HP M34d WQHD Curved Monitor Maintenance and Service Guide
Summary
The essential Service and Maintenance Guide for the M34D model monitor, designed for trained technical professionals. This comprehensive resource provides detailed steps for component replacement, including power boards and signal connectors. It covers everything from critical safety guidelines and spare parts cataloging to advanced troubleshooting, firmware updates, and diagnostic testing, ensuring efficient repair and servicing of your display unit.
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Maintenance and Service Guide
M34D model
SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
Page Summary Contents For HP M34d WQHD Curved Monitor Maintenance and Service Guide
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Maintenance and Service Guide M34D model SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
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© Copyright 2022 HP Development Product notice Company, L.P. Only trained service personnel familiar with this product should service it. Before AMD is a trademark of Advanced Micro performing any mai...
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Table of Contents 1 Getting started ............................................................................................................................................... 2 Important safety i...
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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...
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near pin. ● Do not get the board wet. Water and moisture can cause a short circuit that causes malfunctions. ● To avoid damage, be sure to use lead-free solder. ● When soldering, work quickly to avoid...
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2 Monitor features This chapter provides an overview of the monitor’s features. Features Depending on the model, your monitor might include the following features: ● 86.36 cm (34 in) diagonal viewable...
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NOTE: 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/supp...
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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 1 Power light White: The...
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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 1 Menu button Connects a po...
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NOTE: Use a standard USB Type-A charging cable or cable adapter (purchased separately) when charging a small external device. 9 USB Type-B upstream port Connects a USB Type-B cable to a source device....
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Locating the serial number and product number The SPEC label is 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 ...
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3 Illustrated parts catalog To identify the monitor major components, use this illustration and table. Item Description Qty 1 PANEL 1 2 MIDDLE_FRAME 1 3 LENS 1 4 SPONGE 1 5 MYLAR 1 6 POWER BOARD 1 7 M...
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13 KEY_FRAME 1 14 REAR COVER 1 15 STAND ASS'Y 1 16 BASE_ASS’Y 1 17 0M1G3030 4120 13 18 0M1G1030 6120 10 19 QM1G38400601200ARA 1 20 0Q1G1030 6120 8 21 0M1G2940 10 47 CR3 4 How to order parts The HP aut...
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PHONE JACK CN605 RS 913-1021(RS PRO) NOTE: Rear cover and chassis need to be modified to hold connector. Connector may need modifications to meet functional, safety and regulatory requirements accordi...
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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 ...
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Remove the Rear Cover: 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 ...
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7) Disassemble 9 screws from the board. 8) Disassemble all the boards from housing 9) Disassemble the USB board from the Rear Cover (if required). Power board The power board part number is PLPCKL482U...
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Connector repair This procedure includes HDMI, Display Port, USB Type-C, USB B TYPE, Audio and USB3.0 connectors. The connectors are on the main board (board part number CBPCPD9H1Q1) The connector’s i...
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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. • Electrostatic pr...
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HDMI connector CN501 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. ...
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3) Lift the CN503 connector from the circuit board. 4) Place the new component on the circuit board. Be sure that it matches the footprint. 5) Solder the new component. TYPE-C connector CN5101 Repair ...
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USB B TYPE connector CN1001 Repair the USB B Type connector 1) Use a soldering iron and a de-soldering pump to remove as much solder as possible from the pin. 2) Lift the CN1001 connector from the PCB...
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Function test After repair, be sure to confirm that all functions are working. Table 4-1: Function test Te st item Operating description Tool used Function test st item HDMI test Confirm whether image...
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and manually select the input, or replace the video card or connect the video cable to one of the computer’s on-board video sources. Image appears Brightness is too low. Open the OSD menu and blurred,...
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Index components preparation for disassembly, 13 front, 6 RC removal, 13 rear, 7 rear components, 7 connector repair, 16 removal features, 4 power board, 15 firmware updates, 3 RC, 13 front components...
Manual Details
| Brand | HP |
|---|---|
| Pages | 25 |
| File Size | 1.93 MB |
| Published | June 05, 2026 |
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Frequently Asked Questions
Who should perform maintenance on this device?
Only trained service personnel familiar with the product should perform any maintenance or service.
What do I check if the monitor screen image is too dark or indistinct?
Check the OSD menu and adjust the Brightness scale to a needed setting.
How do I fix an input signal that appears on the screen but isn't working?
Ensure the video cable is properly connected between the computer and monitor, and power off the computer first.
What precautions should I take before opening the unit for repair?
Consult "Important Safety Information" and ensure you are prepared for disassembly, covering front and rear components.