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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.
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Devices, Inc. Bluetooth is a trademark owned “Important Safety Information”. by its proprietor and used by HP Inc. under license. NVIDIA is a trademark and/or registered trademark of NVIDIA Corporation in the U.S. and other countries. USB Type-C and USB-C are registered trademarks of USB Implementers Forum.
Table of Contents 1. Getting started ......................................1 Important safety information ................................1 Important service information and precautions ........................... 1 RoHS (2002/95/EC) requirements ..............................2 General descriptions ..................................2 Firmware updates ....................................2 Before returning the repaired product to the customer ......................2 2.
1. Getting started Read this chapter to learn about safety information and where to find additional HP resources. Important safety information Carefully read the cautions and notes within this document to minimize the risk of personal injury to service personnel.
Level 2: Circuit board or standard parts replacement Firmware updates Firmware updates for the monitor are available at support.hp.com. If no firmware is posted, the monitor does not need a firmware update. Before returning the repaired product to the customer Perform an AC leakage current check on exposed metallic parts to be sure the product is safe to operate without the potential of electrical shock.
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product before returning it to the customer.
Removable stand for flexible monitor head mounting solutions HP Quick Release 2 device to quickly attach the monitor head to the stand with a simple click, and then remove it with the convenient sliding tab release DisplayPort™ video input (cable included) ...
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.
Rear components To identify the components on the rear of the monitor, use this illustration and table. Table 1-1: Rear components and their descriptions Component Function Security cable slot Connects an optional security cable. Power connector Connects the power cord VESA release button Connects the DisplayPort cable to a source device such as a computer or game console...
Depending on the product, the serial 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.
3. Illustrated parts catalog To identify the monitor major components, use this illustration and table. item part name q'ty HP LOGO DECO LENS POWER PANEL MYLAR POWER BOARD SCALAR BOARD MYLAR MAINFRAME MIDDLE FRAME USB BOARD USB SHIELD SPRING...
SCREW M3 X6 SCREW M4 X6 SCREW M3 X4 SCREW Q3 X4 SCREW M4 X4 How to order parts The HP authorized repair center can purchase the adaptor from HP. Power board Description HP spare part number Manufacturer part number E22 G4...
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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.
4. Removal and replacement procedures Adherence to these procedures and precautions is essential for proper service. Preparation for disassembly Use this information to properly prepare to disassemble and reassemble the monitor. Read the “Important safety information” and “Important service information and precautions” sections in the “Getting started”...
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Remove the Rear cover: Step Figure Description Remove the hinge assy by Remove the press the HINGE ASS'Y hook on the rear cover . Remove the Remove the rear rear cover cover screws by the screwdriver. Remove the rear cover from the top side...
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disconnect connectors Disconnect connecters Remove the mylar Tear out all tapes and disconnect connectors by hand...
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Remove the power board Remove the screws by the screwdriver Remove the Remove the main screws by the board screwdriver Remove the hex screws by the hex screwdriver Remove the Remove the USB screws by the board screwdriver...
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: arning : after unplug the power supply, the capacitance is still chagred, do not touch and discharge the capacitor...
Connector repair This procedure includes HDMI, Display Port , USB and VGA connectors. The connectors are on the main board (board part numberCBPCNA6H0FD). The connectors identifiers are as follows: Connector Location Display Port CN501 HDMI CN502 CN503 USB 3.0 TYPE B CN7732 USB 3.0 TYPE A CN103...
• Repairing must operate by professional repairers (Note) in repair center, not applicable for end user. • Electrostatic protection is required when component replacement is required. • The monitor meets ROHS, please use Lead-free solder wire for soldering. • If Connector need to replace, must check specification and part number whether match the BOM and location.
USB 3.0 TYPE A CN103 Repair the audio connector: 1) 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 CN103 out of the through holes. 2) Lift the CN103 connector from the PCB.
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. 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.
3) Lift the CN501 connector from the PCB. 4) Place the new component on the PCB. Be sure that it matches the PCB footprint. 5) Solder the new component. Function test Table 4-1: Function test Test item Operating description Tool used HDMI test Confirm whether image displays and sound Computer or DVD player...
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or move the mouse to exit Sleep mode. Video card is incompatible. Open the OSD menu and select the Input Control menu. Set Auto-Switch Input to Off and manually select the input Image appears Brightness is too low. Open the OSD menu and blurred, indistinct, select Brightness to adjust the or too dark.