Dell U3425WE UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service
Dell U3425WE Manual
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Dell U3425WE manual content summary:
- Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 1
Service Manual-U3425WEB Version: 01 Date:2023/11/09 - 1 - - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 2
Content Index 1. General Safety Instructions 3 1.1 SAFETY: General Safety 3 1.2 SAFETY: General Power Safety 5 2. Exploded view diagram with list cable 9 5. Disassembly and Assembly Procedures 12 5.1 Disassembly SOP 12 5.2 Assembly SOP ...17 6. Trouble shooting instructions 22 - 2 - - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 3
Safety Instructions Use the following safety guidelines to help ensure your own personal safety and to help protect your equipment and working environment from potential damage. NOTE: In this section, equipment refers to monitors. IMPORTANT NOTICE FOR USE IN HEALTHCARE ENVIRONMENTS: Dell products - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 4
use liquids or aerosol cleaners, which may contain flammable substances. Clean the monitor display with a soft, clean cloth and water. Apply the water to unplug it immediately and contact an authorized dealer or service center. Protecting Against Electrostatic Discharge Electrostatic discharge ( - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 5
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 explosion. NOTE: Refer to your system rating - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 6
2. Exploded view diagram with list of items 21 22 23 24 25 26 - 6 - - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 7
1. Go to https://www.dell.com/support. 2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom-right corner of the page. 3. Click Contact Us next to the country dropdown. 4. Select the appropriate service or support link based on your need. 5. Choose the method - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 8
3. Wiring connectivity diagram Wire2 FFC 4 FFC 3 FFC 1 FFC 2 Wire1 - 8 - - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 9
4. How to connect and disconnect power cable/ connectivity cable WARNING: To change power cable/ connectivity cable, switch off power before unplugging the cable and replugging in required cable. Connect/ disconnecting the DisplayPort (DisplayPort to DisplayPort) cable and Power cable Connecting/ - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 10
Connecting/ disconnecting the USB-A to USB-C cable and Power cable Connecting/ disconnecting the Thunderbolt™ 4 passive cable and Power cable - 10 - - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 11
Connecting/ disconnecting the monitor for RJ45 cable (optional) and Power cable - 11 - - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 12
other regions. Please note that Dell will deem warranty void if any disassembly is done on the monitors. 5.1 Disassembly SOP Preparation the back of the display Lift the stand assembly up and away from the monitor (Screw Torque:8-10Kgf) S4 Use hands or Bar Scraper to disassemble "Rear Cover - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 13
S5 Pull out "Control board FFC" from "Interface board" to take off "Rear Cover" S7 Unplug "Control board FFC" from "Control board" Tear off "MYLAR LENS" from "Control board" S6 Tear off 2 tapes from "Rear Cover" Tear off "Control board FFC" from "Rear Cover" Unlock 3 screws to disassemble " - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 14
S9 Tear off below mylars from "Main Shielding" a. MYLAR BL b. MYLAR USB c. MYLAR SPK d. MYLAR ALS S12 Tear off an acetate tape from "USB board wire" and "Panel" Unplug 2 "USB board FFC" and "USB Board wire" from "Interface board" Unlock 1 screw to disassemble "USB board" from "Middle Frame" - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 15
S14 Disassemble a "GASKET" from "Panel" S18 Take off "Main Shielding" from "Panel" S15 Unlock 4 screws to disassemble "Main Shielding" from "Panel" S19 Unlock 19 screws to disassemble "Middle Frame" from "Panel" (Screw Torque: 4.5-5.5 Kgf) S16 Tear off an acetate tape from "FFC EDP" and " - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 16
S22 Unlock 10 PCBA screws to disassemble "Interface board", "Power board" and "LED Driver board" from "Main Shielding" S24 Unlock 3 screws to disassemble "Thunderbolt board" from "Interface board" Take off "Thunderbolt board" from "Interface board" (Screw Torque: 8.5±1Kgf) S23 Unplug wires - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 17
" into "Interface board". Assemble "Interface board" to "Main Shielding" (Screw Torque: 8.5±1Kgf) S4 Assemble "MYLAR Power" with "Main Shielding" to cover "Power board" S5 Place U3425WE panel on the curve cushion in original packaging Assemble 6 pieces of "Boss Panel" to "Panel" - 17 - - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 18
S6 Assemble "Middle Frame" to "Panel" Lock 19 screws to fix "Middle Frame" with "Panel" S9 Place "Main Shielding" on "Panel" and lock 4 screws to fix it on "Panel" (Screw Torque: 3.5-4.0 Kgf) S7 Insert "FFC EDP" into "Panel" (Screw Torque: 4.5-5.5 Kgf) S10 Align with "Middle Frame" to assemble - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 19
S12 Assemble "USB board" to "Middle Frame" and fix it by screw*1 Insert 2 "USB board FFC" and "USB board Wire" into "Interface board" Paste an acetate tape to fix "USB board Wire" on "Panel" S14 Assemble "Sensor board" into "Middle Frame" Insert "Ambient Light Sensor FFC" into "Interface board - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 20
S16 Assemble "Speaker" to "Middle Frame" and fix it by screw*6 (See yellow mark) Insert "Speaker Wire" into "Interface board" (See red mark) Adhere 4 tapes to fix "Speaker Wire" on "Panel" (See blue mark) Insert "Backlight Wire" into "LED Driver Board" (See pink mark) S18 Assemble "Control - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 21
S20 Assemble "Rear Cover" with "Middle Frame" S21 Fix "Rear Cover" by screw *4 S23 Attach the stand assembly to the monitor a. Fit the two tabs on the upper part of the stand to the groove on the back of the display b. Press the stand down till - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 22
6. Trouble shooting instructions - 22 - - Dell U3425WE | UltraSharp 34 Curved Thunderbolt Hub Monitor - Simplified Service - Page 23
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Service Manual–U3425WEB
Version: 01
Date:2023/11/09