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Dell E2009W, Service Manual

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 Service Manual

 

 

                       

 

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Service Manual 

LCD Monitor E2009W 

Summary of Contents for E2009W

Page 1: ...Service Manual 0 Service Manual LCD Monitor E2009W ...

Page 2: ...lease Copyright Copyright 2007 InnoLux Display Corp Ltd All Rights Reserved This manual may not in whole or in part be copied Photocopied reproduced translated or converted to any electronic or machine readable form without prior written permission of Foxconn Tech Corp Ltd Dell E2009 Service Manual ...

Page 3: ...LY BLOCK 22 3 ASSEMBLY BLOCK 23 CHAPTER 5 TEST AND ADJUSTMENT 24 1 FUNCTION KEY DEFINITIONS 24 2 OSD CONTROL 24 3 FACTORY MODE INTRODUCTION 26 4 BURN IN PATTERN 27 5 AUTO COLOR BALANCE AUTOMATICALLY CALIBRATE CHIP ADC PARAMETER BY USING CHIP INTERNAL DAC 27 6 UPLOAD FIRMWARE TO MCU VIA VGACABLE 27 7 AFTER REPAIR TO ENSURE THE QUALITY YOU SHOULD DO THE FOLLOWING TEST AND ADJUSTMENT 27 CHAPTER 6 TRO...

Page 4: ...it gets wet unplug the power cable immediately and consult your closed dealer z Always unplug the monitor before cleaning it Clean the cabinet with a clean dry cloth Apply non ammonia based cleaner onto the cloth not directly onto the class screen z Do not place heavy objects on the monitor or power cord PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety...

Page 5: ...Chapter 2 SERVICE TOOLS EQUIPMENT REQUIRED 1 SIGNAL GENERATOR 2 MULTIMETER 3 SCREW DRIVER 4 OSCILLOSCOPE 5 Soldering IRON 6 SOLDER Lead free RoHS compliance 7 Color Analyzer 8 Fox_VISP_Programmer 9 Fox_VEDID_Programmer ...

Page 6: ...WA is included switching power supplier inverter for CCFL and interface board fig 1 Lamp1 3 To Panel CCFL To IF Board AC Line Filter ON OFF Control Power MOSFET Power Transformer Inverter Transformer Photocoupler MOSFET 5V DC output MOSFET Snubber Schottky 2 Lamp4 INL833 AC Input 90V 264V 4 Brightness Control Feedback and OVP Lamp2 PWM Control IC LD7552B Rectifier Filter Circuit 24V DC output Snub...

Page 7: ...Service Manual 6 Fig 2 ...

Page 8: ...V1 and DRV2 of U1 are used to drive Q6 and Q7 DRV1 and DRV2 are controlled by build in PWM IC Q6 and Q7 are switches which has two build in N P IGBTs The voltage signal on negative pole of ZD6 ZD7 sensed through R6 R19 comes to Pin14 of U1 ISEN Lamp Current Detection Control The CCFL current is detected through R6 R19 and reaches a regulated value The CCFL current detected at resistor R6 R19 is co...

Page 9: ...shold voltage that is lower than3V VSEN threshold Once the voltage at TIMER pin reaches 3V the IC will shut down and latch OVPT voltage setting is determined by a resistor divider R16 R8 connected to the OVPT 2 2 Power PWM circuit 2 2 1 AC Input and EMI Filter fig 2 2 1 R850 499K F850 3 15A 250V C850 222 Y2 L850 CHK 007 4 1 3 2 C851 222 Y2 R851 499K C852 0 47uF X2 CN850 10A 250V 1 3 2 R852 499K RT...

Page 10: ...threshold voltage around 0 85V the output GATE drive will be turned off Every time when the output of power supply is shorted or over loaded the FB voltage will increase the build in PWM output will then be turned off Both will prevent the power supply from being overheated under over loading condition The PWM duty cycle is determined by this current sense signal and VFB the feedback voltage The v...

