7" LCD Color Monitor Dell E178FPC Service Service Service Horizontal Frequency 30 kHz to 81 kHz Table of Contents Description Page Description Table Of Contents.......…….................……...........…........1 Revision List.….........................………................……......2 Important Safety Notice.….……….…..................……......3 1.Monitor Specifications.....…........................………........4 2.LCD Monitor Description…………………………….......5 3.Operation Instructions……………...............…….........
17" LCD Color Monitor Dell E178FPC Revision List Revision Release Date Revise history TPV model T76AM9HKFDDDN A00 Apr.
17" LCD Color Monitor Important Safety Notice Dell E178FPC 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. Some of these service operations require the use of tools specially designed for the purpose. The special tools should be used when and as recommended.
17" LCD Color Monitor 1. Monitor Specifications Dell E178FPC Screen type Active matrix - TFT LCD Panel Type M170EG01 VD00 ZBD DELL AUO Size 17 inches (17-inch diagonal viewable image size) Pixel pitch 0.
17" LCD Color Monitor 2. LCD Monitor Description Dell E178FPC The LCD monitor will contain a main board, power board, 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. Monitor Block Diagram Flat Panel and CCFL Drive.
17" LCD Color Monitor 3. Operation instructions Dell E178FPC 3.1 General Instructions 1. With the menu off, press the MENU button to open the OSD system and display the main features menu. A Function icons B Main Menu D Sub-Menu name E Resolution C Menu icon 2. Press the - and + buttons to move between the function icons. As you move from one icon to another, the function name is highlighted to reflect the function or group of functions (sub-menus) represented by that icon.
17" LCD Color Monitor Dell E178FPC 3.2 Control Buttons 1 Menu selection button 2 Brightness Contrast / Down(-) button 3 Auto-Adjust / Up(+) button 4 Power On/Off button with LED indicator The 'MENU' button is used to open the on-screen display (OSD), select function icons, exit from menus and sub-menus, and to exit the OSD. See Accessing the Menu System 1 MENU Use this button for direct access to the 'Brightness' and 'Contrast' control menu.
17" LCD Color Monitor Dell E178FPC Use this button to activate automatic setup and adjustment. The following dialog will appear on screen as the monitor self-adjusts to the current input: Auto Adjust Auto Adjust In Progress 3 Auto Adjustment button allows the monitor to self-adjust to the incoming video signal. After using 'Auto Adjustment', you can further tune your monitor by using the 'Pixel Clock' and 'Phase' controls in the OSD.
17" LCD Color Monitor Dell E178FPC necessary. "+" increase 'brightness' " - "decrease 'brightness' The 'Contrast' function adjusts the degree of difference between darkness and lightness on the display screen. "+" increase the 'contrast' "-" decrease the 'contrast' 3.3 Adjusting the Picture Icon Menu and Submenus Exit Positioning: Description This is used to exit out of the Main Menu. 'Positioning' moves the viewing area around on the monitor screen.
17" LCD Color Monitor Dell E178FPC hotkey. Pixel Clock The Phase and Pixel Clock adjustments allow you to more closely adjust your monitor to your preference. Select Image Settings in the main OSD to access these settings. Use the - and + buttons to adjust interference. Minimum: 0 ~ Maximum: 100 Phase If satisfactory results are not obtained using the Phase adjustment, use the Pixel Clock adjustment and then use Phase again. NOTE: This function may change the width of the display image.
17" LCD Color Monitor Dell E178FPC User Preset Use the +/- buttons to increase or decrease each of the three colors (R, G, B) independently, in single digit increments, from '0' to '100'. NOTE: 'Color temperature' is a measure of the 'warmth' of the image colors (red/green/blue). The two available presets ('Blue' and 'Red') favor blue and red accordingly. Select each one to see how each range suits your eye; or utilize the 'User Preset' option to customize the color settings to your exact choice.
17" LCD Color Monitor Dell E178FPC Language Language sets the OSD to display in one of five languages (English, Español, Français, Deutsch, and Japanese). NOTE: The language chosen affects only the language of the OSD. It has no effect on any software running on the computer. Factory Reset: Factory Reset returns the settings to the factory preset values for the selected group of functions. Exit is used to exit out of Factory Reset menu.
17" LCD Color Monitor Dell E178FPC NOTE: Press any button on the monitor to terminate LCD Conditioning at any time. DDC/CI (Display Data Channel/Command Interface) allows you to adjust the monitor parameters (brightness, color, balance, etc.) via software applications on your PC. Select Disable to disable this feature. For best user experience and optimum performance of your monitor, keep this feature enabled. NOTE: If user select 'disable' for DDC/CI, the warning message will appear on screen.
