9" LCD Color Monitor Dell 1908FPC 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……………...............…….........
19" LCD Color Monitor Dell 1908FPC Revision List Revision Release Date Revise history TPV model T96GGCHKFDDGDP T96GGCHKFDDEDP A00 Jan.
19" LCD Color Monitor Important Safety Notice Dell 1908FPC 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.
19" LCD Color Monitor 1. Monitor Specifications Dell 1908FPC Screen type Active matrix - TFT LCD Panel Type LM190E08-TLB2 LPL Size 19 inches (19-inch viewable image size) Pixel pitch 0.294 mm Viewable angle 160° (vertical) typ, 160° (horizontal) typ Response time 5ms typical Video R, G, B Analog Interface, DVI digital Interface Separate Sync H/V TTL H-Frequency 30 kHz to 81 kHz (automatic) V-Frequency 56 Hz to 76 Hz (automatic) LCD Panel Input Display Colors 16.
19" LCD Color Monitor 2. LCD Monitor Description Dell 1908FPC 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.
19" LCD Color Monitor 3. Operation instructions Dell 1908FPC 3.1 General Instructions NOTE: If you change the settings and then either proceed to another menu or exit the OSD menu, the monitor automatically saves those changes. The changes are also saved if you change the settings and then wait for the OSD menu to disappear. 1. Push the MENU button to open the OSD menu and display the main menu.
19" LCD Color Monitor Dell 1908FPC NOTE: Auto Adjust, Positioning and Image Settings are only available when you are using the analog (VGA) connector. 2. Push the - and + buttons to move between the setting options. As you move from one icon to another, the option name is highlighted. See the table below for a complete list of all the options available for the monitor. 3. Push the MENU button once to activate the highlighted option. 4. Push - and + button to select the desired parameter. 5.
19" LCD Color Monitor Dell 1908FPC or or The Menu button is used to open and exit the on-screen display (OSD), and exit from menus and sub-menus. See Using the OSD 2 Menu. OSD menu / select Use this button to launch Brightness menu. 3 Brightness Menu Use these buttons to adjust (decrease/increase ranges) items in the OSD menu. 3,4 Down (-) and Up (+) Use this button to activate automatic setup and adjustment.
19" LCD Color Monitor Dell 1908FPC Use the power button to turn the monitor on and off. 5 The green light indicates the monitor is on and fully functional. An Power Button and Indicator amber light indicates power save mode. 3.3 Adjusting the Picture Icon Menu and Submenus Exit Brightness/ Contrast Description Select to exit the Main menu. Brightness adjusts the luminance of the backlight. Adjust Brightness first, then adjust Contrast only if further adjustment is necessary.
19" LCD Color Monitor Auto Adjust Dell 1908FPC Even though your computer recognizes your monitor on startup, the Auto Adjustment function optimizes the display settings for use with your particular setup. Select to activate automatic setup and adjustment. The following dialog appears on a black screen as the monitor self-adjusts to the current input: Auto Adjust In Progress Auto Adjustment allows the monitor to self-adjust to the incoming video signal.
19" LCD Color Monitor Normal Preset Dell 1908FPC Normal Preset is selected to obtain the default (factory) color settings. This setting is also the “sRGB” standard default color space. Blue Preset Blue Preset is selected to obtain a bluish tint. This color setting is typically used for text based applications (spreadsheets, programming, text editors, etc.). Red Preset Red Preset is selected to obtain a redder tint.
19" LCD Color Monitor Dell 1908FPC NOTE: You can also lock or unlock the OSD by pushing and holding the Menu button for 15 seconds. Language Select to have the OSD display in one of five languages (English, French, Spanish, German, or Japanese). NOTE: The change only affects the OSD. It has no effect on any software running on the computer. Audio (optional) You can select to have the audio on or off when the monitor is in power saving mode.
19" LCD Color Monitor Dell 1908FPC brightness, and contrast and OSD hold time to the factory defaults. The language of the OSD does not change. IR — This feature will help reduce minor cases of image retention. Enable LCD Conditioning: If an image appears to be stuck on the monitor, select LCD Conditioning to help eliminate any image retention. Using the LCD Conditioning feature may take several hours.
