzer. Service Manual. User Manual. repair tools etc 9.2 Disassembly SOP 1. Precaution Please read the precautions as follows to prevent any damages to the LCD Monitor Make sure all power connection is removed.
  • Page 34 Lenovo Service Manual L2062W 2 appropriate tools select the appropriate tools for disassembly and re-assembly. Phillips screwdriver spacer screwdriver C/D Disassembly Tool Gloves or soft cloth 3 Disassembly SOP Remove the stand assy Starting from the back of the monitor,Lift the small back cover After pull up the small back cover, 向上提起...
  • Page 35 Lenovo Service Manual L2062W 2.Remove the Back cover,with Gloves or soft cloth 拆卸螺丝 Remove the screws×2 Remove screws×6 Remove the LED connector...
  • Page 36 Lenovo Service Manual L2062W 3. Remove the boards...

  • Page 37: Trouble Shooting

    Lenovo Service Manual L2062W 9.3 Trouble Shooting Main Board--- No Power No power Check flow chart For the no power Press power key and look if the picture is normal Please reinsert and make sure the AC 100-240V is normal ? Reinsert or check the power section Check 5V-CN404, 3.3V-U404;...
  • Page 38 Lenovo Service Manual L2062W No picture (LED orange) Check flow chart No picture for the no signal Check signal wire Replace signal wire Check RGB/HV singal Check singal input 75Ω Check U102,U103 Check U404 Vout=3.3V; Q410-out=1.8V replaceU404,Q409,Q410, around device check X401 waveform...
  • Page 39 Lenovo Service Manual L2062W White screen Check flow chart White screen For the white screen Measure Q404-base Check X401 waveform is low level? Replace X401 Check Q405=5V Check U401/U501 Or CN403 solder? Check around Check around device device Check connector...
  • Page 40 Lenovo Service Manual L2062W Power Board--- No Power 5V/12V Check flow chart Check CN901 100-240V？ For the no power Check AC supply Check rectified voltage-C905 Check FuseF901/ BD901 L902/BD901/C901/C902 Check voltage of IC901-8pin check component R904/R932 Check T901(1-3)out-Vcc Check D901/R909/C908...
  • Page 41 Lenovo Service Manual L2062W No Backlight of panel Check flow chart for the Check voltage of F801-12V？ Inverter No Backlight Open F801, voltage-12V Return check Power Check ON/OFFsignal After Power off,check Check main board C801/C802？Q824? Check IC801 -12pin=12V pinRT waveform?
  • Page 42 Lenovo Service Manual L2062W Key Board OSD no working Check flow chart OSD is unstable or not For the key board working Connect Key Pad Board Is Key Pad Board connecting normally? Is Button Switch normally? Replace Button Switch Is Key Pad Board normally?

  • Page 43: Software Update Step（Sop

    Lenovo Service Manual L2062W 9.4 Software update step（SOP） Product information 756GJACB LG073 MCU ASS'Y+ CBPCAR6T1QSJ U403 056G2233 11 IC Pm25LD020C-SCE SIOC-8(150mil) 2M U401 056G 562381 SCALER RTD2271W-GR QFP-128 SMTCR-U403 100GLRMA005B11 L2062W_RTD2271_CMO-M200O3-LA3 CBPCAR6T1QSJ CONVERSION BOARD 715G4032M02 Recommended 715GT089-B ISP tool. Step1：Connection 1.
  • Page 44 Lenovo Service Manual L2062W 2. To Run “RTD Customer Tool V1.7 Beta4 Install_20110218.exe” Step3:Run 1.To Run software, “Star”---“Parogram”---“RTD Customer Tool”,display the following diagram:...
  • Page 45 Lenovo Service Manual L2062W 2.Click “ISP”; The figuer is as follows...
  • Page 46 Lenovo Service Manual L2062W 3.Click “ISP Option”， The figuer is as follows , click attentively;...
  • Page 47 Lenovo Service Manual L2062W 4.Click “Page Select”,Not Load HDCP key ,Save HDCP data, The figuer is as follows...
  • Page 48 Lenovo Service Manual L2062W 5.Click “BigBin”,find the right software file: 6.Click ,Programming automatically,then as shown PASS,OK...

  • Page 49: Writing Ddc Program Step

    Lenovo Service Manual L2062W 9.5 Writing DDC program step 1. Prepared the PC with Windows XP system, DDC recording device (715GT039-B+12V)for figure below 2. Connect the DDC recording device and the PC through PC parallel port 3. setup “Port95nt” driver program to PC , 4.
  • Page 50 Lenovo Service Manual L2062W...
  • Page 51 Lenovo Service Manual L2062W Read DDC data,OK ,as shown.

  • Page 52: Factory Mode Adjustment

    Lenovo Service Manual L2062W 9.6 Factory mode adjustment After replacing the Main board and the Panel, Check for enter the Factory mode ,it is necessary. Press MENU button and hold,reinsert the Power cord , then ,press MENU , the monitor will may enter Factory OSD Menu.
  • Page 53 Lenovo Service Manual L2062W...

