Comments on: June 2010 Repair Newletter https://jestineyong.com/june-2010-repair-newletter/ Semiconductors, Test Equipments, Circuit Board Troubleshooting, Electronic Repair Courses and Many More! Mon, 07 Jun 2010 19:52:36 +0000 hourly 1 https://wordpress.org/?v=5.4.21 By: admin https://jestineyong.com/june-2010-repair-newletter/comment-page-1/#comment-5739 Mon, 07 Jun 2010 19:52:36 +0000 https://www.jestineyong.com/?p=2872#comment-5739 HI Beh,

Or you can try to build one from this website:

http://www.electroniq.net/en/other-projects/scr-tester-circuit-diagram.html

Jestine

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]]> By: beh https://jestineyong.com/june-2010-repair-newletter/comment-page-1/#comment-5727 Mon, 07 Jun 2010 05:35:21 +0000 https://www.jestineyong.com/?p=2872#comment-5727 DEAR JESTINE

thank you so much of reply . also can i change the lite bulb to led 12 v. sure i will respect the polarity of led
do you think this works?
regards
beh

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]]> By: admin https://jestineyong.com/june-2010-repair-newletter/comment-page-1/#comment-5724 Mon, 07 Jun 2010 03:46:30 +0000 https://www.jestineyong.com/?p=2872#comment-5724 HI Beh,

If your test mainly on normal consumer electronics scr and triac then using 6 volt supply with the 6 volt lamp could work. Try connect a 180ohm resistor.

Jestine

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]]> By: beh https://jestineyong.com/june-2010-repair-newletter/comment-page-1/#comment-5715 Sun, 06 Jun 2010 20:30:24 +0000 https://www.jestineyong.com/?p=2872#comment-5715 DEAR MR YONG

i have all parts on my table to make SCR tester my only problem
is i have lite bulb 6 v 3 watt . can i seri a resistor to bulb
to get result if this is + what must be the resistor value
to find 12 v bulb here is difficult.
thnx
beh

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