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Service Manual

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Service Manual

LCD Monitor E2209Wf

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Summary of Contents for E2209Wf

Page 1: ...Service Manual 0 Service Manual LCD Monitor E2209Wf ...

Page 2: ...ease 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 E2209W Service Manual ...

Page 3: ...BLY 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 VGA CABLE 26 7 AFTER REPAIR TO ENSURE THE QUALITY YOU SHOULD DO THE FOLLOWING TEST AND ADJUSTMENT 27 CHAPTER 6 T...

Page 4: ... it gets wet unplug the power cable immediately and consult your closed dealer 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 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 vi...

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: ...h is a single layer board one is interface board including USB HUB 1up 2down one is keypad which is OSD control and one is USB transfer board located on the right side back cover The system function block diagram as below This PWA is included switching power supplier inverter for CCFL and interface board fig 1 Fig 1 INVERTER POWER ...

Page 7: ...Service Manual 6 Fig 12 ...

Page 8: ...ted to pin3 of U1 C7 is used for soft start and compensation The output drives include DRV1 DRV2 pins8 9 respectively output square pulses to drive MOSFET Q6 Q7 and each of Q6 Q7 is consist of a N P channel MOSFET Q6 and Q7 work as All Bridge structure it is high efficient PWM switching During start up VSEN pin1 senses the voltage at the transformer secondary When VSEN reaches 3 0V the output volt...

Page 9: ...nal reaches Pin1 VSEN of U1 when the voltage changes build in PWM of U1 will adjust output voltage Open Lamp Protection In normal operation R10 R11 are sensed a high level DC voltage If a CCFL is removed or damaged during normal the voltage at SSTCMP Pin2 rises rapidly when the voltage at SSTCMP reaches a threshold of approximately 2 0V a current source charges the capacitor C3 and C18 connected t...

Page 10: ... the wave from rectifier U850 is a highly integrated PWM controller Typical start up current for U850 is only 20 uA When current flow through R841 R842 R843 gets to Pin 3of U850 with VDD hold up capacitor C855 U850 is enough for starting up When U850 begins to operate Pin8 of U850 will output square wave to drive Q850 then the main current flow get to GND bypassing through T850 Q850 Because of the...

Page 11: ...power limit When Q850 are turned off the main current flow will be consumed through D851 C875 R853 R854 R855 and D853 This will prevent Q850 from being damaged under large current impulse and voltage spike 2 2 4 DC_27V and 5V Output Circuit and Feedback circuit fig 7 fig 7 D854 D855 is used to rectify the inducted current C862 is used to store energy when current is reversed The parts including C8...

Page 12: ...09 are ESD protector to prevent U105 from ESD Signal DDC_SCL series clock inputs via CN201 6 and then passes through ZD204 Zener for ESD protection via R209 goes into EDID EEPROM IC U201 6 Signal DDC_SDA series data inputs via CN201 7 and then passes through ZD203 Zener for ESD protection via R210 goes into EDID EEPROM IC U201 5 CN201 15 is defined as cable detect pin this detector realize passes ...

Page 13: ...VESA 1680 x 1050 65 160 60 0 IBM DOS 720 x 400 31 469 70 087 4 Power On Off Sequency Hardware power On Off When power cord plug into AC socket Power provides 26V and DC_5V DC_5V is main voltage for panel and Regulator U101 DC_3 3V is coming from Regulator U101 DC_3 3v is main voltage for U105 When DC_3 3V input to U105 and U105 reset circuit active U105 all registers will be set to default that me...

Page 14: ... 1 1000 5 D SUB Connector Pin Assignment 6 AC Outlet Pin Assignment Pin Symbol 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 ...

Page 15: ...lock 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 L...

Page 16: ...Service Manual 15 8 Key Parts Pin Assignments U105 TSUMU58EHJ LF 2 ...

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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: ... 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 star and loop compensation 3 CT I Timing resistor and capacitor for operation and striking frequency 4 RT1 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 Driver ...

Page 21: ...Service Manual 20 Chapter 4 Disassembly Assembly 1 Exploded Diagram ...

