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Teac AG-V7700 keeps bowing fuses

The other day I saw a spark behind one of my speakers and afterwards sound stopped and everything but the light on the volume knob was off on the front of my receiver. So I opened it up and saw that one of the fuses had been blown. I unplugged it and removed all speakers from the back of the receiver. The fuse said 6 amps and 125 VE. I'm not sure what the E stands for but I went to radio shack and bought a package of 6 amp 125 volt fuses. I've put 2 of them in and each time they both blew. Did I get the wrong type of fuse? or is there a bigger problem with my receiver?

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  • 24 Answers

I hate to say it but it sounds like one of the audio chips that drives the speakers shorted out! The high powered outputs (more than 7 watts) need both speaker wires to be ungrounded. You will need to find someone to replace the defective chip or else get a new unit.

Posted on Nov 25, 2013

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Posted on Jan 02, 2017

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SOURCE: volume control blew out

i hade the same problem with the same unit and fixed it my self.
turns out the chip that is screwed to the heat sink was blown, and the resister that controles the fan burnt as well.all i did is ,get a datasheet of the unit and toke if apart went to the parts store and bought what was needed. the chip that is screwed to the heat sink has a part number on it whitch if you cant find the same can be switched with equivilant chip (find a datasheet of chip).
then my fan would not run ,i notesed that the risister was shot , the resister is color code witch means the resisters values. its a prety big job since the reciever has to be almost completely taken apart but very worth while .its ben workin like new for about 4 years since the repair with no problems or isues. hope this helps ad good luke.

Posted on Oct 28, 2010

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SOURCE: Sony STR DE835 receiver - no sound from speakers and headphone jack

The problem is in the audio output semiconductors, they have shorted causing the fuses to blow and it is in auto protect mode to prevent further damage. I recommend a professional to assess.

Posted on Mar 11, 2012

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Keeps blowing fuse.


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If it works you have a speaker short.
If not, you have a more serious problem.
DO NOT replace the fuse with anything else but what was specified, as it can cause a fire!

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