Page 11: ...and then goes into IC U105 TSUM58EHJ LF 2 33 Signal TTL horizontal sync Hsync inputs via CN101 13 and then clamped by ZD102 Zener passes through R133 and then goes into IC U105 TSUM58EHJ LF 2 32 CN101 5 is defined as cable detect pin this detector realize via R121 and U104 36 and D102 is ESD protector U103 5V is supplied by PC via CN102 9 with ZD102 for ESD protection or supplied by Monitor self v...

Page 12: ...UM58EHJ LF 2 128 127 U105 TSUM58EHJ LF 2 108 is RESET signals input pin Please refer to U105 TSUM58EHJ LF 2 Pin Assignments table in page 2 3 5 Regulator Circuit 3 3V is generated from Regulator U101 which is supplied by 5V via R101 and through C104 filtering 1 8V is generated from Regulator U102 which is supplied by 3 3V through C106 filtering 3 FACTORY PRESET TIMING TABLE Standard Resolution Hor...

Page 13: ... active If power ON U105 123 LED_blue will send out low potential and then LED blue on If power saveing U105 124 LED_Amber will send out low potential and then LED Amber on If power ON or power saveing when press power key U105 4 receives low pulse then U105 will be sleeping and turn off backlight at the same time the panel will lose 5V The Panel_Vcc Backlight_En CLK DATA output to panel will foll...

Page 14: ...UB Connector Pin Assignment 6 AC Outlet Pin Assignment Pin Symbol Description 1 Line 2 GND 3 Neutral 7 Inner Connector Pin Assignment 7 1 CN103 Connect M B to Panel Pin Symbol Description 1 Panel_Vcc Panel power supply typ 5 0V 2 Panel_Vcc Panel power supply typ 5 0V 3 Panel_Vcc Panel power supply typ 5 0V 4 NC 5 NC 6 NC Pin Symbol Pin Symbol Pin Symbol 1 Red 6 Red_GND 11 GND 2 Green 7 Green_GND 1...

Page 15: ...ock 23 RXOC LVDS signal of even channel clock 24 GND_LVDS LVDS Ground 25 RXO2 LVDS signal of even channel 2 26 RXO2 LVDS signal of even channel 2 27 RXO1 LVDS signal of even channel 1 28 RXO1 LVDS signal of even channel 1 29 RXO0 LVDS signal of odd channel 0 30 RXO0 LVDS signal of odd channel 0 7 2 CN1 CN2 CN3 CN4 Connect to Panel Backlight Pin Symbol Description 1 HV High voltage for lamp 2 LV Lo...

Page 16: ...Service Manual 15 8 Key Parts Pin Assignments U105 TSUM58EHJ LF 2 ...

Page 17: ...Service Manual 16 ...

Page 18: ...Service Manual 17 ...

Page 19: ...BPL bit in the status register 4 VSS G Connect ground 5 SI I O To transfer commands addresses or data serially into the device input are latched on the rising edge of the serial clock 6 SCK I O To provide the timing of serial interface Commands addresses or input data are latched on the rising edge of the clock input while output data is shifted out on the Falling edge of the clock input 7 HOLD I ...

Page 20: ...rive the external MOSFET 8 4 U1 INL833 CCFL Inverter controller IC Pin Symbol I O Description 1 VSEN I Voltage Sense Feedback 2 SSTCMP I Capacitor for Soft Start and loop Compensation 3 CT I Timing Resistor and Capacitor for Operation and Striking Frequency 4 RT I Timing Resistor for Striking Frequency 5 GNDA Signal Ground 6 PDR2 O High Side Driver Output2 7 GNDP Power Ground 8 NDR2 O Low Side Dri...

Page 21: ...n Cc 509016305200R SCREW I CROSS M3 6 Zn CcROHS 509016306200R Bolt 4 40 12 5 Ni 509000001000R 509112304100R 502210100400R 501010222000R 714030020700R 714050019600R 504010000300R 502040500000R 502090314000R 502020306000R 502020306010R PCBA IF_BOARD Ass y 19 1 Button LE20M9 501030211900R 1 Power lens LE20M9 501120110000R 1 Back Cover LE20M9 501020225900R release button LE19E6 501030210220R 1 7140112...

