Comments on: Electronic Repair Questions/Answers and Testimonials Part 14 https://jestineyong.com/electronic-repair-questionsanswers-and-testimonials-3/ Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Mon, 27 Jul 2015 08:29:46 +0000 hourly 1 https://wordpress.org/?v=5.4.19 By: admin https://jestineyong.com/electronic-repair-questionsanswers-and-testimonials-3/comment-page-1/#comment-6965 Sat, 25 Sep 2010 13:44:46 +0000 https://www.jestineyong.com/?p=1345#comment-6965 Hi Jake,

Try isolate the problem first using this link:

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

The blinking can be caused by either the power side or the high voltage side thus you need to separate these section.

Jestine

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]]> By: Jake R. Pomperada https://jestineyong.com/electronic-repair-questionsanswers-and-testimonials-3/comment-page-1/#comment-6960 Fri, 24 Sep 2010 23:11:21 +0000 https://www.jestineyong.com/?p=1345#comment-6960 Hi Jestine,

I am Jake R. Pomperada from the Philippines I am one of your subscribe of your news letter that I found it very useful in electronics. Thank you very much for sharing your knowledge and skills to us.

By the way I have a question I have a CRT AOC Model No. 1770 that does not display it only give green blinks in its LED power indicator. I already replace the HOT trasistor in hoping to cure the problem but still the problem still exist any ideas why there is no display and only blinks in green. Thank you very much you can send your answer at my email address.

Regards,

Jake 😀

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]]> By: admin https://jestineyong.com/electronic-repair-questionsanswers-and-testimonials-3/comment-page-1/#comment-6192 Wed, 21 Jul 2010 00:59:10 +0000 https://www.jestineyong.com/?p=1345#comment-6192 HI KK,

The LP2950CZ.50 has lower output current (100ma) as compare to 7805 (1 Amp. Sorry no info on the CMOS.

Jestine

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]]> By: kk https://jestineyong.com/electronic-repair-questionsanswers-and-testimonials-3/comment-page-1/#comment-6187 Tue, 20 Jul 2010 00:56:06 +0000 https://www.jestineyong.com/?p=1345#comment-6187 hi Mr.jestine yong,
Is LP2950cz.50 same to ordinary LM 7805 voltage regulator?also can I replace CMOS BSS138 with any other CMOS?if yes please suggest some

with regards
kk

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