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Maintenance and Service Guide V27i G5 model SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
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AMD is a trademark of Advanced Micro to read “Important Safety Information”. Devices, Inc. Bluetooth is a trademark owned 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 ..................................2 Important safety information ............................2 Important service information and precautions ........................ 2 RoHS (2002/95/EC) requirements............................ 3 General descriptions ................................ 3 Firmware updates ................................3 Before returning the repaired product to the customer ....................3 2 Monitor features ..................................
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. The cautions and notes are not exhaustive. Proper service methods are important to the safe, reliable operation of equipment.
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.
Support for a mounting bracket to attach the monitor to a workstation NOTE: For safety and regulatory information, see the Product Notices provided in your documentation kit. To access the latest user guide, go to http://www.hp.com/support, and follow the instructions to find your product. Then select Manuals.
Front components To identify the components on the front of the monitor, use this illustration and table. Table 1-1: Front components and their descriptions Component Function Power LED Indicates that the monitor is powered on. Power button Turns the monitor on or off. NOTE: Be sure that the master power switch on the monitor is in the On position to turn on the monitor.
Rear components To identify the components on the rear of the monitor, use this illustration and table. Table 1-2: Rear components and their descriptions Component Function Joypad OSD button Opens the OSD settings. Security cable slot Connects an optional security cable. Power connector Connects a power cord.
The SPEC label (1) and Barcode label (2) are located on the rear of the monitor. The serial number and product number are located on a Safety label. You may need these numbers when contacting HP about the monitor model.
Illustrated parts catalog To identify the monitor major components, use this illustration and table. Item Description DECO_BEZEL PANEL MIDDLE_FRAME MAIN BOARD MAINFRAME BKT_VESA REAR_COVER COVER_VESA stand ass''y BASE_ASS’Y KEY_POWER KEY_FUNCTION...
Internal and External Power Supplies are available for purchase from the following EU distributor: EET https://www.eetgroup.com/en-eu/ NOTE: HP continually improves and changes product parts. For complete and current information about supported parts for your product, go to https://partsurfer.hp.com/Search.aspx, select your country or region, and then follow the on-screen instructions.
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. 1) Read the “Important safety information” and “Important service information and precautions” sections in the “Getting started”...
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1) Remove four screw from the rear case. 2) Use your fingers to split the left and right sides apart between the middle frame and rear case. 3) Insert the scraper bar tool into the gap between the middle frame and rear case, and then rotate. The hook opens.
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4) Disassemble the Rear Cover and disconnect the connectors. 5) Remove the Mylar. 6) Disassemble 6 screws from the boards. 7) Disassemble all the boards from housing. 8) Disconnect all the wires from the board.
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Remove the screws to remove the middle frame and the panel.
Before removing the power board, follow these steps: ▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 11. Remove the power board: 1) The HP V27i G5 power board connector position is as follows: CN902 Warning: After unplugging the...
Connector repair This procedure includes DisplayPort, HDMI and D-SUB connectors. The connectors are on the main board (board part number CBPR1EBH7Q5). The connectors identifiers are as follows: Connector Location DisplayPort CN501 HDMI CN502 D-SUB CN503 Main Board CN501 CN502 CN503 Before repairing connectors, follow these steps: ▲...
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components and lead to malfunctions. • The fusion point of Lead-Free solder is requested. Repairing with conventional lead wire may cause damage. • Work quickly to avoid overheating the circuit board as soon as you confirm the steady soldering condition. •...
DP connector CN501 Repair the DP connector: 1) Use a soldering iron and a de-soldering 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 CN501 connector from the circuit board. 4) Place the new component on the circuit board.
HDMI connector CN502 Repair the HDMI connector: 1) Use a soldering iron and a de-soldering 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 circuit board. 4) Place the new component on the circuit board.
D-SUB connector CN503 Repair the D-SUB connector: 1) Use a soldering iron and a de-soldering pump to remove as much solder as possible from the pin. 2) Lift the CN503 connector from the circuit board. 3) Place the new component on the circuit board. Be sure that it matches the circuit board footprint. 4) Solder the new component.
Function test After repair, be sure to confirm that all functions are working. Table 4-1: Function test Operating description Tool used Test item Operating description Tool used Function test st item HDMI test Confirm whether image displays and sound plays Computer or DVD After repair, be sure to confirm that all functions are working.
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displayed on screen. video signal cable between the computer and monitor. Be sure that the computer power is off while connecting the video cable. Input Signal Out of Video resolution, refresh rate, or both, are set Change the settings to a Range is displayed on higher than the monitor supports.