This document is a Maintenance and Service Guide for the OMEN 27c monitor, providing comprehensive information for trained service personnel regarding spare parts, removal and replacement procedures, diagnostic tests, and troubleshooting.
Function Description:
The OMEN 27c is a high-performance curved gaming monitor designed for an immersive visual experience. It features a three-sided borderless design, offering a wide and expansive display area. The monitor is equipped with various input and output ports to connect to different source devices like computers and game consoles, as well as peripheral devices. Its on-screen display (OSD) controller allows users to adjust monitor settings for optimal viewing. The monitor also includes a removable stand and VESA mounting capability for flexible placement options.
Important Technical Specifications:
- Display Size: 68.5 cm (27 inches) curved monitor
- Resolution: 2560 × 1440
- Refresh Rate:
- 240 Hz (DisplayPort)
- 144 Hz (HDMI)
- Panel Type: Liquid Crystal Display (LCD) with active matrix and vertical alignment (VA)
- Backlight: LED backlight
- Color Gamut: Wide color gamut with DCI-P3 color space coverage
- Certifications: HP Eye Ease with Eye safe certification (default mode) for reduced blue light emission.
- Video Inputs:
- DisplayPort™ video input (cable included)
- High-Definition Multimedia Interface™ (HDMI) video input
- USB Ports:
- USB Type-C® port (data only)
- USB Type-A ports (for peripheral devices like keyboard, mouse, or USB flash drive)
- Audio Output: Audio-out (headphone) jack
- Mounting: VESA® mounting capability (100 × 100 mm)
- Power Input Rating: 19.5V - 6.15A
- Power Consumption: 25.5 Wh
Usage Features:
- Immersive Display: Three-sided borderless curved design with high resolution and refresh rates for a smooth and detailed visual experience, particularly beneficial for gaming.
- Color Accuracy: Wide color gamut and DCI-P3 color space presets (Gaming mode) ensure vibrant and accurate colors.
- Eye Comfort: HP Eye Ease with Eye safe certification reduces blue light to minimize eye strain during prolonged use.
- Wide Viewing Angle: Allows for comfortable viewing from various sitting or standing positions.
- Adjustability: Height and tilt adjustment capabilities for ergonomic setup.
- OSD Adjustments: Multi-language on-screen display for easy setup and screen optimization.
- Connectivity: Multiple video inputs (DisplayPort, HDMI) and USB ports (Type-C, Type-A) for versatile device connections.
- Plug and Play: Supports Plug and Play functionality with compatible operating systems.
- Security: Security cable slot for an optional security cable to deter theft.
Maintenance Features:
The manual outlines two levels of service:
- Level 1: Cosmetic/appearance/alignment service.
- Level 2: Circuit board or standard parts replacement.
- Service must be performed by trained service personnel only, familiar with the product and its safety information.
- Disconnect power before opening the monitor.
- Maintain a dry and clean working environment.
- Use proper safety devices and approved tools.
- Modules with electrical components are sensitive to electrostatic discharge (ESD); follow ESD safety procedures.
- RoHS Compliance: The monitor meets RoHS requirements, necessitating the use of lead-free solder wire for repairs. Replacement parts must also be RoHS compliant if the original parts were.
- Capacitor Replacement: Ensure correct polarity, matching specifications, and part numbers with the Bill of Materials (BOM). Insert new parts carefully to avoid short circuits.
- Soldering: Work quickly to avoid overheating the circuit board. Keep the soldering iron tip clean and well-tinned.
- Liquid Avoidance: Do not get the board wet to prevent short circuits and malfunctions.
- Post-Repair Inspection: Perform a close inspection of the circuit board and a function test to confirm proper operation.
- Firmware Updates: Available at support.hp.com.
- AC Leakage Current Check: Essential after repair on exposed metallic parts to ensure safety before returning the product to the customer.
Illustrated Parts Catalog:
The manual includes an illustrated parts catalog with descriptions and quantities for major components such as DECO, PANEL, MID FRAME, BTM SHD, CTRL BD, LED BD, RC OMEN 27C, Main BD, TOP SHD, RC BUCKET, HINGE, VESA COVER, and STAND.
Removal and Replacement Procedures:
Detailed steps are provided for disassembly, including:
- Preparation for disassembly, specifying required equipment like press fixtures, screwdrivers, knives, gloves, cleaning cloths, ESD protection, and a curve sponge jig to protect the panel.
- Step-by-step instructions for removing the Rear Cover, including screws, hinge cover, and various tapes.
- Procedures for disassembling the Top SHD, Main BD, Ctrl BD, and LED BD, including the removal of cables like LVDS and lamp wires.
- Instructions for disassembling DECO, MF, and Bottom SHD from the Panel, including the removal of acetate tapes and the LVDS cable.
Connector Repair (Out of Warranty):
Specific repair procedures are detailed for HDMI (J4), DisplayPort (J3), USB Type C (J13), and USB Type A (J9, J10) connectors on the Main Board (part number 5E.5A501.001). These procedures involve:
- Using a soldering iron and de-soldering pump to remove solder.
- Using a hot air gun to melt solder on pins.
- Lifting the old connector from the PCB.
- Placing the new component, ensuring it matches the PCB footprint.
- Soldering the new component.
- Important for Connector Repair: This is only for out-of-warranty monitors and must be performed by professional repairers. Electrostatic protection is required.
Function Test:
After any repair, a function test is required to confirm all functions are working correctly. This includes:
- HDMI Test: Confirm image and sound display correctly using a computer or DVD player.
- DP Test: Confirm image and sound display correctly using a computer or DVD player.
- USB Type C/USB Type A Test: Connect a USB wire with a PC and monitor, and a USB drive to check USB function.
Support and Troubleshooting:
A table lists common problems, possible causes, and recommended solutions, covering issues like:
- Blank screen or flashing video.
- Monitor being off.
- Improperly connected video cable.
- System in Sleep mode.
- Incompatible video card.
- Blurred or indistinct image (low brightness).
- "Check Video Cable" message.
- "Input Signal Out of Range" message.
- Monitor not entering Sleep mode.
- "On-Screen Menus are Locked" message.
- "Power Button is Locked" message.
The manual emphasizes that HP continually improves and changes product parts, directing users to http://partsurfer.com for the latest information on supported parts.
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