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Service Manual

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Wednesday , July 02, 2008

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4.0 Scalar

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V01

Reversion of History

1909Wf Schematic Diagram
LVDS Interface 2 Layers PCB.

7.0 keypad

5.0 DC input

SCHEMATIC

2

6.0 USB

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2.0 VGA input

1.0 contents

3.0 DVI input

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1909W

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Summary of Contents for 1909Wf

Page 1: ...Service Manual 0 Service Manual LCD Monitor 1909Wf SFF AIO ...

Page 2: ...ase 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 a electronic or machine readable form without prior written permission of Foxconn Tech Corp Ltd Dell 1909Wf SFFAIO Service Manual ...

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

Page 4: ...it gets wet unplug the power cable immediately and consult your closed dealer l 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 l 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: ...ht side back cover The system 2FFCLs block diagram as below fig 1 INL836 MOSFET Transformer Lamp1 Lamp2 AC Input 90V 264V AC Line Filter LD7575 PWM Control Rectifier Filter Circuit Power Transformer Feedback and OVP Photocoupler 16V DC output 5V DC output Brightness Control ON OFF Control Feedback Control To IF Board Power MOSFET Regulator DC to DC 12 5V to 12V Speaker out To Panel CCFL Snubber Sc...

Page 7: ...Vcc control AP1117E33 2 port USB Device USB out 5V 24C16 Connector 1 8V USB2 0 compatible 4port Hub ON OFF Control 5V DVI Connector 3 3V VGA Connector 3 3V Panel Interface XTAL 5V USB out 5V 2port USB Device USB VCC 24C02 USB Vcc Control AP1117E33A power detect 14 318MHz LVDS Data Connector XTAL USB Data Audio det USB Detect LM1117M 1 8 24C02 Audio on off Panel Vcc on off LM1117M 3 3 Fig 1 ...

Page 8: ...l through R3 and C3 is on Pin 7 DIM which adjusted will can change the brightness of Panel The striking and operating frequency is determined by the external resistor R4 connected to Pin 2 RT DRV1 and DRV2 of U1 are used to drive Q3 DRV1 and DRV2 are controlled by build in PWM IC Q3 is switches which has two build in IGBTs The working principle of circuit of T1 Q3 is the same to circuit of T850 an...

Page 9: ... to Pin8 of U1 ISEN Lamp Current Detection Control The CCFL current is detected through R14 and reaches a regulated value The CCFL current detected at resistor R14 is converted to a voltage level and input to the ISEN pin Once the voltage at the ISEN pin reaches the lamp on threshold the IC switches from the striking mode to the normal operation mode and the PWM dimming control is activated C6 is ...

Page 10: ...s the IC will shutdown To restart the IC either toggle the SST_CMP pin or recycle the power on the VDDA pin The over voltage protection feature is implemented by using an extermal capacitor devider C13 C14 C17 C18 sense the output voltage The divide down voltage signal is sent to the emitter of Q2 and controls the voltage level of SST_CMP thus regulating the output voltage 2 2 Power PWM circuit 2 ...

Page 11: ...tor to protect the following circuit when inrush current is too large U850 is a current mode PWM controller with excellent power saving opration It features a high voltage current source to directly supply the startup current from bulk capacitor and further to provide lossless startup circuit Max start up current for U850 is 100 uA When current flow from the bulk capacitor C854 through R843 and R8...

Page 12: ...0 85V then the Q850 current can be calculated as I peak 0 85V R869 When the sense voltage across the sense resistor R869 reaches the threshold voltage over 0 85V the output GATE drive will be turned off R849 and C846 is used to avoid the Isen pin damaged by the negative turn on spike The voltage feedback signal is provided from the TL431 I851 through the I850 to the COMP pin When the voltage on CO...

Page 13: ... to store energy when current is reversed The parts including C881and C882 are used to smooth the current waves that are from D880 and D881 then DC12 5V voltage is supplied D856 is a SCHTKY diode used to rectify the inducted current C866 and R866 are used to store energy when current is reversed The components including C874 C864 L851 C875 and C876 are used to smooth the current waves then DC 5V v...

Page 14: ...d by ZD104 Zener passes through R115 and then goes into IC U105 TSUM5PEHJ LF 32 CN102 5 is defined as cable detect pin the detect pin can create a pull low signal send to U105 36pin via R160 to identity cable connection if plug out the VGA cable the U105 36pin will receive a high signal and system enter self test mode when exit factory mode the device must set at VGA input mode U103 is an EEPROM I...

