However, after checking standard Microchip KSZ80xx datasheets (e.g., KSZ8081, KSZ8091, KSZ8873, KSZ8563, etc.), in public release notes or version histories. The “S4lv0.2” part resembles a revision or draft watermark (Silicon Rev 0.2, or similar internal version).
When troubleshooting a display problem, checking the DC-DC rail outputs on the board using a digital multimeter is an essential first step. Below are the nominal target voltages under normal operation: Test Point / Rail Nominal Voltage Target Function Main input voltage supplied directly from the TV Mainboard VCC / VDD Logic supply voltage for the T-CON processor and EEPROM VCORE Core logic processing voltage for the central processor AVDD +15.5 V to +17.0 V
Because this board is physically bonded to the panel matrix via delicate COF (Chip-on-Film) tabs, . Ksz80 Ob S4lv0.2 Datasheet
Utilizes RMII v1.2 (Reduced Media Independent Interface) to connect with host controllers, which reduces pin count and saves board space. Power Management: Single Supply: Operates on a single 3.3V supply.
Because the KSZ80_OB_S4LV0.2 is vulnerable to thermal stress and component degradation, specific visual symptoms pinpoint exactly where the board is failing: Below are the nominal target voltages under normal
If this board fails, the TV may power on with sound and backlights active, but display the following issues: White Screen
If your diagnostic tests point to a faulty T-Con board, replacement is often the most practical solution due to the complex surface-mount components involved. Because the KSZ80_OB_S4LV0
Features dedicated integrated circuits (ICs) for scaling resolution, managing contrast, color depth, and mapping video signals to the physical grid of pixels on the display. 🛠️ Compatibility and Model Integration