Page 1
Maintenance and Service Guide 24fh model 27fh model...
Page 2
SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
Page 3
Devices, Inc. Bluetooth is a trademark owned sure to read “Important Safety Information”. 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. USB Type-C and USB-C are registered trademarks of USB Implementers Forum.
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.
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.
Front components To identify the components on the front of the monitor, use this illustration and table. < Table 2-1> Table 2-1: Front components and their descriptions Component Function : If the OSD menu is closed, opens the OSD Menu Menu main menu.
increases adjustment levels. : If the OSD menu is closed, opens the Viewing Modes Exit Viewing Modes Viewing Modes menu to Function button 1—assignable choose different screen viewing settings. : If the OSD menu is open, saves changes and Exit exits the OSD menu.
The rating labels on the monitor provide the spare part number, product number, and serial number. You may need these numbers when contacting HP about the monitor model. The rating labels are located on the bottom side of the monitor display head.
To identify the monitor major components, use this illustration and table. 24fh < Table 3-1> Item Description DISPLAY BD ASS'Y MAIN BD ASS'Y HP 24fh 23.8 ES8.0 LCM HP (black) Frame_L(ABS 94-HB/J13417B5) Frame_R(ABS 94-HB/J13417B5) SHIELDING (1A1H)(ENCORE) MAC. SCREW-MI M3.0*4.0L, BLK-Ni MAC. SCREW-MI M3.0*6.0L, BLK-ZNNI MAC.
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”...
Page 17
Step 1: Down the base screw, break down the base and neck; Strip the screws from rear cover so that the rear metal cover can be removed, after be turn back; Step 2: Pull out the 8P FFC , so that can take the rear cover out of MNT ; such as bellow; Step 3: Push up and disassemble the DECO from the panel;...
Page 18
Step 4: To remove the shielding (contain the other material); (4.1) Remove the acetate tapes covering the LVDS/ LED FFCs; (4.2) Pull out the LVDS/ LED FFCs to separate the base assembly from the unit;...
Page 19
Step 5: Strip the screws *4pcs Strip the other screws *8pcs from the M/B;...
Page 20
Strip the other screws *9pcs from the LCM; Step 6: Release all materials and put some by ESD; Can follow the picture as bellow; The overall look after when finished...
Connector repair This procedure includes VGA, HDMI connectors. The connectors are on the main board. The connectors identifiers are as follows: Connector Location HDMI P3 (P4) Before repairing connectors, follow these steps: ▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 12. VGA P6 Repair the VGA connector: 1) Use a hot air gun to melt the solder on the pins.
2) Lift the P6 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. HDMI connector P3 (P4) Repair the HDMI connector: 1) Use a soldering iron and a desoldering pump to remove as much solder as possible from the pin. 2) Use a hot air gun to melt the solder on the pins.
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 VGA test Confirm whether image displays and sound plays Computer or DVD player correctly on the monitor.
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 25
OSD lockout function. No low-power The monitor’s power button is locked. Press and hold the power sleep mode button for 10 seconds to disable the power button lock function.