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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. Improper service methods can damage equipment. 

The service procedures recommended and described in this service manual provide effective methods of 
performing service operations. Service engineers should have prior repair knowledge and experience as well as 
appropriate training for the product before performing service procedures. 

● 

Be sure your working environment is dry and clean and meets all government safety requirements. 

● 

Be sure that other persons are safe while you are servicing the product. 

● 

Do not perform any action that can cause a hazard to the customer or make the product unsafe. 

● 

Use proper safety devices to ensure your personal safety. 

● 

Always use approved tools and test equipment for servicing. 

● 

Never assume the product’s power is disconnected from the main power supply. Check that it is 
disconnected before opening the product’s cabinet. 

● 

Modules containing electrical components are sensitive to electrostatic discharge (ESD). Follow ESD 
safety procedures while handling these parts. 

● 

Some products contain more than one battery. Do not disassemble or expose a battery to high 
temperatures, such as throwing into fire, or the battery may explode. 

● 

Refer to government requirements for battery recycling or disposal.

 

This information provides general service information for the monitor. Adherence to the procedures and 
precautions is essential for proper service. 

 

 

IMPORTANT: 

Only trained service personnel who are familiar with this HP product should perform service or 

maintenance for it. Before performing any service or maintenance, personnel must read the important safety 
information. 

 

 

IMPORTANT: 

You must disconnect the power cord from the power source before opening the monitor to 

prevent component damage. 

 

 

Important service information and precautions 

● 

Repair must be performed by professional service technicians in a repair center. End users should not 
perform these procedures. 

● 

Please note during servicing that the primary side is the high voltage area. 

● 

This monitor meets ROHS requirements. Be sure to use lead-free solder wire when soldering. 

● 

If you must change a capacitor, be sure to match the polarity as printed on the PCB. 

● 

If you must replace a capacitor, make sure the specification and part number match the BOM and 
location. 

Summary of Contents for U32

Page 1: ...Maintenance and Service Guide U32 model SUMMARY This guide provides information about spare parts removal and replacement of parts diagnostic tests problem troubleshooting and more ...

Page 2: ... States and other countries The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Firs...

Page 3: ...ed product to the customer 3 2 Monitor features 4 Features 4 Front components 5 Rear components 6 Locating the serial number and product number 7 3 Illustrated parts catalog 11 How to order parts 12 4 Removal and replacement procedures 13 Preparation for disassembly 13 Rear Cover 13 Power board adapter 17 DisplayPort connector location 18 HDMI connector P103 18 Function test 20 Support and trouble...

Page 4: ...opening the product s cabinet Modules containing electrical components are sensitive to electrostatic discharge ESD Follow ESD safety procedures while handling these parts Some products contain more than one battery Do not disassemble or expose a battery to high temperatures such as throwing into fire or the battery may explode Refer to government requirements for battery recycling or disposal Thi...

Page 5: ...tance in Electrical and Electronic Equipment Directive is a legal requirement by the EU European Union for the global electronics industry sold in the EU and other countries Any electrical and electronics products launched in the market after June 2006 should meet this RoHS requirement Products launched in the market before June 2006 are not required to be compliant with RoHS parts If the original...

Page 6: ...e to side Tilt swivel and height adjustment capabilities Pivot capability to rotate the monitor head from landscape to portrait orientation Picture in Picture PIP functionality to enable the DisplayPort and HDMI inputs to be viewed in each half of the screen On Screen Display OSD adjustments in several languages for easy setup and screen optimization Color space presets for sRGB and BT 709 VESA HD...

Page 7: ...5 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 ...

Page 8: ...6 Rear components To identify the components on the rear of the monitor use this illustration and table ...

Page 9: ...r The SPEC label 1 and Barcode label 2 are 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 contacting HP about the monitor model For worldwide models except India ...

Page 10: ...8 For India ...

Page 11: ...9 label ...

Page 12: ...10 ...

Page 13: ...11 3 Illustrated parts catalog To identify the monitor major components use this illustration and table ...

Page 14: ... RS Component 769 3466 NOTE The connector may need to be modified to meet functionality regulatory and safety requirements if it is not an exact match 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 selec...

Page 15: ...etting started chapter of this guide 2 Clean the room for disassembly 3 Identify the disassembly area 4 Check the position that the monitors are to be placed along with the number of monitors Prepare the area for material flow according to the disassembly layout 5 Be sure to have the following equipment and materials Press fixture Working table Screwdriver Knife Gloves Cleaning cloth ESD protectio...

Page 16: ... 2 Remove aluminum tape Tear off the 3 aluminum tape at the red square and remove black tape as shown in blue square 3 Remove wire cable and OSD board Power board Pull out the backlight wire from the interface when you take out the backlight wire hold down the backlight wire connector and remove the backlight wire from the hook as shown in the blue square and remove OSD board power board ...

Page 17: ...ver Take the electric screwdriver and remove the three screws from A B C at the red circle 5 Remove EDP cable Lift the shielding cover and pull out the EDP cable as shown in blue square and place the shielding cover aside OSD board Power board ...

Page 18: ...e mid bezel fixing screws Take the electric screwdriver and remove the screw as shown in the red circle 7 Remove the mid bezel and main bracket Remove the mid bezel main bracket tape red square as shown in the figure ...

Page 19: ...17 Power board adapter The power board part number is 60703 00293 adapter 1 The HP U32 power board connector position is as follows ...

Page 20: ...The connectors identifiers are as follows Connector Location HDMI P103 DP P105 Before repairing connectors follow these steps Prepare the monitor for disassembly See Preparation for disassembly on page 13 HDMI connector P103 Repair the HDMI connector 2 Use a soldering iron and a desoldering pump to remove as much solder as possible from the pin ...

Page 21: ...19 3 Use a hot air gun to melt the solder on the pins 4 Lift the P103 connector from the PCB 5 Place the new component on the PCB Be sure that it matches the PCB footprint 6 Solder the new component ...

Page 22: ...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 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 Video card is incompatible Open the OSD menu and select the Input Control menu Set Auto ...

Page 23: ... settings to a supported setting The monitor is off but it did not seem to enter into Sleep mode The monitor s power saving control is disabled Open the OSD menu and select Power Control Auto Sleep Mode and set auto sleep to On On Screen Menus are Locked is displayed The monitor s OSD lock function is enabled Press and hold the Menu button on the front bezel to 10 seconds to disable the OSD lockou...

Page 24: ...s 11 parts ordering 12 power board removal 17 precautions 2 preparation for disassembly 13 RC removal 13 rear components 6 removal power board 17 RC 13 removal and replacement procedures 13 returning to customer 3 RoHS 2002 95 EC requirements 3 safety information 2 serial number location 7 service information 2 spare parts 11 support and troubleshooting 20 troubleshooting 20 ...

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