Lenovo L2262W Service Manual
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Lenovo L2262W Service Manual

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Lenovo Service Manual
L2262W
联 想 显 示 器 维 修 手 册
Custom:
Lenovo
Model:
L2262W
This manual apply to MainBoard715G4567
(IC SCALER TSUMU58PWHL)
1

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Summary of Contents for Lenovo L2262W

  • Page 1 Lenovo Service Manual L2262W 联 想 显 示 器 维 修 手 册 Custom: Lenovo Model: L2262W This manual apply to MainBoard715G4567 (IC SCALER TSUMU58PWHL)

  • Page 2: Revision List

    Lenovo Service Manual L2262W REVISION LIST Version Release Date Revision History Model TPV Model No Editor TIAMSQ6YZQG1HNJ Sep-28-2010 Initial Release L2262W TPV-BJ-Rainsun TIAASQ6YZQG1HNJ TIAMSQ6YZQG1HNJ TIAASQ6YZQG1HNJ TIAMSQ6YZQG1HNJ TIAASQ6YZQG1HNJ TIAASQ6YZQG2HNJ TIAGSQ6YZQG1HNJ Update Disassembly Mar-25-2011 L2262W TIAGSQ6YZQG2HNJ TPV-BJ-Rainsun SOP and soft SOP TIAMSQ6YZQG2HNJ...

  • Page 3: Table Of Contents

    Lenovo Service Manual L2262W CONTENTS 1. LCD Specifications 1.1 Product Features ..................................4 1.2 New Features ....................................4 1.3 Factory preset modes.................................. 5 2. Operation instruction 2.1 Control Buttons ................................... 6 2.2 OSD User mode adjustment ................................ 7 2.3 OSD Lock function ..................................10 3.Interface description...

  • Page 4: Lcd Specifications

    Lenovo Service Manual L2262W 1. LCD Specifications 1.1 Product Features Model Lenovo L2262W Driving system TFT Color LCD LCD Panel Active Display Area 546.86mm(21.53”) 479.8 (W)×271.3(H)mm Pixel Pitch 0.248 mm×0.248mm R,G,B Analog Interface，75ohm,0.7V Positive Video DVI digital Interface Input Separate Sync.

  • Page 5: Factory Preset Modes

    Lenovo Service Manual L2262W 1.3 Factory preset modes HORIZONTAL VERTICAL STANDARD RESOLUTION FREQUENCY FREQUENCY 31.469kHz 59.94Hz 640×480 640×480 35.00kHz 66.67Hz 37.861kHz 72.80Hz 640×480 640 × 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 L2262W 2. Operation instruction Generalization Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor. By changing these settings, the picture can be adjusted to your personal preferences.

  • Page 7: Osd User Mode Adjustment

    Lenovo Service Manual L2262W 2.2 OSD User mode adjustment a)Hot key Press ▶,the figure is as shows Press ◀, the figure is as shows...
  • Page 8 Lenovo Service Manual L2262W b)OSD Menu adjustment steps:...
  • Page 9 Lenovo Service Manual L2262W...

  • Page 10: Osd Lock Function

    Lenovo Service Manual L2262W 2.3 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 L2262W 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 L2262W 4. Panel Feature The Panel is a 21.5 inch color TFT-LCD module—M215H3-LA1 . This module supports 1920×1080 Full HD(16:9) mode and displays up to 16.7 millions colors.This model is composed of a TFT LCD panel,a driver circuit andwith LED back light unit .

  • Page 13: Optical Characteristics

    Lenovo Service Manual L2262W b) Backlight unit 4.4 Optical Characteristics...

  • Page 14: Panel Block Diagroam

    Lenovo Service Manual L2262W 4.5 Panel Block Diagroam 4.6 LVDS Connector pin Assignment...

  • Page 15: Lightbar Connector Pin Assignment

    Lenovo Service Manual L2262W 4.7 Lightbar Connector pin Assignment...

  • Page 16: Block Diagram

    Lenovo Service Manual L2262W 5.Block Diagram 5.1 LCD Block Diagram LCD Block Diagram LED backlight Panel LVDS DC-AC inverter Main Board AC-DC (5V/12V) Power Board Computer Computer Key board AC supply 90V-264V Input signal 5.2 MainBoard Block Diagram Crystal 14.318MHZ...