Page 15: ...through CN104 1and R153 U105 50 is defined as Menu Button SELECT on right corner of front bezel connects to U105 TSUM5PEHJ LF 122 through CN104 4 U105 122 is defined as SELECT LED Indicator on Front Bezel a When press button power U105 TSUM5PEHJ LF 123 be send in low Voltage make Q107 3 sends out high Voltage to CN104 5 and then to keypad LED blue on b When in Suspend mode U105 TSUM5PEHJ LF 124 se...

Page 16: ...s 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 When pull out power cord from AC socket the system shut down instantly for no supply Software power On Off When press power key U105 4 receives low pulse then U105 TSUM5PEHJ LF will be wake up and send c...

Page 17: ... 0 50 NA 1000 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 interface board to Panel Pin Symbol Description 1 Panel_Vcc Panel power supply typ 5 0V Pin Symbol Pin Symbol Pin Symbol 1 Red 6 Red_GND 11 GND 2 Green 7 Green_GND 12 DDC_SDA 3 Blue 8 Blue_GND 13 Hsync 4 GND 9 PC 5V 14 Vsync 5 Ca...

Page 18: ...LVDS signal of odd channel 3 22 RXOC LVDS signal of even channel clock 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 Connect to Panel Backligh...

Page 19: ...Service Manual 18 8 Key Parts Pin Assignments 8 1 U105 TSUM5PEHJ LF ...

Page 20: ...Service Manual 19 ...

Page 21: ...Service Manual 20 ...

Page 22: ... enabled by a high to low transition on CE CE must remain low for the duration of any command sequence 2 SO I O To transfer commands addresses or data serially into the device 3 WP I O The write protect WP pin is used to enable disable BPL bit in the status register 4 VSS G Connect ground ...

Page 23: ...ock 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 O To temporarily stop serial communication with SPI flash memory without resetting the device 8 VDD P To provide power supply ...

Page 24: ...ut to drive the external MOSFET 6 VCC I Power supply 7 NC Unconnected pin 8 HV I PWM output 8 4 U1 INL836 CCFL Inverter controller IC Pin Symbol I O Description 1 SST_CMP I Enable soft start time and compensation of current error amplifier 2 RT I Timing capacitor to set operating frequency 3 GNDA Ground 4 DRV2 O N MOSFET Driver output 5 DRV1 O N MOSFET Driver output 6 VDDA I Supply voltage input 7...

Page 25: ...si gnat i on N O R em ar k N O D esi gnat i on I dent i f i cat i on N O Q t R em ar k 501020224100R 714050018200R 501020224101R 501020224110R 701000010700R 504010000300R 502040500000R 502090313100R 502020306000R 502020306010R 1 505040209701R 2 1 1 M YLAR FO R PAN EL LP1931 PC BA I F BO AR D W O SPK LP1918 812 PC BA U SB_BO AR D 1 501110100110R D el l l ogo KW 265 LE19E6 1 M YLAR FO R C H ASSI S L...

Page 26: ... 1 fix pla te 2 1 cha s s is 1 Myla rcha s s is 1 I Fboa rd 1 powe rboa rd 1 pa ne l 1 Myla rpa ne l 1 T A P EA C E 85x20m mLE 1913 1 light cove r 2 usbboa rd 1 us bcove r 1 C HAS S ISAS S Y 1 S TANDAS S Y 1 ke ns ingtonlock 1 ba ckcove r 1 front be ze l 1 FR O NTBEZELAS S Y 1 FINALAS S Y 1 P cross T T 3 4 Zn 1 shieldEMI LP2207 4 clipEMI gnd 3 LP1702 2 Rubbe rFoot 210 3ForC m o scre w f cros s T 2...

Page 27: ... fix plate2 1 chassis 1 Mylar chassis 1 I Fboard 1 power board 1 panel 1 Mylar panel 1 TA P E A C E 85x20m mLE 1913 1 light cover 2 usbboard 1 usbcover 1 CHASSISASSY 1 STANDASSY 1 kensingtonlock 1 back cover 1 front bezel 1 FRONT BEZEL ASSY 1 FINALASSY 1 P cross T T 3 4 Zn 1 shield EMI LP2207 4 clip EMI gnd 3 LP1702 2 Rubber Foot 210 3For Cmo screw f cross T 2 3 BLK 4 M I D FR A M E 1 R E A R LO G...

