Dell P2721Q Instructions for use

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Simplified Service Manual
LCD Monitor
P2721Q

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Service Manual Versions and Revision
No.
Version
Release Date
Revision
1
2
1.0
2.0
2020/03/20
2021/03/15
Initial Release
ErP lot 5 additional requirements

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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 ............................................................................................. ERROR!BOOKMARK NOT DEFINED.

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Simplified Service Manual
1. Important Safety notice
2. Exploded view diagram with list of items
P2721Q.pdf

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3. Wiring connectivity diagram
4. List of tools / equipment
1. Philips-head screwdriver
2. Hex-head screwdriver

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5. Disassembly and Assembly Procedures
Note:1. The arrows point out the direction of disassembly.
Disassemble the slot of Back cover from monitor
FINAL
ASSY *1
STAND ASSY *1
SCR E W, I , CROSS, M3* 4 ZN-CC* 15
PANEL ASSY
*1
CHASSIS ASSY *1
BACK COVER ASSY*1
SCREW,I,CROSS,M4*10,BLK -NL *
BACK COVER,LGD,L5,LE27SW,HF*1
D52K 6, RE A R L OGO, B DG, PE T ,Ci rcl e, 50mm* 1
K -L OCK PL A TE ,SGCC,T0. 5,L 5,L E 22SD* 1
POWE R B UT T ON, F S, L E 27SW, HF * 1
RELEASE BUTTON,FS,LE27SW,HF*1
SPRING,Φ0.5* D5* H17,HH,LE27SW,HF* 2
SCREW,I,CROSS,T3*8,BL K-ZN*2
NA V I K E Y B UT T ON, F S, L E 27SW, HF * 1
K E Y PA D ME T A L , L 5, L E 27SW, HF * 1
SCREW ,I, CROSS T,T3*6 ZN CC*2
T APE , ACE , 30x50mm, L E 24SF,HF *2
T A PE , A CE , 28x34mm, L P2296 * 1
FOI L , A L , DOUB L E COND,30* 10mm* 0.1mm * 1
T APE , ACE , W80xL 30mm,L E 22PJ ,F S, HF * 1
LE27SW DISASSEMBLY BLOCK
panel * 1
MYLAR PANEL,LE27SW,HF *1
MYLAR SIDE HOLE,LE27SW,HF *1
Power B OA R D*1
- LIGHT BAR CABLE*1
- SCREW ,P,CROSS M3*6,ZN-CC *4
- SCREW,PW,CROSS M4X9,Zn-CC *
I /F B OA R D *1
- E DP CABL E*1
- KEY PAD CABLE*1
- SIDE USB CABLE*1
- SCREW ,P,CROSS M3*6,ZN-CC*4
CHASSIS *1
-MY L AR CHASSI S,L E27SW,HF *1
-MY L A R SI DE HOL E -1,L E 27SW, HF *2
-MY L A R SI DE HOL E -2,L E 27SW, HF *1
-MY L A R C HASSI S B AC K ,L E 27SW,HF *2
MID FRAME ASSY*1
MI D F RA ME ST ATOR, L 5,L E 27SW,HF * 2
STEEL PLATE,L5,LE27SW,HF
*2
MI D F RA ME ,L 5,L E 27SW,HF * 1
SCREW,I,CROSS,T2*3,Zn-Cc,ROHS *
ASSY ,LENS,FS,L E27SW,HF *1
SCREW ,I, CROSS T,T3*6 ZN CC *1
FRONT TRIM ASSY *1
T A PE ADHE NSI V E , L 607W10T 0. 15,L E 27SW * 1
F RONT B R A CK E T , L 5, L E 27SW, HF
*1
FRONT TRIM,L5,LE27SW,HF *1
SL I DE R ,F S, L E 27SW,HF *1
L ED BOARD *1

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LE27SW ASSEMBLY BLOCK
PANEL ASSY *1
panel * 1
CHASSIS ASSY *1
FI NAL ASSY *1
STAND ASSY
*1
FRONT TRIM ASSY
*1
SCRE W, I , CR OSS, M3* 4 ZN-CC* 15
CHASSIS *1
-MY L AR CHASSIS,L E27SW,HF
*1
-MY L A R SI DE HOL E -1,L E 27SW,HF *2
-MY L A R SI DE HOL E -2,L E 27SW,HF
*1
-MY L AR CHA SSI S B ACK ,L E 27SW,HF
*2
MYLAR PANEL,LE27SW,HF *1
MY L AR SIDE HOL E,L E 27SW,HF *1
I /F board *1
- E DP CABLE*1
- KEYPAD CABLE*1
- SIDE USB CABL E*1
- SCREW ,P,CROSS M3*6,ZN-CC*4
Power B OA R D *1
- LIGHT BAR CABLE*1
- SCREW ,P,CROSS M3*6,ZN-CC *4
- SCREW,PW,CROSS M4X9,Zn-CC*
T A PE , ACE , 30x50mm, L E 24SF ,HF * 2
T A PE , A CE , 28x34mm, L P2296 * 1
F OI L , A L , DOUB L E C OND, 30* 10mm* 0. 1mm * 1
T APE ,ACE ,W80xL 30mm,L E22PJ,FS,HF * 1
T A PE A DHE NSI V E , L 607W10T 0.15, L E 27SW * 1
FRONT BRACKET,L5,LE27SW,HF
*1
FRONT T RI M,L 5,L E 27SW,HF *1
MI D F RA ME ST ATOR,L 5,L E 27SW,HF * 2
STEEL PLATE,L5,LE27SW,HF
*2
MI D F RA ME ,L 5,L E 27SW,HF * 1
SCREW,I,CROSS,T2*3,Zn-Cc,ROHS *
ASSY ,L ENS,FS,L E27SW,HF *1
SCR E W , I , CR OSS T , T3* 6 ZN CC * 1
MID FRAME ASSY*1
BACK COVER,LGD,L5,LE27SW,HF*1
D52K 6,R E AR L OGO,B DG,PE T ,Circle,50mm* 1
K -L OC K PL A T E , SGCC ,T 0.5,L 5,L E 22SD* 1
POWER BUTTON,FS,LE27SW,HF*1
REL EASE BUTTON,FS,L E27SW,HF*1
SLIDER,FS,L E27SW,HF*1
SPR I NG,Φ0.5* D5* H17,HH,L E27SW,HF* 2
SCREW,I,CROSS,T3*8,BLK -ZN*2
NAVIKEY BUTTON,FS,LE27SW,HF*1
K E Y PA D ME T AL ,L 5,L E 27SW,HF*1
SCREW ,I, CROSS T,T3*6 ZN CC*2
BACK COVER ASSY*1
SCREW,I,CROSS,M4*10,BLK-NL *
L ED BOARD *1

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6. Trouble shooting instructions

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