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Service Manual

4

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

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Содержание Daily Deal E1909W

Страница 1: ...Service Manual 0 Service Manual LCD Monitor E1909W ...

Страница 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 E1909 Service Manual ...

Страница 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 VGA CABLE 27 7 AFTER REPAIR TO ENSURE THE QUALITY YOU SHOULD DO THE FOLLOWING TEST AND ADJUSTMENT 27 CHAPTER 6 TR...

Страница 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...

Страница 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 ...

Страница 6: ...his monitor one is power inverter board which is a single layer board one is interface board one is 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 Fig 1 INVERTER POWER ...

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

Страница 8: ...d 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 converted to a voltage level and input to t...

Страница 9: ...oltage on VSEN pin1 During normal operation if a CCFL is damaged or removed the voltage at VSEN exceeds the user defined preset voltage set by OVPT pin15 the driver output duty cycle is regulated and the shutdown delay timer is activated OVPT sets the overall protection threshold voltage that is lower than3V VSEN threshold Once the voltage at TIMER pin reaches 3V the IC will shut down and latch OV...

Страница 10: ...hold 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 voltag...

Страница 11: ... then goes into IC U105 TSUM5PEHJ 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 TSUM5PEHJ 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 via ...

Страница 12: ...UM5PEHJ LF 2 128 127 U105 TSUM5PEHJ LF 2 108 is RESET signals input pin Please refer to U105 TSUM5PEHJ 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...

Страница 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...

Страница 14: ... 5 D SUB 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...

Страница 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...

Страница 16: ...Service Manual 15 8 Key Parts Pin Assignments U105 TSUM5PEHJ LF 2 ...

Страница 17: ...Service Manual 16 ...

Страница 18: ...Service Manual 17 ...

Страница 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 ...

Страница 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...

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

Страница 22: ...Service Manual 21 2 E1909W Disassembly Block Note 1 The arrows point out the direction of disassembly ...

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

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 29: ...Service Manual 28 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 ...

Страница 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...

Страница 31: ... 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 Cable...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 38: ...SCREW DZ11AA1 H CVILUX FOXCONN JOWLE 1 CN102 30 430631080180R A WFR 2X4P 2 0MM 180 W LOCK ROHS CVILUX FOXCONN 1 CN104 40 443842024060R B CON DVI D RA 24 1P FEM W O SCR EW QH1112 DLK FOXCONN ZJGHJ 1 CN201 50 432008010270R A XTAL 14 31818MHz HC 49US DIP 16pF 30PPM HUAN MOUN TXC ZGC 1 X101 ITEM P N Revision Description Supplier Usage Location 791711340800R PCBA I F BOARD W O SPK SMT LE19E6 812 RO 10 ...

Страница 39: ...WALSIN YAGEO 2 R101 R113 160 414916000050R A RES SMD 0603 0Ω J RT RoHS TA I WALSIN YAGEO 4 RB101 RB102 RB103 R164 170 414918010350R A RES SMD 0402 10KΩ J RT RoHS TA I WALSIN YAGEO 24 R102 R129 R140 R150 R151 R152 R166 R169 R171 R172 R174 R176 R177 R178 R179 R180 R190 R192 R213 R217 R103 R220 R184 R161 180 414918000050R A RES SMD 0402 0Ω J RT RoHS TA I WALSIN YAGEO 3 R121 R147 R148 190 414918047250...

Страница 40: ...30300801650R HRN ASS Y 8P 130mm UL1007 24 AWG ROHS FOXCONN HEIGHTEN JVE 1 PC CN853 40 420424710510R CAP SD 470uF 50V M 105 F 13x21 RoHS LELON SAMXON SU SCON TEAPO 2 PC C20 C863 50 418103051920R CAP CD NPO 3pF 3KV D S7 5 RoHS JNC SUCCESS SEC 4 PC C21 C22 C23 C24 50 418103058920R CAP CD SL 3pF 3KV D S7 5 RoHS JNC SUCCESS SEC 0 PC 60 418105051920R CAP CD NPO 5pF 3KV D S7 5 RoHS JNC SUCCESS SEC 2 PC C...

