Maintenance and Service Guide E34m G4 model SUMMARY This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem troubleshooting, and more.
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Table of Contents 1 Getting started .............................................................................................................................................. 1 Important safety information .................................................................................................................... 1 Important service information and precautions ........................................................................................ 1 RoHS (2002/95/EC) requirements ...............
1 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.
● If you must replace a capacitor, insert new parts carefully to avoid a short circuit caused by the near pin. ● Do not get the board wet. Water and moisture can cause a short circuit that causes malfunctions. ● To avoid damage, be sure to use lead-free solder. ● When soldering, work quickly to avoid overheating the circuit board. ● Keep the soldering iron tip clean and well tinned when replacing parts.
2 Monitor features This chapter provides an overview of the monitor’s features. Features Display features ● 86.
● VESA® mounting bracket for attaching the monitor head to a wall-mount device or swing arm ● VESA mounting capability (100 × 100 mm) for attaching the monitor to a swing arm mount ● Support for a mounting bracket to attach the monitor to a workstation NOTE: 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.
Front components To identify the components on the front of the monitor, use this illustration and table. Table 1-2: Front components and their descriptions Component (1) Function Camera Allows you to video chat, record video, and record still images NOTE: Camera functions vary depending on the camera hardware and software installed on your product. (2) Speaker mute light The mute button has been turned on. (3) Speaker mute button Mutes Mutes or restores speaker sound.
Rear components To identify the components on the rear of the monitor, use this illustration and table. Table 1-4: Rear components and their descriptions Component 1 Audioout (headphone)/Audioin (microphone) combo jack Function Connects optional powered stereo speakers, headphone earbuds, a headset, or a television audio cable. Also connects an optional headset microphone. This jack does not support optional standalone microphones.
(8) DisplayPort Connects a DisplayPort cable from the source device to the monitor. (9) USB Type C Connects a USB TypeC cable from the source device to the monitor. Serves as a single (10) Network jack Connects an RJ45 Ethernet cable to the monitor. (11) USB ports (2) Connects a USB device, provides highspeed data transfer, and charges small devices such as a smartphone, even when the computer is off with OSD Performance mode on. (12). USB port (2) Connect USB devices to the monitor.
Locating the serial number and product number 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 India: Bar code label Spec label 9
3 Illustrated parts catalog To identify the monitor major components, use this illustration and table.
15 HINGE ASS'Y 1 16 RUBBER PAD 2 17 HINGE ASS'Y 1 18 HINGE ASS'Y 1 19 SHIELD_PLATE 1 20 LOGO HP 56 1 21 KEY BOARD 1 22 REAR_COVER L34WRC-Dhp4-p4 1 23 KEY BOARD 1 24 AUDIO BOARD 1 25 BKT_USB 1 26 CONNECTOR BOARD 1 27 CONNECTOR BOARD 1 S1 0D1G1030 5120 RA 10 S2 0M1G2940 10 47 CR3 4 S3 0M1G3030 5120 13 S4 QM1G38400601200ARA 1 S5 QQ1G353000412000RA 2 S6 0Q1G2030 6120 11 S7 0M1G102500404700RA 1 S8 Q01G6019 1 4 How to order parts The HP authorized rep
Capacitors by distributor Component description EC 680uF 20% 35V 12.5*20 3000 hr 2A EC 680uF 20% 35V 12.5*20 3000 hr 2A Location C9102 C9130 C9103 Component distributor Distributor part number Digi-Key EGPA350ELL681MK20S EGPA350ELL681MK20S Connectors by manufacturer Component description Location identifier Component distributor HDMI CN501 RS DP CN502 Farnell USB Type-C CN503 RS RJ-45 CN103 tme USB 3.0 A CN117/CN118 RS Phone Jack USB 3.
4 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” chapter of this guide. 2) Clean the room for disassembly. 3) Identify the disassembly area.
