Dell E1709W Service Manual
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Dell E1709W Service Manual

Lcd monitor
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Service Manual

Service Manual
LCD Monitor E1709W
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Summary of Contents for Dell E1709W

  • Page 1: Service Manual

    Service Manual Service Manual LCD Monitor E1709W - 0 -...
  • 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 E1709W 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 ..................................

  • 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.

  • 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 2pcs PCBA in this monitor, one is power& inverter board which is a single layer board, and one is interface board&keypad which is OSD control. The system function block diagram as below This PWA is included switching power supplier, inverter for CCFL and interface board.(fig.1) Brightness Control...

  • Page 7: Electronic Circuit Theory

    Service Manual Electronic Circuit Theory 2.1 Inverter PWM circuit 2.1.1) Inverter Control circuit :( fig.2) +12V 100K 2.2uF/10V 3.3M 91K 1% OLP1 OLP2 PID_Input 10nF/25V 1nF/50V 1N4148 0.1uF/50V 1nF/50V C11/Open 0.1uF/25V P6006HVG DRV1 DRV2 100K VDDA GNDA 5K/Open TIMER 2.2uF/16V ISEN SSTCMP RSTR...
  • Page 8 Service Manual a DC voltage to PID (pin5). The striking frequency is determined by R12 and C9 connected to Pin 13(CT) and R6 connected to RSTR (Pin6).The operating frequency is determined by R12 and C9 connected to Pin 13(CT) and R7 connected to RT (pin7). DRV1 and DRV2 of U1 are used to drive U2.
  • Page 9 Service Manual 2.2 Power PWM circuit 2.2.1) Block diagram :( fig.4) EMI Filter Rectifier and Isolation power Rectifier and filter Inverter circuit filter transformer PWM controller Switching element Rectifier and filter LDO regulator Feedback Isolation Fig.4 2.2.2) AC Input and EMI Filter :( fig.5) L850 CHK-007 R850...
  • Page 10 Service Manual used to discharge the waves that L850 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. C854 is used to smooth the wave from rectifier.
  • Page 11 Service Manual When Q850 are turned off, the main current flow will be consumed through D851, C875, R854 and D853. This will prevent Q850 from being damaged under large current impulse and voltage spike. 2.2.4) DC_12V and 5V Output Circuit and Feedback circuit :( fig.7)
  • Page 12 Service Manual CN853 CON8PIN D801 C802 0.1/50V R801 10R ED602 R803 C801 R802 20R/open 0.01/50V D802 ED602 I851 TL431 R804 3K3 1% fig.7 D801 is used to rectify the inducted current. R801 and C861 are used to store energy when current is reversed.

  • Page 13: Factory Preset Timing Table

    Service Manual - Button “Power” on front bezel connects to U105 (TSUM1PER-LF-2) #58 through CN104 #1, U105 #58 is defined as power on/off. - Button “(” on front bezel connects to U105 (TSUM1PER-LF-2) #57 through CN104 #5, U105#57 Voltage is defined as “Plus”. - Button “(”...

  • Page 14: Power On/Off Sequency

    Service Manual 4. Power On/Off Sequency Hardware power On/Off When power cord plug into AC socket, Power provides 16V 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 means finish hardware power on.

  • Page 15: 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) SPEC (HSD) 0.5~10 0~50 0~50 >200 >200 >200 SPEC (LPL) 0.5~10 0.01~50 0.01~50 >500...
  • Page 16 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 17: Key Parts Pin Assignments

    Service Manual 8. Key Parts Pin Assignments 8.1 U105(TSUM1PER-LF-2)
  • Page 18 Service Manual...
  • Page 19 Service Manual 8.2 U108 (Serial Flash) Symbol Description The device is enabled by a high to low transition on 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 To provide power supply. 8.3 U850 (LD7575, PWM Power Controller) Symbol Description To program the switching frequency. By connecting a resistor to set the switching frequency. COMP Voltage feedback pin. The PWM duty cycle is controlled by COMP. Current sense for over current protection Ground PWM output...

  • Page 21: Chapter 4- Disassembly & Assembly

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

  • Page 22: E1709Wfp F Disassembly Block

    Service Manual 2. E1709W Disassembly Block Note: 1. The arrows point out the direction of disassembly.

  • Page 23: Assembly Block

    Service Manual 3. E1709W Assembly Block Chassis*1 Power board*1 Back cover*1 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 Hot Key Operation HOT KEY OPERATION FUNCTION DESCRIPTION MENU ENTER POWER Press [ ] & [MENU] at the same time, FACTORY and then press [POWER] for DC power ● ●...

  • Page 25: Osd Control

    Service Manual OSD Control First Second Third Default VGA Input Brightness Brightness Contrast Press v to adjust Auto Adjust the screen automatically Input Color Format YPbPr Graphics Graphics Mode Selection Video Standard Standard Multimedia Color Settings Game Present Modes Warm Cool Custom(R,G,B) Reset Color...

