Page 1
Maintenance and Service Guide E27 G5 model SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
Page 2
AMD is a trademark of Advanced Micro maintenance or service, be sure to read Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by HP Inc. under “Important Safety Information”. license. NVIDIA is a trademark and/or registered trademark of NVIDIA Corporation in the U.S.
Table of Contents 1 Getting started ....................................... 2 Important safety information ................................2 Important service information and precautions ..........................2 RoHS (2002/95/EC) requirements ..............................3 General descriptions ....................................3 Firmware updates ....................................3 Before returning the repaired product to the customer ........................3 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.
● Joypad OSD navigation ● Energy saver feature to meet requirements for reduced power consumption ● HP Eye Ease (TUV Low Blue Light Hardware Solution, certified and with a 75 Hz Max Refresh rate) ● Compatible with displays software including: –...
Page 7
● VESA® mounting capability (100 × 100 mm) for attaching the monitor to a swing arm mount NOTE: For safety and regulatory information, see Legislation and regulations on page 39. To access the latest user guide, 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: Front components and their descriptions Component Description Power button Turns the monitor on or off. Power LED Indicates that the monitor is powered on.
Rear components Rear components To identify the components on the rear of the monitor, use this illustration and table. Table: 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 a power cord.
Locating the serial number and product number The Label is located on the rear of the monitor. You may need these numbers when contacting HP about the monitor model. Label...
Illustrated parts catalog To identify the monitor major components, use this illustration and table. Item Description LOGO HP 12 MIDDLE_FRAME LENS KEY_POWER SPONGE COVER_SPK INSULATING SHEET 188.17*132*9.5 MAINFRAME KEY_FUNCTION...
Page 12
Spring Finger REAR_COVER LOGO HP size 72 HINGE ASS''Y COVER_VESA stand ass'y BASE_ASS’Y PANEL KEY BOARD ADAPTER BOARD NA MAIN BOARD KEY BOARD USB BOARD SCREW M3 4 SCREW M3 6 SCREW M4 6 SCREW M3 6 SCREW Q3 6...
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 12. Remove the Rear Cover: Remove the Stand-Base Assy and remove four screw to remove the rear cover. Use your fingers to split the left and right sides apart between the middle frame and rear case.
Page 16
Disassemble the Rear Cover and disconnect the connectors.
Page 17
Remove the Mylar. Disassemble 6 screws from the boards. Disassemble all the boards from housing. Disconnect all the wires from the board.
Page 19
Remove the screws to remove the middle frame and the panel.
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 E27 G5 power board connector position is as follows: CN902 Warning: After unplugging the...
Connector repair This procedure includes HDMI, DisplayPort and USB connectors. The connectors are on the main board (board part number CBPR2RTHPQ1). The connector identifiers are as follows: Connector Location CN502 HDMI CN501 USB UP CN105 USB 1、2、 CN104\ CN106 Main Board CN106 CN501 CN502...
Page 22
Before repairing connectors, follow these steps: ▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 12. 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. •...
DP connector CN502 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 DP connector from the circuit board. 4) Place the new component on the circuit board.
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. 3) Lift the HDMI connector from the circuit board. 4) Place the new component on the circuit board.
USB UP connector CN105 Repair the USB up connector: 1) Use a soldering iron and a de-soldering pump to remove as much solder as possible from the pin. 2) Lift the USB up connector from the circuit board. 3) Place the new component on the circuit board. Be sure that it matches the circuit board footprint. 4) Solder the new component.
2) Lift the USB1\2 connector from the circuit board. 3) Place the new component on the circuit board. Be sure that it matches the circuit board footprint. 4) Solder the new component. USB 3\4 connector CN1004\CN1005 Repair the USB connector: 1)...
Function test After repair, be sure to confirm that all functions are working. Table 4-1: Function test Test item Operating description Tool used HDMI test Confirm whether image displays and sound plays Computer or DVD correctly on the monitor. player DP test Confirm whether image displays and sound plays Computer or DVD...
Support and troubleshooting The following table lists possible problems, the possible cause or each problem, and the recommended solutions. Issues Possible cause Solution Screen is blank or video is Power cord is disconnected. Connect the power cord. blinking. Monitor is off. Press the monitor power button.