Dell E1920H User manual

Service Manual
1
Service Manual
LCD Monitor
E1920H

Service Manual
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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

Service Manual
3
1. IMPORTANT SAFETY NOTICE ............................................................................................................................................................... 4
2. EXPLODED VIEW DIAGRAM WITH LIST OF ITEMS...................................................................................................................................... 5
3. WIRING CONNECTIVITY DIAGRAM ....................................................................................................................................................... 7
4. HOW TO CONNECT &DISCONNECT POWER CABLE/CONNECTIVITY CABLES ................................................................................................... 8
5. LIST OF TOOLS /EQUIPMENT.............................................................................................................................................................. 9
6. DISASSEMBLY AND ASSEMBLY PROCEDURES .........................................................................................................................................10
7. TROUBLE SHOOTING INSTRUCTIONS....................................................................................................................................................12

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Service Manual
1.Important Safety notice

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2.Exploded view diagram with list of items
8 9
10 1A52CTQ00-600-G
11 12 3C0708E00-JRY-G 13
FRONT LOGO,ELECTROFORMED,22mm,LP34QC,HF 50111P34QC00H45 PCBA,KEYPAD BOARD PANEL 71408E19SC01R00
7B175P400-JRS-G
PCBA,POWER BOARD
7B175P800-JRS-G 7B175P700-JRS-G 7B175P200-JRS-G
1B43KLJ00-600-G
ASSY,E1920H,BACK COVER,CMMSG MESD,LE19SC,HF
E1920H,BACK COVER,CMMSG MESD,LE19SC,HF 1B51UC500-600-G
1
1
K-LOCK PLATE,SGCC,T0.5,CMMSG MESD,LE22SD 1B43KKR00-600-G 1
ASSY,E1920H,STAND,JAR,LE19SC,HF 1A52CS500-80Q-G
REAR LOGO,ELECTROFORMED,45mm,LE19SC,HF
1B51UC900-JRS-G
ASSY,E1920H,VESA COVER,FS,LE19SC,HF
1 1 1
SCREW ,P,CROSS M3*6,ZN-CC
S-4
509116307701H01 5
SCREW,I,CROSS,M4*10,BLK-NL
S-5 509012307000H01
2
BOLT,#4-40x11.8,Ni FOR D-SUB/DVI,C1018 509B96712300H09
4
1
POWER BUTTON,FS,LE22SD,HF 1
1 1
NO. Designation Identification NO. Q't NO.
1
1 1
SCREW,PW,CROSS M4X9,Zn-CC
7
MYLAR FOR PANEL
1
E1920H,MAIN CHISSIS,CMMSG MESD,LE19SC,ROHS
SCREW,I,CROSS,T2*3,Zn-Cc,ROHSS-1
S-2
5 6
1 1 1
S-3
2
1
1 2 2
1A52CS700-600-G
MYLAR FOR CHASSIS TOP
1B51U9E00-JRS-G
MYLAR FOR CHASSIS
Designation Identification NO. Q't
509212103500R01 509116609200H20
3 1
OSD BUTTON,FS,LE22SD,HF 1B51U9F00-JRS-G E1920H,FRONT BEZEL,CMMSG MESD,LE19SC,HF 1B51UC800-600-G PCBA,I/F BOARD MYLAR FOR CHASSIS BOTTOM
4
3
ASSY,E1920H,FRONT BEZEL,CMMSG MESD,LE19SC,HF

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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.
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 of contacting Dell that is convenient for you

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3.Wiring connectivity diagram

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4.How to connect & disconnect power cable/connectivity
cables

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5.List of tools / equipment
1. Philips-head screwdriver
2. Hex-head screwdriver

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6.Disassembly and Assembly Procedures
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.
keypad board*1
FIN A L A SSY *1
C hassis*1
Pow erboard*1
C H A SSIS A SSY *1
STA N D A SSY *1
(BA G ,PLA STIC *1
B A C K C O V ER ASSY*1
V ESA cover*1
Frontbezel*1
O SD button*1
FR O N T BEZEL A SSY *1
(SC R EW ,F,C R O SS,T.T-2*3,B LK )*3
TAPE MYLAR 20x7xT0.1.BLACK*1
Pow erbutton*1
PanelA SSY *1
D ELL Logo*1
Panel*1
B A C K C O V ER *1
FFC-CABLE*1
(SCREW ,P,CROSS M3*6,ZN-CC)*1
(BOLT,#4-40x11.8,Ni FOR D-SUB/DVI
CONN.RO )*2
I/F BOARD*1
M Y LA R TO P*2
M Y LA R FO R PA N EL*1
V ESA C O V ER A SSY *1
(SCREW,I,CROSS,M4*10,BLK-NL )*4
SAFETY LABLE*1
PPID LABLE*1
LIGHT BAR WIRE*1
KEYPAD WIRE*1
(FOIL,AL,DOUBLE COND,90*50*T0.07mm)*1
(TAPE,W60*L30mm,HH,LP23F6,HF)*2
(TAPE,ACE,30x50mm, LE24SF,HF)*1
LVDS WIRE*1
(SCREW ,P,CROSS M3*6,ZN-CC)* *1
M Y LA R B O TTO M *2
M Y LA R FO R C H A SSIS*1
GASKET,L15*H10*W10,LE24SF,HF*1
[NOTE]BOE Panel Only
Note: 1. The arrows point out the direction of disassembly.
Disassemble the slot of Back cover from monitor