Repair technicians frequently encounter the following failure points on this specific board: Capacitor Failure:
refers to a specific power supply board commonly used in Haier LCD televisions , as well as some Proscan models.
| Pin | Name | Function | |-----|----------|--------------------------------------------| | 1 | FB | Feedback input (connects to output via divider) | | 2 | GND | Ground | | 3 | COMP/NC | Compensation (or not connected) | | 4 | CS | Current sense (across sense resistor to GND)| | 5 | VCC | Supply voltage (usually 12-18V from auxiliary winding) | | 6 | DRAIN | Internal MOSFET drain (to transformer/inductor) |