17" LCD Color Monitor Dell E178FPC OSD Warning Messages A warning message may appear on the screen indicating that the monitor is out of sync. Cannot Display This Video Mode Optimum resolution 1280 x1024 60Hz This means that the monitor cannot synchronize with the signal that it is receiving from the computer. Either the signal is too high or too low for the monitor to use. See Specifications for the Horizontal and Vertical frequency ranges addressable by this monitor.
17" LCD Color Monitor 4. Input/Output Specification Dell E178FPC 4.1 Input Signal Connector VGA Connector: Pin No. Description Pin No. Description 1 Video-Red 9 Computer 5V/3.
17" LCD Color Monitor Dell E178FPC 4.2 Factory Preset Display Modes Display Mode Horizontal Frequency (kHz) Vertical Frequency (Hz) Pixel Clock (MHz) Sync Polarity (Horizontal/Vertical) VGA, 720 x 400 31.5 70.1 28.3 -/+ VGA, 640 x 480 31.5 60.0 25.2 -/- VESA, 640 x 480 37.5 75.0 31.5 -/- VESA, 800 x 600 37.9 60.3 40.0 +/+ VESA, 800 x 600 46.9 75.0 49.5 +/+ VESA, 1024 x 768 48.4 60.0 65.0 -/- VESA, 1024 x 768 60.0 75.0 78.8 +/+ VESA, 1152 x 864 67.5 75.0 108.
" LCD Color Monitor Dell E178FPC 4.4 Panel Specification M170EG01 VD00 ZBD DELL AUO 4.4.
17" LCD Color Monitor Dell E178FPC 4.4.2 Optical Characteristics The optical characteristics are measured under stable conditions at 25℃ (Room Temperature): 4.5 Definition of Pixel Defects 4.5.1 Inspection environment conditions: ◆ Room temperature: 20 ~ 25 C ◆ Humidity: 65 ± 5% RH. ◆ Illumination: Fluorescent light (Day-Light Type) display surface illumination to be 300 ~ 700 Lux. (standard 500Lux.
17" LCD Color Monitor Dell E178FPC 4.5.2. Classification of defects: Defects are classified as major defects and minor defects according to the degree of defectiveness defined herein. Major defects: A major defect is a defect that is likely to result in failure, or to reduce materially the usability of the product for its intended purpose.
17" LCD Color Monitor Dell E178FPC *Inspection patterns: Standard inspection patterns of dot defect are listed below. AU uses these patterns as standard criteria for judging dot defect. Please inform AU if any other pattern is to be used to examine dot defect. Note (4) The general mura symptoms will use 6 % ND Filter. Note (5) The inspection method of ND Filter - holding ND filter in front of the panel around 1 cm and examine the panel from 35±5 cm in the front view for 5 seconds. 4.5.
17" LCD Color Monitor Dell E178FPC 4.5.5 Outside dimension specification: Note 1: Thickness doesn’t include bending.
17" LCD Color Monitor 5. Block Diagram Dell E178FPC 5.
17" LCD Color Monitor Dell E178FPC 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. 7) Are the AUTO and SELECT keys pressed? 8) Enter factory mode. 9) Save the power key status into EEprom. Turn on the LED and set it to green color. Scalar initializes. 10) In standby mode? 11) Update the lifetime of back light.
17" LCD Color Monitor Dell E178FPC 5.2 Electrical Block Diagram 5.2.1 Main Board XGA/SXGA B3 +5V +5V PC5V PC5V VCC3.3 RIN GNDR GIN GNDG SOG BIN GNDB HSY NC VSY NC DDCA_SDA DDCA_SCL DET_VGA VCC3.3 LVDS OUTPUT B4 RIN GNDR GIN GNDG SOG BIN GNDB HSY NC VSY NC DDCA_SDA DDCA_SCL DET_VGA DDC_WP VCC1.8 VCC3.3 +5V VCC1.8 Vcc3.3 +5V DDC_WP 3.INPUT B5 A[0..9] VCC3.3 +5V VCC1.8 PC5V B[0..9] B2 on_BACKLIGHT on_Panel PC5V on_BACKLIGHT on_Panel VCTRL B[0..9] A[0..9] B[0..9] VLCD VCTRL VCC1.
17" LCD Color Monitor Dell E178FPC 5.2.