19" LCD Color Monitor Dell 1908FPC OSD Warning Messages One of the following warning messages may appear on the screen indicating that the monitor is out of synchronization. 1. Auto Detect (Analog Input) Cannot Display This Video Mode 1. Auto Detect (Digital Input) or Cannot Display This Video Mode Optimum Resolution 1280 x1024 60Hz Optimum Resolution 1280 x1024 60Hz 2. Analog Input 3.
19" LCD Color Monitor 4. Input/Output Specification Dell 1908FPC 4.1 Input Signal Connector VGA Connector: Pin No. Description Pin No. Description 1. Red Video 9. DDC +5V 2. Green Video 10. GND-sync 3. Blue Video 11. GND 4. GND 12. DDC data 5. Self-test 13. H-Sync 6. R-Ground 14. V-Sync 7. G-Ground 15. DDC clock 8. B-Ground VGA Connector layout DVI Connector: Note: Pin 1 is at the top right. Pin Signal Assignment Pin Signal Assignment Pin Signal Assignment 1 T.M.D.S.
19" LCD Color Monitor Dell 1908FPC Universal Serial Bus (USB) Interface This monitor supports High-Speed Certified USB 2.0 interface. Data Rate USB ports: Power Consumption High speed 480 Mbps 2.5W (Max., each port) Full speed 12 Mbps 2.5W (Max., each port) Low speed 1.5 Mbps 2.5W (Max., each port) • 1 upstream - rear • 4 downstream - 2 on rear; 2 on left side 4.2 Factory Preset Display Modes 4.
19" LCD Color Monitor Dell 1908FPC 4.4 Panel Specification M220Z1-L01C1 ZBD 4.4.1 Display Characteristics 4.4.2 Optical Characteristics Ta= 25°C, VLCD=5.0V, fV=60Hz, fCLK=54MHz, IBL=7.
19" LCD Color Monitor Dell 1908FPC 4.5 Definition of Pixel Defects 4.5. 1.Description These inspection standards shall be applied to LCD Module supplied by CHI MEI Optoelectronics Corporation. 4.5.2 The environmental condition of inspection The environmental condition and visual inspection shall be conducted as below. Ambient conditions a. Temperature: 25±5 ℃ b. Humidity: 65 ±10% RH c.
" LCD Color Monitor Dell 1908FPC Note) continued c. Extraneous substances which can be wiped out, like Finger Print, Particles, are not considered as a defect. b. Defects which is on the Black Matrix(outside of Active Area) are not considered asa defect. 4.5.5 Foreign Material * Maximum allowable number of defects for 3.2 & 3.3 : N<=8 4.5.6. Line Defect All kinds of line defects such as vertical, horizontal or cross are not allowed. 4.5.7.
19" LCD Color Monitor 5. Block Diagram Dell 1908FPC 5.
19" LCD Color Monitor Dell 1908FPC 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.
19" LCD Color Monitor Dell 1908FPC 5.2 Electrical Block Diagram 5.2.
19" LCD Color Monitor Dell 1908FPC 5.2.
19" LCD Color Monitor 6. Mechanical Instructions Dell 1908FPC Note: Put the monitor on a soft, flat and clean cushion, wear gloves and ESD ring. Tools: 2 Power screwdrivers(φ=5mm、L=60mm); 1 small cross screwdriver; turnbuckle driver; Setting: Power screwdriver torque A=12 KgF. Cm; torque B=6 KgF. Cm; some other small screws must be drove by manual, such as screws for keyboard, the recommend torque is 0.8 KgF. Cm Item Fig Remark 1. Rotate the stand to allow access to the stand release button. 2.
19" LCD Color Monitor Dell 1908FPC 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. 3. Turn over the monitor as the Fig, hold the rear cover , then slightly remove it.
19" LCD Color Monitor Dell 1908FPC 1. Remove the 4 screws Remove the torque B shield 2. Remove the USB2 board cover torque B OR manual 3.
19" LCD Color Monitor Dell 1908FPC 4. Disconnect the wire harness between USB1 and USB2 . 5.
19" LCD Color Monitor Dell 1908FPC 1. Remove the 8 screws Remove USB torque B and main board 2. Disconnect the connector wire torque B 3.
19" LCD Color Monitor Dell 1908FPC 4.
19" LCD Color Monitor Dell 1908FPC Remove the 2 screws and Remove USB2 the USB2 Board.
19" LCD Color Monitor 7. Schematic Diagram Dell 1908FPC 7.
