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Lenovo Service Manual
L2062bW
联 想 显 示 器 维 修 手 册
Custom:
Lenovo
Model:
L2062bW
This manual apply to main board 715G4032
IC Realtek 2271
1
PDF 文件使用 "pdfFactory Pro" 试用版本创建
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Summary of Contents for Lenovo L2062bW

  • Page 1 Lenovo Service Manual L2062bW 联 想 显 示 器 维 修 手 册 Custom: Lenovo Model: L2062bW This manual apply to main board 715G4032 IC Realtek 2271 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 2: Revision List

    Lenovo Service Manual L2062bW 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 L2062W SOP and software SOP TAAGR86CZTG5HNJ Sep-7-2011 Add model L2062W TABSR86CZTG5HNJ Replace panel ( 2000M 以...
  • Page 3: Table Of Contents

    Lenovo Service Manual L2062bW 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 ..........................
  • Page 4: Lcd Specifications

    Lenovo Service Manual L2062bW 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 L2062bW 1.2 Factory preset modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY FREQUENCY 31.469kHz 59.94Hz 640×480 640×480 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 832 ×624 Mac-mode 49.725kHz...
  • Page 6: Operation Instruction

    Lenovo Service Manual L2062bW 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 L2062bW 2.3 OSD User mode adjustment a)Hot key → Press , the figure is as shows ← Press the figure is as shows PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 8 Lenovo Service Manual L2062bW b)OSD Menu adjustment steps: PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 9 Lenovo Service Manual L2062bW PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 10: Osd Lock Function

    Lenovo Service Manual L2062bW 2.4 OSD Lock function Press “MENU” button and hold 10s,OSD was locked.Again Press “MENU” button and hold >10s,OSD was unlocked. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 11: Interface Description

    Lenovo Service Manual L2062bW 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 L2062bW 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 L2062bW 4.4 Optical Characteristics 4.5 Panel Block Diagroam PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 14: Lvds Connector Pin Assignment

    Lenovo Service Manual L2062bW 4.6 LVDS Connector pin Assignment LED Connector: HN14061-2000-7H (Foxconn)or 3703K-F06N-11L(Entery). PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 15: Block Diagram

    Lenovo Service Manual L2062bW 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 L2062bW 5.3 Power/ Inverter Board Block Diagram Smoothing Fuse Rectifier Transformer Capacitor T901 Rectifier C907 AC input 100-240V Rectifier IC-PWM IC901 Q901 Rectifier Sense resistor Power part regulating PhotoCoupler Sampling Q801 L801 FB802 14.5V DC D801 APM8005...
  • Page 17: Software Flow Chart

    Lenovo Service Manual L2062bW 5.4 Software Flow Chart Start Software Flow Chart Initial_MCU Check if DataBuffer Is blank To Write default values 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 L2062bW 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 L2062bW input part---VGA+DDC CN101 D ET_VGA VGA_CABLE_DET VGA_C ABLE_D ET 5 DB15 VGA_5V D DCSCL1 R101 D DCSCL_A DD CSC L1 100R 1/16W 5% VGA_5V VSIN 0 BIN 0- HSIN 0 BIN 0 Z D101 R139 R 103...
  • Page 20 Lenovo Service Manual L2062bW 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 L2062bW 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 L2062bW Scarlar---RTD2271W-+to key V33P VCC3.3 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 F B405 LVB1P LVBCKM C424 R406 V12S F B403 NC/120 OHM...
  • Page 23 Lenovo Service Manual L2062bW 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 L2062bW 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...
  • Page 25: Converter Part

    Lenovo Service Manual L2062bW 6.3 Converter part FB802 D801 L801 CN803 +14.5V C801 47UH BEAD Q801 330uF 25V R804 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 L2062bW 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 L2062bW 7.Exploded Views PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 28: Pcb Layout

    Lenovo Service Manual L2062bW 8. PCB Layout 8.1 MainBoard- 715G4032-M01 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 29 Lenovo Service Manual L2062bW PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 30: Powerboard 715G4497 对

    Lenovo Service Manual L2062bW 8.2 PowerBoard 715G4497 对 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 31 Lenovo Service Manual L2062bW PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 32: Keyboard 715G4585

    Lenovo Service Manual L2062bW 8.3 KeyBoard 715G4585 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 33: Maintenance

    Lenovo Service Manual L2062bW 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 L2062bW 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 L2062bW 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 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 36 Lenovo Service Manual L2062bW 3. Remove the boards PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 37: Trouble Shooting

    Lenovo Service Manual L2062bW 9.3 Trouble Shooting Main Board--- No Power Check flow chart No power 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 L2062bW 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 L2062bW 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 L2062bW 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 L2062bW 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 L2062bW 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 L2062bW 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 L2062bW 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: PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 45 Lenovo Service Manual L2062bW 2.Click “ISP”; The figuer is as follows PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 46 Lenovo Service Manual L2062bW 3.Click “ISP Option”, The figuer is as follows , click attentively; PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 47 Lenovo Service Manual L2062bW 4.Click “Page Select”,Not Load HDCP key ,Save HDCP data, The figuer is as follows PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 48 Lenovo Service Manual L2062bW 5.Click “BigBin”,find the right software file: 6.Click ,Programming automatically,then as shown PASS,OK PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 49: Writing Ddc Program Step

    Lenovo Service Manual L2062bW 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 L2062bW PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 51 Lenovo Service Manual L2062bW Read DDC data,OK ,as shown. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 52: Factory Mode Adjustment

    Lenovo Service Manual L2062bW 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 L2062bW Resets monitor to original settings: PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn...
  • Page 54: Bom List

