All posts by Jestine Yong
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Track Served As A Fuse To Save CRT TV From Lightning
This 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 Repaired
A 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 Supply
The 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 Microcontroller
What 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 Shorted
This 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 Supply
This 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
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Unsatisfactory Attempt To Restore Panel Problem In SONY LCD TV
This is a story of an unsatisfactory attempt to restore the panel of this Sony LCD TV. When the TV was brought to me with the complaint of intermittent on/off problems and lines in panel, my first...
- Posted March 17, 2020
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Xbox Drive Rejecting CD’s Repaired. Model: Xbox One S
A customer came into my shop and brought with him an Xbox one S. He explained the fault with this device as it was not taking any CD’s...
- Posted March 17, 2020












