Dell E2209Wf Service Manual
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Dell E2209Wf Service Manual

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Service Manual
LCD Monitor E2209Wf
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Summary of Contents for Dell E2209Wf

  • Page 1: Service Manual

    Service Manual Service Manual LCD Monitor E2209Wf...
  • Page 2 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: Table Of Contents

    Service Manual Table of Contents CHAPTER 1- PRECAUTIONS & SAFETY NOTICES ........................3 SAFETY PRECAUTIONS..............................3 PRODUCT SAFETY NOTICE ............................... 3 SERVICE NOTES ................................... 3 CHAPTER 2- SERVICE TOOLS & EQUIPMENT REQUIRED....................... 4 CHAPTER 3- CIRCUIT THEORY ................................ 5 ..................................5 LOCK IAGRAM ..............................

  • Page 4: Chapter 1- Precautions & Safety Notices

    Service Manual Chapter 1- PRECAUTIONS & SAFETY NOTICES SAFETY PRECAUTIONS This monitor is manufactured and tested on a ground principle that a user’s safety comes first. However, improper used or installation may cause damage to the monitor as well as to the user. WARNINGS: ...

  • Page 5: Chapter 2- Service Tools & Equipment Required

    Service Manual 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: Chapter 3- Circuit Theory

    Service Manual Chapter 3- CIRCUIT THEORY Block Diagram There are pcs PCBA in this monitor, one is power& inverter&Audio board which 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.
  • Page 7 Service Manual Fig.1...

  • Page 8: Electronic Circuit Theory

    Service Manual Electronic Circuit Theory Inverter PWM circuit 2.1.1)Inverter Control circuit:(fig.2) Fig.2 27VDC provides the power for U1; the control signals Brightness and ON/OFF come from I/F board. ON/OFF signal connect to pin of U1 and makes U1 enable. Brightness signal connect to of U1 and regulates the panel brightness, make up a network of delaying time circuit and R23 make up a divided voltage network, C is used to .
  • Page 9 Service Manual Over Voltage Protection and over-current protection are monitored by the voltage on VSEN(Pin 1) During normal operation , if a CCFL is damaged or removed ,the voltage at VSEN (Pin1) increases .Once the voltage at VSEN exceeds 3.0V (OVPT Setting) the driver output duty cycle is regulated and the shutdown delay timer is activated.
  • Page 10 Service Manual voltage is from 90V to 264V. R850/ 851/R852 are joined between two inputting main circuit to prevent man from shock. L85 is used to filter low frequency noise. C850 and C851 are used to discharge the noise that L85 produced. High frequency waves are damped by C852; 2.2.3)High Voltage to Low Voltage Control Circuit:(fig.6) fig.6 D850 is a rectifier in which there are 4 build-in diodes, inverting AC to DC.
  • Page 11 Service Manual When the sense voltage across the sense resistor R859, reaches the 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 of two will prevent the power supply from being overheated under over loading condition.
  • Page 12 Service Manual 2.3 I/F Board Circuit (see the Attachment 2- Schematic) 2.3.1 RGB CAPTURE - Signal RED,GREEN,BLUE input through CN102 #1,#2,#3, Stop DC via C113, C114 and C115, and then enter into U105 (TSUMU58EHJ-LF-2) analog input PIN #28,#25,#23, and then TSUMU58EHJ-LF-2 deals with signal internally.

  • Page 13: Factory Preset Timing Table

    Service Manual - U105 (TSUMU58EHJ-LF-2) #73 output PPWR ”H” potential to make Q104 conducted, and then make Q101 conducted, +5V flow to CN103#1~#3 as Panel Vdd . - U105 (TSUMU58EHJ-LF-2) #109 output CCFL_ON/OFF ”L” potential to control Inverter on/off. - U105 (TSUMU58EHJ-LF-2) #125 outputs Brightness “PWM” signals to control CCFL brightness. - TCLK by Crystal 14.318MHz input to U105 (TSUMU58EHJ-LF-2) #128/#127.

  • Page 14: D-Sub Connector Pin Assignment

    Service Manual Power supply for panel+5V V Signals Valid data (Digital RGB, HS, VS, DE, CLOCK) Power supply for backlight T1(ms) T2 (ms) T3 (ms) T4 (ms) T5 (ms) T6 (ms) T7(ms) 0.3~10 0.0~50 >500 >100 0.0~50 >1000 0.1~10 0.0~50 >200 >100 0.0~50...
  • Page 15 Service Manual GND_LVDS LVDS Ground RXE3+ LVDS signal of even channel 3(-) RXE3- LVDS signal of even channel 3(+) RXEC+ LVDS signal of even channel clock (+) RXEC- LVDS signal of even channel clock (-) RXE2+ LVDS signal of even channel 2(+) RXE2- LVDS signal of even channel 2(-) GND_LVDS...

