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Maintenance and Service Guide
X27 model
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem
troubleshooting, and more.

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Table of Contents
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Summary of Contents for HP X27

  • Page 1 Maintenance and Service Guide X27 model SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
  • Page 2 AMD is a trademark of Advanced Micro Devices, Inc. Bluetooth is a trademark owned maintenance or service, be sure to read by its proprietor and used by HP Inc. under “Important Safety Information”. license. NVIDIA is a trademark and/or registered trademark of NVIDIA Corporation in the U.S.
  • Page 3: Table Of Contents

    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.
  • Page 4: Getting Started

    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.
  • Page 5: Rohs (2002/95/Ec) Requirements

    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.
  • Page 6 Measurements that are not within specified limits present a possible shock hazard. You must check and repair the product before returning it to the customer.
  • Page 7: Monitor Features

    For safety and regulatory information, refer to the Product Notices provided in your documentation kit. To access the latest user guides or manuals for your product, go to http://www.hp.com/support and follow the instructions to find your product. Then select Manuals.
  • Page 8: Front Components

    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 Menu button Press to open the OSD menu. When the OSD menu is open, the Menu light turns on. When the OSD menu is open, press the buttons OSD buttons to navigate through the menu.
  • Page 9: Rear Components

    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 OSD buttons Power button Turns the monitor on or off Power connector Connects an AC adapter HDMI port Connects the HDMI cable to a source device such as a computer or game console.
  • Page 10: Locating The Serial Number And Product Number

    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 contacting HP for support. For worldwide models (except India):...
  • Page 12: Illustrated Parts Catalog

    3. Illustrated parts catalog To identify the monitor major components, use this illustration and table. item part name q'ty DECO LENS SPONGE X27 PANEL MIDFRAME POWER BOARD SCALAR BOARD MYLAR MAINFRAME REAR COVER KEY BOARD LED BOARD STAND ASSY BASE ASSY...
  • Page 13: How To Order Parts

    How to order parts The HP authorized repair center can purchase the power board from HP. Power board Description HP spare part number Manufacturer part number M84749-001 PLPCKH534GFAH M84749-002 PLPCKH421KFA1 Capacitors and connectors are available for purchase from the following EU distributors: ...
  • Page 14 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.
  • Page 15: Removal And Replacement Procedures

    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. 1) Read the “Important safety information” and “Important service information and precautions” sections in the “Getting started”...
  • Page 16 Remove the Rear cover: Step Figure Description Put the monitor face down on a matched Remove the cushion HINGE ASS'Y Remove the hinge assy by push the hook up Remove the Remove the rear cover REAR_COVER screws by the screwdriver. Remove the rear cover from the top...
  • Page 17 Remove the mainframe screws ,discon nect the connectors and remove the tapes Tear out all Remove the mylar tapes...
  • Page 18 Remove the power Remove the board and screws by the mainboard screwdriver Power board and The panel mainboard Remove the Remove the screws by the middle frame screwdriver Middle frame and deco...
  • Page 19: Power Board

    Prepare the monitor for disassembly. See Preparation for disassembly on page 13. ▲ Remove the power board: 1) The HP X27 power board connector position is as follows: Warning : after unpluging the power supply, the capacitance is still chagred, do not touch and...
  • Page 20: Connector Repair

    2) Locate the part number location on the board. Connector repair This procedure includes HDMI, Display Port , USB and audio connectors. The connectors are on the main board (board part number CBPCPA8HPF3). The connectors identifiers are as follows: Connector Location HDMI DisplayPort...
  • Page 21 Before repairing connectors, follow these steps: Prepare the monitor for disassembly. See Preparation for disassembly on page 13. ▲ IMPORTANT: • Repair Condition: Connector repair is only for out of warranty. • Repairing must operate by professional repairers (Note) in repair center, not applicable for end user. •...
  • Page 22: Audio Connector M1

    Audio connector M1 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 M1 out of the through holes. 2) Lift the M1 connector from the PCB.
  • Page 23: Dp Connector J3

    3) Lift the J2 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. DP connector J3 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: Function Test

    3) Lift the J3 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...
  • Page 25 NOTE: If pressing the Power button has no effect, press and hold the power button for 10 seconds to disable the Power button lockout feature. Video cable is improperly connected. Connect the video cable properly. System is in Sleep mode. Press any key on the keyboard or move the mouse to exit Sleep mode.

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