Dell E1909Wc Service Manual

19" lcd color monitor

Advertisement

19" LCD Color Monitor
Service
Service
Service
Description
Table Of Contents..........................................................1
Revision List..................................................................2
ECN History..................................................................3
Important Safety Notice................................................4
1.Monitor Specifications.................................................5
2.LCD Monitor Description........................................6
3.Operation Instructions...............................................7
3.1.Control Buttons..................................................7
3.2 Adjusting the Picture..........................................9
4.Input/Output Specification.......................................17
4.1.Input Signal Connector.........................................17
4.2.Factory Preset Display Modes.................................18
4.3.Power Supply Requirements...................................18
4.4.Panel Specification............................................19
4.5 Incoming inspection standard...................................21
5. Block Diagram...................................................25
5.1.Software Flow Chart........................................25
5.2.Electrical Block Diagram....................................27
ANY PERSON ATTEMPTING TO SERVICE THIS CHASSIS MUST FAMILIARIZE HIMSELF WITH THE
CHASSIS AND BE AWARE OF THE NECESSARY SAFETY PRECAUTIONS TO BE USED WHEN SERVICING
ELECTRONIC EQUIPMENT CONTAINING HIGH VOLTAGES.
CAUTION: USE A SEPARATE ISOLATION TRANSFOMER FOR THIS UNIT WHEN SERVICING

Table Of Contents

Page
Description
6.Mechanical Instruction...........................................29
7.Schematic Diagram...................................................34
7.1Main Board.....................................................34
7.2 Power Board.........................................................38
7.3 Key Board.......................................................40
8.PCB Layout..............................................................41
8.1.Main Board............................................................41
8.2.Power Board.......................................................43
8.3.Key Board..........................................................44
9.Maintainability...................................................45
9.1.Equipments and Tools Requirement.......................45
9.2.Trouble Shooting..................................................45
11.ISP Instruction.......................................................53
12.Monitor Exploded View........................................57
13.BOM List.................................................................59
14.Different Parts List.............................................71
SAFETY NOTICE
1
Dell E1909Wc
Horizontal Frequency
30 kHz to 83 kHz
Page

Advertisement

Table of Contents
loading

Summary of Contents for Dell E1909Wc

  • Page 1: Table Of Contents

    19" LCD Color Monitor Dell E1909Wc Service Service Service Horizontal Frequency 30 kHz to 83 kHz Table Of Contents Description Page Description Page Table Of Contents..……....……...…..1 6.Mechanical Instruction………………..……..…..…..29 Revision List.…......………....……..2 7.Schematic Diagram………........…..34 ECN History.….......………....……..3 7.1Main Board..………........34 Important Safety Notice.….……….…....……..4 7.2 Power Board……..…….……........38 1.Monitor Specifications..…......………..5...
  • Page 2: Revision List

    19" LCD Color Monitor Dell E1909Wc Revision List Revision Release Date Revise history TPV model T9RAMAHKX5DFHN Initial Release Jun.-16-2008 T9RMMAHKX5DFHN T9RSMAHKX5DFHN T9RSMAHKX5DFHC Aug.-12-2008 Add TPV Model in item 14 T9RMMAHKX5DFHC T9RAMAHKX5DFHC...
  • Page 3: Ecn History

    19" LCD Color Monitor Dell E1909Wc ECN History ECN No. Change Description Service Deposition Cut-in date...
  • Page 4: Important Safety Notice

    19" LCD Color Monitor Dell E1909Wc Important Safety Notice Proper service and repair is important to the safe, reliable operation of all AOC Company Equipment. The service procedures recommended by AOC and described in this service manual are effective methods of performing service operations.
  • Page 5: Monitor Specifications

    19" LCD Color Monitor Dell E1909Wc 1. Monitor Specifications Screen type Active matrix - TFT LCD Panel Type M190PW01 V00A SZ AUO 19 inches (19-inch viewable image size) Size LCD Panel 0.283mm (H) x 0.283mm(V) Pixel pitch 160° (vertical) typ, 160° (horizontal) typ...
  • Page 6: Lcd Monitor Description

