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This document serves as a Maintenance and Service Guide for the HP E14 G4 model, providing comprehensive information for trained service personnel. It outlines procedures for identifying spare parts, removal and replacement of components, diagnostic tests, and problem troubleshooting. The guide emphasizes safety information and precautions, ensuring that all service operations are performed safely and reliably.
The device, an HP E14 G4 monitor, is designed with portability and user convenience in mind. Its primary function is to serve as an external display, offering a clear and vibrant visual experience. The monitor features a 35.6cm (14-inch) diagonal viewable screen area with a 1920 x 1080 resolution, supporting full-screen display for lower resolutions as well. This makes it suitable for various tasks, from professional work to casual viewing. The anti-glare panel with an LED backlight enhances visibility in different lighting conditions, reducing eye strain.
One of the key usage features of the E14 G4 model is its wide viewing angle, which allows for comfortable viewing from various positions, whether sitting, standing, or moving from side to side. This flexibility is particularly beneficial in collaborative environments or when sharing content with others. The monitor is equipped with double USB Type-C ports, which serve as both power and video inputs. This streamlined connectivity simplifies setup and reduces cable clutter, as a single USB Type-C cable can handle both power delivery and video signal transmission. The inclusion of an integrated adjustable stand further enhances its usability, allowing users to set the monitor at multiple viewing angles to suit their ergonomic preferences.
The E14 G4 monitor also boasts plug-and-play capability, meaning it can be easily connected to compatible operating systems without the need for complex driver installations. This feature ensures a hassle-free user experience, allowing for quick setup and immediate use. For advanced customization and screen optimization, the monitor includes On-Screen Display (OSD) adjustments available in several languages. These adjustments allow users to fine-tune various display settings, such as brightness, contrast, and color, to achieve their desired visual output. An energy saver feature is integrated to meet requirements for reduced power consumption, contributing to environmental sustainability and lower operating costs. To protect the screen from scratches and facilitate safe transport, the monitor comes with a fabric carrying case, highlighting its portable design.
Maintenance features are extensively covered in the guide, catering to professional service technicians. The document outlines two levels of service: Level 1 for cosmetic/appearance/alignment service and Level 2 for circuit board or standard parts replacement. It provides detailed instructions for the preparation for disassembly, emphasizing the importance of a dry, clean working environment and the use of proper safety devices and approved tools. Technicians are advised to disconnect the power cord before opening the monitor to prevent component damage and to follow ESD safety procedures when handling electrical components.
The guide includes an illustrated parts catalog, which is crucial for identifying major components and ordering spare parts. It lists components such as the front bezel, panel, chassis, rear cover, stand, and various screws, along with their respective quantities. Information on how to order parts is provided, directing technicians to specific EU distributors like Farnell and RS Component for connectors, and the HP part store for cables. This ensures that genuine and compatible parts are used for repairs.
Detailed removal and replacement procedures are provided for various components, including the RC (Rear Cover), panel, chassis assembly, and PCB assembly. The instructions are accompanied by illustrations to guide technicians through each step, such as separating the bezel, removing fixed glue and acetate tape, and releasing screws. Specific attention is given to connector repair, particularly for the USB-C connectors (P201, P301) located on the main board. The guide describes the use of a hot air gun to remove old connectors and the precise steps for placing and soldering new components, ensuring they match the PCB footprint.
After any repair, a function test is mandatory to confirm that all functions are working correctly. For instance, after a USB-C connector repair, technicians must confirm that the image displays and sound plays correctly on the monitor, typically using a computer or DVD player. The troubleshooting section is a valuable maintenance feature, listing common problems, their possible causes, and recommended solutions. This includes issues like a blank or flashing screen, the monitor being off, blurred images, or OSD lock functions. Solutions range from checking power and video cable connections to adjusting OSD settings and performing button resets. The guide also highlights the importance of using lead-free solder wire and matching capacitor polarities and specifications during repairs, adhering to ROHS requirements. Furthermore, it emphasizes performing an AC leakage current check before returning a repaired product to the customer to ensure electrical safety. Firmware updates, if available, are directed to support.hp.com, ensuring the monitor operates with the latest software enhancements.
General| Color gamut | 72 % |
|---|---|
| Pixel pitch | 0.161 x 0.161 mm |
| Screen shape | Flat |
| Pixel density | 157 ppi |
| Display diagonal | 14 \ |
| Display technology | LED |
| Native aspect ratio | 16:9 |
| Vertical scan range | 59 - 60 Hz |
| Maximum refresh rate | 60 Hz |
| Horizontal scan range | 30 - 80 kHz |
| Contrast ratio (typical) | 800:1 |
| Display brightness (typical) | 400 cd/m² |
| Supported graphics resolutions | 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1440 x 900 (WXGA+), 1600 x 900, 1680 x 1050 (WSXGA+), 1920 x 1080 (HD 1080) |
| Built-in USB hub | Yes |
| DisplayPorts quantity | 0 |
| USB upstream port type | USB Type-C |
| Power consumption (standby) | 0.3 W |
| Power consumption (typical) | 6 W |
| Operating temperature (T-T) | 5 - 35 °C |
| Storage relative humidity (H-H) | 5 - 95 % |
| Operating relative humidity (H-H) | 20 - 80 % |
| Package depth | 61 mm |
| Package width | 405 mm |
| Package height | 284 mm |
| Package weight | 1540 g |
| Tilt angle range | 0 - 78 ° |
| Certification | BIS; BSMI; CB; CCC; CE; cTUVus; EAC; ENERGY STAR®; FCC; ICES; ISE for Cambodia; ISO 9241-307; KC/KCC; NOM; SEPA; Taiwan Green Mark; TUV/GS; VCCI; Vietnam MEPS; WEEE; ISC; WW application; UAE |
| Product color | White |
| Market positioning | Business |
Weight and Dimensions| Depth (with stand) | 15.2 mm |
|---|---|
| Width (with stand) | 321.4 mm |
| Height (with stand) | 210 mm |
| Weight (with stand) | 640 g |
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