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Maintenance and Service Guide
X34 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 X34

  • Page 1 Maintenance and Service Guide X34 model SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
  • Page 2 Before performing any 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 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 1.
  • Page 4: Getting Started

    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.
  • 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 11 For 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 MIDDLE FRAME MYLAR POWER BOARD KEY BOARD LED BOARD BASE STAND REAR COVER MAINFRAME SCALER BOARD CONVERTER BOARD PANEL SCREW M3 SCREW M3 SCREW M4...
  • 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 M84750-001 ADPCK1908FGB 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 Remove the mainframe mainframe screws ,...
  • Page 18 Tear out all Remove the mylar tapes Remove the Remove the boards screws by the screwdriver Power board and mainboard and converter board...
  • Page 19: Power Board

    The power board part number is ADPCK1908FGB Before removing the power board, follow these steps: Prepare the monitor for disassembly. See Preparation for disassembly on page 13. ▲ Remove the power board: 1) The HP X34 power board connector position is as follows:...
  • Page 20 Warning : after unpluging the power supply, the capacitance is still chagred, do not touch and discharge the capacitor 2) Locate the part number location on the board.
  • Page 21: Connector Repair

    Connector repair This procedure includes HDMI, Display Port , USB and audio connectors. The connectors are on the main board (board part number CBPRPA8H1F1). The connectors identifiers are as follows: Connector Location HDMI DisplayPort Audio Before repairing connectors, follow these steps: Prepare the monitor for disassembly.
  • Page 22: Audio Connector M1

    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. •...
  • Page 23: Dp Connector J3

    2) Use a hot air gun to melt the solder on the pins. 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.
  • Page 24: Function Test

    2) Use a hot air gun to melt the solder on the pins. 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...
  • Page 25: Support And Troubleshooting

    Support and troubleshooting The following table lists possible problems, the possible cause or each problem, and the recommended solutions. Table 4-2: Solving common problems Problem Possible cause Solution Screen is blank or Power cord is disconnected. Connect the power cord. video is flashing.
  • Page 26 On-Screen Menus The monitor’s OSD lock function is enabled. Press and hold the Menu are Locked is button on the front bezel to displayed. 10 seconds to disable the OSD lockout function. Power Button is The monitor’s power button is locked. Press and hold the power Locked is button for 10 seconds to...

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