pioneer sx1500td blowing fuse
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Joined: Nov 2012
City: Kansas city, MO.
Well the problem seems to still be here. I hooked up main amp. with B+ and the Es for each side connected. Drawing over .7 amps at 65v. Tried each side of amp with one fuse removed also doing it on both sides. when I turned VR1 &2 to clockwise the amperage came down a little ccw caused it to climb. I did take a voltage reading of the two power transistors on one side of amp.The Q10 & Q12. this is the (out#2 side)
(Q10) BtoE +.743v) B to C neg. 1.5v) (Q12) B to E .630v) B to E 34v). They were getting very hot and I noticed the amperage on the meter had climbed to 1 amp so I turned off with out getting any more readings.
The power transistors I installed were from mouser (pn. 2n3442G)-10A 140V 117W NPN. The only thing I know to do now is wait for your advice on how to proceed.
Messages In This Thread
RE: pioneer sx1500td blowing fuse - by KCMike - 01-11-2015, 03:46 PM
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