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August 11, 2013 at 7:33 pm in reply to: HELP! Vintage electric mistress makes sound but no effect. #119308mystyrjenkinsMember
also before i go replacing these IC’s am i going to damage them by putting them in this thing if something else is out of whack? I dont really want to buy stuff if the problem is further up the line and im just going to fry them by putting them in.
August 11, 2013 at 6:34 pm in reply to: HELP! Vintage electric mistress makes sound but no effect. #119307mystyrjenkinsMemberQuote:14.5v on pins 8, 10 is not good so the clock is suspect – it should be around 7-7.5v with the same voltage on pins 3 & 14. I would replace both the LM311 and the 4013 before spending out on the BBD. Good luck – EH should know that!!!Could that simply be because the trim pots are all out of whack?? or does that have nothing to do with the trim pots?
August 9, 2013 at 8:28 pm in reply to: HELP! Vintage electric mistress makes sound but no effect. #119305mystyrjenkinsMemberanyone? as far as I can tell, the trim pots need to be realigned and the SAD1024 chip replaced and the pedal should work again. I have read that there are a few people who can do this. Anyone know roughly how much this would cost if i supplied the SAD1024 chip? I have the chance to buy a V4 reissue for 100$ so I’m trying to weigh whether it would be better to just buy that or get mine fixed. Does the V4 sound much different than the one I have?
July 22, 2013 at 5:50 pm in reply to: HELP! Vintage electric mistress makes sound but no effect. #119270mystyrjenkinsMemberok so i found an SAD1024 for sale but its going to cost me about 50$ so given all the information above what is the likely hood that this will fix my unit? Should I buy it, or are there any other expense parts which could be the problem that I am aware of? after the SAD1024 chip it’s just fairly cheap capacitors, diodes, resistors and a few cheap IC’s right?
July 20, 2013 at 4:41 pm in reply to: HELP! Vintage electric mistress makes sound but no effect. #119264mystyrjenkinsMemberYep, mentioned that in the first post
” I have even checked the SAD0124 and I am getting 13.9v on pins 5,7,9,11. 14.5v on pins 8, 10. 3.75v on pins 2 15, 4.16v on pin 12 and 4.49 on pin 6.”
sound goes in on pins 2 and 15, and no sound coming out on 12 and 6 even tho it shows there is some sort of voltage there.
also getting 14.5 – 14.9 volts at random places throughout the board. basically anywhere after the first transistor.
Thanks for your help and quick replies by the way. I soooo want this thing to work again.
July 20, 2013 at 10:50 am in reply to: HELP! Vintage electric mistress makes sound but no effect. #119262mystyrjenkinsMemberi get my guitar signal on pin 2, 15. nothing on 6 and 12. so im assuming the SAD1024 is shot? if so is it possible to replace? also if the SAD1024 was fried, wouldnt i get no signal through the flanged output at all? or does the flanged effect mix with a dry signal or something?
July 20, 2013 at 10:41 am in reply to: HELP! Vintage electric mistress makes sound but no effect. #119261mystyrjenkinsMemberwhich pins would those be?
mystyrjenkinsMemberwow. so no one has any ideas that could help me in any way??
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