17" LCD Color Monitor 6. Mechanical Instructions Dell E178FPC 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 Note: Firstly, put the monitor on a soft, flat and clean surface, wear gloves. Fig Remark Remove stand: 1. Rotate the stand to allow access to the stand release button. 2. Press the Stand release button and lift up the Stand and away from the monitor. Remove rear cover : 1.
17" LCD Color Monitor Dell E178FPC 3. Turn over the monitor as the Fig, hold the rear cover, and then slightly remove it. Remove the bezel: Remove the small shield as the arrowhead direction, disconnects the keyboard connector, and then remove the bezel. Remove the shield : 1.
17" LCD Color Monitor Dell E178FPC Remove the two screws by Torque B. Remove the main frame: Remove the 4 screws by manual or torque = 3kgF.
17" LCD Color Monitor Dell E178FPC EVA washers Install: Fix the LVDS connector by black tape and EVA washers. Black tape Note: Make LVDS connector’s metal side adown for HYDIS, CPT, SAMSUNG and LG panel and upturned for AU panel. LVDS Cable Main Frame Install: The cable hook trussing the LVDS cable is fixed on the second hole of main frame as the figure show LVDS Cable Cable hook Remove the Boards: Remove the seven screws by Torque B and remove the Power Board and Main Board.
17" LCD Color Monitor Dell E178FPC Screw pillar Ground cable Install: The ground cable should be laid above the other two cables and below the screw pillar. Install: Note: The pins can’t touch the blue and purple lines.
17" LCD Color Monitor Dell E178FPC The end Black tapes 45℃ Install: The angle between CCFL line and vertical direction should be 45 degree.
17" LCD Color Monitor 7. Schematic Diagram Dell E178FPC 7.1 Main Board 17 CN405 11 1 6 2 7 3 8 4 9 5 10 12 13 14 PC5V PC5V VGA_CON R434 56Ω 1/10W R461 0Ω 1/10W R435 56Ω 1/10W R462 0Ω 1/10W R436 56Ω 1/10W R437 NC R438 R439 75 OHM +-1% 1/10W 75 OHM +-1% 1/10W R440 3 2 C440 0.1uF 16V D405 BAV99 C435 NC R441 100Ω 1/10W R442 100Ω 1/10W R443 100Ω 1/10W +5V C436 0.047uF C437 0.047uF C438 0.047uF +5V R455 1KΩ 1/10W C441 D413 0.
17" LCD Color Monitor VCC1.8 FB401 VCC1.8 VDDC VDVI VMPLL AVDD VPLL C403 10uF/16v C404 C405 C406 C402 0.1uF 16V 0.1uF 16V 0.1uF 16V 0.1uF 16V VDDC VCC3.3 FB402 VCC3.3 FB403 VCC3.3 VDDP 0.1uF 16V 0.1uF 16V VCC3.3 AVDD 0.1uF 16V VCC3.3 FB404 2,3 34 600 OHM VCC3.3 VDVI 0.1uF 16V 0.
17" LCD Color Monitor Dell E178FPC VLCD 4 A[0..9] B[0..9] A[0..9] B[0..
17" LCD Color Monitor Dell E178FPC +5V VCTRL R701 1KΩ 1/10W 4.7KΩ 1/10W CN701 +5V + BL_ON BL_ADJ R705 +5V GND +5V GND C709 + B R711 10KΩ 1/10W NC Q703 PMBS3904 VCC1.8 C702 4.7uF M 16V VCC1.8 4 D701 NC C711 0.1uF 16V Adj_BACKLIGHT 4 4.7KΩ 1/10W +5V R710 CONN NC R707 Q701 PMBS3904 R708 10KΩ 1/10W C710 100uF/16V R706 C708 0.1uF 16V R712 4.7KΩ 1/10W D702 LL4148 C705 on_BACKLIGHT 4 LL4148 R703 Q702 PZT2907AT1G SOT-223 2KΩ 1/10W + R704 NC 1uF/16V VCC3.
17" LCD Color Monitor Dell E178FPC 7.2 Power Board R95147 1/8W 1 R952 47 NC 3 C910 1500pF/1KV C902 Y 2 2200PF +-20% 250VAC D901 UF4003PT + 2 2 3 C912 0.1uF/50V L901 2W D900 FR107 C901 Y 2 2200PF +-20% 250VAC C916 0.1uF/50V L922 6 8 7 2 R910 7R5 1/8W C911 22uF/50V 1O 1 6 8 D910 LL4148WP R954 47 1/8W 3A/60V R912 R955 47 1/8W Q900 STP8NK80ZFP 1 R902 330K 1/8W 1/8W + C932 NC NC ZD921 RLZ13B R922 470 1/4W N.C C900 0.0022uF/250V R916 0.43 2W CN902 CONNECTOR ZD922 RLZ5.