    Lenovo Service Manual L2062bW 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:TACGT428B4G5HCJ Location Part number Description Remark 052G 1211 B Conductive Tape 85mm *40mm *0.09mm (单导)
  • Page 55 Lenovo Service Manual L2062bW U107 056G 662 52 ESD PROTECT AZC398-04S.R7G SOT23-6 U103 056G 662 52 ESD PROTECT AZC398-04S.R7G SOT23-6 U102 056G 662 52 ESD PROTECT AZC398-04S.R7G SOT23-6 U106 056G 662504 IC ESD AOZ8902CIL 24KV 5A SOT23-6 AOS U104 056G 662504...
  • Page 56 Lenovo Service Manual L2062bW R133 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R137 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R135 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN R132 061G0402100 JT RST CHIP 10R 1/16W 5% TZAI YUAN...
  • Page 57 Lenovo Service Manual L2062bW R703 061G0402103 JY RST CHIPR 10KOHM +-5% 1/16W YAGEO R464 061G0402104 JI TEST ONLY RST 0402 100K 5% 1/16W TA-I R715 061G0402104 JI TEST ONLY RST 0402 100K 5% 1/16W TA-I R437 061G0402104 JI TEST ONLY RST 0402 100K 5% 1/16W TA-I...
  • Page 58 Lenovo Service Manual L2062bW R410 061G04023901FT RST 0402 3.9K 1% 1/16W TZAI YUAN R436 061G0402394 JF RST CHIP R 390K +/-5% 1/16W FENGHUA R436 061G0402394 JY RST CHIP R 390K +/-5% 1/16W YAGEO R142 061G0402471 JF RST CHIPR 470 OHM 5% 1/16W FENGHUA...
  • Page 59 Lenovo Service Manual L2062bW R458 061G1206221 JT RST CHIPR 220 OHM +-5% 1/4W TZAI YUAN C151 065G040210031D CAP CHIP 0402 10PF D 50V NPO C151 065G040210031D CAP CHIP 0402 10PF D 50V NPO C403 065G040210412K CAP CHIP 0402 100nF K 16V X7R...
  • Page 60 Lenovo Service Manual L2062bW C420 065G0402105A5K NO-SUGGEST CAP 0402 1UF 10% 10V X5R C418 065G040222031J CAP 0402 22PF J 50V NPO C145 065G040222031J CAP 0402 22PF J 50V NPO C146 065G040222031J CAP 0402 22PF J 50V NPO C415 065G040222031J CAP 0402 22PF J 50V NPO...
  • Page 61 Lenovo Service Manual L2062bW C416 065G080510615K CHIP 10uF 16V X5R 0805 C424 065G080510615K NO-SUGGEST CAP 0805 10UF 10% 16V X5R FB402 071G 56K121 M CHIP BEAD 120OHM 6A MGLB2012-120T-LF FB402 071G 56K121 TA CHIP BEAD 120R/6000mA HCB2012KF-121T60 FB404 071G 59C121 B...
  • Page 62 Lenovo Service Manual L2062bW J52G190100203B00JF FILM J52G2001 9 FILM FOR L2061 rearcover KEPCBJA4 KEY BOARD SW006 077G 602 1A CJ TACT SWITCH SW005 077G 602 1A CJ TACT SWITCH SW004 077G 602 1A CJ TACT SWITCH SW003 077G 602 1A CJ...
  • Page 63 Lenovo Service Manual L2062bW 0M1G 930 6120 SCREW 3x6 705GJA57056 Q901 ASS'Y 051G 200 1 OIL FOR DISAPPEAR Q901 057G 611908 MOSFET TK6A65D (STA4,Q),£¨Q,M) SC-67 Q901 057G 667923 MOSFET SMK0765F 7A 650V TO-220FP Q901 057G 667941 MOSFET P0765ATF 7 650 TO-220F...
  • Page 64 Lenovo Service Manual L2062bW R907 061G0805102 JF RST CHIPR 1K OHM +-5% 1/8W FENGHUA R907 061G0805102 JT RST CHIPR 1K OHM +- 5% 1/8W TZAI YUAN R806 061G0805102 JT RST CHIPR 1K OHM +- 5% 1/8W TZAI YUAN R818 061G0805103 JI...
  • Page 65 Lenovo Service Manual L2062bW R930 061G1206101 JF RST CHIPR 100 OHM +-5% 1/4W FENGHUA R929 061G1206101 JF RST CHIPR 100 OHM +-5% 1/4W FENGHUA R909 061G1206101 JF RST CHIPR 100 OHM +-5% 1/4W FENGHUA R910 061G1206101 JF RST CHIPR 100 OHM +-5% 1/4W FENGHUA...
  • Page 66 Lenovo Service Manual L2062bW C802 065G080510332K CAP CHIP 0805 10N 50V X7R +/-10% C814 065G080510432K CAP CHIP 0805 100N 50V X7R +/-10% C912 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R C926 065G080510432K CAP CHIP 0805 0.1UF K 50V X7R...
  • Page 67 Lenovo Service Manual L2062bW J910 095G 90 23 JUMP WIRE - - J905 095G 90 23 JUMP WIRE - - CN901 006G 31500 EYELET ZD901 093G 3916352T ZD TZX22B J909 095G 90 23 JUMP WIRE - - J805 095G 90 23...
  • Page 68 Lenovo Service Manual L2062bW C920 067G 2046812LT CAP CS 680UF 20% 10V 8*11.5 Q904 057G 761 16 TRA KTD1028 KEC C913 067G215Y4707LT LOW ESR EC 47uF 50V M 6.3*11mm F902 084G 56 4 B FUSE 4A 250V C809 067G 4153309LT EC 33UF 20% 100V 8*11.

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