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Maintenance and Service Guide Z27xs G3 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. and other countries.
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 ● 68.6 cm (27 in) diagonal viewable screen area with 3840 × 2160 resolution 4K UHD, plus full-screen support for lower resolutions;...
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 Table 1-2 Front components and their descriptions Component Description Brightness adjustment buttons Left Button: Brightness Quick Full (default) Sets the brightness to the maximum available on the display.
Rear and side components To identify the components on the rear of the monitor, use this illustration and table. Table 1-3 Rear components and their descriptions Component Description OSD control Pressing the center activates the OSD buttons so that the button labels appear on the right side of the screen.
Locating the serial number and product number The serial number and product number are located on a label on the rear of the monitor panel. You may need these numbers when contacting HP about the monitor model.
Description LCD LM270WR8-SSB1 GZ LGD CONNECTOR BOARD KEY_POWER LENS MIDDLE_FRAME L27W-Ehp1-p1 INSULATING SHEET 215*223.1 ADAPTER BOARD NA CONNECTOR BOARD MAINFRAME CONNECTOR BOARD KEY_FUNCTION REAR_COVER N/A HINGE ASS'Y HINGE_LEFT stand ass'y NA NA BASE_ASS’Y N/A NA LOGO HP NA CONNECTOR BOARD...
SCREW -- 6mm SCREW D3 6 SCREW M3 6 SCREW M4 8 SCREW P3 5 How to order parts The HP authorized repair center can purchase the power board from HP. Power board Manufacturer part Description HP spare part number number...
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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”...
Rear Cover Before removing the Rear Cover, follow these steps: ▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 10. Remove the Rear Cover: 1) Remove the stand lid and 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.
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5) Remove 4 screws to remove the Connect boards. 6) Tear off the tapes and unscrew 4 screws to remove the mainframe. 7) Disconnect the Light bar cables.
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8) Remove 15 screws to remove the Main Board, Connector Board and Power Board. 9) Remove 11 screws to disassemble the middle frame and Panel. 10) Remove the key board from the middle frame. 11) Disassemble all the boards from housing. 12) Disconnect all the wires from the board.
Before removing the power board, follow these steps: ▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 10. Remove the power board: 1) The HP Z27xs G3 power board connector position is as follows: Warning: After unplugging the power supply, the capacitance is still charged, do not touch and discharge the capacitor.
Connector repair This procedure includes HDMI, DisplayPort (1&2), USB Type-C and USB 3.0 A (1 & 2) connectors. The connectors are on the main board (board part number CBPRNA6H0Q6). The connectors identifiers are as follows: Connector Location HDMI CN5101 DisplayPort 1 CN551 DisplayPort 2 CN501...
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Before repairing connectors, follow these steps: ▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 10. Board 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.
For Main Board HDMI connector CN5101 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 CN5101 connector from the circuit board.
DP 1 connector CN551 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 CN551 connector from the circuit board.
DP 2 connector CN501 Repair the DP2 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.
TYPE-C connector CN5302 Repair the Type-C 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.
USB 3.0 A 1 connector CN1103 Repair the USB 3.0 A 1 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 USB 3.0 A 1 out of the through holes.
For Connector Board USB 3.0 connector CN154 Repair the Connector board 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.
Function test After repair, be sure to confirm that all functions are working. Table 4-1: Function test Test item Operating description Operating description Tool used 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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“Check Video Cable” is Monitor video cable is disconnected. Connect the appropriate 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 and/or refresh Change the settings to a supported setting (see Preset Range”...
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Index components RC removal, 11 front, 4 rear components, 5 rear, 5 removal connector repair, 15 power board, 14 features, 3 RC, 11 firmware updates, 2 removal and replacement procedures, 10 front components, 4 returning to customer, 2 function test, 23 RoHS (2002/95/EC) requirements, 2 how to order parts, 8 safety information, 1...