All posts by Jestine Yong
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DESKTOP PC AUDIO OUT NOT WORKING REPAIR GUIDE
Today I got a new challenge from a customer. His desktop PC will not play any sound anymore. After I try to connect my headphone jack to the audio out...
- Posted May 16, 2015
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Completed Another Basic Electronics Repair Course
Just completed another Basic Electronics Repair Course (kursus asas elektronik di Malaysia) for five participants. Three of them will be taking the Advanced Electronics Repair course next...
- Posted May 15, 2015
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Samsung LCD TV LE37R86BD Picture Quality Problem Repaired
This Samsung LCD screen TV set belongs to Marios, a close friend of mine. Last time I visited him he complained that the set reproduces the pictures with...
- Posted May 12, 2015
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Wentai DVD Player Repaired
This DVD Player brand WENTAI Model: DVD-3031, China made was brought to me from a co-worker because it was fully dead. First thing was to disarm it. And check...
- Posted May 12, 2015
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Paco – DER-2000 Automatic Voltage Regulator Repair
There is a place in the city I live, where one can find used electronic equipment, either domestic or industrial, at really very low prices. Sometimes these devices, if...
- Posted May 8, 2015
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About Conceptronic 90W Power Supply (Part 2)
The first part can be accessed in the below link: https://www.jestineyong.com/cracked-power-ic-in-power-supply-identified/ I replaced yesterday the defect components by all new parts from China after almost 4 weeks of waiting. And I...
- Posted May 8, 2015
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Toshiba LED & LCD TV Case History Volume 1
Damon has just launched his 8th ebook and the title is “Toshiba LED and LCD TV Case history Volume 1”. Please click on the ebook cover or HERE...
- Posted May 6, 2015
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Samsung CLP-315 laser color printer refuse new toners problem
A customer brought to me a Samsung CLP-315 color laser printer with the problem “ the printer refuse to use the new installed toners.” The problem is specific because sometimes...
- Posted May 6, 2015