  • Page 17: Power/ Inverter Board Block Diagram

    Lenovo Service Manual L2262W 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 Switching MOS DC-AC Resonance NET 12V DC...
  • Page 18 Lenovo Service Manual L2262W Power/ Board Block Diagram Converter Fuse Smoothing Rectifier Transformer Capacitor T901 Rectifier AC input 100-240V Rectifier IC-PWM IC901 Switching Rectifier Sense resistor Power adapter Part regulating photocoupler sampling Converter Vout30V PWM Control Switching MOS CN801 CN803...

  • Page 19: Software Flow Chart

    Lenovo Service Manual L2262W 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 20: Circuit Schematic

    Lenovo Service Manual L2262W 6. Circuit Schematic 6.1 Main Board---715G4567-M FB102 R105 10OHM1/16W VGA_B+ C102 DSUB_B+ BEAD 0.047uF H_Sy nc R102 0R05 1/10W 5% R103 1K 1/16W 5% R108 C105 DSUB_H V_Sy nc R104 1K 1/16W 5% 5pF/50V DSUB_V 75R 1/16W 5%...
  • Page 21 Lenovo Service Manual L2262W Power part---5V/3.3V/1.8V SOT 252 U702 VOUT CMVCC1 VCC3.3 CMVCC1 [2,3,5] VCC3.3 CMVCC1 SOT 223 R702 U701 NC/G903T63UF 10K 1/16W 5% R703 VOUT BKLT-EN 10K 1/16W 5% CN701 C702 C708 C709 C707 0.1uF/16V R704 0.1uF/16V 0.1uF/16V 100UF16V...
  • Page 22 Lenovo Service Manual L2262W Scarlar---TSUMU58PWHL + to key VDDP VCC3.3 FB402 VPLL VCC3.3 FB401 AVDD VCC3.3 FB404 VMPLL VCC3.3 VCC3.3 FB410 VDVI [2,4] VCC3.3 300OHM 300OHM 300OHM C408 C403 C404 C405 C406 C413 300OHM C402 0.1uF/16V C407 0.1uF/16V 4.7UF 10V 0.1uF/16V...
  • Page 23 Lenovo Service Manual L2262W Output---LVDS/Panel_Vcc PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P LVA3P LVB3M CN302 LVA3M LVBCKP LVACKP LVBCKM LVACKM LVB2P LVA2P LVB2M LVA2M LVB1P LVB0M RXO0- RXO0+ LVB0P LVA1P LVB1M LVB1M RXO1- RXO1+ LVB1P LVA1M LVB0P LVB2M RXO2- RXO2+ LVB2P LVA0P...

  • Page 24: Power Board 715G2892-P01

    Lenovo Service Manual L2262W 6.2 Power Board 715G2892-P01 -adapter 5V/14.5V L905 Coil +16V R929 100 OHM 1/4W BD901 C916 KBP208G R930 100 OHM 1/4W 0.001uF R911 R915 680OHM2W R903 100 OHM 1/4W 680OHM2W ZD901 1000uF 25V Q904 TZX18B C919 C918 KTD1028 0.001uF...

  • Page 25: Converter Board

    Lenovo Service Manual L2262W 6.3 Converter board---715G4107 R844 NC C811 NC Vout CN801 CONN ZD801 +12V F801 FUSE R833 1 OHM 1/10W R832 NC L801 R831 1 OHM 1/10W SK310B 22uH C810 R830 NC Q801 C801 C813 C804 C803 100uF 50V...

  • Page 26: Key Board 715G4572-Koa

    Lenovo Service Manual L2262W 6.4 Key Board 715G4572-KOA Power CS_1 Right Enter DVI/VGA EXIT Lef t KEY 0.1524 CS_2 CS_6 CS_5 CS_4 CS_3 KEY 0.1524 KEY 0.1524 KEY 0.1524 KEY 0.1524 KEY 0.1524 VDDL R006 LED_Y ellow 100OHM1/16W VDDL VDDL...