Page 28: ...alue B When MENU OSD un displays press Ù to adjust Brightness and Contrast And press Ú to enter Auto adjustment progress ü Input state select or enter the OSD sub menu when OSD displays POWER Power on or off the monitor 3 Hot Key Operation FUNCTION HOT KEY OPERATION DESCRIPTION MENU Ù Ú ENTER POWER FACTORY MODE ON Press Ù MENU at the same time and then press POWER for DC power on Press the key to ...

Page 29: ...dard Multimedia Game Warm Cool Custom R G B Hue 50 Saturation 50 Demo Mode Enable Disable Reset Color Settings Display Settings Wide Mode Fill Yes Yes 4 3 Horizontal Position 50 Yes No Vertical Position 50 Yes No Sharpness 50 Yes Yes Pixel Clock 50 Yes No Phase Yes No Reset Display Settings Yes Yes Other Settings Language English Yes Yes Espanol Francais Deutsch Portugues Brasil 简体中文日本語 Menu Tran...

Page 30: ...hown on the top of the message After disabling the sync output for VGA DVI DPMS message should show as below for 3s MESSAGE Entering Power save Mode Press the Ú or Ù key and the DPMS message should show as below MESSAGE There is no sigal coming from you computer Press any key on the keyboard or mouse to wake it or press the Input button on your display to switch to another source Factory Mode Intr...

Page 31: ...able or disable the Burn in mode by choosing ON or OFF Reset Time Reset the Turn on time of the panel to 0H0M 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 U105 Dell panel P N LCD supplier Panel Supplier P N Dell P N Samsung 19W LTM190BT0...

Page 32: ...uto Color at standard video pattern 5 MOSAIC pattern 5 2 Please confirm the following steps to perform Auto Color Balance Connect the VGA cable with the standard video pattern generator and display 5 MOSAIC pattern on the monitor press Power button on right corner of front bezel to turn off the monitor Press Menu and Ù Plus buttons together and then press Power button to turn on the monitor After ...

Page 33: ...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 34: ... amber at power 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 thi...

Page 35: ...lease use the crosshatch pattern l 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 l If brightness uneven repairs Inverter circuit or change a new panel l If you find the vertical line or horizontal line lost on the screen please change panel l If the self test pattern is moving on the screen please ch...

Page 36: ...rmal when power AC on NO Change U105 Yes Change U108 NO Is the keypad cable connective OK Reassembly or changing Yes Is the LED control signal at 123 of U105high 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 VGA p...

Page 37: ...Amber Do the Hsync Vsync Signals exist in CN102 13 14 separately when select VGA mode by OSD Do the Hsync Vsync Signals exist in R136 R136 Do the Hsync Vsync Signals exist in U105 32 33 Change U105 END Insert VGA Cable correctly Check R135 R136 Check R133 R134 NO NO NO YES YES YES YES END ...

Page 38: ...s the on off control signal come from IF ok Is the CN851 inserted CN101 OK NO Yes Is the on off control signal 109 of U105 high low convertible when DC on off NO Yes Is the voltage 16V at T1 PIN4 Check T850 or F850 NO Yes Yes Check U1 pin6 Voltage is 5V Yes Check U1 pin1 Voltage is lower Check Q3 NO YES Check T1 pin7 and pin10 Open or Short Change T1 Yes ...

Page 39: ...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 Check VGA input circuit D105 D1 D103 R114 R115 R1 C113 C114 C115 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 cabl No Is display selftest picture at VGA mode or DVI mode DVI Is there DVI...

Page 40: ...0090600R IFK5007HL XFMR SW DIP EEL19 SPW 060 RoHS High transform for CCF DARFON TK 2034 M 101 FOXCONN 2MVLA1905 007A HUALON TLT 2008 5 Safety Power Transformer T850 FRONTIER 426000091220R SRH2801 26 LFR XFMR SW ERL28 TP4 550uH SPW 122 ROHS Transfer AC220V to DC16V FOXCONN 2MWWA2834 009A LI SHIN PFK8019EL MEIKAI BCK 2838 6 Safety Aluminium Electrolytic CAP C854 SAMXON 420271014581R ERT107M2WL40PB P...

