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Modifying BPL M9903-Two-In-One To House USB Unit In Place Of TapeThis two-in-one of BPL make was brought to me for servicing stating that the sound was intermittent and there were a lot of crackling noises. Working on a set...
- Posted March 30, 2020
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31.8 VDC Is Not Good Enough To Power Up LED TV BacklightThis Singer 32″ LED TV came in for repair with the complaint of no display but have power with green power LED lighted up. For your information, no display fault can be caused by many factors such...
- Posted March 28, 2020
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Track Served As A Fuse To Save CRT TV From LightningThis Sharp 20” CRT TV was brought to me in dead condition, after a lightning strike. As usual, my first job was to clean up the in and out of TV, which I did. Removed the PCB...
- Posted March 28, 2020
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An Unusual Microwave Oven Symptom RepairedA friend of mine approached me when I was picking up my son from school and asked me about his microwave oven. He had the oven in the trunk of...
- Posted March 28, 2020
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Replacing Working Components In Switch Mode Power SupplyThe OLAN 22″LCD TV came in with the complaint of no power symptom. Once the cover was removed I saw four circuit boards: Inverter Board Power Supply Board Main board USB...
- Posted March 23, 2020
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Working Of Relay And Its Interfacing With 8051 MicrocontrollerWhat is relay and why we need to use it: Relay is an electromagnetic switch operated by DC voltage to switch between the devices. Relay consist on a...
- Posted March 23, 2020
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Bleeding Diode ShortedThis week was a crazy repair week for me since most of the repair devices brought to me were microwave ovens that do not produce heat. This one...
- Posted March 23, 2020
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Still Have Hope In A Faulty Switch Mode Power SupplyThis Macksonic 32 inch LED TV came in for repair with the complaint of lightning struck. The customer asked me do my best to repair it because it was a gift by someone. The below photo is...
- Posted March 17, 2020