  • Page 27: Exploded Views

    Lenovo Service Manual L2262W 7.Exploded Views...

  • Page 28: Pcb Layout

    Lenovo Service Manual L2262W 8. PCB Layout 8.1 MainBoard- 715G4567-M...
  • Page 29 Lenovo Service Manual L2262W...
  • Page 30 Lenovo Service Manual L2262W...

  • Page 31: Powerboard 715G2892-P01-020

    Lenovo Service Manual L2262W 8.2 PowerBoard 715G2892-P01-020...

  • Page 32: Keyboard 715G4572-K0A

    Lenovo Service Manual L2262W 8.3 KeyBoard 715G4572-K0A...

  • Page 33: Maintenance

    Lenovo Service Manual L2262W 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 L2262W 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 pull up the small back cover, 向上提起...
  • Page 35 Lenovo Service Manual L2262W 2.Remove the Back cover,with Gloves or soft cloth Remove screws×6 Remove the LED connector...
  • Page 36 Lenovo Service Manual L2262W 3. Remove the boards...

  • Page 37: Trouble Shooting

    Lenovo Service Manual L2262W 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-CN701, 3.3V-U701;...
  • Page 38 Lenovo Service Manual L2262W 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 L2262W 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 solder? Or CN403 Check around Check around device device Check connector...
  • Page 40 Lenovo Service Manual L2262W 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 L2262W 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？Q801? Check IC801 -19pin=12V pinRT waveform?

  • Page 42: Key Board

    Lenovo Service Manual L2262W 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 L2262W 9.4 Software update step（SOP） Product information U402 056G2233501 FLASH MX25L2026DM1I-12G 2Mb SOP-8 U401 056G 562F31 SCALER TSUMU58PWHL-LF-1 100PIN FQFP SMTCR-U402 100GLMGI009B11 L2262wA_TSUMU58PW_LM215WF4_v001_110129 CBPCASQG2J1 CONVERSION G4567-M0A-X-X-1-100724 Step1：Connection 1. Connect USB cable to the PC USB port and the ISP tool,（715GT089-B） ；...
  • Page 44 Lenovo Service Manual L2262W Step3:Run 1.To Run software, display the following diagram: 2.Click “Connect”; The figuer is as follows 3.Click “Device”， The figuer is as follows , click attentively; 4.Click “HDCP”,Not Load HDCP key ,Save HDCP data, The figuer is as follows...
  • Page 45 Lenovo Service Manual L2262W 5.Click “Restore”,Save HDCP data, The figuer is as follows 6.Click “Load”,find the right software file:...
  • Page 46 Lenovo Service Manual L2262W 7.Click “Auto”, Note that the options related to , The figuer is as follows...
  • Page 47 Lenovo Service Manual L2262W 8.Click “Run”, Automatic Programming 9. Programming OK .The Picture appears.

  • Page 48: Re-Writing Ddc Program Step

    Lenovo Service Manual L2262W 9.5 Re-writing DDC program step 1. Prepared the PC with Windows XP system, DDC recording tool (715GT034-B+12V)for figure below, 2. Connect the print cable to the PC through PC parallel port and the tool; 3.Connect the Monitor interface with VGA cable and DVI cable;...
  • Page 49 Lenovo Service Manual L2262W...
  • Page 50 Lenovo Service Manual L2262W...

  • Page 51: Factory Mode Adjustment

    Lenovo Service Manual L2262W 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,to turned on the Power of the Monitor , then ,press MENU , the monitor will may enter Factory OSD Menu.
  • Page 52 Lenovo Service Manual L2262W Again to turn off—on Power,enter OSD ,Check software vervion: Resets monitor to original settings:...