Страница 41: ...10R RES SMD 0805 95 3KΩ F RT RoHS TA I UNIOHM WALSIN YAGEO 1 PC R16 140 414908510210R RES SMD 0805 51KΩ F RT RoHS TA I UNIOHM WALSIN YAGEO 2 PC R8 R18 150 414908010550R RES SMD 0805 1MΩ J RT RoHS REV A TA I UNIOHM WALSIN YAGEO 2 PC R9 R10 160 414908100210R RES SMD 0805 10KΩ F RT RoHS REV A TA I UNIOHM WALSIN YAGEO 8 PC R12 R13 R21 R23 R860 R884 R886 R887 170 414908330310R RES SMD 0805 330KΩ F RT R...

Страница 42: ...25V U C AT ROHS WALTER 0 PC 70 491531400800R PCB P I 1 OSP CEM1 16 LE19E6 812 ROHS HSIANGKUO TATCHUN 1 PC 80 430405000000R JMPR ROLL KG D 0 6mm AT RoHS 7 5MM HOTRON YUANYE 550 MM J3 J5 J6 J7 J8 J10 J12 J9 J18 J15 J20 80 430405000000R JMPR ROLL KG D 0 6mm AT RoHS 7 5MM HOTRON YUANYE 0 MM 90 430405000000R JMPR ROLL KG D 0 6mm AT RoHS 10MM HOTRON YUANYE 100 MM J4 J13 90 430405000000R JMPR ROLL KG D 0...

Страница 43: ...er Usage Un 713100003600R ASSY PACKAGE PACK DAO LE19E6 10 506140005800R LABEL BARCODE LE1963 鍵升寶興 1 PC 20 506250021800R LABEL AGENCY LE19E6 HENGMINGDA 高綺 1 PC 30 506431005000R FILM SCREEN PROTECTION PRINTED LE19A2 柏興鴻旺 1 PC 40 506380001400R TAPE 3M 897 12x45000mm 久威矽威 0 00333 RO L 50 506280007500R POSTER QUICK SETUP WEST LE19E6 裕同鴻達 1 PC 60 703500004900R KIT ACCESSORY DOC DAO LE19E6 裕同鴻達 1 PC...

Страница 44: ...mmLE1X03 ROHS SISUN 0 00064 PC 60 506380002612R TAPE WRAPPING TYPE 50Mx82mm 佳普森 0 00037 RO L 2008031 7 ITEM Phant ite m P N Description Supplier Usage Un 713000096703R ASSY PACK AIR JAPAN CARGO 20STD LE19E6 10 506150010300R PALLET L1144xW1084xH120 LP1716 惠達實習工廠 0 PC 20 506037009200R CARDBOARD COVER L1143xW1076xH100xT3mm LE 佳藝美盈森 0 PC 30 506039008700R CORNER PAPER 900x50x50xT3mm LP1704 金惠 0 PC 40...

Страница 45: ...09016306200R SCREW I CROSS M3 6 Zn Cc 高億 2 PC 90 509146306202R SCREW P CROSS W WAS M3 6 Zn Cc 立侑高億 5 PC 100 509446309100R SCREW B CROSS W W SPK M3 9 Zn ROHS 高億鴻益進 1 PC 110 430303001680R HRN LVDS FFC 30P 160mm P TWO 1 PC 120 430300801920R HRN ASSY 2x4P to8P 345mm UL1571 28 V1909 FOXCONN HEIGHTEN JVE 1 PC 130 791711300800R PCBA I F BOARD W O SPK LE19E6 812 ROHS 1 PC 140 791711400800R PCBA P I BOAR...

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Страница 47: ...Service Manual 46 ...

Страница 48: ...Service Manual 47 ...

Страница 49: ...Service Manual 48 ...

Страница 50: ...Service Manual 49 inverter board schematic power board schematic ...

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