All posts by Jestine Yong
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Modification Of Circuit Boards
Sometimes when we do the repair work we will encounter problems like burnt components in circuit board, missing parts or we just won't able to find out the fault. The only way to solve this kind of...
- Posted October 6, 2012
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Starting Cost Of A Repair Workshop
Back in 1996 my partner and I took out about RM2000 (USD667.00) to set up the small repair center (approx about 200 square feet). I used the money to buy fax machine, print invoices and D/O, rental,...
- Posted October 4, 2012
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Comparison Between Genuine And Imitation Cell Phone Charger
The cover of the imitation charger is exactly like the genuine one with the Sony Ericsson words engraved on it. I opened the imitation charger by using a saw, a knife and a hammer. First, I used the small...
- Posted October 1, 2012
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What is your country internet speed?
Ok this has nothing to do with electronics repair topic. This is just out of curiosity to know the internet speed of different countries. Currently my country top broadband internet speed is 20 Mbps (I know some...
- Posted September 29, 2012
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Component Cross Reference Site
This website was recommended by Wakheel (one of the ERG members) and this website is about finding the cross reference for diode, transistor and IC. It also have many useful power supplies and inverter projects where you...
- Posted September 27, 2012
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About Ultra Violet (UV) Marker Pen
One of my recent students shared about having a UV marker pen to find out which component already been replaced by the repair tech. It was a smart move by him. Whenever the circuit board have problem...
- Posted September 27, 2012








