HP V27c G5 - User Manual

Maintenance and Service Guide
V27c G5 model
SUMMARY
This guide provides information about spare parts, removal and replacement of parts, diagnostic tests, problem
troubleshooting, and more.

Summary

Getting Started

Important Safety Information

Crucial safety precautions for personnel and product operation during maintenance.

Service Information and Precautions

Guidelines for professional repairers, including ESD, RoHS, and component handling.

General Descriptions and Updates

Overview of service levels and information on obtaining firmware updates.

Returning Products for Service

Procedures and checks required before returning a repaired product to the customer.

Monitor Features

Front Components

Identifies and describes the components located on the front of the monitor.

Rear Components

Identifies and describes the components located on the rear of the monitor.

Serial and Product Number Location

Guide to finding the serial and product numbers on the monitor's labels.

Illustrated Parts Catalog

How to Order Parts

Information on how to order spare parts, including part numbers and distributors.

Removal and Replacement Procedures

Preparation for Disassembly

Essential steps and materials needed before starting monitor disassembly.

Rear Cover Removal

Step-by-step instructions for removing the monitor's rear cover.

Power Board Replacement

Procedure for removing and replacing the power board, including safety warnings.

Connector Repair

Detailed steps for repairing DisplayPort and HDMI connectors.

DP Connector CN501 Repair

Instructions for repairing the DisplayPort connector (CN501) using soldering tools.

HDMI Connector CN502 Repair

Instructions for repairing the HDMI connector (CN502) using soldering tools.

Function Test

Methods to confirm all monitor functions are operational after repair.

Support and Troubleshooting

Common issues, their causes, and recommended solutions for monitor problems.

Overview

1. Usage Features
2. Maintenance Features

This document serves as a comprehensive Maintenance and Service Guide for the HP V27c G5 monitor, providing essential information for trained service personnel. It outlines the monitor's functionalities, features, and detailed procedures for maintenance, repair, and troubleshooting.

The HP V27c G5 monitor is designed to offer a high-quality visual experience, suitable for various applications from general computing to gaming and multimedia consumption. Its core function is to display visual information from a connected source device, such as a computer or game console, with clarity and precision. The monitor integrates several features aimed at enhancing user experience and operational efficiency.

Usage Features:

The monitor boasts a substantial display area, with a 68.58 cm (27-inch) screen that supports lower resolutions with custom scaling to maintain image size while preserving the original aspect ratio. It offers an 80 cm (31.5-inch) diagonal viewable screen area with a high resolution of 2560 × 1440, ensuring sharp and detailed visuals. Depending on the specific product model, the display technology can be either Liquid Crystal Display (LCD) with active matrix and in-plane switching (IPS) or LCD with active matrix and vertical alignment (VA), both designed to deliver vibrant colors and wide viewing angles. The inclusion of an sRGB color gamut further ensures accurate color reproduction.

For user comfort, the monitor features a nonglare panel with an LED backlight, reducing reflections and eye strain. It offers tilt capabilities, allowing users to adjust the screen angle for optimal viewing. Select models also include height adjustment capabilities, providing ergonomic flexibility. The monitor incorporates On-Screen Display (OSD) adjustments, available in multiple languages, for easy setup and fine-tuning of screen optimization settings. An energy saver feature is integrated to meet requirements for reduced power consumption, contributing to environmental sustainability.

Security and connectivity are also key aspects of the V27c G5. A security cable slot is located on the rear of the monitor, allowing for the attachment of an optional security cable to deter theft. A cable management feature helps organize and conceal cables and cords, contributing to a tidy workspace. Some models are equipped with integrated speakers, offering an all-in-one multimedia solution.

Connectivity options are versatile, catering to a range of source devices. These include a VGA port (on select products), a DisplayPort™ video input (on select products), a High-Definition Multimedia Interface™ (HDMI™) video input, and a USB Type-C® port (on select products). The monitor supports Plug and Play capability, simplifying setup with compatible operating systems.

The monitor stand is designed for flexibility, being removable to allow for alternative mounting solutions. It features VESA® mounting capability (100 × 100 mm), enabling users to attach the monitor to a swing arm mount or other VESA-compatible brackets. Support for a mounting bracket to attach the monitor to a workstation further enhances its adaptability in various professional environments.

