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Maintenance and Service Guide HP Series 7 Pro 734pm 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 sure 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.
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 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.
Monitor features This chapter provides an overview of the monitor’s features. Features Depending on the model, your monitor might include the following features: Display features ● 86.4 cm (34 in) diagonal viewable screen area with 3440 × 1440 resolution (WQHD) or 95.3 cm (37.5 in) diagonal viewable screen area with 3840 ×...
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Monitor stand ● 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 VESA®...
Power button Turns the monitor on or off. NOTE: When applicable HP products are connected to the USB Type-C Thunderbolt port, pressing the power button on the display turns on/off your notebook, or puts it to sleep based on your power setting (Performance mode).
Camera components (camera model only) To identify the components on the camera, use this illustration and table. Table 2-2 Camera components (camera model only) Component Description Microphone Features active noise cancellation. Webcam LED Indicates that the webcam is powered on. Ambient light sensor (top) Adjusts the display brightness according to lighting conditions in the environment.
Rear and side components To identify the components on the rear of the monitor, use this illustration and table. Table 2-3 Rear components and their descriptions Component Description Joypad Press to open the OSD settings. Security cable slot Connects an optional security cable. Power connector Connects your monitor to a power outlet.
● NOTE: Supports IT Manageability, Out-of-band Wake on Lan (WOL) , Out-of-band Mac Address Passthrough (MAPT), and PXE boot (HP models only). The functionality may vary with PC settings. NOTE: This network port is fully energy efficient according to IEEE standards (IEEE 802.3az-2010) as long as all connected devices support this feature.
Illustrated parts catalog To identify the monitor major components, use this illustration and table. Table 3-1: Monitor major components and their descriptions Item Description Part number #panel module #front bezel logo #front bezel metal # front bezel poron # front bezel adhesive # front bezel lens # front bezel plastic #middle frame...
#rear cover logo #stand column #stand base #interface BD #sunk USB BD 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 POWER BD MC34UHC-CJCL(C)734pm N97156-001 755.0AX11.D005...
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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.
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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2) Remove Stand Base From Display Head by pushing the release button 3) Remove Rear Cover From Display Head: Loose all the hooks by hand in order for pulling the rear cover, and disconnect the key cable away from the connector.
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4) Remove OSD key board from the rear cover: remove 1pcs screw 5) Remove 2pcs tape, two speakers and hinge from Display Head.(6+4 pcs screws) 6) Remove 3pcs acetate tape and 3pcs AL foil, then disconnect all the cables from the main chassis. And remove 1pcs screws for releasing bottom USB board...
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7) Remove 4pcs screws and disconnect EDP cable from panel, then lift up and remove the main bracket chassis away from panel. 8) Remove webcam Assy From Display Head by unlocking 4pcs screws and tearing off tape 9) Remove Middle Frame from the Display Head: remove 26pcs(24+2) screws...
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10) Remove Power key Board from Middle Frame 11) Remove all the circuit board and AC connect from bracket Assembly by unlocking 14pcs screws...
The power board part number is 755.0AX11.D005. Before removing the power board, follow these steps: Prepare the monitor for disassembly. See Preparation for disassembly on page 12. ▲ Remove the power board: 1) The HP Series 7 Pro 734pm power board connector position is as follows:...
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2) Locate the part number location on the board. 3) Pin solder with soldering iron and absorber. 4) Lift the connector up and away from the PCB.
Connector repair This procedure includes HDMI, Display Port, USB-C, TBT4, RJ45, USB-A connectors. The connectors are on the main board (board part number 7ZB.0AX01.0008). This procedure includes TBT4 connectors. The connectors are on the TBT4 Board (board part number 755.0AX02.T001); This procedure includes USB-A connectors.
HDMI connector HDMI1 Repair the HDMI connector: 1) Use a hot air gun to melt the solder on the pins from the bottom side. 2) Lift the HDMI connector from the PCB. 3) Place the new component on the PCB. Be sure that it matches the PCB footprint. 4) Solder the new component.
2) Lift the USB-C connector from the PCB. 3) Place the new component on the PCB. Be sure that it matches the PCB footprint. 4) Solder the new component USB-C connector USBC3 Repair the USB-C connector: 1) Use a hot air gun to melt the solder on the pins from the bottom side. 2) Lift the USB-C connector from the PCB.
1) Use a hot air gun to melt the solder on the pins from the bottom side.. 2) Lift the USB-A connector from the PCB. 3) Place the new component on the PCB. Be sure that it matches the PCB footprint. 4) Solder the new component.
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Screen is blank or Power cord is disconnected. Connect the power cord. video is flashing. Monitor is turned off. Power the power button. 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.
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Always Active to switch the monitor to Performance mode. Slow performance The monitor has a two-lane from USB default for USB-C. On selected products, you can press the Joypad button to open the OSD menu, navigate to the USB Type-C configuration, and then select USB-C Video + USB 3.0 for data transfer...