Page 41: ...r U102 E CMOS 412000599990H EC50117BBG 1 8V IC EC50117BBG 1 8V SOT223 E CMOS DC to D convert UTC 412000330020R LD1117AL 1 8V A IC LD1117AL 1 8V A SOT223 UTC A1 SEMI 412000330830R AS1117L 1 8 TR IC AS1117L 1 8 TR LF SOT223 A1 BCD 412000330070R AZ1117H 1 8 IC AZ1117H 1 8 SOT223 AAC RoHS 12 Function IC U302 SMSC 412000668390R USB2514 IC USB2514 AEZG 36QFN SMSC USB HU 14 Function Serial Flash U108 SST...

Page 42: ...O 220F 4L Fairchild ROH FAIRCHILD 1 PC U880 20 509146306200R SCREW P CROSS W WAS M3 6 Zn Cc GAOYI LIQUAN YIJIE 1 PC 30 507300003300R HEATSINK L LE1713 1913 DMC ORIENTAL POWER 1 PC ITEM P N Description Supplier Usage Un Location 735110008810R ASSY H S SRF10 10CT LF LP1931 ROHS 10 411090009020R SCHTKY SRF10 10CT LF 100V 10A TO 220AB F FRONTIER 1 PC D856 10 411090028090R SCHTKY SB10100FCT 100V 10A IT...

Page 43: ...CHILISIN DARFON FOXCONN FRONTIER TDK 1 PC L852 170 411050012010R DIO BRDG GBU405 600V 4A TSC RoHS TSC 1 PC D850 170 411050012020R DIO BRDG GBU4 06 BF52 600V 4A FEC RoHS FRONTIER 0 PC 170 411050008040R DIO BRDG GBU8J 600V 8A MOSPEC RoHS MOSPEC 0 PC 170 411050008460R DIO BRDG GBU806 600V 8A SECOS RoHS SECOS 0 PC 170 411050010020R DIO BRDG GBU8 06 BF52 LF 600V 8A FEC RoH FRONTIER 0 PC 180 41103006802...

Page 44: ...oHS DARFON TDK WALSIN YAGEO 1 PC C859 100 419311520070R C SMD 0805 X7R 1500PF 50V K RoHS DARFON TDK WALSIN YAGEO 1 PC C3 110 414908033050R RES SMD 0805 33Ω J RT RoHS TA I UNIOHM WALSIN YAGEO 2 PC R6 R7 130 414908105310R RES SMD 0805 105KΩ F RT RoHS TA I UNIOHM WALSIN YAGEO 1 PC R4 140 414904270210R RES SMD 1206 27kΩ F RT ROHS TA I UNIOHM WALSIN YAGEO 3 PC R870 R871 R872 150 414908100310R RES SMD 0...

Page 45: ... U1 340 791861410800R PCBA P I BOARD W O SPK AI LP1931 812 ROH 1 PC 350 414904010050R RES SMD 1206 10Ω J RT RoHS TA I UNIOHM WALSIN YAGEO 1 PC R867 360 419311053070R C SMD 0805 X7R 1UF 25V K ROHS REV A DARFON TDK WALSIN YAGEO 1 PC C21 ITEM P N Description Supplier Usage Un Location 791861410800R PCBA P I BOARD W O SPK AI LP1931 812 ROH 10 791861450800R PCBA P I BOARD W O SPK AI A LP1931 812 R 1 PC...

Page 46: ...0 2A AT PHIL RoHS PHILIPS 1 PC D1 150 411020048090R DIO 1N4148 35 75V 0 15A DO35 P EC RoHS PANJIT 0 PC 150 411022003020R DIO 1N4148 LF 75V 0 15A AT FEC RoHS FRONTIER 0 PC ITEM P N Description Supplier Usage Un Location 791861460800R PCBA P I BOARD W O SPK AI R LP1931 812 R 10 420221000530R CAP HG 10uF 50V M 105 VT 5x11 RoHS SAMXON SU SCON 1 PC C878 20 420424710360R CAP SD 470UF 35V M 105 ST 10X20 ...

Page 47: ... 105 S 6 3X11 ROHS LELON SAMXON SU SCON 1 PC C101 110 420421010420R CAP SD 100uF 16V M 105 S 5x11 RoHS LELON SAMXON SU SCON 2 PC C109 C 120 420424700420R CAP SD 47uF 16V M 105 S 5x11 RoHS LELON SAMXON SU SCON 5 PC C103 C 130 420424790420R CAP SD 4 7uF 16V M 105 S 5x1 1 RoHS LELON SAMXON SU SCON 4 PC C312 C 140 430300802150R HRN ASSY 8P 85mm UL1430 26 FOXCONN HEIGHTEN JVE 1 PC CN303 150 42022101042...

