P b€ g /• D e™ • Q Dell E153FPc Service Manual 15” LCD MONITOR DELL E153FPc THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY.EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OFTHIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.
REFER TO BACK COVER FOR IMPORTANT SAFETY GUIDELINGS Proper service and repair is important to the safe, reliable operation of all Dell Company** Equipment. The service procedures recommended by Dell and described in this service manual are effective methods of performing service operations.
P b€ g /• D e™ • Q Dell E153FPc 1. Monitor Specifications Driving system TFT Color LCD Size 38cm(15.0") Pixel pitch 0.297mm(H) x 0.297mm(V) LCD Panel û û Viewable angle (H) 100 Brightness 200cd/m (Min) Response time (typ.) 16 ms...
/• D e™ • Q Dell E153FPc 2. LCD Monitor Description The LCD MONITOR will contain a main board, an inverter/power board, keypad 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.
P b€ g /• D e™ • Q Dell E153FPc 3. Operation instructions 3.1 General Instructions Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the monitor.
P b€ g /• D e™ • Q Dell E153FPc 3.3 Adjusting the Picture To set the OSD menu, perform the following steps: Briefly press the SELCT / MENU button to activate the OSD menu. The main menu appears on the screen with icons for the setting functions.
/• D e™ • Q Dell E153FPc Adjusting the brightness and contrast Calling the Brightness / Contrast setting window using Brightness button. Setting the brightness of the display Brightness With this function you change the brightness of the background lighting.
/• D e™ • Q Dell E153FPc Setting display of the OSD menu Calling the OSD Set up setting window Horizontal Setting the horizontal position of the OSD menu Position With this function you move the OSD menu to the left or to the right.
/• D e™ • Q Dell E153FPc 4.3 Power Supply Requirements A/C Line voltage range 100 V ~ 240 V± 10 % 50 ± 3Hz, 60 ± 3Hz A/C Line frequency range Input Voltage transients 280 volts AC for 10 sec @40℃...
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P b€ g /• D e™ • Q Dell E153FPc 4.4.3 Optical Characteristics The optical characteristics are measured under stable conditions as follows:...
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P b€ g /• D e™ • Q Dell E153FPc Item Description Part Number Quantity BEZEL 34L1228AY2 T REAR COVER 34L1229 Y2 T KEYPAD BUTTON 33L4670 GV POWER BUTTON 33L4669 GV MAIN FRAME 15L5941 1 B SHIELD INVERTER...
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P b€ g /• D e™ • Q Dell E153FPc Item Description Part Number Quantity RISER REAR 34L1232 Y2 RISER FRONT 34L1231 Y2 VEVA COVER 34L1230 Y2 BASE 34L1233 Y2 2T BRACKET RISER 20L 008 HINGE ASSY 37L 483...
P b€ g /• D e™ • Q Dell E153FPc 5.2 Software Flow Chart...
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P b€ g /• D e™ • Q Dell E153FPc 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.
P b€ g /• D e™ • Q Dell E153FPc 5.3 Electrical Block Diagram 5.3.1 Main Board...
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/• D e™ • Q Dell E153FPc 5.3.2 Inverter/Power Board AC input Bridge Rectifier Transformer Rectifier CMOS EMI filter and Filter MOSFET Start Circuit Q903 R906, R907 CON102 Voltage Feedback Over Circuit Control IC Voltage Protect ON/OFF...
/• D e™ • Q Dell E153FPc 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 Rear cover Remove stand: Remove the 4 screws and remove the stand ass’y by...
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/• D e™ • Q Dell E153FPc Cable hook Remove bezel: Key board Disconnect the Key board connector and remove the bezel Note: When installing monitor fixes the cable use Black Adhesive Tape and screw shield the cable hook.
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/• D e™ • Q Dell E153FPc Remove the main frame: Disconnect the back light connectors Remove the four screws and remove the main frame by manual or torque = 3kgF.Cm LVDS cable Remove the main frame and at the same...
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/• D e™ • Q Dell E153FPc Black Adhesive Tape When installing monitor. Fix the LVDS by Black Adhesive Tape. 10mm should be kept between the tape and the connect end. Power board Mylar Remove the Power board and main board:...
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/• D e™ • Q Dell E153FPc The end Lay the FFCL as the figure show...
P b€ g /• D e™ • Q Dell E153FPc 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...
/• D e™ • Q Dell E153FPc 9.2 Trouble shooting 9.2.1 Main Board No Display Check Power board, is there DC level output? Measured CN104 pin5 = 5 V? Check U105 pin3=5V, U105 pin2=3.3V? Measured U101 pin 44= 5V? Is there any shortage or cold solder? Measured U105 pin 2= 3.3V?
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/• D e™ • Q Dell E153FPc Panel Power Circuit Check the PPWR panel power relative circuit, Q105, Q104 In normal operation, Check R172 should have response from when LED =green, R172 should =5V 0V to 5V when we switch the power...
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/• D e™ • Q Dell E153FPc U102-date Output Measured DCLK (pin 57 from U102) DVS, DHS (pin 54,55 from U102) Is the waveform ok? DCLK around 48 MHZ, DVS=60.09Hz, DHS around 80 Replace ZAN3XL (U102) or KHz? (Refer to input signal=640x480@60 Hz, and LED is replace Main board.
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/• D e™ • Q Dell E153FPc 9.2.2 Inverter/Power Board No Power Check to CN102 Pin12=12V Check Interface board Check AC line volt 110V or 220V Check AC line Check the voltage of C904(+) Check F901, bridge rectified circuit...
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/• D e™ • Q Dell E153FPc No Backlight Check C201(+) =12V Change F902 Check D201/Q209/Q210 Check ON/OFF signal Check Interface board Check U201 pin9=12V voltage of C905(+) Change Q201 or Q202 Check the pin1 of U201 have saw tooth wave Change U201 Check D201 (-) have the output of square wave at short time.
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/• D e™ • Q Dell E153FPc 9.2.3 Key Board OSD is unstable or not working Is Keypad board connecting normally Connect Keypad Board Is Button Switch normally Replace Button Switch Is Keypad board normally Replace Keypad Board...
Dell E153FPc 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. Channel 4 to 9300 K colors, MEM.
P b€ g /• D e™ • Q Dell E153FPc 11. EDID Content 12. ISP (In System Program) User Manual 12.1 Connect ISP Writer preparation action Connect RXD and TXD of PC to RXD (P3.0) and TXD (P3.1) of CPU through RS-232.
/• D e™ • Q Dell E153FPc 12.2 To Use ISP WRITER Press the “–“ key at front bezel and plug the AC power cord in, then the MCU enter ISP mode; a. You will enter the window as follow after executing the ispwriter.exe file.
P b€ g /• D e™ • Q Dell E153FPc f. Click “Program all” to start programming. 12.3. Executing ISP a. “Program All” button that will execute erase and program and verify. Then you can get the window as follow, and click “OK”...
/• D e™ • Q Dell E153FPc 13. BOM List Different Parts List Part NO Description Quantity Unit Remark 750LLC50G091ZB CPT 15" 021 ZB PANEL For T560KCLHM8DLN model 750LLC50G092ZB CPT 15" 011 ZB PAMEL For T560KCLHM8DRN model...
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/• D e™ • Q Dell E153FPc 40L 457624 1B CPU LABEL 40L 45762412B CBPC LABEL 67L309V220 3 22UF +-20% 16V C122 67L309V220 3 22UF +-20% 16V C129 67L305S220 3H 22UF 16V MINI TYPE C136 67L309V220 3...