Dell E2420HS Istruzioni per l’uso

Simplified Service Manual

LCD Monitor

E2420HS

Simplified Service Manual

Service Manual Versions and Revision

No.

Version

Release Date

Revision

1.0

2.0

2020/03/20

2021/03/15

Initial Release

ErP lot 5 additional requirements

Simplified Service Manual

1. IMPORTANT SAFETY NOTICE ............................................................................................................................................................... 4

2. EXPLODED VIEW DIAGRAM WITH LIST OF ITEMS ...................................................................................................................................... 4

3. WIRING CONNECTIVITY DIAGRAM........................................................................................................................................................ 5

4. LIST OF TOOLS /EQUIPMENT .............................................................................................................................................................. 5

5. DISASSEMBLY AND ASSEMBLY PROCEDURES .......................................................................................................................................... 6

6. TROUBLE SHOOTING INSTRUCTIONS ..................................................................................................................................................... 8

Simplified Service Manual

1. Important Safety notice

2. Exploded view diagram with list of items

E2420HS .pdf

Simplified Service Manual

3. Wiring connectivity diagram

4. List of tools / equipment

1. Philips-head screwdriver

2. Hex-head screwdriver

Simplified Service Manual

5. Disassembly and Assembly Procedures

keypad board* 1

FINAL ASSY *1

Chassis* 1

Power board* 1

CHASSIS ASSY *1

STAND ASSY *1

B A G, PL A ST I C, L 140x

W220* T 0.05mm* 1

BACK COVER ASSY*1

V E SA cover* 1

F ront bezel *1

OSD button*1

FRONT BE ZEL ASSY *1

MY LAR FOR CHASSIS*1

SCREW,F,CROSS,T.T-2*3,BLK*

Power button*1

Panel A SS Y *1

DELL Logo*1

Panel * 1

B A CK COV E R *

FFC-CABLE*1

SCREW ,P,CROSS M3*6,ZN-CC*

BOLT,#4-40x11.8,Ni FOR D-SUB/DVI

CONN.RO*

I/F BOARD*1

MY L A R B OT T OM*1

MYLAR FOR PANEL*1

V E SA COV E R ASSY *1

SCREW,I,CROSS,M4*10,BLK-NL

Lable Left*1

SCREW,I,CROSS,M4*4.5,BLACK,NL

HF (NYLOK) *2

LIGHT BAR*1

KEYPAD WIRE*1

LVDS WIRE*1

SCREW ,P,CROSS M3*6,ZN-CC*3

SCREW,PW,CROSS M4X9,Zn-CC*1

SCREW,P,CROSSW/WAS,T3X6,BLACK-ZN) *6

SPEAKER*2

TAPE MYLAR 20x7xT0.1.BLACK*1

FOIL,AL,DOUBLE COND,70*35*T0.07mm*3

FOIL,AL,DOUBLE COND,120*40mm*0.07mm*2

TAPE,ACE,60*20 MM,E232,HF *1

TAPE,W60*L30mm,HH,LP23F6,HF *1

GASKET,L50*W10*H3mm,LP23C3,HF,FOR CQ *1

Note:1. The arrows point out the direction of disassembly.

Disassemble the slot of Back cover from monitor

Simplified Service Manual

FFC-CABLE*1

SCREW ,P,CROSS M3*6,ZN-CC*1

BOLT,#4-40x11.8,Ni FOR D-SUB/DVI

CONN.RO*2

PANEL ASSY

BACK COVER ASSY *1

keypad board* 1

Chassis*1

I /F board*1

Power board*1

panel * 1

CHASSIS ASSY

V E SA C OV E R* 1

F ront bezel * 1

FRONT BEZEL ASSY

FI NAL

ASSY *1

OSD button * 1

STAND ASSY

Power button * 1

DELL Logo*1

E2420HS,BRACKET,LE24SF,HF*1

MYLAR FOR PANEL*1

SCREW,F,CROSS,T.T-2*3,BLK*

LIGHT BAR*1

KEYPAD WIRE*1

BAG,PL ASTIC,

L 140xW220*T 0.05mm* 1

VESA COVER ASSY

E2420HS,MAIN CHASSIS*1

MYLAR FOR CHASSIS BOTTOM*2

MYLAR FOR CHASSIS*1

LVDS WIRE*1

SCREW,I,CROSS,M4*10,BLK-NL*4

LBL,AGENCY*1

SCREW,I,CROSS,M4*4.5,BLACK,NL

HF (NYLOK) *2

SCREW ,P,CROSS M3*6,ZN-CC*3

SCREW,PW,CROSS M4X9,Zn-CC*1

SCREW,P,CROSSW/WAS,T3X6,

BLACK-ZN) *6

SPEAKER*2

LBL,PPID*1

TAPE MYLAR 20x7xT0.1.BLACK*1

FOIL,AL,DOUBLE COND,70*35*T0.07mm*3

FOIL,AL,DOUBLE COND,120*40mm*0.07mm*2

TAPE,ACE,60*20 MM,E232,HF *1

TAPE,W60*L30mm,HH,LP23F6,HF *1

GASKET,L50*W10*H3mm,LP23C3,HF,FOR CQ *1

Simplified Service Manual

6. Trouble shooting instructions

Simplified Service Manual

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