: Features a bridge rectifier formed by four diodes and a high-voltage electrolytic capacitor (e.g., ) for initial filtering.
If you want, provide a photo of the part, the PCB silkscreen, or the full schematic/context and I’ll identify the exact function and suggest datasheets or replacements.
Pulses the high-voltage DC through a transformer to create regulated output voltages. 4. Secondary Output & Feedback Components:
The Triac (BT136) controlling the heating element and the fan speed controller circuit. zd-95-g-f schematic
The (often listed with markings like CQC04001011196 or LK-PI460102A) is a power supply board commonly used in older Haier and Proscan LCD TVs, including models like the Haier L50B2180A and Proscan PLCD5085A. As with many electronic devices from that era, these boards can fail, making a schematic diagram essential for troubleshooting and repair.
: Often uses common switching regulators (such as the LD75xx series or OB2273) to pulse power to the primary winding of the main transformer.
This is the heart of the power supply.
The energy induced in the transformer secondary coils is rectified via high-speed Schottky diodes and smoothed by low-Equivalent Series Resistance (ESR) filtering capacitors.
A standard ceramic time-lag fuse safeguards the board from catastrophic overcurrent events.
: Used in thermal pots like the Tesler TP-5001. Maintenance and Procurement : Features a bridge rectifier formed by four
The brain of the primary side, cycling a high-power MOSFET switch at tens of kilohertz (kHz).
The AC input enters through a fuse and an EMI filter (coils and capacitors) to prevent electrical noise.
Based on the compiled data, you can reliably cross-reference your board if it matches any of these configurations: As with many electronic devices from that era,