Page 48: ...A 40V SOT23 ON ON SEMI 0 PC 130 410500045090R XSTR MMBT3904 NPN SOT 23 PANJIT RoHS PANJIT 0 PC 140 410500046210R XSTR PMBT3906 PNP 200MA 40V SOT23 PHILIP PHILIPS 2 PC Q107 140 410500046090R XSTR MMBT3906 PNP SOT 23 PANJIT RoHS PANJIT 0 PC 140 410500046180R XSTR MMBT3906LT1G PNP 200mA 40V SOT23 ON ON SEMI 0 PC 150 414904000050R RES SMD 1206 0Ω J RT RoHS REV A TA I UNIOHM WALSIN YAGEO 1 PC R101 160 ...

Page 49: ...R IC M24C16 WMN6TP SO8 16K ST ROHS ST 0 PC 340 412000481990R IC CAT24C16WI TE13 SOIC 8 CATALYST RoHS CATALYST 0 PC 350 412000494190R IC SST25LF020A 33 4C SAE SOIC8 SST ROHS SST 1 PC U108 350 412000661620R IC MX25L2025MC 12G MXIC RoH MXIC 0 PC 350 412000494310R IC PM25LV020 100SCE SOIC8 PMC RoHS PMC 0 PC 360 411130962950R ZENER 6 2V MMSZ5234B SOD 123 PANJIT RoH PANJIT 10 PC ZD102 ZD106 ZD107 360 41...

Page 50: ...861540000R PCBA KEY BOARD W O SPK SMT LP1931 ROHS 10 411070093500R LED SMD YB KPTB 1612FX151 SZ Kingbright KINGBRIGHT 1 PC 10 411070094500R LED SMD YB HTL 19 22UYUBC TR8 HongTong R HONGTONG 0 PC 20 491661500000H PCB K P 2 ENIG FR4 08 LP1931 HF EXPRESS HSIANGKUO 1 PC 4 USB convert board BOM ITEM P N Description Supplier Usage Un 791860300000R PCBA CONVERT B USB W O SPK LP1931 ROHS 10 430631080210R ...

Page 51: ...NT BEZEL LP1931 2 70 A 714050018200R ASSY BACK COVER LP1931 2 80 A 714080M85000R ASSY PANEL W O SPK LP1948 812 DAO 1909W 1 713100011100R ASSY PACKAGE PACK DAO LP1948 2 10 A 506140006500R LABEL BARCODE LP2236 2 20 A 506250024301R LABEL AGENCY TCO 03 LP1931 2 30 A 506431006900R FILM SCREEN PROTECTION PRINTED LE19D5 2 40 A 506380001400R TAPE 3M 897 12x45000mm 2 50 A 506280009201R POSTER QUICK SETUP W...

Page 52: ...LP1931 3 50 A 501030210220R release button LE19E6 3 60 A 509012305000R SCREW I CROSS T T 3 5 ZN Cc 3 70 A 750030200000R SUB ASSY BACK COVER printing LP1931 2 714080M85000R ASSY PANEL W O SPK LP1948 812 DAO 1909W 3 10 A 631102091800RD LCP 19 LTM190BT03 C01 A SAMSUNG ROHS 3 10 A 631102091810RD LCP 19 LTM190BT03 C02 A SAMSUNG ROHS 3 20 AA 791861400800R PCBA P I BOARD W O SPK LP1931 812 ROHS 3 30 AA 7...

Page 53: ...ACK 40HQ LP1948 3 10 A 506432003000R SLIP SHEET L1144xW1084 LP1716 3 20 A 506037011301R CARDBOARD COVER L1066xW972xH100xT3mm LP1 3 30 A 506039007210R CORNER PAPER 1200x50x50xT3mm LE1718 3 40 A 506431000300R FILM PE 500mmx900M ROHS 3 50 A 506380002612R TAPE WRAPPING TYPE 50Mx82mm 2 713000044304R ASSY PACK AIR CARGO 20STD LP1948 3 10 A 506150001311R PALLET 1120x980x120mm LE1961 3 20 A 506037011301R ...