  • Page 16: Key Parts Pin Assignments

    Service Manual 8. Key Parts Pin Assignments U105(TSUMU58EHJ-LF-2)
  • Page 17 Service Manual...
  • Page 18 Service Manual...
  • Page 19 Service Manual 8.1 U108 (Serial Flash) Symbol Description The device is enabled by a high to low transition on CE#. CE# must remain low for the duration of any command sequence. To transfer commands, addresses, or data serially into the device. The write protect (WP#) pin is used to enable/disable BPL bit in the status register.
  • Page 20 Service Manual 8.3 U850 ( , PWM Power Controller) Symbol Description Ground COMP Voltage feedback pin(same as the COMP pin in UC384X).By connecting a photo-coupler to close the control loop and achieve the regulation. Supply voltage pin This pin is to program the switching frequency. By connecting a resistor to ground to set the switching frequency.

  • Page 21: Chapter 4- Disassembly & Assembly

    Service Manual Chapter 4- Disassembly & Assembly 1. Exploded Diagram...

  • Page 22: E2209Wfpf Disassembly Block

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

  • Page 23: Assembly Block

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

  • Page 24: Chapter 5- Test And Adjustment

    Service Manual Chapter 5- TEST AND ADJUSTMENT 1. Function key Definitions Menu Enter Power Power Switch with power LED indicator Power: On/Off, includes power indicator and Power ICON green- Active On Amber- DPMS Front Panel Controls 1- Input select: Select input signal 2- Menu: Call out OSD Menu and choose 3- (): symbol molded into button, calls out brightness/Contrast, move down the highlight bar.

  • Page 25: Osd Control

    Service Manual Factory mode. OSD Control ñ ç ê...

  • Page 26: Factory Mode Introduction

    Service Manual Factory 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 “Plus Key”, enter Factory mode (Fig.10).

  • Page 27: Burn-In Pattern

    Color Temp: The 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...

  • Page 28: After Repair, To Ensure The Quality You Should Do The Following Test And Adjustment

    Service Manual 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 Service Manual Item Content Equipment Test OSD 1.Signal is set as 1680×1050@60Hz under General-1 Chroma function Signal Generator 2. LCM button are from left to right, checking whether each single function key and compound function key can be worked. Contrast Check 1.

  • Page 30: Chapter 6- Trouble Shooting

    Service Manual Chapter 6- TROUBLE SHOOTING Common Acknowledge  If you change the M/B, be sure that the U101,U102 and U105 these three components also changed to the new M/B because there was program inside. If not, please re-write EDID or upload firmware into serial flash(U105) via VGA Cable.
  • Page 31 Service Manual Power(include IF +5Vand +3.3V) supply normal but LED off and no display Is the key function OK? Press power key to DC on the monitor, if display ok the process is end, if no display see the no backlight process Is the frequency 14.318MHz at Change crystal X101 #127,#128 of IF Board U105?

  • Page 32: Led Amber

    Service Manual Power (include IF +5Vand +3.3V) supply and display normal but LED Amber Is Power LED Amber? Do the Hsync. & Vsync. Signals exist Insert VGA Cable correctly in CN102 #13& #14 separately when select VGA mode by OSD? Do the Hsync.
  • Page 33 Service Manual 4.Power (include IF +5Vand +3.3V) supply normal ,key function OK,but backlight can’t be turned on No backlight No power supply to Check the cable that from I/F LED lamp is OK inverter BD to P/I BD is ok Is there 27V Voltage on Check power supply Q6, Q7...
  • Page 34 Service Manual 5. Backlight on, key function and LED accurate indication ok but no picture Backlight on ,key function and LED accurate indication ok but no picture IS the display is white and cannot Check DC 5.0V on Is the panel enable display OSD when press key? CN103#1, #2, #3 signal at 73# of...

  • Page 35: At 32-Gray Scale Pattern, Color Lost In Some Scale

    Service Manual 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...