Front components include a Power LED, which indicates the monitor's power status, and a Power button to turn the monitor on or off. Rear components feature a Joypad OSD button for accessing OSD settings, a security cable slot, a power connector, and the aforementioned video input ports (DisplayPort, HDMI, and VGA). The serial number and product number are conveniently located on a Safety label at the rear of the monitor, essential for support inquiries.

Maintenance Features:

The guide emphasizes that only trained service personnel should perform maintenance and service operations, highlighting the importance of safety information and precautions. Repair procedures are categorized into two levels: Level 1 for cosmetic/appearance/alignment service and Level 2 for circuit board or standard parts replacement.

Key maintenance information includes:

• Safety Precautions: Strict adherence to safety guidelines is paramount. This includes ensuring a dry and clean working environment, using proper safety devices, approved tools, and test equipment. It is crucial to disconnect the power supply before opening the product's cabinet.
• Electrostatic Discharge (ESD) Safety: Modules containing electrical components are sensitive to ESD, necessitating the use of ESD safety procedures during handling.
• Battery Handling: For products with batteries, warnings against disassembly or exposure to high temperatures are provided, along with a reminder to refer to government requirements for battery recycling or disposal.
• RoHS Compliance: The monitor meets RoHS requirements, and service personnel are instructed to use lead-free solder wire when soldering. When replacing capacitors, it is essential to match polarity, specification, and part number, and to insert new parts carefully to prevent short circuits.
• Circuit Board Care: Technicians are advised to avoid getting the board wet, as water and moisture can cause malfunctions. Quick soldering is recommended to prevent overheating the circuit board, and the soldering iron tip must be kept clean and well-tinned. After repair, a close inspection of the circuit board is required to confirm its good condition, followed by a function test to ensure the power supply is working properly.
• ERP Lot5 Requirement: Professional repairers must possess technical competence, comply with regulations for electrical equipment repairers in Member States, and have insurance covering liabilities from repairs.
• Firmware Updates: Information on where to find firmware updates (support.hp.com) is provided, with a note that updates are only necessary if posted.
• Pre-Return Checks: Before returning a repaired product to the customer, an AC leakage current check on exposed metallic parts is mandatory to ensure electrical safety.
• Parts Ordering: The guide details how to order spare parts, including the power board, capacitors, and connectors, from HP authorized repair centers and specified EU distributors like Farnell, RS Component, and Element14. It also directs users to https://partsurfer.hp.com/Search.aspx for cables and internal/external power supplies.
• Disassembly Procedures: Detailed steps for preparing the monitor for disassembly are provided, including cleaning the work area, identifying the disassembly area, and preparing necessary equipment such as a press fixture, working table, screwdriver, knife, gloves, cleaning cloth, ESD protection, and a scraper bar.
• Component Removal and Replacement: Specific instructions are given for removing the rear cover, disconnecting connectors, tearing off tapes, removing the main frame and Mylar, disassembling screws from boards, and disconnecting wires.
• Power Board Removal: A dedicated section outlines the process for removing the power board, including identifying connector positions and a warning about charged capacitors after unplugging the power supply.
• Connector Repair: Procedures for repairing DisplayPort (CN501) and HDMI (CN502) connectors on the main board are detailed, involving the use of a soldering iron, de-soldering pump, and hot air gun, followed by careful placement and soldering of new components. Important notes on repair conditions, electrostatic protection, and matching specifications are included.
• Function Test: After any repair, a function test is required to confirm that all monitor functions, including HDMI and DisplayPort image and sound display, are working correctly.
• Troubleshooting: A comprehensive troubleshooting table lists common issues, possible causes, and recommended solutions, covering problems like a blank screen, "Input Signal Out of Range" messages, OSD and Power Button Lockouts, monitor waking from Sleep mode, incorrect resolution/refresh rate, and slow USB device performance.

This guide ensures that service personnel have the necessary information to safely and effectively maintain and repair the HP V27c G5 monitor, extending its lifespan and ensuring optimal performance.

HP V27c G5 Specifications

General

Screen Size	27 inches
Panel Type	VA
Refresh Rate	75 Hz
Viewing Angle	178° horizontal, 178° vertical
Curvature	1500R
Aspect Ratio	16:9
Color Support	16.7 million colors
Color Gamut	99% sRGB
Built-in Speakers	No
Resolution	1920 x 1080
Response Time	5 ms
Contrast Ratio	3000:1
Connectivity	HDMI, VGA
Tilt	-5 to +20°
VESA Mount	100 x 100 mm
Power Consumption	0.5W sleep