Page 22: ... M3 6 Zn Cc 2 BOLT 4 40 NI 4 P cross T T 3 4 Zn 1 PANEL ASSY 1 spring 2 slide 1 fix plateR 1 Chassis 1 I F board 1 ower board 1 CHASSIS ASSY 1 STAND ASSY 1 kensington lock 1 BACK COVER ASSY 1 Back cover 1 Front bezel 1 logo plate 1 Button_Function 1 FRONT BEZEL ASSY 1 VESA release button 1 LE20M9 DISASSEMBLY BLOCK power lens 1 B Cross W WAS M3 9 Zn Cc 1 I Cross M3 6 Zn Cc 2 TAPE ACE 85x20mm 1 Note...

Page 23: ...COVER ASSY 1 keypad board 1 spring 2 fix plateL 1 slide 1 fix plateR 1 Chassis 1 I F board 1 Power board 1 panel 1 CHASSIS ASSY 1 STAND ASSY 1 kensington lock 1 Back cover 1 front bezel 1 logo plate 1 Button_Function 1 FRONT BEZEL ASSY 1 EMI clip FINAL ASSY 1 P cross T T 3 4 Zn 1 Screw P Cross T T 2 3 BLK 4 B Cross W WAS M3 9 Zn Cc 1 I Cross M3 6 Zn Cc 2 power LENS 1 support rubber 4 TAPE ACE 85x2...

Page 24: ...ress Factory Modes Keys Function Auto Color Balance Purpose Automatically calibrate chip ADC parameter by using chip internal DAC Process If we want to do Auto Color Balance again please confirm the following steps 1 Connect the VGA cable with the standard video pattern generator and display the pattern with blackest and whitest colors 2 Press Power Key to power off the monitor 3 Press Menu Key an...

Page 25: ...GB YPbPr Mode Selection Graphics Video Preset Modes Standard Video MultiMedia Game Warm sRGB Cool Back Red Color Setting Reset Color Settings Custom R G B Green Horizontal Positon Vertical Position RGB YPbPr Sharpness Pixel Clock Phase Display Settings Reset Display Settings Language English Español Français Deutsch Language Brasil Menu Transparency 簡體中文 日本語 Main Menu Other Settings Menu Timer ...

Page 26: ...ory Mode Introduction With signal input press Power button to turn off the monitor Press Menu and Auto Plus buttons together and then press Power button to turn on the monitor After power on press Menu button to call out Main Menu Fig 9 Press Plus Key select Other Settings Menu then pop submenu and choose Factory to enter Factory mode Fig 10 Fig9 ...

Page 27: ...R G B of Blue Preset 9300K Red Preset 5700K and Normal Preset 6500K are generated from scaling chip s back end white balance program Time Turn on time of the panel DEBUG Debug tool of scale IC U104 Dell panel P N LCD supplier Panel Supplier P N Dell P N Samsung 19 W LTM190M2L31 GW843 AUO 19 W M190PW01 MY228 Burn in pattern Burn in pattern will self generate automatically without VGA and DVI cable ...

Page 28: ...orm Auto Color Balance Connect the VGA cable with the standard video pattern generator and display 5 MOSAIC pattern on the monitor Press Power button to power off the monitor Press Menu and Auto Plus buttons simultaneously then press Power button to power on the monitor Press Plus Key select Other Settings Menu then Press Plus Key and choose factory at bottom Set BurnIn Mode item to ON then execut...

Page 29: ...e detailed reprogramming procedures will be described in ISP User s Guide Edid 8 4 rar Edid rar ISP User s Guide_20070312 rar ISP_Tool V4 100 rar After repair to ensure the quality you should do the following test and adjustment ...