Page 54: ...1931 3 750030200000R SUB ASSY BACK COVER printing LP1931 4 10 A 501020224101R BACK COVER LP1931 3 701000010700R ASSY CHASSIS FOR LP1931 4 10 A 502090313100R CHASSIS FOR LP1931 4 20 A 502020306000R fix plate left LE19E6 4 30 A 502020306010R fix plate right LE19E6 4 40 A 502040500000R slide LE19E6 4 50 A 504010000300R SPRING Φ0 5 D5 H17 4 60 A 509112304100R SCREW BTP3x4C3UC ROHS 4 70 A 502040400600R...

Page 55: ... July 02 2008 Title Size Document Number Date Sheet of 4 0 Scalar initial 8 sheet 7 V01 Reversion of History 1909Wf Schematic Diagram LVDS Interface 2 Layers PCB 7 0 keypad 5 0 DC input SCHEMATIC 2 6 0 USB 4 2 0 VGA input 1 0 contents 3 0 DVI input 3 5 6 1909W 1 ...

Page 56: ...U LED_B_EN SOG ADC_KEY2 HPD_CTRL BRIGHTNESS RED VSYNC Rx0 PANEL_ENABLE DDC_SDA_DVI BLUE RX2 DDC_SCL_DVI RXC BLUE WP_EDID RX0 HSYNC RXC RX1 GREEN USB_DET USB_EN RX1 RED CCFL_ENABLE RX2 LED_A_EN VLCD SELECT Audio_det 1 8V 7 0 key pad 7 0 key pad MENU ADC_KEY1 ADC_KEY2 LED_B_EN POWER LED_A_EN SELECT 2 0 VGA input 2 0 VGA input GREEN DDC_SCL_VGA BLUE HSYNC VSYNC VGA_DET DDC_SDA_VGA SOG GREEN RED RED W...

Page 57: ...ut A4 Friday August 01 2008 Title Size Document Number Date Sheet ZD105 6V2 R130 1K C119 0 047u 16V C113 0 047u 16V Note 1 R116 75 1 C117 NC VCC5V FB101 120Ω RB102 0 R0603 Note 2 C130 27p 50V VGA_DET C114 0 047u 16V GND C121 0 047u 16V C125 0 1 16V R122 75 1 R132 100 R124 75 1 VGA5V R115 75 1 C122 0 1 16V C123 0 1 16V Note 1 D105 BAV99 1 3 2 DDC_SCL_VGA R133 1K GND VGA_SDA D102 BAV99 1 3 2 G R136 ...

Page 58: ... BAV99 1 3 2 DVI_SDA ZD201 6V2 DDC_SDA_DVI 5 RX2 5 DVI5V DVI_RXC ZD203 6V2 R208 10 D203 BAV99 1 3 2 DVI_RX1 RXC 5 D207 BAV99 1 3 2 DVI_RX0 C208 0 1 16V D209 BAV99 1 3 2 D210 BAV99 1 3 2 HPD_DVI R203 10 C201 0 1 16V ZD202 6V2 HPD_CTRL 5 C205 0 1 16V R209 100 D206 BAV99 1 3 2 R211 4K7 Q201 PMBT3904 1 3 2 DVI_RX0 C213 0 1 16V D208 BAV99 1 3 2 C209 0 1 16V CN201 DVI D_CON 1 2 3 4 5 6 7 8 9 10 11 12 13...

Page 59: ... 2 113 56 55 57 61 64 70 67 21 106 105 47 46 48 50 49 45 68 69 63 62 60 65 66 71 125 54 58 RIN0P GIN0P SOGIN0 BIN0P RIN0M GIN0M BIN0M HSYNC0 VSYNC0 REXT REFP REFM SDO SCK CSZ SDI GPIO_P24 PWM2 LVACKM XIN XOUT LVA2P LVA2M LVA1P LVA1M LVA0P LVA0M LVB3P LVB3M LVBCKP LVBCKM LVB2P LVB2M LVB1P LVB1M LVB0P LVB0M LVACKP LVA3M LVA3P GND GND RX2P RX2N RX1P RX1N AVDD_33 RX0P RX0N RXCKP RXCKN GND GND GND VDDC...