17" LCD Color Monitor Dell E178FPC RJ802 0 1/8W RJ801 0 1/8W RJ803 0 1/10W PT801 S80GL17T36V 5 7 RJ804 0 1/8W CN801 2 R836 1K 1/10W 3 4 1/8W VCC N.C R839 2 C817 3PF/3KV N.C C814 R821 100K 2 1000P/50V RLZ5.6B N.C C801 0.1uF/50V 1 33G8021-2E-U D802 R822 3MΩ 1/2W 1/10W 1 C836 3 R820 15K 2 1/10W C818 270pF C831 220PF/50V 5 G2P D2P S2P D2P 6 R825 560 1/10W NC BAV99 D801 BAV70 4 3 7 1 N.C R838 0 1/8W G1N D1N Q805 AM9945 2 R807 22 1/8W +5V S1N D1N 8 1 N.
17" LCD Color Monitor 8. PCB Layout Dell E178FPC 8.
17" LCD Color Monitor Dell E178FPC 39
17" LCD Color Monitor Dell E178FPC 40
17" LCD Color Monitor Dell E178FPC 8.
17" LCD Color Monitor Dell E178FPC 42
17" LCD Color Monitor Dell E178FPC 8.
17" LCD Color Monitor 9. Maintainability Dell E178FPC 9.1 Equipments and Tools Requirement 1. Voltage meter 2. Oscilloscope 3. Pattern Generator 4. LCD Color Analyzer 5. Service Manual 6.
17" LCD Color Monitor Dell E178FPC 9.2 Trouble shooting 9.2.1 Main Board No power No power Press power key and look if the picture is normal OK Please reinsert and make sure the AC of 100-240 is normal NG OK Reinsert or check the Adapter/Inverter section Measure U701 PIN2=3.3V C702 “-”=1.
17" LCD Color Monitor Dell E178FPC No picture (LED orange) No picture Measure U701 PIN2=3.3V C702 “-”=1.
17" LCD Color Monitor Dell E178FPC White screen White screen NG Measure Q706 base X401 oscillate waveform is normal is high level? OK OK NG Check Q704 is broken or Check reset circuit of CN101 solder? U401 is normal NG NG Check Correspondent component. Check Correspondent component.
17" LCD Color Monitor Dell E178FPC 9.2.
17" LCD Color Monitor Dell E178FPC No Backlight Check CN902 Pin 3, 4=12V OK NG Check adapter and F902 Check ON/OFF signal OK NG Check Interface board or main board Check IC801 PIN2=5V OK NG Change on/off circuit Check IC801 PIN13 have triangle wave OK NG Change IC801, C807-C810 Check IC801 PIN1/PIN15 PWM wave OK NG Check Q805/Q806 Check the output of PT801, PT802 OK NG Change PT801, PT802 Check connecter & lamp 49
17" LCD Color Monitor Dell E178FPC 9.2.
17" LCD Color Monitor 10. White balance, Luminance adjustment Dell E178FPC 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 65000K colors, MEM. Channel 4 to 93000K colors, MEM.
17" LCD Color Monitor 11. ISP Instruction Dell E178FPC 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. (3). ISP Tool: ISP board/printer cable/VGA cable as shown in Fig.1 Link to Dell Connect to PC LPT VGA connector Fig.1 (4). ISP software checklist (5).
17" LCD Color Monitor Dell E178FPC Step 2: Click OK and click Read, select program Bin file, bring up Fig.3 Fig.
17" LCD Color Monitor Dell E178FPC Step3: Click open and OK, bring up Fig.4 and Fig.5 Fig.4 Fig.
17" LCD Color Monitor Dell E178FPC 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.
17" LCD Color Monitor 12.
17" LCD Color Monitor 13.
17" LCD Color Monitor CN101 033G8043 24 BH Dell E178FPC W CONNECTOR 040G 457624 1B LABEL-CPU 040G 45762412B CBPC LABEL C408 067G305V100 3 105℃ 10UF +-20% 16V C418 067G305V100 3 105℃ 10UF +-20% 16V C717 067G305V100 3 105℃ 10UF +-20% 16V C710 067G305V101 3 105℃ 100UF M 16V C702 067G405D4797PV ELCAP 4.7UF M 50V C403 067G405V100 3P 10UF 16V C712 067G405V101 3P CAP 105℃ 100UF M 16V CN405 088G 35315F H D-SUB 15PIN X401 093G 22 53 CRYSTAL 14.