19" LCD Color Monitor Dell 1908FPC 32
19" LCD Color Monitor Dell 1908FPC 33
19" LCD Color Monitor Dell 1908FPC 34
19" LCD Color Monitor Dell 1908FPC 35
19" LCD Color Monitor Dell 1908FPC 7.
19" LCD Color Monitor Dell 1908FPC 37
19" LCD Color Monitor Dell 1908FPC 7.
19" LCD Color Monitor Dell 1908FPC 39
19" LCD Color Monitor Dell 1908FPC 7.
19" LCD Color Monitor 8. PCB Layout Dell 1908FPC 8.
19" LCD Color Monitor Dell 1908FPC 42
19" LCD Color Monitor Dell 1908FPC 8.
19" LCD Color Monitor Dell 1908FPC 8.
19" LCD Color Monitor Dell 1908FPC 8.
19" LCD Color Monitor 9. Maintainability Dell 1908FPC 9.1 Equipments and Tools Requirement 1. Voltage meter 2. Oscilloscope 3. Pattern Generator 4. LCD Color Analyzer 5. Service Manual 6.
19" LCD Color Monitor Dell 1908FPC 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 U602 PIN2=1.8V U601 PIN2=3.
19" LCD Color Monitor Dell 1908FPC No picture (LED orange) No picture Measure U602 PIN2=1.8V U601 PIN2=3.
19" LCD Color Monitor Dell 1908FPC White screen White screen NG Measure Q603 base X301 oscillate waveform is normal is high level? NG OK OK Check Q603, Q602 is Check reset circuit of broken or CN501 solder? U401 is normal NG NG Check Correspondent component. Check Correspondent component.
19" LCD Color Monitor Dell 1908FPC 9.2.
19" LCD Color Monitor Dell 1908FPC No Backlight Check CN902=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 Check IC801 PIN1/PIN15 PWM wave OK NG Check Q805/Q806 Check the output of T801, T802 OK NG Change T801, T802 Check connecter & lamp 51
19" LCD Color Monitor Dell 1908FPC 9.2.
19" LCD Color Monitor 10. White balance, Luminance adjustment Dell 1908FPC Approximately 2 Hours should be allowed for warm up before proceeding White-Balance adjustment. Before started adjust white balance, please setting the Minolta-CA210 MEM. Channel 0 to 65000K colors, MEM. Channel 0 to 93000K colors, MEM.
19" LCD Color Monitor 11. ISP Instruction Dell 1908FPC 11.1 Software requirement and connection Operating system requirement (1) Microsoft windows OS. (2) 100M free hard-drive space. (3) 1 free parallel port for DDC2BI communication. The hardware Connection 12V Input Link to Dell DVI connector Link to Dell VGA connector Connect to PC LPT Note: VGA and DVI must not connect at the same time.
19" LCD Color Monitor Dell 1908FPC 11.2 Install the software (Gprobe 5.0) for ISP Writer A. Double-click the Install software Select the folder where you would like Genesis Gprobe 5 to be installed Completing the Genesis Gprobe 5 setup wizard Note: After finishing the installation, you must restart the PC.
19" LCD Color Monitor Dell 1908FPC B. Next, install the Update software Completing the update 1 for Genesis Gprobe 5.
19" LCD Color Monitor Dell 1908FPC 11.3 Run program After the installation, a short-cut icon will appear on your desktop, double click it will run the program. Note: Firstly, you can check the I²C normal or not by inputting the “test” in the position where to load MCU software. Click , if you can see “test pass” in the blank, the I²C is OK! (1).
19" LCD Color Monitor Dell 1908FPC (2).
19" LCD Color Monitor Click Dell 1908FPC to select MCU software in Dell ISP_CODE, please per as the follow fig The text must be matching with the panel type of the monitor; such as if the panel used is LM190E08-TLB2 LPL. You have to choose Dell_1908FP_LPL.txt Click open. (3). Unplug the Dell AC power, until the LED indicator is off, press Enter or Execute button, when the .txt of MCU is in gray, for example , re-plug Dell AC power, Writer is in progress. (4).
19" LCD Color Monitor 12.
19" LCD Color Monitor 13.
19" LCD Color Monitor Dell 1908FPC C601 067G215L221 4N KY25VB220-M-L8*11.5MM C602 067G215L221 4N KY25VB220-M-L8*11.5MM C611 067G215V221 4N KY25VB220-M-CC3 8*11.