    19" LCD Color Monitor Dell E1909Wc 2. LCD Monitor Description The LCD monitor will contain a main board, power board, and a key board which house the flat panel control logic, brightness control logic and DDC. The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips each voltage.
  • Page 7: Operation Instructions

    19" LCD Color Monitor Dell E1909Wc 3. Operation instructions Control Buttons Use the buttons on the front of the monitor to adjust the image settings. Front panel Button Description Use the MENU button to launch the on-screen display (OSD) and select the OSD Menu.
  • Page 8 19" LCD Color Monitor Dell E1909Wc • DVI-D input < to image the for seconds 2 or 1 take may It source. input selected currently indicate messages following see will you inputs through cycle> If either VGA or DVI-D input is selected and both VGA and DVI-D cables are not connected, a floating dialog box as shown below appears.
  • Page 9: Adjusting The Picture

    19" LCD Color Monitor Dell E1909Wc 3.2 Adjusting the Picture 1.Push the MENU button to launch the OSD menu and display the main menu. Main Menu for Analog (VGA) Input Main Menu for Digital (DVI-D) Input 2.Push the buttons to move between the setting options. As you move from one icon to another, the option name is highlighted.
  • Page 10 19" LCD Color Monitor Dell E1909Wc Icon Menu and Description Submenus Brightness Use this menu to activate Brightness/Contrast adjustment. & Contrast Brightness adjusts the luminance of the backlight. Brightness Push the button to increase brightness and push the button to decrease brightness (min 0 ~ max 100).
  • Page 11 19" LCD Color Monitor Dell E1909Wc Select VGA input when you are using the analog (VGA) connector. Push to select the VGA input source. Select DVI-D input when you are using the Digital (DVI) connector. Push DVI-D to select the DVI input source.
  • Page 12 19" LCD Color Monitor Dell E1909Wc Preset Modes When you select Graphics, you can choose Standard, Multimedia, Game, Warm, Cool, or Custom (R,G,B); • If you view media application like photo, clip etc via PC, choose "Multimedia" preset; • If you play a game in PC, choose "Gaming" preset;...
  • Page 13 19" LCD Color Monitor Dell E1909Wc This feature can shift color of video image to green or purple. This is used to adjust the desired flesh tone color. Use to adjust the hue from '0' to '100' . Push to increase the green shade of the video image...
  • Page 14 19" LCD Color Monitor Dell E1909Wc Horizontal Position Use the buttons to adjust image left and right. Minimum is '0' (-). Maximum is '100' (+). Vertical Position Use the buttons to adjust image up and down. Minimum is '0' (-). Maximum is '100' (+).
  • Page 15 19" LCD Color Monitor Dell E1909Wc Language Language option to set the OSD display to one of seven languages (English, Espanol, Francais, Deutsch, Portugues,Simplified chinese or Japanese). Menu Transp Select this option to change the menu transparency by pressing arency (Minimum: 0 ~ Maximum: 100).
  • Page 16 19" LCD Color Monitor Dell E1909Wc Helps reduce minor cases of image retention. Depending on the degree of Conditioning image retention, the program may take some time to run. You can enable this feature by selecting "Enable". Factory Reset Reset all OSD settings to the factory preset values.
  • Page 17: Input/Output Specification

    19" LCD Color Monitor Dell E1909Wc 4. Input/Output Specification 4.1 Input Signal Connector VGA Connector: Pin No. Description Pin No. Description Red Video Computer 5V/3.3V Green Video GND-sync Blue Video DDC data Self-test H-Sync R-Ground V-Sync G-Ground DDC clock B-Ground...
  • Page 18: Factory Preset Display Modes

    19" LCD Color Monitor Dell E1909Wc 4.2 Factory Preset Display Modes Display Mode Horizontal Vertical Frequency Pixel Clock Sync Polarity Frequency (Hz) (MHz) (Horizontal/Vertical) (kHz) VESA, 720 x 400 31.5 70.0 28.3 VESA, 640 x 480 31.5 60.0 25.2 VESA, 640 x 480 37.5...
  • Page 19: Panel Specification