Page 30: ...saving mode Chroma Signal Generator VGA cable detector When select VGA model and VGA cable is not plugged out self test OSD will be floated Visual check Y measurement at default setting 1 Set brightness and contrast to default value 75 at 6500K 2 With full white pattern Y shall be 220 20 cd m2 Chroma Signal Generator and Color Analyzer OSD Lock Test Soft Lock When OSD is locked this icon should ap...

Page 31: ...e crosshatch pattern z This LCM support 10 timing modes if the input timing mode is out of specification Cannot Display this Video Mode will be displayed on the screen z If brightness uneven repairs Inverter circuit or change a new panel z If you find the vertical line or horizontal line lost on the screen please change panel z If the self test pattern is moving on the screen please check whether ...

Page 32: ...5 normal when power AC on NO Change U105 Yes Change U105 NO Is the keypad cable connective OK Reassembly or changing Yes Is theLED control signal at 123 of U105 high low convertible when DC on off NO NO Change Q107 Is the key function OK NO Press power key to DC on the monitor if display ok the process is end if no display see the no backlight process Yes Upgrade Firmware to Serial Flash U108 by V...

Page 33: ... separately when select VGA mode by OSD Do the Hsync Vsync Signals exist in R133 R134 Do the Hsync Vsync Signals exist in U105 32 33 Is the Q108 work normal Is theLED control signal at 4 of U105 high low convertible when DC on off END Insert VGA Cable correctly Check R133 R134 Change R135 R136 Change Q108 NO NO NO NO YES YES YES YES YES Change U105 NO ...

Page 34: ... when DC on off NO Yes Is the low active reset signal at 105 of IF Board U105 normal NO Change C164 Yes Is the PWM signal at 125 of IF Board U105 normal when power AC on Change U105 NO Update Firmware to Serial Flash U108 by VGA port with ISP_Tool V4 100 exe after this process no the control signal yet change U108 Yes Change X101 Yes Is the voltage 24V at Q6 Q7 pin3 Check T850 or F850 NO Yes Yes C...

Page 35: ... or change U105 if yes Check Q101 circuit Check DC 5 0V on CN101 1 2 Are there data output on U105 77 86 91 100 Change U105 END Change D103 D104 D105 YES YES VGA YES NO NO NO IS the display is white and cannot display OSD when press key Yes Is the FFC cable inserting ok if no reinsert else change FFC cable No Is display selftest picture at VGA mode or DVI mode DVI Is there DVI signal in U105 9 10 ...

Page 36: ...MR SW DIP ER28 TP4 550uH SPW 115 ROHS FRONTIER 0 XFMR SW DIP ER28 TP4 550uH SPW 115 ROHS LISHIN 0 426000091150R XFMR SW DIP ER28 TP4 550uH SPW 115 ROHS MEIKAI 0 XFMR SW DIP EEL22 P4 4 16H SPW 116 ROHS DARFON 1 XFMR SW DIP EEL22 P4 4 16H SPW 116 ROHS FOXCONN 0 XFMR SW DIP EEL22 P4 4 16H SPW 116 ROHS HUALON 0 426000091160R XFMR SW DIP EEL22 P4 4 16H SPW 116 ROHS LISHIN 0 PI BD 420431014083R CAP SEK ...

Page 37: ...020 100SCE SOIC8 PMC RoHS PMC 0 412000224482R IC AT24C16BN SH T 16K ATMEL SOIC 8 ROHS ATMEL 1 412000224280R IC M24C16 WMN6TP SO8 16K ST ROHS ST 0 412000481990R IC CAT24C16WI TE13 SOIC 8 CATALYST RoHS CATALYST 0 412000332020R IC LD1117AL 3 3 A TO 252 UTC RoHS UTC 1 412000332130R IC AP1117D33LA 3 3V ANACHIP TO 252 3L ANACHIP 0 412000332830R IC AS1117R 3 3 TR LF TO 252 A1 SEMI RoHS A1SEMI 0 412000330...

