The "Ksz80 Ob S4lv0.2" is an identifying marking on a specific T-Con board, not an off-the-shelf component. It's most likely found inside 40-inch Sony or JVC LCD TVs, dating back to around 2013.
If your repair points to the T-Con board itself, you have several options. The table below summarizes potential replacement and compatible options based on available information. Be aware that this is not an exhaustive cross-reference and is based on community reports, not an official vendor list.
A prevalent issue observed across Sony models utilizing the KSZ80_0B_S4LV0.2 board is the failure mode. The Root Cause: Shorted AVDD Capacitors
Uses Time Domain Reflectometry (TDR) to analyze the cable status. Ksz80 Ob S4lv0.2 Datasheet
If you are replacing a faulty board, it is highly recommended to match the exact PCB number (KSZ80_0B_S4LV0.2) as well as the television's panel sticker number to ensure correct firmware, resolution mapping, and gamma settings. 🩺 Diagnostic Guide: When to Replace the Scaler Board
I noticed a few people searching for this specific revision string, so I wanted to share a quick resource guide and a clarification for anyone designing with this PHY.
For more information on the Ksz80 Ob S4lv0.2, please refer to the following resources: The "Ksz80 Ob S4lv0
If you are dealing with a malfunctioning display using this specific board architecture, proceed with these hardware testing steps: 1. Isolate and Safe-Check the Power
: Operates on a 25 MHz clock generated by the PHY. It uses a 4-bit wide data bus for both transmit ( TXD[3:0] ) and receive ( RXD[3:0] ), offering broader compatibility with legacy hardware processors. Management Interface (SMI) The Serial Management Interface consists of two lines:
Understanding the KSZ80 OB S4LV0.2 T-CON Board The is a widely utilized Timing Controller (T-CON) board found predominantly in Sony television displays, such as the Sony KDL-40R470A . When technicians and electronics hobbyists search for a "datasheet" for this specific board, they are typically looking for schematic diagrams, pinout configurations, and component level data to troubleshoot display malfunctions like lines on the screen, ghosting, or a complete lack of video. 🛠️ Board Specifications & Overview The Root Cause: Shorted AVDD Capacitors Uses Time
Proper PCB layout is vital for maintaining signal integrity on high-speed 100Mbps Ethernet transmission lines. Failure to follow layout standards can result in packet drops, high electromagnetic interference (EMI), or complete link failure. Differential Pair Routing
The Ksz80 Ob S4lv0.2, like any electronic component, plays a specific role in the broader context of electronic design and manufacturing. By thoroughly analyzing its datasheet, engineers and designers can unlock its full potential, ensuring its successful integration into their projects. Moreover, understanding the capabilities and limitations of components like Ksz80 Ob S4lv0.2 is crucial for innovation, enabling the development of more sophisticated and efficient electronic systems.
While this is a board-level part, "KSZ80" often appears in Microchip/Micrel Ethernet PHY naming (like the KSZ8081). However, in the context of TV repair, the board itself is the functional unit. Relevant internal architectures for this series include: