Comments on: Bad Viper 12 A Power IC In Induction Cooker https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/ Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Wed, 11 Aug 2021 05:06:30 +0000 hourly 1 https://wordpress.org/?v=5.4.19 By: Giant https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/comment-page-1/#comment-375625 Wed, 11 Aug 2021 05:06:30 +0000 https://jestineyong.com/?p=20952#comment-375625 Hi Suranga,
I have similar problem with my induction cooker but i can't find relevant resistor. Do you remember resistance of that 2watt resistor?

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]]> By: ICEON https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/comment-page-1/#comment-370178 Wed, 29 Jul 2020 22:52:22 +0000 https://jestineyong.com/?p=20952#comment-370178 hi I find your report useful. But there is this cooker that was brought to me I figured out the viper 12A IC and the 22ohms resistor was bad but after replacing it wont power on as the display will not work. I also noticed that the IC connecting to the display board is reading continuity between positive and negative how do i get the ic number as the only inscription on it is 00gp820

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]]> By: Yogesh Panchal https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/comment-page-1/#comment-365455 Fri, 27 Dec 2019 09:59:39 +0000 https://jestineyong.com/?p=20952#comment-365455 Good Repair! suranga

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]]> By: R H Pillai https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/comment-page-1/#comment-365453 Fri, 27 Dec 2019 08:18:23 +0000 https://jestineyong.com/?p=20952#comment-365453 Electricity bill is very low ! 🙂

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]]> By: Parasuraman S https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/comment-page-1/#comment-365452 Fri, 27 Dec 2019 07:32:15 +0000 https://jestineyong.com/?p=20952#comment-365452 Well done! Useful share!

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]]> By: Robert Calk Jr. https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/comment-page-1/#comment-365442 Thu, 26 Dec 2019 22:25:35 +0000 https://jestineyong.com/?p=20952#comment-365442 Good job, Suranga!

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]]> By: Francisco Rica https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/comment-page-1/#comment-365440 Thu, 26 Dec 2019 19:54:08 +0000 https://jestineyong.com/?p=20952#comment-365440 Hu Suranga.

Interesting repair! About the Power IC test of Vcc pin to hot ground, you obtained 48 ohm. And this is shorted. What are the typical resistance values for a good Power IC?

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]]> By: Albert van Bemmelen https://jestineyong.com/bad-viper-12-a-power-ic-in-induction-cooker/comment-page-1/#comment-365433 Thu, 26 Dec 2019 14:01:28 +0000 https://jestineyong.com/?p=20952#comment-365433 Good job in finding the only 2 circuit culprits Suranga! These Low power offline dedicated current switched-mode primary power switchers with build in high voltage Mosfet are also used in other kitchen appliances like Washing machines and Tumble dryers. And there they also stop working too often caused by a shorted power switcher IC and its burned open serie 'safety' resistor. They are mostly of the LNK type of IC family.

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