Sharp LQ064A5CG01 | A Legacy of Reliability in Industrial & Automotive Displays
The Sharp LQ064A5CG01 stands as a testament to engineering designed for longevity and performance in demanding environments. While a legacy component, this 6.4-inch TFT LCD remains a critical part for maintaining and servicing a vast installed base of industrial machinery, automotive systems, and specialized test equipment. Its design philosophy prioritized operational stability over cutting-edge specifications, making it a trusted workhorse for nearly two decades.
Product Highlights at a Glance
For engineers tasked with system upkeep or seeking direct-fit replacements, the LQ064A5CG01 offers a specific and proven feature set:
- Exceptional Operating Temperature Range: Rated for -30°C to +85°C, it guarantees stable operation in environments where commercial-grade displays would fail, from unheated industrial sheds to in-vehicle dashboards exposed to extreme climates.
- Legacy System Compatibility: Features a standard Analog RGB interface, ensuring seamless integration with older video controllers and embedded systems without the need for digital signal converters.
- Robust Construction: Built by Sharp, a pioneer in LCD technology, the module includes an anti-glare surface treatment for improved readability and is engineered to withstand significant vibration and shock.
- Proven CCFL Backlight Technology: Utilizes a Cold Cathode Fluorescent Lamp (CCFL) backlight, a technology known for its stable performance and long service life in its era, providing consistent brightness and color.
Key Technical Parameters
The following table provides a quick reference for the core specifications of the Sharp LQ064A5CG01. This data is essential for validation and cross-referencing in repair and replacement scenarios.
| Parameter | Specification |
|---|---|
| Screen Size | 6.4 inch (16 cm) |
| Display Technology | a-Si TFT Active Matrix |
| Resolution | 400 x 234 pixels |
| Interface | Analog RGB |
| Brightness (Luminance) | 300 cd/m² (typ.) |
| Contrast Ratio | 100:1 (typ.) |
| Backlight System | 1x CCFL with Inverter |
| Operating Temperature | -30°C to +85°C |
| Storage Temperature | -40°C to +95°C |
For a complete breakdown of all electrical and mechanical specifications, you can Download the Official Sharp LQ064A5CG01 Datasheet.
Application Scenarios & Engineering Value
The unique combination of a wide temperature range and a legacy analog interface made the Sharp LQ064A5CG01 a first choice for specific applications where reliability was paramount.
- Automotive Infotainment & Navigation: In the late 1990s and 2000s, this display was a common sight in early in-dash navigation and multimedia systems. Its ability to handle extreme cabin temperatures and connect directly to the analog outputs of GPS and media modules was a significant design advantage.
- Industrial HMI Panels: On the factory floor, the LQ064A5CG01 served as the visual interface for PLCs and machine controllers. Its ruggedness ensured continuous operation amidst temperature fluctuations, dust, and vibration, providing operators with a clear, dependable readout. For more on modern displays, see The Ultimate Guide to TFT-LCD.
- Portable Test & Measurement Equipment: The display's straightforward integration and robust build made it ideal for portable oscilloscopes, spectrum analyzers, and diagnostic tools used by field technicians who required equipment that could perform reliably in any environment.
Frequently Asked Questions (FAQ) for Engineers
As a legacy component, the Sharp LQ064A5CG01 generates common questions regarding its maintenance and replacement.
1. Is the LQ064A5CG01 still in production?No, this is a discontinued model. However, due to its widespread use, it is often available as a service part or from specialized suppliers of legacy industrial LCD displays. The primary challenge is securing units with sufficient remaining backlight life.
2. What is the most common point of failure for this module?The most common service issue is the end-of-life of the CCFL backlight, which can result in dimming, flickering, or complete failure to illuminate. The backlight inverter can also be a point of failure. Proper industrial display maintenance can help identify these issues early.
3. Can I replace it with a modern LED-backlit display?A drop-in replacement is challenging. A modern panel would require an Analog-to-Digital (A/D) converter board to translate the legacy RGB signal to a digital format like LVDS. Additionally, mechanical fit and the non-standard 400x234 resolution make finding a direct modern equivalent difficult. For complex cases, it's best to contact our technical team to explore potential retrofit solutions.