Page 22: ...Service Manual 21 2 E2209WFPf Disassembly Block Note 1 The arrows point out the direction of disassembly ...

Page 23: ...Service Manual 22 3 Assembly Block Note 1 The arrows point out the direction of assembly ...

Page 24: ...n Directly press 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...

Page 25: ...ode Selection Graphics Video Preset Modes Standard MultiMedia Game Warm Cool R G Custom R G B B Reset Color Settings Horizontal Position Vertical Position Sharpness Pixel Clock Phase Color Settings Reset Display Settings English Español Français Deutsch Português Brasil 简体中文 Language 日本語 Menu Transparency Menu Timer Menu Lock Lock Unlock DDC CI Enable Disable LCD Conditioning Enable Disable Factor...

Page 26: ...Auto Plus buttons together and then press Power button to turn on the monitor After power on Press Plus Key enter Factory mode Fig 10 Fig9 Fig10 Back Exit from Factory mode and back to NO OSD Status Panel The current setting panel is highlighted Auto Color Automatically calibrate chip ADC parameters by using internal DAC ...

Page 27: ... OSD Main Menu Press Plus Key to select Other Settings Menu then pop submenu and choose Factory reset Auto Color Balance Automatically calibrate chip ADC parameter by using chip internal DAC 5 1 If it is a new built set press Auto Plus button to execute Auto Color at standard video pattern 5 MOSAIC pattern 5 2 Please confirm the following steps to perform Auto Color Balance Connect the VGA cable w...

Page 28: ...Service Manual 27 Fig 11 The detailed reprogramming procedures will be described in ISP User s Guide After repair to ensure the quality you should do the following test and adjustment ...

Page 29: ...r 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 ...

Page 30: ...se the crosshatch pattern 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 If brightness uneven repairs Inverter circuit or change a new panel If you find the vertical line or horizontal line lost on the screen please change panel If the self test pattern is moving on the screen please check whether VGA...

Page 31: ...U108 normal when power AC on NO Change U104 Yes Change U108 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 b...

Page 32: ... 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 33: ...U1 Yes Vsense voltage is 2 9V No Are there PWM signal on pint on Pin12 of U1 Yes Pin14 of U1 Voltage is Low Level Pin6 10 of U1 voltage is high level voltage No power supply to inverter No Yes Check the cable that from I F BD to P I BD is ok No Q6 Q7 fail Yes Check power supply No Replace Q6 Q7 Check I F BD No Check I F BD No Lamp connector opened Yes U1 Failure No Feedback circuit failure Yes Che...

Page 34: ...or change U105 if yes Check Q101 circuit Check DC 5 0V on CN103 1 2 3 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 35: ...Service Manual 34 6 At 32 gray scale pattern color lost in some scale Color lost in some scale at 32 gray scale pattern Re insert the FFC Cable Change FFC Cable Change U105 OK END OK END NO NO ...

Page 36: ...HUN 1 412000653060R IC TSUMU58EHJ LF 2 PQFP128 MSTAR Rohs E MSTAR 1 412000494190R IC SST25LF020A 33 4C SAE SOIC8 SST ROHS SST 1 412000494310R IC PM25LV020 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...

Page 37: ...C ROHS PANJIT 0 90 411020047020R DIO BAV70 LF 70V SOT 23 FEC ROHS FRONTIER 0 100 432002312144R BEAD CORE SMD 0603 120Ω 300mA SBK160808 CHILISIN TAI TECH 1 FB101 110 432002360140R BEAD CORE SMD 0603 60Ω 600mA GBK160808 CHILISIN TAI TECH 2 FB102 FB105 120 410500068290R XSTR AP2305GN P CH SOT23 APEC RoHS APEC 1 Q101 120 410500075270R XSTR AO3415 P CH SOT23 AOS RoHS AOS 0 120 410060018380R XSTR AM2321...