    19" LCD Color Monitor Dell E1909Wc 4.4 Panel Specification This specification applies to the 19 inch-wide Color TFT-LCD Module M100PW01. The display supports the WXGA+(1440(H)X900(V))screen format and 16.7M clors.All input signal are 2 signal LVDS interface compatible。 This module does not contain an inverter card for backlight.
  • Page 20 19" LCD Color Monitor Dell E1909Wc 4.4.2 Optical Characteristics Ta= 25°C, VLCD=5.0V, fV=60Hz fCLK=54MHz, IBL=7.5mA...
  • Page 21: Incoming Inspection Standard

    19" LCD Color Monitor Dell E1909Wc 4.5 Incoming inspection standard Inspection environment conditions: 4.5.1 Electrical inspection specification...
  • Page 22 19" LCD Color Monitor Dell E1909Wc...
  • Page 23 19" LCD Color Monitor Dell E1909Wc 4.5.2 Appearance inspection specification...
  • Page 24 19" LCD Color Monitor Dell E1909Wc 4.5.3. Outside dimension specification...
  • Page 25: Block Diagram

    19" LCD Color Monitor Dell E1909Wc 5. Block Diagram 5.1 Software Flow Chart...
  • Page 26 19" LCD Color Monitor Dell E1909Wc 1) MCU Initializes. 2) Is the EEprom blank? 3) Program the EEprom by default values. 4) Get the PWM value of brightness from EEprom. 5) Is the power key pressed? 6) Clear all global flags.
  • Page 27: Electrical Block Diagram

    19" LCD Color Monitor Dell E1909Wc 5.2 Electrical Block Diagram 5.2.1 Main Board Crystal LCD Interface 14.31818MHZ/32PF (CN301) (X401) EEPROM Scalar TSUM5PEHL-LF-2 M24C16 (Include MCU, ADC, OSD) (U403) (U401) D-Sub EEPROM Connector M24C02 DB15_SDA (CN101) (U104) DB15_SCL Digital video signal...
  • Page 28 19" LCD Color Monitor Dell E1909Wc 5.2.2 Inverter and Power Board Rectifier AC input Bridge Transformer diodes Rectifier Start Circuit CN902 R932, R904, R933 Feedback Over Circuit Voltage Control IC ON/OFF Rectify and DC Convert MOSFET Output Circuit Lamp Over...
  • Page 29: Mechanical Instruction

    19" LCD Color Monitor Dell E1909Wc 6. Mechanical Instruction Tools: 2 Power screwdrivers(φ=5mm、L=60mm); 1 small cross screwdriver; turnbuckle driver; Setting: Power screwdriver torque A=11 kgF. Cm; torque B=6 kgF. Cm Remark 1) Put the monitor on the soft plane table, to avoid scrapping the panel.
  • Page 30 19" LCD Color Monitor Dell E1909Wc 2.Pry the monitor up then find out the hooks’ position, use the tool (like the picture or other card) to insert into the gap of bezel and rear cover, then turn over the monitor and take off the rear cover.
  • Page 31 19" LCD Color Monitor Dell E1909Wc Remove shield: 1.Remove the screws remarked in red by Torque B or by manual disconnect connector remarked in green. 2.Remove the four screws and remove the main frame by manual or torque = 3kgF.Cm 3.
  • Page 32 19" LCD Color Monitor Dell E1909Wc Remove the Power Board, Main Board: Remove the screws remarked in red by Torque B or by manual disconnect connector remarked in green. Harness should be round icon pillar...
  • Page 33 19" LCD Color Monitor Dell E1909Wc The panel...
  • Page 34: Schematic Diagram

