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|    sci.electronics.repair    |    Fixing electronic equipment    |    124,925 messages    |
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|    Message 123,031 of 124,925    |
|    David Farber to All    |
|    Scumacher 1042A-PE battery charger has n    |
|    19 Aug 22 19:39:03    |
      From: farberbear.unspam@aol.com              This Schumacher 1042A-PE battery charger stopped functioning today. It       seemed to work for a little while but when I noticed the car battery's       voltage wasn't slowly increasing after performing a 2 amp charge for 2       hours, I checked the voltage at the charger's cables and it was 0 volts.       The continuity of the switches and cables were all good. I did find a       power semiconductor which I could not identify, BTW70-200SN. I looked in       an old ECG cross-reference book and the closest match was for a       BTW69-800 which is an SCR in a TO-218 package. The package seems to       match the device I'm looking for. I made some measurements with my       Simpson 464 DVM on the 2k ohm scale. Pins 1 and 3 measure 38 ohms       regardless of test lead polarity. All other combinations of continuity       measure open circuit. In circuit, pins 1 and 2 are soldered together.       Any idea what this component is or how to test it?              Thanks for your reply.              David Farber       Los Osos, CA              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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