Page 38: ...CCESS SEC 2 C25 C27 70 416202223610R CAP MEY 2200pF 250V M Y2 Y5V P 7 5mm RoH JNC POE SUCCESS SEC TDK 2 C850 C851 70 416202223620R CAP MEY 2200pF 250V M Y2 Y5V W O FORMIN JNC POE SUCCESS SEC 0 80 416194743011R CAP MEX 0 47uF 275V K X2 F15 RoHS ARCOTRONIC EUROPTRONIC HJC SCC 1 C852 90 420431014083R CAP SEK 100uF 450V M 105 CF 18x40 2 5 ELITE SAMXON SU SCON 1 C854 100 416213323620R CAP MEY 3300pF 25...

Page 39: ...20070R C SMD 0805 X7R 1000PF 50V K RoHS DARFON TDK WALSIN YAGEO 4 C4 C5 C847 C848 40 419312233070R C SMD 0805 X7R 0 022uF 25V K RoHS DARFON TDK WALSIN YAGEO 2 C6 C14 50 419314730070R C SMD 0805 X7R 0 047uF 50V K ROHS DARFON TDK WALSIN YAGEO 3 C12 C13 C7 60 419312210070R C SMD 0805 X7R 220PF 50V K RoHS DARFON TDK WALSIN YAGEO 1 C8 70 419311040070R C SMD 0805 X7R 0 1uF 50V K RoHS REV A DARFON TDK WA...

Page 40: ... FRONTIER 0 320 410080003290R XSTR AP4575GM N P SO 8 APEC ROHS AP 2 Q6 Q7 320 410080003430R XSTR P5506NVG N P SOP 8 NIKO SEM ROHS NIKO 0 330 410070010240R XSTR MMBT4401 NPN SOT23 FAIRCHILD RoHS FAIRCHILD 1 Q851 330 410070010420R XSTR MMBT4401 NPN SOT23 PANJIT RoHS PANJIT 0 330 410070010210R XSTR PMBT4401 NPN SOT23 PHILIPS RoHS PHILIPS 0 340 412000628810R IC LD7552BPS SOP8 Leadtrend ROHS LEADTREND ...

Page 41: ... ROHS FOR PCB HENGMINGDA JIAYINMEI KAIDA 1 ITEM P N Description Supplier Usage Location 791701460600R PCBA PWR INV B AI R LE22F4 612 RoHS 10 430613830290R FUSE TIME LAG 3 15A 250V RoHS BELFUSE CONQUER LITTELFUSE WALTER 1 F850 20 420421000530R CAP SD 10uF 50V M VT 105 5x11 RoHS LELON SAMXON SU SCON TEAPO 1 C855 30 420424710231R CAP SD 470uF 25V M 105 VT 10x16 RoHS LELON SAMXON SU SCON TEAPO 3 C856 ...

Page 42: ...901R ASSY PACK 40STD LE22F4 1 PC A 140 x 713010000900R ASSY PACK 20STD LE22F4 0 PC A 140 x 713010000903R ASSY PACK AIR CARGO 20STD LE22F4 0 PC A 140 x 713010000904R ASSY PACK AIRCARGO 40STD LE22F4 0 PC A 140 x 713010000905R ASSY PACK AIR CARGO 40H LE22F4 0 PC A 20080403 ITEM Phant item P N Description Supplier Usage Un Revision 714070EB0000R ASSY FINAL B W O SPK LE22F4 B12 E2209Wf A 10 50921210350...

Page 43: ...H120mm LE1746 實習工廠 0 PC B 20 506037009500R CARDBOARD COVER L1192xW898xH100xT3mm LE2 佳藝美盈森 0 PC A 30 506039000101R CORNER PAPER 1000x50x50xT3mmLE1711 佳藝金惠 0 PC A 40 506039001400R CORNER PAPER 200x50x50mm ROHS 佳藝金惠 0 PC A 50 506431000300R FILM PE 500mmx900M ROHS 三輝柏興 0 ROL A 60 506120400100R BAG AIR DUNNAGE 2000x1000mmLE1X03 ROHS SISUN 0 PC A 70 506380002612R TAPE WRAPPING TYPE 50Mx82mm 佳普森 0 RO...

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Page 50: ...Service Manual 49 Attachment 3 PCB Layout power inverter bd power inverter board Top Layer ...

Page 51: ...Service Manual 50 Bottom Layer ...

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