    19" LCD Color Monitor Dell E1909Wc 7. Schematic Diagram 7.1 Main Board FB102 MVCC VGA_B+ R105 100R 1/16W 5% C102 DSUB_B+ BEAD 0.047uF H_Sy nc R102 0R05 1/10W 5% R103 1K 1/16W 5% R108 C105 DSUB_H V_Sy nc R104 1K 1/16W 5%...
  • Page 35 19" LCD Color Monitor Dell E1909Wc CN301 PA[0..9] PB[0..9] PA[0..9] PB[0..9] LVB3P LVB0M RXO0- LVA3P LVB3M LVB0P RXO0+ LVA3M LVBCKP LVB1M RXO1- LVACKP LVBCKM LVB1P RXO1+ LVACKM LVB2P LVB2M RXO2- LVA2P LVB2M LVB2P RXO2+ LVA2M LVB1P LVA1P LVB1M LVBCKM RXOC-...
  • Page 36 19" LCD Color Monitor Dell E1909Wc CMVCC VCC1.8 C710 0.1uF 16V FB702 CN701 300 OHM VCC3.3 C705 C704 SM340A D701 MVCC 0.1uF/16V 100uF/25V CMVCC Q702 CMVCC KN2907AS R705 BKLT-VBRI BKLT-EN 10K 1/16W 5% Q703 R706 KN2907AS BKLT-VBRI adj_BACKLIGHT 2 CONN VCC3.3...
  • Page 37 19" LCD Color Monitor Dell E1909Wc VCC1.8 VDDC VDDP FB403 VCC3.3 FB401 AVDD VCC3.3 FB402 VPLL VCC3.3 VCC1.8 0 OHM +-5% 1/8W C412 300OHM 300OHM VCC3.3 C409 C408 C403 C404 C406 C402 Del C209 C410 C411 0.1uF/16V C407 0.1uF/16V 10uF/50V 0.1uF/16V...
  • Page 38: Power Board

      1/4W 0.001uF C921 0.0047UF/400V R902 620K   1/4W CN902 CONNECTOR VAR901 NR901 C930 NTCR F901 FUSE SOCKET ON/OFF GND1 CN901 Title PWPC8942MY A1 FOR DELL 19寸 POWER CIRCUIT Size Document Number G2853-1-2-X-3-080703 Date: Thursday , July 03, 2008 Sheet...
  • Page 39 220pF R826 1K 1/10W 1% 1K 1/10W 1% C834 R835 C817 C845 R862 0.1uF/25V 1M 1/10W 5% 2.2uF/16V 1M 1/10W 5% Title PWPC8942MY A1 FOR DELL 19寸POWER CIRCUIT Size Document Number Custom G2853-1-2-X-3-080703 Date: Thursday , July 03, 2008 Sheet...
  • Page 40: Key Board

    19" LCD Color Monitor Dell E1909Wc 7.3 Key Board DOWN CONN ON/OFF SOURCE LED1 MENU Title Key Board Size Document Number 715G2801-B-2 Date: Friday , April 25, 2008 Sheet...
  • Page 41: Pcb Layout

    19" LCD Color Monitor Dell E1909Wc 8. PCB Layout 8.1 Main Board...
  • Page 42 19" LCD Color Monitor Dell E1909Wc...
  • Page 43: Power Board

    19" LCD Color Monitor Dell E1909Wc 8.2 Power Board...
  • Page 44: Key Board

    19" LCD Color Monitor Dell E1909Wc 8.3 Key Board...
  • Page 45: Maintainability

    19" LCD Color Monitor Dell E1909Wc 9. Maintainability 9.1 Equipments and Tools Requirement 1. Voltage meter 2. Oscilloscope 3. Pattern Generator 4. LCD Color Analyzer 5. Service Manual 6. User Manual 9.2 Trouble shooting 9.2.1 Main Board No power No power...
  • Page 46 19" LCD Color Monitor Dell E1909Wc No picture (LED orange) No picture The button if X401 oscillate Replace X401 under control waveform is normal Check reset circuit of Check Correspondent component U401s normal Measure U701 PIN2=3.3V C904(+)=1.8V Replace U401 Check CN701 or...
  • Page 47 19" LCD Color Monitor Dell E1909Wc White screen White screen Measure Q302 base X401 oscillate waveform is normal is low level? Replace X401 Check Q301, Q302, U301 is Check reset circuit of broken or U301 solder? U401 is normal Check Correspondent Check Correspondent component.
  • Page 48 19" LCD Color Monitor Dell E1909Wc 9.2.2 Power/Inverter Board No power Check CN902 pin4,5= 12V Check AC line volt 110V or 220V Check AC input Check the voltage of C905(+) Check bridge rectified circuit and F901 circut Check start voltage for the pin8 of IC901...
  • Page 49 19" LCD Color Monitor Dell E1909Wc No Backlight Check CN902 pin4.=4,5 = 12V Check adapter or MB Check ON/OFF signal Check Interface board Check IC801 PIN12=14V Change Q802, Q803 Check IC801 PIN10, 9 have the output of square wave at short time Change IC801 Check Q803,Q802 PIN5, 6, 7, 8 have the output of square wave at short time.
  • Page 50 19" LCD Color Monitor Dell E1909Wc 9.2.3 Key Board OSD is unstable or not working Is Key Pad Board connecting normally? Connect Key Pad Board Replace Button Switch Is Button Switch normally? Is Key Pad Board normally? Replace Key Pad Board...
  • Page 51: White-Balance, Luminance Adjustment