Page 60: ...To Pow er Inverter Board C102 100u 16V R112 NC R0603 Off Q102 NC 1 3 2 Note 2 GND Component Mount 3 3V C107 0 1 16V NC C111 0 1 16V Height PANEL_ENABLE 5 U101 AP1084K33LA 3 1 2 4 VIN ADJ VOUT PAD GND VCC5V R103 10K R104 Low Enable R107 27K CN101 10P 2 0mm CON JWT A2008WR10P 1 2 3 4 5 6 7 8 9 10 CCFL_ENABLE 5 GND R104 0 NC 1 8V High Enable GND U102 LD1117AL 1 8V 3 1 2 4 VIN ADJ VOUT PAD 3 3V On Aud...

Page 61: ...R305 10K R321 27K DD2M OVR_P4 R306 27K DD3M DD3P Heigh S DD4P R304 100K C304 0 1 16V S FS311 6V 0 75A R315 15K Q301 AP2305GN 1 3 2 OVR_P2 FB305 COMM CHOCK 1 2 4 3 VCC5V 3P S DD3M FB311 EP304 5P35V NC S S C307 47u 16V C314 0 1 16V 5V_USB USB_EN FB304 COMM CHOCK 1 2 4 3 Q303 PMBT3904 1 3 2 DD1M S 3M PWR1 DM USB_DET PWR4 DD4P EP306 5P35V NC 1 2 3 4 P301 UC11123 LK1 1 2 3 4 5 6 FS312 6V 0 75A PWR4 PWR...

Page 62: ...MBT3906 3 1 2 ADC_KEY2 VCC5V R166 10K GND C172 0 1 16V R177 10K LED_A R165 330 R0603 C169 0 1 16V LED_B C168 0 1 16V R176 10K C170 0 1 16V 3 MENU KEY C167 0 1 16V MINUS PLUS POWER 2 R168 330 R0603 4 LED_A 8 LED_BLUE 1 POWER Doc V01 Keypad A4 8 8 Wednesday July 02 2008 Title Size Document Number Rev Date Sheet of ADC_KEY1 7 SELECT_KEY MENU LED_AMBER To Keypad Board E 1909W proto3 dell 1909w qual if...

Page 63: ...ent A3 Monday August 25 2008 FOXCONN Title Size Document Number Date Reversion of History Dell 1909Wf AIO Power Inverter Schematic Diagram REV1 SCHEMATIC 1 SHEET 2 3 1 1 Contents SEC CMO PANEL 1 2 Inverter board INL836 1 3 Power board LD7575 REV2 MP ...

Page 64: ...1 INL836 8 7 6 2 3 1 5 4 ISEN DIM VDDA RT GNDA SST_CMP DRV1 DRV2 R7 33R C8 470uF 35V C18 2700pF 50V X7R Q4 RK7002 1 3 2 ZD2 BAV99 2 3 1 ZD3 BAV99 2 3 1 C14 3pF 3KV C19 NC 15pF 3KV R1 open Q3 AP9971GD 1 2 3 4 6 7 8 5 S1 G1 S2 G2 D2 D1 D1 D2 R10 100k T1 DIP EEL19 SPW 060 1 6 4 3 10 7 Q5 RK7002 1 3 2 R2 10R C7 0 1 50V C4 0 1uF 16V R4 105K C11 1nF 50V NC C12 1nF 50V NC Q1 RK7002 1 3 2 Q2 2N3904 E B C ...

Page 65: ...50V R853 0 2R C875 470u 25V R841 62K D841 IN4148 C859 0 22 50V C878 10u 50V C854 100u 450V C891 3300p 250V C865 0 1 50V T851 SPW xxxR 5 8 6 7 3 1 12 11 9 10 4 1 3 2 R855 10K T850 SPW 122 5 8 6 7 3 1 12 11 9 10 R850 499K R842 20K R851 499K R866 10 2W T852 NC CHK 070 4 3 1 2 C866 330p 500V C864 680u 25V Q850 AP2761 2 1 3 I851 TL431 3 1 2 L851 CHK 069 L852 CHK 053 NC C861 330p 500V R852 499K C883 NC ...

Page 66: ...Service Manual 65 Attachment 3 PCB Layout power inverter bd power inverter board Top Layer ...

Page 67: ...Service Manual 66 Bottom Layer ...

Page 68: ...Service Manual 67 ...

Page 69: ...Service Manual 68 I F board Top Layer Bottom Layer ...

Page 70: ...Service Manual 69 Keypad USB convert board ...

Page 71: ...Service Manual 70 ...

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