19" LCD Color Monitor Dell 1908FPC R205 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R206 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R207 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R208 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R209 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R301 061G0402100 RST CHIPR 10 OHM +-5% 1/16W R416 061G0402100 2F RST CHIPR 10KOHM +-1% 1/16W R417 061G0402100 2F RST CHIPR 10KOHM +-1% 1/16W R309 061G0402101 RST CHIPR 100 OHM +-5% 1/16W R310 061G0402101 RST CHIPR 100 OHM
19" LCD Color Monitor Dell 1908FPC R608 061G0402104 RST CHIPR 100 KOHM +-5% 1/16W R411 061G0402220 0F RST CHIPR 220 OHM +-1% 1/16W R412 061G0402220 0F RST CHIPR 220 OHM +-1% 1/16W R413 061G0402220 0F RST CHIPR 220 OHM +-1% 1/16W R414 061G0402220 0F RST CHIPR 220 OHM +-1% 1/16W R420 061G0402220 2F RST CHIPR 22KOHM +-1% 1/16W R421 061G0402220 2F RST CHIPR 22KOHM +-1% 1/16W R238 061G0402221 RST CHIPR 220 OHM +-5% 1/16W R239 061G0402221 RST CHIPR 220 OHM +-5% 1/16W R415 061G0402221
19" LCD Color Monitor Dell 1908FPC R323 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R318 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R317 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R316 061G0402472 RST CHIPR 4.7 KOHM +-5% 1/16W R315 061G0402472 RST CHIPR 4.
19" LCD Color Monitor Dell 1908FPC C310 065G0603104 12 CER2 0603 X7R 16V 100N P C308 065G0603104 12 CER2 0603 X7R 16V 100N P C219 065G0603104 12 CER2 0603 X7R 16V 100N P C209 065G0603104 12 CER2 0603 X7R 16V 100N P C202 065G0603104 12 CER2 0603 X7R 16V 100N P C201 065G0603104 12 CER2 0603 X7R 16V 100N P C618 065G0603104 12 CER2 0603 X7R 16V 100N P C613 065G0603104 12 CER2 0603 X7R 16V 100N P C612 065G0603104 12 CER2 0603 X7R 16V 100N P C608 065G0603104 12 CER2 0603 X7R 16V 100
19" LCD Color Monitor Dell 1908FPC L201 071G 56K121 M CHIP BEAD L301 071G 56K121 M CHIP BEAD L302 071G 56K121 M CHIP BEAD L303 071G 56K121 M CHIP BEAD L304 071G 56K121 M CHIP BEAD L305 071G 56K121 M CHIP BEAD L306 071G 56K121 M CHIP BEAD L401 071G 56K121 M CHIP BEAD L402 071G 56K121 M CHIP BEAD FB204 071G 59B431 BK1608 HW 431 FB201 071G 59C600 CHIP BEAD FB202 071G 59C600 CHIP BEAD FB203 071G 59C600 CHIP BEAD D201 093G 64 33 DIO SIG SM BAV99 (PHSE)R D202 093G 64 3
19" LCD Color Monitor Dell 1908FPC KEPC6QD2 KEY BOARD 089G176J 810A FFC CABLE Q52G6022 28 TAPE C01 065G0603104 12 CER2 0603 X7R 16V 100N P C02 065G0603104 12 CER2 0603 X7R 16V 100N P SW01 077G 605 1 AL GP SMD SWITCH SW02 077G 605 1 AL GP SMD SWITCH SW03 077G 605 1 AL GP SMD SWITCH SW04 077G 605 1 AL GP SMD SWITCH SW05 077G 605 1 AL GP SMD SWITCH LED01 081G 14501 KT CHIP LED ZD07 093G 39P599 T MM3Z5V6B ZD06 093G 39P599 T MM3Z5V6B ZD05 093G 39P599 T MM3Z5V6B ZD04 093G
19" LCD Color Monitor R916 Dell 1908FPC 061G152M30858F 0.3 OHM 5% 2W 096G 29 6 H.S.