    19" LCD Color Monitor Dell E1909Wc 10.White balance, Luminance adjustment Approximately 2 Hours should be allowed for warm up before proceeding White-Balance adjustment. Before started adjust white balance, please setting the Chroma-7120 MEM. Channel 3 to 6500 K colors, MEM.
  • Page 52 19" LCD Color Monitor Dell E1909Wc Max Brightness measurement: >300 cd/㎡ Test conditions: a. Switch to the full white pattern, in user mode main menu: 1. Set <Color Settings> Red, Green, and Blue to the max. 2. Set <Brightness> Brightness, Contrast to the max.
  • Page 53: Isp Instruction

    19" LCD Color Monitor Dell E1909Wc 11. ISP Instruction Configure and procedure It is a windows-based program, which cannot be run in MS-DOS. System and equipment requirements (1). An i486 (or above) personal computer or computer or compatible. (2). Microsoft operation system Window 95/98/2000/XP.
  • Page 54 19" LCD Color Monitor Dell E1909Wc Step 2: Click OK and click Read, select program Bin file, bring up Fig.3 Fig.3...
  • Page 55 19" LCD Color Monitor Dell E1909Wc Step3: Click open and OK, bring up Fig.4 and Fig.5 Fig.4 Fig.5...
  • Page 56 19" LCD Color Monitor Dell E1909Wc Step 4: Click Auto and Run, bring up Fig.6 Fig.6 Step 5: When appear Verify OK, writer finished as shown Fig.7 Fig.7...
  • Page 57: Monitor Exploded View

