All posts by Jestine Yong
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Capacitor Substitution Information
I've got an email from Lee Davey (ERG Member) about a website that talks about the substituion of Capacitors. Once you have visited the website by clicking on the photo above, please click on the PDF link...
- Posted May 1, 2012
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ERG Members Email Accounts Hacked
I have received many emails from ERG members where the email message was about clicking on certain websites and that they got robbed and asked to bank in the money. I knew those emails were not sent...
- Posted April 27, 2012
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Fast and Slow Blow Fuse
SMPS usually use slow blow fuse and if you replace it with a fast blow fuse (with the same ampere rating) chances is high the fuse will blow again. It can blow immediately or after using the...
- Posted April 25, 2012
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Horrible Customer Service
I''ve got an email comment from one of my customers (ERG member) about the horrible customer service that he had with Partstore.com. Here is the email: Hello Jestine, I want to share with you and fellow technicians...
- Posted April 24, 2012
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About Waveforms In Equipment
When you perform the electronics troubleshooting work, having a service manual or schematic diagram is an added advantage. The sample waveforms listed in the manual could quickly helps you to pin point the fault fast. Of course...
- Posted April 23, 2012
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Electronics Repair FAQ- Part 28
Please click HERE to read electronics repair FAQ part 28. Likes(0)Dislikes(0)
- Posted April 22, 2012
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How Come There Are So Many Optoisolator ICs In SMPS?
It is common to see 1 or 2 optoisolator ICs in a switch more power supply board (SMPS) but what about 3 or even 4 opto ICs in the power supply board? As far as I know...
- Posted April 21, 2012







