Dell S3423DWC Service Manual

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1. General Safety Instructions....................................................................................... 2

1.1 SAFETY: General Safety ......................................................................................... 2

1.2 SAFETY: General Power Safety ............................................................................... 4

2. Exploded view diagram with list of items ................................................................ 5

3. Wiring connectivity diagram ..................................................................................... 7

4. How to connect and disconnect power cable/ connectivity cable ........................... 8

5. Mechanical Instruction ............................................................................................ 10

5.1 Disassembly Procedures: .................................................................................... 11

5.2 Assembly Procedures: ......................................................................................... 17

6. Trouble shooting instructions ................................................................................ 22

Model No.: S3423DWC

Regulatory model: S3423DWCc

Content Index

Service Manual

Dell S3423DWC

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Summary of Contents for Dell S3423DWC

Page 1 4. How to connect and disconnect power cable/ connectivity cable ......8 5. Mechanical Instruction .................... 10 5.1 Disassembly Procedures: ..................11 5.2 Assembly Procedures: ..................17 6. Trouble shooting instructions ................22 Model No.: S3423DWC Regulatory model: S3423DWCc  ...
Page 2 IMPORTANT NOTICE FOR USE IN HEALTHCARE ENVIRONMENTS: Dell products are not medical devices and are not listed under UL or IEC 60601 (or equivalent). As a result, they must not be used within 6 feet of a patient or in a manner that directly or indirectly contacts a patient 1.1 SAFETY: General Safety...
Page 3 pool or in a wet basement.  Do not use AC powered equipment during an electrical storm. Battery powered devices may be used if all cables have been disconnected.  Do not spill food or liquids on your equipment.  Before you clean your equipment, disconnect it from the electrical outlet. Clean your device with a soft cloth dampened with water.
Page 4  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 explosion.
Page 5 Exploded view diagram with list of items  ...
Page 6 See “NOTE" NOTE: For replacement of power cord, connectivity cable and external power supply (if applicable), contact Dell: 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.
Page 7 Wiring connectivity diagram Wire 2 FFC 1 Wire 1 Wire 3 Wire 4 FFC 2  ...
Page 8 How to connect and disconnect power cable/ connectivity cable  ...
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Page 10 NOTE: This “Disassembly and Assembly Procedures” is for EMEA only, not for other regions. Please note that Dell will deem warranty void if any disassembly is done on the monitors. Tools Required List the type and size of the tools that would typically can be used to disassemble the product to a point where components and materials requiring selective treatment can be removed.
Page 11 5.1 Disassembly Procedures: Step Figure Remark Turn off power, S1.Before Unplug external disassemble cables from product S2.Remove the STAND-BASE Lay down the MNT on ASS’Y a curve cushion. Push the button to remove the stand-base ass’y. Use a Philips-head screwdriver to remove 4 screws for unlocking mechanisms.
Page 12 Use Penknife to seperate rear cover follow the arrows in sequence, then you can take out rear cover. Tear off 3 pieces of aluminum foil and 6 pieces of tapes. S4.Tear off the tapes and disconnect the Disconnect the pins. connectors Use a Philips-head screwdriver to remove...
Page 13 Use a Philips-head screwdriver to remove 4 screws for unlocking the main frame (No.1~4 screw size=M3x4, Torque: 3±0.5kgf.cm) Tear off tape and disconnect the FFC cable. Remove the mylar Use a Philips-head S6. Remove the screwdriver to remove main board, 12 screws for power board and unlocking the main...
Page 14 Remove the mylar  ...
Page 15 Use a Philips-head screwdriver to remove 18 screws for S7. Remove the unlocking the middle Panel and frame middle frame (No.1~18 screw size=M3x4, Torque=3±0.5kgf.cm) Use a Philips-head screwdriver to remove 5 screws to remove S8.Remove the the DECO_BEZEL. DECO_BEZEL (No.1~5 screw size=Q2x2.5, Torque=0.9±0.3kgf.c Use a Philips-head...
Page 16 Use a Philips-head screwdriver to remove 3 screws for unlocking the key board ( No.1~3 screw size=Q2x2.5, Torque=0.9±0.3kgf.c  ...
Page 17 5.2 Assembly Procedures: Step Figure Remark Use a Philips-head screwdriver to lock 3 screws for tightening the key board. (No.1~3 screw size=Q2x2.5, Torque=0.9±0.3kgf.c Assemble the USB S1.Assemble the board carefully. KEY board, USB board and DECO BEZEL Use a Philips-head screwdriver to lock 2 screws for tightening the deco bezel.
Page 18 Use a Philips-head screwdriver to lock 18 screws to assemble the middle frame. (No.1~18screw size=M3x4, Torque=3±0.5kgf.cm) Paste the mylar Connect the connectors S3.Assemble the main board, power board and converter board  ...
Page 19 Use a Philips-head screwdriver to lock 12 screws for locking the main board, power board and converter board (No.1~11 screw size=D3x6, Torque=6±1kgf.cm No.12 screw size=M4x6, Torque=6±1kgf.cm Paste the mylar. Connect the FFC cable and paste the tape. Use a Philips-head screwdriver to lock 4 screws for locking the main frame.
Page 20 Use a Philips-head screwdriver to lock 4 screws for assembling S4. Assemble the the speakers. speakers (No.1~4 screw size=M3x6, Torque: 4±1kgf.cm) Connect the pins S5. Connect the connectors and paste the tapes Paste 3 pieces of aluminum foil and 6 pieces of tapes.
Page 21 S7.Assemble the Assemble the stand- Stand base ass’y base ass’y  ...
Page 22 Trouble shooting instructions  ...
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