All posts by Jestine Yong
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No Schematic? Don’t Worry, Here Is A Way To Solved – PHOENIX Open Care Warmer OCW100
The power supply board of this warmer which also handles the heating of a carbon crystal element, was brought to me with the complaint that the connector portion of the...
- Posted August 22, 2026
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AVG F3 – Black Portable Bluetooth Speaker
I came across a Bluetooth speaker with a non-functional USB port. Upon inspection, I discovered that the USB connector was damaged internally; the plastic piece inside the port that holds the pins...
- Posted August 22, 2026
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The Inside Of A USB Portable Rechargeable Soldering Iron
This is a handy tool that I bought a few months back. I used this often when working on SMD components and doing some minute soldering works. The backup time, unfortunately, is not good...
- Posted August 22, 2026
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Completed Another Higher Advanced Electronics Repair Level 3 Course
Completed today another Higher Advanced Electronics Repair Level 3 Course for 2 participants. Below are the photos taken during the 3 days course: Likes(6)Dislikes(0)
- Posted August 21, 2026
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Toshiba LED TV Dead No Power
I received a Toshiba TV for repair that had a ‘dead’ condition (no power). Upon speaking with the customer, I learned that the TV had not been used for the past...
- Posted August 15, 2026
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Relay Rattling Problem Solved In AMREX UPS Model PROVIEW-600
This UPS was brought to me by a regular customer with the complaint that the relay was rattling and after consulting the computer company, he got the battery replaced twice; but the problem persisted. In...
- Posted August 15, 2026
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Stuck In Standby Problem Solved In PANASONIC 5.1 DVD Home Theater System-SB-WA340&SA-HT850
This system was brought to me by a close techie friend of mine, after making futile attempts to resolve the complaint captioned above. The mains input and power supply and final Amp were housed inside the Active...
- Posted August 15, 2026
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Completed Another Advanced Electronics Repair Course
Completed today another Advanced Electronics Repair course for 2 participants. Below are the photos taken during the 3 days course: Likes(13)Dislikes(0)
- Posted August 14, 2026












