of Ethernet Physical Layer (PHY) transceivers, originally developed by and now maintained by Microchip Technology
While the exact string "ob s4lv02" is not part of the standard commercial part numbers, it likely refers to a specific revision or board marking for chips such as the Official Datasheets for the KSZ80 Series
You can find the comprehensive technical specifications for these transceivers on the Microchip Technology website . Key datasheets include: KSZ8081MNX/RNB Data Sheet
: Covers the 10Base-T/100Base-TX transceivers with MII/RMII interfaces. KSZ8091MNX/RNB Data Sheet
: Includes details on Energy Efficient Ethernet (EEE) and Wake-on-LAN (WOL) support. KSZ8041NL/RNL Data Sheet
: Details the single-port 10/100 Ethernet PHY with support for multiple interfaces. Microchip Technology General Specifications Most chips in this series share these core characteristics: KSZ8081MNX/RNB Data Sheet - Microchip Technology
Here is the correction of the text:
KSZ8081MNX or KSZ8081MND (for different packages or automotive grades). It could also be a typo for the SLLS452 document number (often seen on older Texas Instruments PHY datasheets), but given the "ksz" prefix, the Microchip/Micrel part is the primary match.ksz80 ob s4lv02 – Possible misreading of a complete module labelSome embedded modules (e.g., WiFi + Ethernet gateway modules) combine:
The string might be a silkscreen or sticker from a PCB:
KSZ8081 OB (maybe OB = build option) S4LV02 = 24LC02.
| Part you see | Real part | Type | |--------------|-----------|------| | S4LV02 | Sony CXK4S4LV02 | 2Mbit Low-Voltage SRAM | | KSZ80 | Possibly KSZ8721 or KSZ8081 | Ethernet PHY/switch |
They are two different chips combined in a BOM or silkscreen label “KSZ80 OB S4LV02” as a board assembly code or handwritten note.
If you can share a photo of the chip marking and package, I can likely identify it exactly. Would you like help searching a specific manufacturer database instead?
The keyword "KSZ80 OB S4LV0.2" does not refer to a standalone semiconductor component like a typical Ethernet transceiver. Instead, it is the identifying marking for a T-CON (Timing Controller) board typically used in Sony BRAVIA LCD televisions, most notably the Sony KDL-40R470A ksz80 ob s4lv02 datasheet
The term "KSZ80" in this context is part of the board’s silk-screen assembly number, and it should not be confused with the Microchip KSZ8081 series of Ethernet PHYs, which share a similar prefix but serve entirely different functions. Overview of the KSZ80 OB S4LV0.2 T-CON Board
The T-CON board acts as the "brain" of the display panel. It receives video data from the television's main logic board (via LVDS cables) and translates it into the specific timing signals required by the Source and Gate drivers to activate the individual pixels on the LCD. Primary Application: Used extensively in the Sony KDL-40R470A and related 40-inch LED/LCD models.
Board Markings: KSZ80 OB, S4LV0.2, and often secondary identifiers like LJ94-25257D LJ94-25482B
Role in TV Repair: This board is the first suspect when a TV has sound but no picture, or shows vertical/horizontal lines and distorted colors. Technical Specifications and Connectivity
While a full "datasheet" in the semiconductor sense isn't public (as these are proprietary Sony/Samsung parts), repair technicians rely on the following technical characteristics: Specification Input Interface Dual-channel LVDS (Low-Voltage Differential Signaling) Compatible Screen Size 40-inch LED/LCD Panels Major ICs
Typically includes a Samsung or Sony proprietary timing controller chip Power Inputs 12V (VCC), VGH, VGL, and AVDD (Analog Supply) Status Indicators
Surface-mount LEDs (on some revisions) to indicate power-good status Troubleshooting Common Faults
If you are searching for this board's datasheet to repair a faulty television, look for these common failure points:
SMD Fuse Failure: The most common issue is a blown surface-mount fuse (often labeled F1) near the LVDS connector. If this fuse is open, the board receives no power, resulting in a black screen despite a working backlight.
Gamma IC Failure: Distorted or "washed out" colors are often caused by a failing Gamma IC (AS15-F or similar) which manages the reference voltages for color accuracy.