Page 38: ...TEON R LITEON 0 PC 190 411090050090R SCHTKY SB5150F98 150V 5A DO 201AD PANJI PANJIT 2 PC D856 D857 190 411090050020R SCHTKY SR515F69 LF 150V 5A DO 201AD FEC FRONTIER 0 PC 190 411090050450R SCHTKY SR5150PT F 150V 5A DO 201AD CHEN CHENMKO 0 PC 200 426000091160R XFMR SW DIP EEL22 P4 800uH SPW 116 ROHS DARFON FOXCONN HUALON LISHIN 1 PC T1 210 426000091150R XFMR SW DIP ER28 TP4 550uH SPW 115 ROHS FOXCO...

Page 39: ... SOD 123 WILLAS ROH WILLAS 0 PC 300 411131056050R ZENER 5 6V 0 5W BZX79 C5V6 DO3 5 PHILIPS PHILIPS 0 PC 300 411120956950R ZENER 5 6V 0 41W BZT52 C5V6 SO D123 PANJ PANJIT 0 PC 310 411020026210R DIO BAV99 350mW 70V SOT 23 PHI RoHS PHILIPS 2 PC ZD6 ZD7 310 411020026390R DIO BAV99 SOT 23 INFINEON RoHS INFINEON 0 PC 310 411020026090R DIO BAV99 350mW 75V SOT 23 PEC RoHS PANJIT 0 PC 310 411020026020R DIO...

Page 40: ... 3 AME RoHS AME 0 PC 50 412022002830R IC AS431 TO 92 VT A1SEMI RoHS A1SEMI 0 PC 50 412022002840R IC TL431ACLPG TO 92 1 VT ON RoHS ON SEMI 0 PC 50 412022002440R IC AZ431BZ ATRE1 TO 92 BCD RoHS BCD 0 PC 60 430613830290R FUSE TIME LAG 3 15A 250V RoHS BELFUSE CONQUER LITTELFUSE WALTER 1 PC F850 70 418210233030R CAP CD X7R 1000pF 1KV K VT 2X7R102K102K5 JNC POE SUCCESS SEC 2 PC C862 C873 3 PCBA KEYPAD B...

Page 41: ...OGO PLATE DELL UX383 LE1963 2 714050019600R Back Cover Assy LE20M9 3 0010 A 501020225900R Back Cover LE20M9 3 0020 A 501030210220R release button LE19E6 3 0030 A 502210100400R KENSINGTON LOCK LE1963 3 0040 A 503010005800R SUPPORT RUBBER 19 8 15 8mm 2 7140840A0000R ASSY PANEL W O SPK LE20M9 A12 E2009Wf 3 0010 631102200330RD LCP 20 1 LM201WE3 TLK3 A LGD ROHS 3 0020 A 701000011900R Chassis Assy LE20M...

Page 42: ...H120mm LE20M9 3 0020 A 506037011100R CARDBOARD COVER L1188xW1146xH100xT3mm LE 3 0030 A 506039006900R CORNER PAPER 950x50x50xT3mm LE1712 3 0040 A 506039001400R CORNER PAPER 200x50x50mm ROHS 3 0050 A 506431000300R FILM PE 500mmx900M ROHS 3 0060 A 506120400100R BAG AIR DUNNAGE 2000x1000mmLE1X03 ROHS 3 0070 A 506380002612R TAPE WRAPPING TYPE 50Mx82mm 2 713010005404R ASSY PACK AIRCARGO 40STD LE20M9 3 0...

Page 43: ...Service Manual 42 ...

Page 44: ...Service Manual 43 inverter board schematic power board schematic ...

Page 45: ...Service Manual 44 Attachment 3 PCB Layout power inverter bd power inverter bd Top Layer ...

Page 46: ...Service Manual 45 Bottom Layer ...

Page 47: ...Service Manual 46 I F board Top Layer Bottom Layer ...

Page 48: ...Service Manual 47 Keypad Top Layer ...

Page 49: ...Service Manual 48 Bottom Layer ...

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