  • Page 26: Factory Mode Introduction

    Service Manual After disabling the sync output for VGA, DPMS message should show as below for 3s: “WARING MESSAGE Entering Power Save” Press the " " or " " key and the DPMS message should show as below: "WARING MESSAGE There is no signal coming from you computer Press any key on the keyboard or mouse to wake it”...

  • Page 27: Burn-In Pattern

    Service Manual Dell panel P/N LCD supplier Panel Supplier P/N Dell P/N 17”W U303H 170MGW1 17”W J666G LM171WX3 Burn-in pattern Burn-in pattern will self-generate automatically without VGA cable plugged in when the monitor set at Burn-in on mode and burn-in pattern will not be stopped until plugging in the VGA cable. Exit Burn-in mode method as followe: plugging in the VGA cable, press “Menu”...

  • 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 1440×900@60Hz under General-1 Chroma 2. LCM button are from left to right, checking whether each function Signal Generator single function key and compound function key can be worked. Contrast Check 1. Set input mode to 1440×900@60Hz Chroma Signal Generator 2.

  • Page 30: Chapter 6- Trouble Shooting

    Service Manual Chapter 6- TROUBLE SHOOTING Common Acknowledge If you change the M/B, be sure that the U103 and U108 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 (U108) 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 #2 of IF Change crystal X101 Board U105?
  • Page 32 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 Power (include IF +5Vand +3.3V) supply normal, key function OK,but backlight can’t be turned on Backlight cannot be turned on,is the Is the CN851 on-off control signal come from IF ok? inserted CN101 OK? Is the on-off control signal #55 of U105 high-low convertible when DC on/off Is the frequency 14.318MHz at #2 Is the...
  • Page 34 Service Manual 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? CN101#1, #2, signal at 28# of...

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

    Service Manual 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

    IC PM25LV020-100SCE SOIC8(PMC)RoHS 412000693060R IC TSUM1PER-LF-2 PQFP64(MSTAR) MSTAR U105 CVILUX 444099030040R CON, SMD 1.0MM 30PIN with lock RoHS CN103 P-TWO EXPRESS 491921500000R PCB,K/P ,2/ENIG/FR4 /08,LE17M6ROHS TOPFAITH EXPRESS 491921300100R PCB,I/F BOARD,E1709W ROHS TOPFAITH HUIHO 491911400100R PCB, P/I ,1/OSP /CEM1/16,LE17M6 RoHS TATCHUN...

  • Page 37: Attachment 1- Bill Of Material

    Service Manual ATTACHMENT 1- Bill of Material 1. Interface board BOM 20080710 ITEM Description Supplier Usage Location 792211300400R PCBA,I/F BOARD,W/O SPK,LE17M6-410 ROHS 629030022800R PROGRAM,W/O SPK,LE17M6-410 ROHS 792211320400R PCBA,I/F BOARD,W/O SPK,MI,LE17M6-410 ROH 792211340400R PCBA,I/F BOARD,W/O SPK,SMT,LE17M6-410 RO 511130001200R SOLDER BAR,Sn96.5/Ag3.0/Cu0.5/Ni0.06/Ge0 TOMAS, 0.56 20080710 ITEM...
  • Page 38 Service Manual 412000330020R IC LD1117AL-1.8V-A SOT223(UTC) RoHS UTC, U102, 412000330130R IC AP1117E18LA 1.8V (ANACHIP) SOT223-3L ANACHIP, 412000330550R IC AME1117ECGTZ 1.8V,SOT223(AM E)RoHS AME, 412000599990H IC EC50117BBG 1.8V SOT223(E-CMOS) E-CMOS, 412000693060R IC TSUM1PER-LF-2 LQFP64 (MSTAR) RoHS MSTAR, U105, 412000494310R IC PM25LV020-100SCE SOIC8(PMC)RoHS PMC, U108, 412000661620R IC MX25L2025MC-12G (MXIC)RoH...
  • Page 39 Service Manual 411020047210R DIO BAV70 85V SOT23 (PHILIPS) RoHS PHILIPS, D106, 411020047020R DIO BAV70-LF, 70V SOT-23(FEC) ROHS FRONTIER, 411020047090R DIO BAV70, 70V SOT-23(PEC) ROHS PANJIT, 419311020010R C SMD(0402) X7R 1000PF/50V K,RoHS DARFON,WALSIN,YAGEO, C175, 412000279480R IC AT24C04N-10SU-2.7 SOP8 4K(A TMEL)RoHS ATMEL, U106, 412000279280R IC M24C04-WMN6TP4K SOP8 (ST) RoHS 412000479990R IC CAT24C04WI-TE13 SOIC-8(CATALYST)RoHS...
  • Page 40 Service Manual 10 430631020090R A WFR 2 CIRCUIT/2P(8MM) R/A W/L ROHS FCN,CVILUX, 2 CN1,CN2, SKT AC 10A/250V 20 440149000400R A DLK,TECX, 1 CN850, U/C/V,CDJ-3(E4 )-BT3.6-0 HRN ASS'Y 8P 100mm UL1007#26AWG 30 430300802030R A FOXCONN,JVE,RISE, 1 CN851, LOCK 40 418115051520R A CAP CD NPO 15pF 3KV J,S7.5 RoHS JNC,SUCCESS(SEC), 1 C15,...
  • Page 41 Service Manual RES SMD (1206) 20K J,RT RoHS 50 414904020350R A TA-I,WALSIN,YAGEO, 2 R843,R842, 60 414916010410R A RES SMD (0603) 100K F,RT RoHS TA-I,WALSIN,YAGEO, 1 R846, RES SMD (0603) 20 F,RT,RoHS 70 414916200910R A TA-I,WALSIN,YAGEO, 1 R848, RES SMD (0603) 220 J,RT RoHS REV:A TA-I,WALSIN,YAGEO, 80 414916022150R A 1 R849,...
  • Page 42 Service Manual 220 430405000000R A JMPR ROLL/KG D=0.6mm,AT,RoHS 20MM HOTRON,YUANYE, 50 J5, 220 430405000000R A JMPR ROLL/KG D=0.6mm,AT,RoHS 20MM HOTRON,YUANYE, 230 430405000000R A JMPR ROLL/KG D=0.6mm,AT,RoHS 10MM HOTRON,YUANYE, 50 J6, 230 430405000000R A JMPR ROLL/KG D=0.6mm,AT,RoHS 10MM HOTRON,YUANYE, LABEL,BARCODE,BLANK,33x7mm, 240 506140005700R A HENGMINGDA,JIAYINMEI,KAIDA, ROHS,FOR PCB ITEM P/N...
  • Page 43 Service Manual RES SMD (0603) 1M F,RT RoHS 140 414916100410R A TA-I,UNIOHM,WALSIN,YAGEO, 2 R14,R13, 150 414916470210R A RES SMD (0603) 47K F,RT RoHS TA-I,UNIOHM,WALSIN,YAGEO, 1 R5, 160 414916100310R A RES SMD (0603) 100K F,RT RoHS TA-I,UNIOHM,WALSIN,YAGEO, 6 R16,R6,R2,R20,R21,R9, RES SMD (0603) 10K F,RT RoHS 170 414916100210R A TA-I,UNIOHM,WALSIN,YAGEO,...
  • Page 44 Service Manual 5. Assembly BOM 立...
  • Page 45 Service Manual 金 金 金 金 金 金 金...
  • Page 46 Service Manual...

