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Samsung BN44-00493B power supply module may overheat due to several reasons:
- Failure in the PFC (Power Factor Correction) system 1. A blown mains fuse and a damaged key in the PFC can cause the key to overheat and short-circuit 1.
- Issues with the LP801S transformer 1. Replacing it with a suitable component might help resolve the problem 1.
- Poor soldering on high-ohm resistors 1. Improving the soldering quality can prevent overheating.
- Incorrect component selection 3. Using an IGBT transistor with parameters exceeding the original specifications can also lead to the key overheating 1.
For accurate diagnosis and repair, it is recommended to consult a specialist.
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