19" LCD Color Monitor Dell 1908FPC Q806 057G 763 14 AM9945N RJ808 061G0805000 0 OHM 1/10W RJ807 061G0805000 0 OHM 1/10W R837 061G0805100 10 OHM 1/10W R842 061G0805100 10 OHM 1/10W R917 061G0805101 RST CHIPR 100 OHM +-5% 1/8W R836 061G0805102 CHIP 1KOHM 1/10W R843 061G0805102 CHIP 1KOHM 1/10W R925 061G0805102 CHIP 1KOHM 1/10W R927 061G0805102 CHIP 1KOHM 1/10W R803 061G0805103 10 KOHM 1/10W R804 061G0805103 10 KOHM 1/10W R812 061G0805103 10 KOHM 1/10W R914 061G0805103
19" LCD Color Monitor Dell 1908FPC R834 061G0805562 RST CHIPR 5.
19" LCD Color Monitor Dell 1908FPC C813 065G0805152 22 CHIP 1500PF 25V X7R 0805 C812 065G0805152 22 CHIP 1500PF 25V X7R 0805 C823 065G0805152 22 CHIP 1500PF 25V X7R 0805 C815 065G0805152 31 1.5N/50V C814 065G0805152 31 1.5N/50V C907 065G0805221 32 CHIP 220PF 50V X7R 0805 C934 065G0805223 22 CHIP 0.022UF 25V X7R 080 C804 065G0805225 12 CHIP 2.
19" LCD Color Monitor Dell 1908FPC R822 061G212Y625 KT MGFR 6.2MOHM +-5% 1/2W C904 065G 1K152 1T 1.5NF/1KV Z5F+-10% C931 065G 450104 4T 0.
19" LCD Color Monitor Dell 1908FPC 002F6370045 M4 RIVET SQ85G7242A SHIELD COVER 020F 027 2B DIECASTING 019F 588 3 SPRING 015F8185 1 BRACKET 015F8186 1 BRACKET 0M1F 130 4 47 SCREW 002F6570108 M4 RIVET 002F6450138 00 RIVET 015F6310 1 BRACKET USB6QA1P USB BOARD CN705 088G 352 6 CL USB CONN T TYPE REVERSE CN706 088G 352 6 CL USB CONN T TYPE REVERSE CN707 095G8014 10 30 WAFER 10P RIGHT ANGLE PITCH 2. C732 065G601M104 7T 0.1UF +-20% 50V Y5V C733 065G601M104 7T 0.
19" LCD Color Monitor Dell 1908FPC R741 061G0603000 RST CHIPR 0 OHM +-5% 1/10W R755 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R749 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R747 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R745 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R716 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R714 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R712 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R710 061G0603103 RST CHIPR 10 KOHM +-5% 1/10W R707 061G0603103 RST CHIPR 10 KOHM
19" LCD Color Monitor Dell 1908FPC C724 065G0603104 12 CER2 0603 X7R 16V 100N P C723 065G0603104 12 CER2 0603 X7R 16V 100N P C722 065G0603104 12 CER2 0603 X7R 16V 100N P C721 065G0603104 12 CER2 0603 X7R 16V 100N P C702 065G0603104 12 CER2 0603 X7R 16V 100N P C701 065G0603104 12 CER2 0603 X7R 16V 100N P C704 065G0603220 31 CER1 0603 NP0 50V 22P PM C703 065G0603220 31 CER1 0603 NP0 50V 22P PM C712 065G0805475 A5 0805 4.7UF +-10% 10V X5R C714 065G0805475 A5 0805 4.
19" LCD Color Monitor 14. Different Parts List Dell 1908FPC Diversity Of T96GGCHKFDDEDP Compared With T96GGCHKFDDGDP Location E750L Part No. 750GLG90E8B41N Description PANEL LCD LM190E08-TLB4 LPL Diversity Of T96SGCHKFDDEDP Compared With T96GGCHKFDDGDP Location Part No.
19" LCD Color Monitor Dell 1908FPC C808 065G0805682 32 MLCC 0805 CAP 6800PF K 50V X7R D802 093G 64 33 DIO SIG SM BAV99 (PHSE)R D804 093G 64 33 DIO SIG SM BAV99 (PHSE)R ZD801 093G 39GA01 T RLZ5.6B SQ15G82712B MAIN FRAME Diversity Of T96SGCHKFDDGDP Compared With T96GGCHKFDDGDP Location Part No.
19" LCD Color Monitor Dell 1908FPC C808 065G0805682 32 MLCC 0805 CAP 6800PF K 50V X7R D802 093G 64 33 DIO SIG SM BAV99 (PHSE)R D804 093G 64 33 DIO SIG SM BAV99 (PHSE)R ZD801 093G 39GA01 T RLZ5.