  • Page 53: Bom List

    Lenovo Service Manual L2262W 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：TIAMSQ6YZQG1HNJ Location Part number Description Remark 040G 45760819A...
  • Page 54 Lenovo Service Manual L2262W U702 056G 563 75 G1084-33T43UF TO-252 U107 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L U106 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L U105 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L U104 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L U103 056G 662502 IC ESD AZC199-04S.R7G SOT23-6L...
  • Page 55 Lenovo Service Manual L2262W R134 061G0402100 JY NO-SUGGEST RST CHIPR 10 OHM +-5% 1/16W Y 2nd source R424 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA R425 061G0402101 JF RST CHIPR 100 OHM +-5% 1/16W FENGHUA R426 061G0402101 JF...
  • Page 56 Lenovo Service Manual L2262W R110 061G0402471 JT RST CHIP 470R 1/16W 5% TZAI YUAN R123 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA R124 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA R125 061G0402472 JF RST CHIPR 4.7KOHM +-5% 1/16W FENGHUA...
  • Page 57 Lenovo Service Manual L2262W C302 065G040222415K CAP CHIP 0402 220nF K 16V X5R C117 065G040222415K CAP CHIP 0402 220nF K 16V X5R C116 065G040222415K CAP CHIP 0402 220nF K 16V X5R C114 065G040247312K CAP 0402 47NF 10% 16V X7R C111...
  • Page 58 Lenovo Service Manual L2262W J34G8B83AEN 1M9210 BASE J34G8B84ED7 1L9010 STAND J34G8B85 B6 1L9010 SWIVE RING J37G8B07 1 HINGE J40G 22N60810A RATING LABEL FOR L2262wA J40G 22N60811A rating label for L2262wA 防拆标签 J40G 581608 1A CEL LABEL FOR L2262wA 1 级...
  • Page 59 Lenovo Service Manual L2262W L005 081G 15W 1 EL CHIP LED WHITE 99-113UNC/2223010/TR8 D001 081G15YW 1 EL LED Yellow/White 99-225/Y2T7C-A27/2D 715G4572K0A001005F KEY PCB FR4 4L 120X14X0.8mm PLPCA1204YL1J POWER G2892-P01-020-X-10-100926(L) GND1 009G6005 1 GROUND TERMINAL 040G 45762412B CBPC LABEL IC902 056G 139 3A...
  • Page 60 Lenovo Service Manual L2262W 705GQ857044 Q901 ASS'Y 051G 200 1 OIL FOR DISAPPEAR Q901 057G 600 35 STP8NK80ZFP 2nd source Q901 057G 667 21 NO-SUGGEST STP10NK70ZFP 2nd source Q901 057G 667516 FET 2SK3673 TO-220 FUJI 2nd source Q901 057G 667906...
  • Page 61 Lenovo Service Manual L2262W R824 061G08053002FF RST CHIPR 30KOHM +-1% 1/8W FENGHUA R824 061G08053002FY RST CHIP 30K 1/8W 1% 2nd source R823 061G0805472 JF RST CHIPR 4.7KOHM +-5% 1/8W FENGHUA 2nd source R823 061G0805472 JY NO-SUGGEST RST CHIPR 4.7K OHM 5% 1/8W YA...
  • Page 62 Lenovo Service Manual L2262W R903 061G1206101 JF RST CHIPR 100 OHM +-5% 1/4W FENGHUA R923 061G1206101 JF RST CHIPR 100 OHM +-5% 1/4W FENGHUA R912 061G1206101 JF RST CHIPR 100 OHM +-5% 1/4W FENGHUA R930 061G1206101 JF RST CHIPR 100 OHM +-5% 1/4W FENGHUA...
  • Page 63 Lenovo Service Manual L2262W PLA1204YL1AIJ POWER BOARD FOR AI CN901 006G 31500 EYELET 040G 45762412B CBPC LABEL IC903 056G 158 10 T IC AS431AZTR-E1 TO-92 BY AAC IC903 056G 158 12 KIA431A-AT/P TO-92 2nd source Q904 057G 530503 T 2SD1207T...
  • Page 64 Lenovo Service Manual L2262W Q23G317860815A LOGO Q36G 600514 COTTON FABRIC Q40G000260876A LED LABEL Q45G 88606 23 pe bag for base Q52G6020143 protect film Q52G6025 13155 MYLAR E09501 S95G179T30N9E FFC CABLE 30PIN 220mm P1.0MM J901 095G 90 23 JUMPER WIRE J902...

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