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Technics su g70 amp problem also?

Help!
I was getting limited sound from my stereo after disconnecting and moving across the room. Now I am not sure if its the amp or speakers. I never blasted the volume out of the speakers while trouble shooting/reconnecting, but I did hear the amplifier fan whirring very loudly when I was rehooking it up and testing the components. The speaker wires when jiggled in the back might allow for some sound, but not when I 'clipped' them into place. Did I blow out my amp?

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Have this amp,sound was cutting out on one channel.One day no sound,it turned out to be the solder joints.If i grabbed the rear speaker connectors and twisted they worked again.Take it apart an check the connections and resolder those.

Posted on Oct 07, 2008

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  • 106 Answers

It doesn't sound like it. but maybe. it would be the input section of your amp that blew if it did go. try replacing your speaker wire first, if that doesn't work then your volume knob(if the volume is analogue) may need to be replaced. if that doesn't work. then you may have blown the amp. what source are you testing with?(cdplayer, dvd player, etc.) and what inputs are you using? (analogue, digital optical, digital coax)

Posted on Aug 23, 2008

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No sound from stereo


Greetings
the power module is damaged and the components ... as you described, resistors burned and other components are over heated .
you need a service technician if you are still hanging on your baby :)
unless you are a technician .i will be glad to send you send you schematic.
i cannot post it as(PDF).

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3 Answers

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Keep me posted.
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1 Answer

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make sure there is nothing within several inches of it to start off. if need be, use a small house fan pointed at the amp to help cool it, if all else fails and/or you don't want to hear the noise from the big fan; get a computer fan the same size as the one in the case. connect it in place of the fan that does not work(may have to cut/splice the wires). that should work. oh, check the voltage and whether the fan is AC or DC from the stereo. this makes a huge difference!!!! if the fan says "DC" DO NOT CONNECT AN AC FAN TO IT!!! the fan will short and BLOW UP!!!

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2 Answers

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Hi ferrariman

For sure, even though a manual is a bit hard to find for free, we may be able to help you solve the problem. I have worked on alot of technics amps over the years. What is happening to the amp?

regards
robotek

May 14, 2008 | Amplifiers & Preamps

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