2) Use your fingers to split the left and right sides apart between the middle frame and rear case. 3) Insert the scraper bar tool into the gap between the middle frame and rear case, and then rotate. The hook opens. Repeat the steps. 4) Disassemble Rear Cover. 5) Remove the Control board wire, USB board wire and key board wire from the Interface-board.
6) Remove the Audio board wire, Connector board wire and Webcam module wire from the Interfaceboard. 7) Disassemble the USB board from the Rear Cover (if required). 8) Remove 2 screws from the bracket.
9) Disassemble 7 screws from the board. 10) Disassemble all the boards from housing. 11) Disconnect all the wires from the board. Power board The power board part number is PLPCLL482UAA1. Before removing the power board, follow these steps: ▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 13.
Connector repair This procedure includes HDMI, DisplayPort, USB Type-C, RJ-45 and USB 3.0 connectors. The connectors are on the main board (board part number CBPR1R4H0Q3). The connectors identifiers are as follows: Connector Location HDMI1 CN501 DP CN502 USB Type-C CN503 RJ45 CN103 USB 3.0 CN117 USB 3.0 CN118 Main Board CN501 CN502 CN503 CN103 CN117 CN118 This procedure includes Audio connector. The connectors are on the Audio board (board part number AUPCPQB2).
This procedure includes USB 3.0 A connectors. The connectors are on the Connector board (board part number CTPCPQE4). The connectors identifiers are as follows: Connector Location USB 3.0 A CN154 USB 3.0 A CN153 Audio Board CN154 CN153 Before repairing connectors, follow these steps: ▲ Prepare the monitor for disassembly. See Preparation for disassembly on page 13. IMPORTANT: • Repair Condition: Connector repair is only for out of warranty.
HDMI 1 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 CN501 connector from the circuit board. 4) Place the new component on the circuit board. Be sure that it matches the footprint. 5) Solder the new component.
3) Lift the CN502 connector from the circuit board. 4) Place the new component on the circuit board. Be sure that it matches the footprint. 5) Solder the new component. USB Type-C connector CN503 Repair the USB Type-C 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 CN503 connector from the circuit board. 4) Place the new component on the circuit board.
RJ45 connector CN103 Repair the RJ-45 connector: 1) Use a soldering iron and a de-soldering pump to remove as much solder as possible from the pin. 2) Lift the CN103 connector from the circuit board. 3) Place the new component on the circuit board. Be sure that it matches the footprint. 4) Solder the new component. USB 3.0A connector CN117& CN118 Repair the USB connector: 1) Use a hot air gun to melt the solder on the pins. Pin solder with soldering iron and absorber.
AUDIO connector CN610 Repair the Audio 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. 2) Lift the CN610 connector from the circuit board. 3) Place the new component on the circuit board. Be sure that it matches the footprint. 4) Solder the new component. USB 3.0 A connector CN154 & CN153 Repair the USB 3.
2) Lift the CN154、CN153 connector from the circuit board. 3) Place the new component on the circuit board. Be sure that it matches the footprint. 4) Solder the new component. 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 correctly on the monitor.
Video card is incompatible. 24 Image appears blurred, indistinct, or too dark. Check Video Cable is displayed on screen. Brightness is too low. Input Signal Out of Range is displayed on screen. The monitor does not enter into a low-power sleep state. “OSD Lockout” is displayed Video resolution and/or refresh rate are set higher than what the monitor supports. Power Button is Locked is Displayed The monitor's Power Button Lockout function is enabled. Monitor video cable is disconnected.
Index components front, 5 rear, 6 connector repair, 17 features, 3 firmware updates, 2 front components, 5 function test, 23 how to order parts, 11 illustrated parts catalog, 10 parts, 10 parts, ordering, 11 power board removal, 16 power connector location, 6 precautions, 1 preparation for disassembly, 13 RC removal, 13 rear components, 6 removal power board, 16 RC, 13 removal and replacement procedures, 13 returning to customer, 2 RoHS (2002/95/EC) requirements, 2 safety information, 1 serial number locat
