Comments on: Building Your Own Op-Amp Tester https://jestineyong.com/building-your-own-op-amp-tester/ Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Fri, 10 Feb 2012 13:17:22 +0000 hourly 1 https://wordpress.org/?v=5.4.25 By: admin https://jestineyong.com/building-your-own-op-amp-tester/comment-page-1/#comment-53184 Fri, 10 Feb 2012 13:17:22 +0000 https://www.jestineyong.com/?p=3248#comment-53184 HI Benedictus,

Sorry i do not have the circuit.

Jestine

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]]> By: Benedictus https://jestineyong.com/building-your-own-op-amp-tester/comment-page-1/#comment-53105 Thu, 09 Feb 2012 22:11:14 +0000 https://www.jestineyong.com/?p=3248#comment-53105 wow.. i have been looking for this.. thankz Jestine. got your mails. thankz too... do you have anything on 'FUELLESS GENERATOR'?

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]]> By: admin https://jestineyong.com/building-your-own-op-amp-tester/comment-page-1/#comment-7659 Sat, 13 Nov 2010 12:44:38 +0000 https://www.jestineyong.com/?p=3248#comment-7659 HI Jimmy,

When we ask question we will learn- there is no dumb question. Congratulation for setting up your own shop but one has to be hard working, never give up and creative in order to see success. Yes you are encourage to share the repair tips.

Jestine

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]]> By: Jimmy Lane https://jestineyong.com/building-your-own-op-amp-tester/comment-page-1/#comment-7654 Sat, 13 Nov 2010 09:04:58 +0000 https://www.jestineyong.com/?p=3248#comment-7654 Hey Jestine, I really felt a little dumb the other day when I asked the questions on the op-amp. I figured my own answers out later. I went to the main webpage and saw all the other versions. I really enjoy all your daily tips and now look forward to Johns and Humphreys. I am getting a shop set up at my new house and will start repairing TV's and computers later. I will let you all know tips as I get things going here.
Jimmy

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]]> By: admin https://jestineyong.com/building-your-own-op-amp-tester/comment-page-1/#comment-7651 Sat, 13 Nov 2010 03:09:23 +0000 https://www.jestineyong.com/?p=3248#comment-7651 HI Jimmy,

According to the website, it only show a single channel schematic and did not have the dual channel schematic that is using 2 LEDs. I suggest that you click on the links below which is more complete:

http://n-audio.net/manuals/oat1.pdf

This guy also has a video:

http://www.youtube.com/watch?v=t-_xmFPmFg8

Jestine

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]]> By: admin https://jestineyong.com/building-your-own-op-amp-tester/comment-page-1/#comment-7650 Sat, 13 Nov 2010 01:16:49 +0000 https://www.jestineyong.com/?p=3248#comment-7650 Hi Kenrick,

It can be cause by the power side or the high voltage side. I suggest that you visit the link below and isolate the problem to see which section is giving problem:

http://www.scribd.com/doc/2957819/TT204-Identifying-television-SMPS-problems

Jestine

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]]> By: Kenrick Norville https://jestineyong.com/building-your-own-op-amp-tester/comment-page-1/#comment-7643 Thu, 11 Nov 2010 15:10:28 +0000 https://www.jestineyong.com/?p=3248#comment-7643 I have a Sharp 19" tv repairing, everything checks out ok, there was dry joint from the power transistor, to the flyback transformer, that was taken care of, tv work fine,one day later, its powering for about 4 sec and powers off, what could be the symptom in this case.

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]]> By: Jimmy Lane https://jestineyong.com/building-your-own-op-amp-tester/comment-page-1/#comment-7637 Thu, 11 Nov 2010 08:08:31 +0000 https://www.jestineyong.com/?p=3248#comment-7637 Mabey I am missing something here but I only see 1 led. Also why is the output grounded on the first half of the op amp?
Jimmy Lane

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