    19" LCD Color Monitor Dell E1909Wc 12. Exploded View...
  • Page 58: Bom List

    19" LCD Color Monitor Dell E1909Wc 13. BOM List T9RAMAHKX5DFHN Location Part No. Description Remark 012G6059 1 RUBBER 015G8146 1 KEVSINGTON BRACKET 050G 600 1 W WHITE STRAP 052G 1150 C INSULATING TAPE 052G 1186 SMALL TAPE 052G 1211543 ALUMINUM FOIL TAPE...
  • Page 59 19" LCD Color Monitor Dell E1909Wc CN401 033G8019 8C B CONNECTOR CN301 033G801930F CH FFC CONNECTOR 1.0PICTH 30P CN301 033G801930F CH JS CONNECTOR C402 067G 3151007KV ELCAP 10UF M 50V 105℃ KINGNICHI C305 067G 3151014KV EC 105℃ CAP 100UF M 25V...
  • Page 60 19" LCD Color Monitor Dell E1909Wc R438 061G0402100 1F RST CHIPR 1KOHM +-1% 1/16W R436 061G0402100 1F RST CHIPR 1KOHM +-1% 1/16W R417 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R425 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R416 061G0402101...
  • Page 61 19" LCD Color Monitor Dell E1909Wc R136 061G0402103 RST CHIPR 10 KOHM +-5% 1/16W R421 061G0402104 RST CHIPR 100 KOHM +-5% 1/16W R420 061G0402121 RST CHIP 120R 1/16W 5% R439 061G0402202 RST CHIP 2K 1/16W 5% R437 061G0402202 RST CHIP 2K 1/16W 5%...
  • Page 62 19" LCD Color Monitor Dell E1909Wc C415 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C417 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C418 065G0402104 15 MLCC 0402 0.1UF K 16V X5R C422 065G0402104 15 MLCC 0402 0.1UF K 16V X5R...
  • Page 63 19" LCD Color Monitor Dell E1909Wc C102 065G0402473 12 CHIP 0.047UF 16V X7R C113 065G0402509 31 CHIP 5PF 50V NPO C109 065G0402509 31 CHIP 5PF 50V NPO C105 065G0402509 31 CHIP 5PF 50V NPO FB702 071G 56G301 EA BEAD 300 欧...
  • Page 64 19" LCD Color Monitor Dell E1909Wc CN803 033G8021 2E U INVERT CONNECTOR CN804 033G8021 2E U INVERT CONNECTOR 051G 6 4503 GLUE_RTV IC903 056G 139 3A IC PC123Y22FZ0F IC903 056G 139 5A TCET1103G NR901 061G 58080 WT 8 OHM NCT...
  • Page 65 19" LCD Color Monitor Dell E1909Wc 0M1G1730 8120 SCREW Q90G0117 3 HEAT SINK IC801 056G 379 22 IC TL494IDR SOIC-16 IC901 056G 379 76 IC LD7552BPS SOP-8 Q801 057G 417 4 PMBS3904/PHILIPS-SMT(04) Q806 057G 417 4 PMBS3904/PHILIPS-SMT(04) Q807 057G 417 4...
  • Page 66 19" LCD Color Monitor Dell E1909Wc R815 061G0603150 1F RST CHIPR 1.5 KOHM +-1% 1/10W R816 061G0603150 1F RST CHIPR 1.5 KOHM +-1% 1/10W R924 061G0603181 RST CHIPR 180 OHM +-5% 1/10W R861 061G0603220 3F RST CHIPR 220KOHM +-1% 1/10W...
  • Page 67 19" LCD Color Monitor Dell E1909Wc JR806 061G1206000 RST CHIPR 0 OHM +-5% 1/4W F801 061G1206000 4 RST CHIPR 0 OHM +-5% 1/4W R909 061G1206100 RST CHIPR 10 OHM +-5% 1/4W R910 061G1206100 RST CHIPR 10 OHM +-5% 1/4W R936...
  • Page 68 19" LCD Color Monitor Dell E1909Wc C907 065G0805104 32 CAP CHIP 0805 0.1UF K 50V X7R C824 065G0805104 32 CAP CHIP 0805 0.1UF K 50V X7R C805 065G0805104 32 CAP CHIP 0805 0.1UF K 50V X7R C931 065G0805105 22 CAP CHIP 0805 1UF K 25V X7R...
  • Page 69 Q34G0411 VH 1S0130 BEZEL L19WA-8DELL3-1 Q34G0412 VH 1S0130 REAR COVER 19W Q37G0071012 STAND_ASSY Q40G 19N700 9A RATING LABEL Q41G7800700A33 E1909WC PIG FOR DAO Q41G7800700A48 E1909WC QSG FOR WEST Q44G9139101 Q44G9139201 Q44G9139700 3A 19W LCD DELL CARTON Q45G 77 5 PE PACKING...
  • Page 70: Different Parts List

    19" LCD Color Monitor Dell E1909Wc 14.Different Parts List Diversity of T9RMMAHKX5DFHN compared with T9RAMAHKX5DFHN Location Part No. Description Remark 705GQ815011 MAIN FRAME ASS'Y 19W Q15G0341301 MAINFRAME 750GLM90A1A12Z000D PANEL M190A1-L0A C1 NB CMO 756GQ8CB DL00M MAIN BOARD-CBPCRMADEQ1 SMTC-U402 100GDMM9000N11 MCU ASSY-056G1133 81...
  • Page 71 19" LCD Color Monitor Dell E1909Wc Diversity of T9RMMAHKX5DFHC compared with T9RAMAHKX5DFHN Location Part No. Description Remark 705GQ815011 MAIN FRAME ASS'Y 19W Q15G0341301 MAINFRAME 750GLM90A1A12D000D PANEL M190A1-L0A C1 NB CMO 756GQ8CB DL00M MAIN BOARD-CBPCRMADEQ1 SMTC-U402 100GDMM9000N11 MCU ASSY-056G1133 81 PWPC8942MYA1...

Table of Contents