  • Page 47: Attachment 2- Schematic

    R102 C112 R108 1u/16V R105 CCFL_ON/OFF R106 Q103 CCFL_ENABLE PMBT3904 C175 1000p/50V InnoLux Mstar TSUM1PER Document Number : SIZE : APPRO BY : DELL E1709W TITLE : CHECK BY : VGA-INPUT 2008-6-5 DATE : DRAWN BY : Rev : SHEET...
  • Page 48 WP_EDID 5 R134 VSY NC DDC_SCL_VGA 5 DDC_SDA_VGA 5 C131 C132 33p/50V/NC 33p/50V/NC InnoLux Mstar TSUM1PER Document Number : SIZE : APPRO BY : DELL E1709W TITLE : CHECK BY : VGA-INPUT 2008-6-5 DATE : DRAWN BY : Rev : SHEET...

  • Page 49: Led Amber

    10p/50V U106 R157 GPIO_P10/I2C_MCL R158 R139 GPIO_P11/I2C_MDA 10K/NC AT24C04N MODE WP_OSD R140 InnoLux Mstar TSUM1PER Document Number : SIZE : APPRO BY : DELL E1709W TITLE : CHECK BY : SCALER 2008-6-5 DATE : DRAWN BY : Rev : SHEET...
  • Page 50 ADC Key LED_B SELECT SELECT PLUS/MINUS PLUS PLUS/MINUS MENU MENU MINUS 1.06V To Keypad Board InnoLux E1709W Document Number : SIZE : APPRO BY : E1709W TITLE : CHECK BY : Keypad 2008-06-05 DATE : DRAWN BY : Rev : SHEET...
  • Page 51 R901 SW02 SW03 SW04 SW05 SW01 Amber Blue LED01 SELECT MINUS PLUS MENU POWER InnoLux E1709W Document Number : SIZE : APPRO BY : E1709W TITLE : CHECK BY : Keypad 2008-06-05 DATE : DRAWN BY : Rev : SHEET...
  • Page 52 Service Manual 2. Power board schematic...
  • Page 53 Service Manual PIN20 PIN19 PIN18 PIN17 PIN16 PIN15 PIN14 PIN13 PIN12 PIN11 PIN10 PIN9 PIN8 PIN7 PIN6 PIN5 PIN4 PIN3 PIN2 PIN1...
  • Page 54 Service Manual...
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  • Page 57 Service Manual Anode Cathode Snubber C431...

  • Page 58: Attachment 3- Pcb Layout

    Service Manual Attachment 3- PCB Layout power/inverter bd: Power/inverter bd: Top Layer...
  • Page 59 Service Manual Bottom Layer...
  • Page 60 Service Manual I/F board: Top Layer...
  • Page 61 Service Manual Bottom Layer...
  • Page 62 Service Manual Keypad: Top Layer Bottom Layer...

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