  • Page 36: Chapter 7- Recommended Part List

    Service Manual Chapter 7- RECOMMENDED PART LIST Content Description Supplier Usage IC LD7552BPS SOP8 Leadtrend)ROHS 412000628810R LEADTREND, 412000654630R IC INL833GN SOP16(O2 MICRO)Rohs 426000091010R XFMR SW DIP ERL28 PC40 550uH SPW-101 RoH FOXCONN,FRONTIER,LISHIN,MEIKAI, 426000091160R XFMR SW DIP EEL22 P4 4.16H SPW-116 ROHS DARFON,FOXCONN,HUALON,LISHIN, CAP SEK 100uF/450V M,105 CF 18x40(2.5)

  • Page 37: Attachment 1- Bill Of Material

    Service Manual ATTACHMENT 1- Bill of Material 1. Interface board BOM 2E+07 ITEM Description Supplier Usage Location 791701300B00R PCBA,I/F BOARD W/O SPK,LE22F4-B12 ROHS 10 629030018710R PROGRAM,W/O SPK LE22F4-B12 ROHS 20 791701320600R PCBA,I/F BOARD,MI,W/O SPK,LE22F4-612 ROH 30 791701340600R PCBA,I/F BOARD,SMT,W/O SPK,LE22F4-612 RO 40 511130001200R SOLDER BAR,Sn96.5/Ag3.0/Cu0.5/Ni0.06/Ge0 TOMAS,...
  • Page 38 Service Manual 320 412000435481R IC AT24C02BN-SH-T 2K SOIC8(ATMEL)RoHS ATMEL, 2 U103,U201, 320 412000480280R IC M24C02-RMN6TP SO8(ST)RoHS 320 412000480990R IC CAT24C02WI-TE13 SOIC-8(CATALYST)RoHS CATALYST, 330 412000653060R IC TSUMU58EHJ-LF-2 PQFP128(MSTAR)Rohs MSTAR, 1 U105, 340 412000224482R IC AT24C16BN-SH-T 16K(ATMEL) SOIC 8 ROHS ATMEL, 1 U106, 340 412000224280R IC M24C16-WMN6TP SO8 16K (ST) ROHS 340 412000481990R...
  • Page 39 Service Manual...
  • Page 40 Service Manual...
  • Page 41 Service Manual 3.PCBA KEYPAD BOM PCBA,KEYPAD BOARD SMT LE22F4-612 ROHS...
  • Page 42 506120300060R BAG, PLASTIC,L670*W440mm(PRINTED), LE22E 506120007000R BAG PLASTIC L480xW610xT0.05mm(PRINTED) 506020025000R CARTON,DELL(WWW), LE22F4 506060010300R cushion-top,LE22F4 506060010310R cushion-bottom,LE22F4 506340004700R LABEL BLANK 101X50mm DELL EMEA CARTON 506380002622R TAPE, WRAPPING TYPE PRINTED(DELL), BLACK 0.00156 713010000901R ASSY PACK,40STD,LE22F4 713010000900R ASSY PACK,20STD,LE22F4 713010000903R ASSY PACK,AIR CARGO(20STD),LE22F4 713010000904R...

  • Page 43: Attachment 2- Schematic

    Phant.item P/N Description Supplier Usage Revision 714080EB0000R ASSY,PANEL,W/O SPK,LE22F4-B12(E2209Wf) 631102220480RD LCP 22" LTM220M1-L01-CTB(A)(SAMSUNG)ROHS 631102220490RD LCP 22" LTM220M1-L01-CUB(A)(SAMSUNG)ROHS 701000009400R ASSY,CHASSIS,V,LE19F6 MMP, 501110200400R LOGO PLATE DELL UX383 LE1963 DEMETER, 509000001000R BOLT,#4-40x12.5,Ni ROHS 509016305200R SCREW,I,CROSS,M3*5,Zn-Cc 509016306200R SCREW,I,CROSS,M3*6,Zn-Cc 509146306200R SCREW,P,CROSS,W/WAS,M3*6,Zn-Cc 509476606200R SCREW,B,CROSS W/W(T)M3*8,ZnROHS 791701300B00R PCBA,I/F BOARD W/O SPK,LE22F4-B12 ROHS...
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  • Page 46 Service Manual 2.power board schematic...
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  • Page 50: Attachment 3- Pcb Layout

    Service Manual Attachment 3- PCB Layout power/inverter bd: power/inverter board: Top Layer...
  • Page 51 Service Manual Bottom Layer...

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