  • Page 54: Bom List

    Lenovo Service Manual L2062W 10.BOM List Note: The parts information listed below are for reference only, and are subject to change without notice. Please go to http://cs.tpv.com.cn/hello1.asp for the latest information. 10.1 Model：TAAMR86CZTG5HNJ Location Part number Description Remark 040G 45760819A...
  • Page 55 Lenovo Service Manual L2062W C702 067G 3051013PB EC 105C 100uF M 16V 5*11mm C141 067G 3051013PB EC 105C 100uF M 16V 5*11mm SMTCAR6T1QSJ MAIN BOARD FOR SMT U701 056G 563149 IC G903T63UF 0.6A/3.3V SOT-223 U107 056G 662 13 IC AZC099-04S SOT23-6L...
  • Page 56 Lenovo Service Manual L2062W R138 061G0402100 JI TEST ONLY RST 0402 10R 5% 1/16W TA-I 2nd source R137 061G0402100 JI TEST ONLY RST 0402 10R 5% 1/16W TA-I 2nd source R136 061G0402100 JI TEST ONLY RST 0402 10R 5% 1/16W TA-I...
  • Page 57 Lenovo Service Manual L2062W R713 061G0402103 JI TEST ONLY RST 0402 10K 5% 1/16W TA-I 2nd source R704 061G0402103 JI TEST ONLY RST 0402 10K 5% 1/16W TA-I 2nd source R703 061G0402103 JI TEST ONLY RST 0402 10K 5% 1/16W TA-I...
  • Page 58 Lenovo Service Manual L2062W R465 061G0402224 JT RST CHIP 220K 1/16W 5% TZAI YUAN R463 061G0402224 JT RST CHIP 220K 1/16W 5% TZAI YUAN R438 061G0402224 JT RST CHIP 220K 1/16W 5% TZAI YUAN R410 061G04023901FT RST 0402 3.9K 1% 1/16W TZAI YUAN...
  • Page 59 Lenovo Service Manual L2062W R430 061G06036201FF RST CHIPR 6.2KOHM +-1% 1/10W FENGHUA 2nd source R430 061G06036201FT RST CHIP 6K2 1/10W 1% R457 061G1206221 JF RST CHIPR 220 OHM +-5% 1/4W FENGHUA 2nd source R458 061G1206221 JF RST CHIPR 220 OHM +-5% 1/4W FENGHUA...
  • Page 60 Lenovo Service Manual L2062W C405 065G040210412K CAP CHIP 0402 100nF 16V X7R 2nd source C404 065G040210412K CAP CHIP 0402 100nF 16V X7R 2nd source C403 065G040210412K CAP CHIP 0402 100nF 16V X7R 2nd source C402 065G040210412K CAP CHIP 0402 100nF 16V X7R...
  • Page 61 L2061W BASE J34G8B79ED7 1L9010 L2061W STAND COVER J34G8C17 B6 2L7010 L2062 BACK COVER J37G8B08 1 HINGE J40G 20N60818A RATING LABELl for L2062wA J40G 20N60819A rating label for L2062wA 防拆标签 J40G 581608 1A J40G 58660820A CARTON LABEL L2062w J41G780060811B WARRANTY CARD 1Year...
  • Page 62 Lenovo Service Manual L2062W J41G78S1608 5A Information Flyer L2061 LC J44G6002 S136 PAPER PLATE J44G6002 S152 paper plate J44G9003210 35 CORNER PAPER J44GA905101 J44GA905201 J44GA905608 1A CARTON J45G 76 28IB3 pe bag for manual/card J45G 77 6 PE PACKING 1.73...
  • Page 63 Lenovo Service Manual L2062W PLPCA9341AQAWJ G4497-P01-000-0010-6-110301(L) GND1 009G6005 1 GROUND TERMINAL CN804 033G3802 6 H CONNECTOR 2nd source 040G 45762412B CBPC LABEL U902 056G 139 9 IC EL817M(X) photocoupler DIP-4 U902 056G 139 3A PC123Y22FZOF SHARP 2nd source NR901 061G 58120MEN...
  • Page 64 Lenovo Service Manual L2062W 0M1G 930 6120 screw PLA9341AQAWSMTJ POWER BOARD FOR SMT U901 056G 379529 AC/DC CONVERTER IC LD7576AGR SOP-7 U801 056G 700 11 LED DRIVER OZ9998BGN-A1-0-TR SOP-16 Q801 057G 763103 FET P9008HV 5A/80V SOP-8 2nd source Q801 057G 763947...
  • Page 65 Lenovo Service Manual L2062W R816 061G08056801FF RST CHIPR 6.8KOHM +-1% 1/8W FENGHUA R816 061G08056801FT RST CHIP R 6.8KOHM +-1% 1/8W 2nd source R925 061G08059311FF RST CHIPR 9.31KOHM +-1% 1/8W FENGHUA R925 061G08059311FT RST CHIPR 9.31KOHM +-1% 1/8W TZAI YUAN 2nd source...
  • Page 66 Lenovo Service Manual L2062W C803 065G080510232K CAP 0805 1000PF 10% 50V X7R 2nd source C923 065G080510232K CAP CHIP 0805 1N 50V X7R +/-10% 2nd source C914 065G080510232K CAP CHIP 0805 1N 50V X7R +/-10% 2nd source C906 065G080510232K CAP CHIP 0805 1N 50V X7R +/-10%...
  • Page 67 Lenovo Service Manual L2062W C916 065G120622272K CAP 1206 2.2NF 10% 500V X7R 2nd source C929 065G120622272K CER 1206 2N2 500V X7R 10% C928 065G120622272K CER 1206 2N2 500V X7R 10% C917 065G120622272K CER 1206 2N2 500V X7R 10% C916 065G120622272K...
  • Page 68 Lenovo Service Manual L2062W J811 095G 90 23 JUMPER WIRE J812 095G 90 23 JUMPER WIRE J813 095G 90 23 JUMPER WIRE J815 095G 90 23 JUMPER WIRE J901 095G 90 23 JUMPER WIRE J903 095G 90 23 JUMPER WIRE...

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