17" LCD Color Monitor Dell E178FPC R404 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R406 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R408 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R413 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R415 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R416 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R444 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R727 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R450 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R483 061G0603103 RST CHIPR 10 KO
17" LCD Color Monitor Dell E178FPC R723 061G0603513 RST CHIPR 51 KOHM +-5% 1/10W R434 061G0603560 RST CHIPR 56 OHM +-5% 1/10W R435 061G0603560 RST CHIPR 56 OHM +-5% 1/10W R436 061G0603560 RST CHIPR 56 OHM +-5% 1/10W R438 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W R439 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W R440 061G0603750 9F RST CHIPR 75 OHM +-1% 1/10W C426 065G040210232T 0402 MLCC 1000PF K 50V C427 065G040210232T 0402 MLCC 1000PF K 50V C428 065G040210232T 0402 MLCC 1000P
17" LCD Color Monitor Dell E178FPC C443 065G040222031T 0402 MLCC 22PF J 50V C417 065G0402224A5T MLCC 0402 0.
17" LCD Color Monitor Dell E178FPC 715G1564 1 3 KEY BOARD PCB PWPC742AD8P POWER BOARD CN804 033G8021 2E U WAFER CN803 033G8021 2E U WAFER CN802 033G8021 2E U WAFER CN801 033G8021 2E U WAFER CN901 033G8029 3A H B2P3S-VH 040G 45762412B CBPC LABEL 051G RTV 6 4503 IC902 056G 139 3A PC123Y22FZOF NR901 061G 58080 WT 8 OHM NCT R916 061G152M438 64 RST MOFR 0.43OHM +-5% 2WS C909 063G107K474 HS X2 CAP 0.
17" LCD Color Monitor Dell E178FPC Q900 705GQ7K0 57005 Q900 ASS'Y Q900 057G 600 35 STP8NK80ZFP HS4 Q900 090G6264 2 HEAT SINK 0M1G1730 8128 CR3 SCREW IC901 056G 379 61 LD7575PS SOP-8 IC801 056G 608 10 IC OZ9938GN-B SOIC-16 Q803 057G 417 4 PMBS3904/PHILIPS-SMT(04) Q802 057G 417 4 PMBS3904/PHILIPS-SMT(04) Q801 057G 417 4 PMBS3904/PHILIPS-SMT(04) Q806 057G 763 14 AM9945N Q805 057G 763 14 AM9945N RJ803 061G0805000 0 OHM 1/10W R842 061G0805100 10 OHM 1/10W R837 061G0805100
17" LCD Color Monitor Dell E178FPC R924 061G0805360 1F 3.
17" LCD Color Monitor Dell E178FPC C912 065G0805104 32 CHIP 0.1U 50V X7R C806 065G0805105 22 CHIP 1UF 25V X7R 0805 C813 065G0805152 32 CHIP 1500PF 50V X7R 0805 C812 065G0805152 32 CHIP 1500PF 50V X7R 0805 C822 065G0805152 32 CHIP 1500PF 50V X7R 0805 C823 065G0805152 32 CHIP 1500PF 50V X7R 0805 C831 065G0805221 32 CHIP 220PF 50V X7R 0805 C833 065G0805221 32 CHIP 220PF 50V X7R 0805 C913 065G0805221 32 CHIP 220PF 50V X7R 0805 C804 065G0805225 12 CHIP 2.
17" LCD Color Monitor Dell E178FPC R822 061G212Y305 KT MGFR 3M OHM +-5% 1/2W C910 065G 1K152 1T6052 1.5nF /1K Y5P+-10% C921 065G517K102 5T 1000PF 10% Y5P 500V C920 065G517K102 5T 1000PF 10% Y5P 500V C911 067G215D2207KT CAP 105℃ 22UF M 50V F901 084G 55 2 FUSE 2.5A 250V MET2.
17" LCD Color Monitor 14. Different Parts List Dell E178FPC Diversity Of T76AM9HKFDDGN Compared With T76AM9HKFDDDN Location Part No. 750GLU70G1D22Z000D Description PANEL M170EG01 VD0A ZBD DELL AUO Diversity Of T76SM9HKFDDDN Compared With T76AM9HKFDDDN Location Part No.