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Maintenance and Service Guide 

E22 G4 model

 

 

 
 

 
 
 
 
 

 
 
 
 
 
 

SUMMARY 

This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem 
troubleshooting, and more. 

Summary of Contents for E22 G4

Page 1: ...Maintenance and Service Guide E22 G4 model SUMMARY This guide provides information about spare parts removal and replacement of parts diagnostic tests problem troubleshooting and more ...

Page 2: ...tates and other countries The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein First ...

Page 3: ...atures 4 Front components 5 Rear components 6 Locating the serial number and product number 7 3 Illustrated parts catalog 8 How to order parts 9 4 Removal and replacement procedures 11 Preparation for disassembly 11 Rear cover 11 Power board 15 Connector repair 16 USB 3 0 TYPE B CN7732 17 Repair the usb connector 17 USB 3 0 TYPE A CN103 18 VGA CN503 18 HDMI connector CN502 18 DP connector CN501 19...

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Page 5: ...pening the product s cabinet Modules containing electrical components are sensitive to electrostatic discharge ESD Follow ESD safety procedures while handling these parts Some products contain more than one battery Do not disassemble or expose a battery to high temperatures such as throwing into fire or the battery may explode Refer to government requirements for battery recycling or disposal This...

Page 6: ...tion of Hazardous Substance in Electrical and Electronic Equipment Directive is a legal requirement by the EU European Union for the global electronics industry sold in the EU and other countries Any electrical and electronics products launched in the market after June 2006 should meet this RoHS requirement Products launched in the market before June 2006 are not required to be compliant with RoHS...

Page 7: ...3 product before returning it to the customer ...

Page 8: ...e included VGA video input cable included in select regions USB hub with one USB Type B port cable included that connects to the computer upstream and four USB ports that connect to USB devices downstream Four on screen display OSD buttons three that you can reconfigure to quickly allow selection of the most commonly used operations Plug and Play capability if supported by your operating system VE...

Page 9: ...5 Front components To identify the components on the front of the monitor use this illustration and table Press the power button on the bottom of the monitor to turn it on ...

Page 10: ...isplayPort connector Connects the DisplayPort cable to a source device such as a computer or game console 5 HDMI port Connects the HDMI cable to a source device such as a computer or game console 6 VGA port Connects the VGA cable to the source device 7 USB Type B port upstream Connects the USB Type B cable to a source device such as a computer or game console 8 USB ports 2 downstream Connect a USB...

Page 11: ...erial number and product number are located on a label on the rear of the monitor or on a label under the front bezel of the monitor head You might need these numbers when contacting HP about the monitor For worldwide models except India Barcode label and spec label For India N A ...

Page 12: ...onitor major components use this illustration and table item part name q ty 1 HP LOGO 1 2 DECO 1 3 LENS POWER 1 4 PANEL 1 5 MYLAR 1 6 POWER BOARD 1 7 SCALAR BOARD 1 8 MYLAR 1 9 MAINFRAME 1 10 MIDDLE FRAME 1 11 USB BOARD 1 12 USB SHIELD 1 13 SPRING 2 ...

Page 13: ...key com Capacitors by distributor Component description Location Component distributor Distributor part number 470uF 20 25V 10 12 5 5000hr 1450mA C904 RS EEUFR1E471 470uF 20 25V 10 12 10000hr 1 7A P5 0 C916 RS NRZJ471M25V10X12 5F Connectors by manufacturer Component description Location identifier Component distributor Distributer part number USB 3 0 TYPE A R A 18P H16 42MM CN103 DK WM10420 ND 048...

Page 14: ... and regulatory requirements accordingly if it doesn t match exactly You can purchase cables from the HP part store at https partsurfer hp com Search aspx NOTE HP continually improves and changes product parts For complete and current information about supported parts for your computer go to http partsurfer com select your country or region and then follow the on screen instructions Internal and E...

Page 15: ...ter of this guide Clean the room for disassembly Identify the disassembly area Check the position that the monitors are to be placed along with the number of monitors Prepare the area for material flow according to the disassembly layout Be sure to have the following equipment and materials Press fixture Working table Screwdriver Knife Gloves Cleaning cloth ESD protection Scraper bar in the follow...

Page 16: ...cover Step Figure Description Remove the HINGE ASS Y Remove the hinge assy by press the hook on the rear cover Remove the rear cover Remove the rear cover screws by the screwdriver Remove the rear cover from the top side ...

Page 17: ...13 disconnect the connectors Disconnect the connecters Remove the mylar Tear out all tapes and disconnect the connectors by hand ...

Page 18: ...he power board Remove the screws by the screwdriver Remove the main board Remove the screws by the screwdriver Remove the hex screws by the hex screwdriver Remove the USB board Remove the screws by the screwdriver ...

Page 19: ...ower board follow these steps Prepare the monitor for disassembly See Preparation for disassembly on page 11 Remove the power board 1 The HP E22 G4 power board connector position is as follows Locate the part number location on the board Warning after unplug the power supply the capacitance is still chagred do not touch and discharge the capacitor ...

Page 20: ...6H0FD The connectors identifiers are as follows Connector Location Display Port CN501 HDMI CN502 VGA CN503 USB 3 0 TYPE B CN7732 USB 3 0 TYPE A CN103 Before repairing connectors follow these steps Prepare the monitor for disassembly See Preparation for disassembly on page 11 IMPORTANT Repair Condition Connector repair is only for out of warranty ...

Page 21: ...evealed look in good condition After repaired must connect source to each port to check Main board function is ordinary Note The requirement of professional repairers regulation by ERP lot5 1 The professional repairer has the technical competence to repair electronic displays and complies with the applicable regulations for repairers of electrical equipment in the Member States where it operates R...

Page 22: ...onent on the PCB Be sure that it matches the PCB footprint 4 Solder the new component VGA CN503 Repair the VGA connector 3 Use a hot air gun to melt the solder on the pins Pin solder with soldering iron and absorber You can gently push down with the soldering iron once everything is molten to move the CN503 out of the through holes 4 Lift the CN503 connector from the PCB 3 Place the new component ...

Page 23: ...the pins 3 Lift the CN502 connector from the PCB 4 Place the new component on the PCB Be sure that it matches the PCB footprint Solder the new component DP connector CN501 Repair the DP connector 1 Use a soldering iron and a desoldering pump to remove as much solder as possible from the pin 2 Use a hot air gun to melt the solder on the pins ...

Page 24: ...VD player DP test Confirm whether image displays and sound plays correctly on the monitor Computer or DVD player Audio test Change volume and balance to confirm whether volume is smooth and loud enough Speaker Table 4 2 Solving common problems Problem Possible cause Solution Screen is blank or video is flashing Power cord is disconnected Connect the power cord Monitor is off Power the power button...

Page 25: ...ect the video cable Input Signal Out of Range is displayed on screen Video resolution and or refresh rate are set higher than what the monitor supports Change the settings to a supported setting The monitor is off but it did not seem to enter into Sleep mode The monitor s power saving control is disabled Open the OSD menu and select Power Control Auto Sleep Mode and set auto sleep to On On Screen ...

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