Dell S2421HS Скачать руководство пользователя страница 5

  4. Disassembly and Assembly Procedures

3

1

2

Unplug the LVDS cable from the connector of the 

panel module by pushing the earing-locks.

Lift up the middle bezel and take away the middle 

bezel, and put it on a fixture. U

tear off the tapes for releasing the key cables.

se a Philips-head 

screwdriver to remove 3pcs screws for unlocking the 

function key board with the middle bezel, and then 

(No.1~3 screw size=M2x2.4, Torque=0.8

±

0.2kgfxcm

L

tear off the tape.

ift up the panel module with the bracket chassis for 

releasing the front bezel away from the panel 

module, and then 

S7

S8

S9

Take away the bracket chassis module and then put 

the bracket chassis module on a protective cushion.

Use a Philips-head screwdriver to remove 5pcs 

screws for unlocking the circuit board, release all the 

cables from the hooks.

(No.1 screw size=M4x8, Torque=6

±

0.5kgfxcm; 

 No. 2~5 screw size=M3x7.5, Torque=6

±

0.5kgfxcm)

 S12

Remove the Mylar from the hooks of the bracket 

chassis module

 S11

S10

3

2

2

5

1

Содержание S2421HS

Страница 1: ...ipment or products It is recommended that service engineers should have repairing knowledge experience as well as appropriate product training per new model before performing the service procedures NOTICE To avoid electrical shocks the products should be connected to an authorized power cord and turn off the master power switch each time before removing the AC power cord To prevent the product awa...

Страница 2: ...2 Exploded view diagram with list of items ...

Страница 3: ...3 Wiring Connectivity Diagram Panle 1920 1080 Power Board HDMI DP Line Out FK BD KB1 Interface Board ...

Страница 4: ...wdriver to remove 4pcs screws for unlocking mechanisms No 1 4 screw size M4x11 Torque 7 8kgfxcm 2 3 4 1 1 3 2 2 S4 S5 S6 Tear off 2pcs aluminum foils and then disconnect the function key cable away from the connector of the board Disconnect the panel lamp cable and function key cable away from the connectors of the panel module and board Use a Philips head screwdriver to remove 2pcs screws for unl...

Страница 5: ...n No 1 3 screw size M2x2 4 Torque 0 8 0 2kgfxcm L tear off the tape ift up the panel module with the bracket chassis for releasing the front bezel away from the panel module and then S7 S8 S9 Take away the bracket chassis module and then put the bracket chassis module on a protective cushion Use a Philips head screwdriver to remove 5pcs screws for unlocking the circuit board release all the cables...

Страница 6: ...4 Disassembly and Assembly Procedures Remove the interface board and power board from the bracket chassis module carefully and disconnect all the cables S13 ...

Страница 7: ...into the hook of the bracket chassis Place a bracket chassis base on a protective cushion 4 2 Assembly Procedures S2 S1 Take a interface board connect a LVDS cable to the connector of the interface board then connect the cable of the power board to the connector of the interface board Turn over the interface board and locate it into the bracket Use a Philips head screwdriver to tighten 5pcs screws...

Страница 8: ...ape then assemble the middle bezel with the front bezel and panel module 3 1 2 S11 S10 S9 Take 1pcs front bezel then lift up the panel with bracket and assemble the front bezel with the panel module Paste 1pcs tape to cover the LVDS connector S8 2 1 S13 S14 S12 Paste 1pcs aluminum foil to fix bracket chassis as the picture below shown Paste 1pcs aluminum foil to cover the LVDS connector Connect th...

Страница 9: ...gement S15 S16 2 3 4 1 L front bezel with panel module then provide power supply and a video signal to the monitor then turn on the monitor for functionality check ift up the monitor to checking the gap between the S18 Stick 2pcs labels on the specific positions as the picture below shown Take 1pcs stand riser and 1pcs stand base assemble the stand base with stand riser then rotate the screw clock...

Страница 10: ...sly scroll through the screen S2421HS S2421HSX S2721HS S2721HSX Dell 24 Monitor The display will go into Standby mode in 4 minutes No DP Cable www dell com S2421HS www dell com S2421HSX S2421HS S2421HSX or Dell 24 Monitor No HDMI Cable www dell com S2421HS S2421HS S2421HSX www dell com S2421HSX The display will go into Standby mode in 4 minutes Dell 27 Monitor No DP Cable www dell com S2721HS www ...

Страница 11: ...broken pins in the video cable connector Run the built in diagnostics Ensure that the correct input source is selected in the Input Source menu Missing pixels LCD screen has spots Cycle power on off Pixel that is permanently off is a natural defect that can occur in LCD technology For more information about Dell Monitor Quality and Pixel Policy see Dell Support site at https www dell com support m...

Страница 12: ...s connected properly and is secure Check for bent or broken pins in the video cable connector Wrong color Picture color not good Change the settings of the Preset Modes in the Color menu OSD depending on the application Adjust R G B value under Custom Color in Color menu OSD Change the Input Color Format to PC RGB or YPbPr in the Color menu OSD Run the built in diagnostics Image retention from a s...

Страница 13: ...tor power cable plug it back and then turn on the monitor No Input Signal when user controls are pressed No picture the LED light is white Check the signal source Ensure that the computer is not in the power saving mode by moving the mouse or pressing any key on the keyboard Check whether the signal cable is plugged in properly Re plug the signal cable if necessary Reset the computer or video play...

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