Dell P2421B Simplified Service Manual Download Page 18 | Manualshive

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Summary of Contents for P2421B

Page 1: ... 1 Simplified Service Manual P2421B Version 01 Date 2021 03 04 ...

Page 2: ...1 SAFETY General Safety 3 1 2 SAFETY General Power Safety 5 2 Exploded view diagram with list of items 6 3 Wiring connectivity diagram 7 4 Disassembly and Assembly Procedures 8 4 1 Disassembly SOP 8 4 2 Assembly SOP 11 5 Trouble shooting instructions 14 ...

Page 3: ...or place equipment so close together that it is subject to recalculated or preheated air NOTE Review the weight limits referenced in your computer documentation before placing a monitor or other devices on top of your computer Ensure that nothing rests on your equipment s cables and that the cables are not located where they can be stepped on or tripped over Ensure that all cables are connected to...

Page 4: ...omponents inside your equipment Under certain conditions ESD may build up on your body or an object such as a peripheral and then discharge into another object such as your computer To prevent ESD damage you should discharge static electricity from your body before you interact with any of your equipment s internal electronic components such as a memory module You can protect against ESD by touchi...

Page 5: ...as risk of electric shock and or fire Ensure that the ground prong of the power plug is inserted into the mating ground contact of the power strip Be sure to grasp the plug not the cable when disconnecting equipment from an electric socket If your equipment uses an AC adapter Use only the Dell provided AC adapter approved for use with this device Use of another AC adapter may cause a fire or explo...

Page 6: ...6 B ZNNY 4 5 SCRW TP B FPH M2 2 4L ZN 3 19 ASSY SHD MAIN 1 6 SCRW TP B FPH M2 4L B ZN 5 20 SCRW TAP P PH W FL M3 6L B ZN 2 7 Panel 1 21 ASSY RC 1 8 ASSY MF 1 22 SCRW FPHM4 10L 7 7 1 6 B ZNNY 4 9 SCRW MACH FLATM3 0 5P 4 5L ZN 9 23 CLMN 1 10 SCRW PH INT TOO M3 9TP S C ZN 6 24 BASE 1 11 FFC LVDS 1 25 Power cable 1 12 MYLAR SAFETY 1 26 DisplayPort cable 1 13 PCBA SPS BD 1 27 VGA cable 1 14 PCBA USB BD...

Page 7: ... 7 3 Wiring connectivity diagram Wire 1 FFC 1 FFC 2 ...

Page 8: ...ellow 1 Working table 2 Philips head screwdriver 3 Hex head screwdriver 4 Glove 5 Cleaning cloth 6 ESD protection Item Picture Operation Tool Notes 1 To remove the stand 1 Place the monitor on a soft cloth or cushion 2 Press and hold the stand release button 3 Lift the stand up and away from the monitor 2 1 Unlock 4 screws on Rear Cover Philips head screwdriver Torsion of screw 8 5 1 0Kg 3 1 Disas...

Page 9: ...l out LED Backlight wire from SPS BD 3 Pull out CTRL BD FFC cable from I F BD and tear off it from Main SHD 4 Pull out USB BD cable from I F BD 6 1 Tear off 2 large acetate adhesive tapes from the Panel 7 1 Tear off aluminum foil and tape from LVDS cable 2 Pull out the LVDS cable from Panel 3 Take off Main SHD ...

Page 10: ...ock 4 hexagonal screws from Main SHD 1 Philips head screwdriver Torsion of PCB screw 6 5 1 0Kg 2 Hex head screwdriver Torsion of hex screw 5 0 0 6Kg 9 1 Disassemble I F BD from Main SHD and unplug SPS BD wire 2 Unplug FFC LVDS cable from I F BD 3 Disassemble SPS BD from Main SHD ...

Page 11: ...ewdriver 4 Glove 5 Cleaning cloth 6 ESD protection Item Picture Operation Tools Notes 1 1 Place Main SHD on the worktable 2 Assemble SPS BD into Main SHD 3 Insert FFC LVDS into I F BD 4 Insert SPS BD to I F BD wire into I F BD 5 Assemble I F BD into Main SHD 6 Lock 6 PCBA screws 7 Lock 4 hexagonal screws 1 Philips head screwdri ver Torsion of PCB screw 6 5 1 0Kg 2 Hex head screwdri ver Torsion of ...

Page 12: ...ape on LVDS cable to fix it then stick a piece of large aluminum foil to cover it 4 1 Place Main SHD on Panel 2 Stick 2 tapes to fix Main SHD 5 1 Stick an acetate adhesive tape on Panel 2 Insert LED Backlight Wire into SPS BD 3 Insert CTRL BD FFC wire into I F BD and paste CTRL FFC wire on Main SHD 4 Insert FFC USB BD cable into USB BD and I F BD ...

Page 13: ...ver Torsion of screw 8 5 1 0Kg 9 To attach the monitor stand 1 Insert the stand base blocks fully into the stand slot 2 Lift the screw handle and turn the screw clockwise 3 After fully tightening the screw fold the screw handle flat within the recess 10 Attach the stand assembly to the monitor 1 Fit the two tabs on the upper part of the stand to the groove on the back of the monitor 2 Press the st...

Page 14: ... 14 5 Trouble shooting instructions ...

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