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LCD/LED display timing control for Full-HD (1080p) or WXGA progressive scan panels.
The KSZ8081 is built on Microchip’s (formerly Micrel) proprietary mixed-signal design. It is engineered to provide low power consumption and high robustness against electromagnetic interference (EMI). The "OB" designation typically refers to specific silicon revisions or packaging variants used in high-density PCB designs. Key Technical Specifications
It handles the high-speed LVDS (Low-Voltage Differential Signaling) data, ensuring accurate color reproduction and motion handling.
Main input voltage (typically 12V or 5V coming from the mainboard). VDD / VIO: Logic supply voltage (usually 3.3V ). Ksz80 Ob S4lv0.2 Datasheet
Typically measures around 53.5 cm in length and 2.00 cm in width (varies slightly based on exact manufacturer build).
Includes LinkMD® TDR-based diagnostics , allowing the system to identify cable faults like opens or shorts. 3. Design and Integration Highlights Buy Original LED TV Scaler PCB Board KSZ80-0B-S4LV0.2
Place 0.1µF and 1.0µF ceramic decoupling capacitors directly adjacent to every VDD pin to minimize high-frequency power supply switching noise. LCD/LED display timing control for Full-HD (1080p) or
: It typically operates on a 12V VCC input and generates secondary voltages for the panel, including: 3.3V : Logic power. VGH / VGL : Gate high/low voltages for pixel switching. AVDD : Analog supply for the source driver. Common Issues and Troubleshooting
While a dedicated "S4LV0.2" datasheet is often proprietary to the board manufacturer, this hardware is built around the of Ethernet Physical Layer (PHY) transceivers, which provides the core networking or data-link capabilities. 1. Hardware Overview: KSZ80_0B_S4LV0.2 Scaler Board
Determines operation mode (RMII back-to-back, clock mode, or energy detect). 3. Power Management and Voltage Regulation The "OB" designation typically refers to specific silicon
Self-destruct sequence initiated upon unauthorized remote access.
The part number is consistently associated with a T-Con board under the broader commercial model LSY400HM02-A02 . This board is designed to interface with a specific 40-inch LCD panel model, the S400DH1-3 .
| Parameter | Min | Typ | Max | Unit | |-----------|-----|-----|-----|------| | Output voltage range (each channel) | 1.8 | 3.3 | 5.0 | V | | Output current (per channel) | – | 0.2 | 0.22 | A | | Dropout voltage @ 200mA | – | 150 | 250 | mV | | Line regulation | – | 0.05 | 0.1 | %/V | | Load regulation | – | 0.1 | 0.5 | % | | PSRR @ 1kHz | 50 | 60 | – | dB |
The PMIC generates critical voltages required by the liquid crystal display panel. When diagnostics are required, these test points are the first things a technician should measure:
If the board is faulty or the panel has an internal short, the following voltages are typically missing: VGH (Gate High) VGL (Gate Low) AVDD (Analog Supply Voltage). Common Issues and Fixes