VGH/VGL Voltage Issues: Using a multimeter, technicians check for VGH (typically +20V to +30V) and VGL (typically -5V to -10V). If these are missing, the screen will likely remain blank or display a slowly fading image. Where to Source Parts
Because these boards are specific to certain TV models, they are typically found as salvaged or refurbished parts rather than new retail items. You can find listings for this specific board on eBay or Kupindo. "ksz80 ob" $\rightarrow$ KSZ8081 (A very common 10/100
Are you attempting to diagnose a specific display issue like a black screen or color distortion on your Sony TV? Kupindohttps://www.kupindo.com SONY panel KSZ80 OB S4LV0.2 - Kupindo.com (70628949)
Table_title: SONY panel KSZ80 OB S4LV0.2 Table_content: header: | Želi ovaj predmet: | 1 | row: | Želi ovaj predmet:: Stanje: | 1: Harry Electronicshttps://www.harryelectronics.com T.CON BOARD SONY KDL-40R470A KSZ80 OB S4LV0.2
The KSZ80_0B_S4LV0.2 is a specific LED/LCD TV Scaler PCB Board (or Panel Scaler Board) used in television displays. Key Specifications & Identification Part Type: Scaler Board / Panel Scaler PCB.
PCB Number: KSZ80_0B_S4LV0.2 (sometimes written with underscores or hyphens as KSZ80-0B-S4LV0.2).
Application: It is a critical component for processing video signals for the LED/LCD panel. Technical and Installation Notes
Professional Handling Required: This board typically requires professional installation using an LED Panel bonding machine (specifically for COF punching). It is not considered a user-replaceable part without specialized industrial equipment.
Originality: When sourcing this part, ensure it is a 100% original match to the PCB number to maintain the TV's original display quality.
Suppliers: This part is often stocked by specialized electronics suppliers like Great Bharat Electronics, who test these units under real TV simulation conditions. Buy Original LED TV Scaler PCB Board KSZ80-0B-S4LV0.2
✅ Type of Part. LED/LCD Scaler Board (Panel Scaler PCB) Number KSZ80_0B_S4LV0.2. 🔒 Assurance of Originality. This product is 100% Great Bharat Electronics Buy Original LED TV Scaler PCB Board KSZ80-0B-S4LV0.2
✅ Type of Part. LED/LCD Scaler Board (Panel Scaler PCB) Number KSZ80_0B_S4LV0.2. 🔒 Assurance of Originality. This product is 100% Great Bharat Electronics
KSZ80-0B-S4LV0.2 isn't just a string of characters; it is a critical LED/LCD TV Scaler PCB Board
. While "KSZ80" often refers to a family of high-performance Ethernet PHY transceivers manufactured by Microchip Technology , in the context of the or Analog Devices. However
revision, it represents the "brain" of a television's display panel. The Story of a TV’s Revival
Imagine a high-definition LED TV that suddenly goes dark. The backlight might be on, but the images—the vibrant colors of a nature documentary or the sharp lines of a video game—have vanished. Inside, the culprit is often a failed scaler board. The Diagnosis : A technician opens the chassis and identifies the KSZ80-0B-S4LV0.2 PCB
. This specific board is responsible for taking incoming video signals and "scaling" them to fit the exact resolution of the LCD panel. The Component : The board likely utilizes a KSZ80 series chip , such as the Microchip KSZ8081 , which manages data transmission at 100Mbps speeds The Repair : Finding an KSZ80_0B_S4LV0.2 board is essential for maintaining the original display quality
. Because these parts are often pre-owned and salvaged from "screen-damaged" units, they undergo rigorous testing by certified technicians to ensure they can still process signals perfectly. The Result : Once swapped, the tiny transceivers and controllers begin their work again. Data flows through the RMII or MII interfaces , and the TV "wakes up," returning to its former glory. Key Technical Specifications
Microcontroller interface (SPI/I2C)
Ethernet PHY usage (if relevant)
Level-shifter / IO buffer usage
KSZ80 — This looks like a Microchip (formerly Micrel) part number prefix:
S4LV02 — This strongly resembles an SRAM part number pattern:
In the world of embedded systems, industrial control, and telecommunications, component datasheets are the "holy grail" for engineers. A search query like "ksz80 ob s4lv02 datasheet" presents a unique challenge. At first glance, this string does not perfectly match a standard manufacturer’s part number from major vendors like Texas Instruments, Microchip, or Analog Devices.
However, for the technician or procurement specialist, such a fragmented code usually points towards a custom or OEM-specific marking on a chip. This article will break down each segment of the keyword, hypothesize the actual underlying component, explain how to interpret "house numbers" (OB/S4LV02), and provide a pathway to finding the functional datasheet you need.