I have a technics su g91 amplifier and speakers a and b will not work and i believe that it has to do something with the "over load" icon being lit up. I was wondering what that specific icon represented and what i can do to fix it?
I had the same problem. As soon as the volume reached about 24db it would go into overload. I was able to fix it by soldering all the connections on the larger power module. The one connected the the heat sink. When I took it apart there where several solder points that had come loose.
Posted on Dec 01, 2007
Most of the time you should check the fan.that can cause it to go into protect when volume turned up
Posted on Nov 15, 2012
I have a technics GX 650 model. 3 years ago i put it inside my cabinet for the same reason that whenever i turned it on it stays in overload conditon. so this morning March 5, 2012 i try to dissamble the whole unit and cleaned it form dust by using paint brush and electric fan. i found the solution by just cleaning the unit fan circuitry its copper foil contacts and it works again. this unit is 19 years old already and back into its old form. so the only the circuit in the fan had a problem i thought it was the power ic.
Posted on Mar 05, 2012
OVERLOAD means that input signal level is too high. Can you be more specific? From which source you play music when OVERLOAD icon appears?
Posted on Oct 11, 2007
Hi there,
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su-g91 - how do I connect the speakers?
i have the same problem. as soon as i turn it on the overload light comes on without anything even hooked up to it.
I also have an SU-G91 unit with the mentioned overload problem. my unit has been on the shelf for some time ( was not able to get two of the chassis screws out) and I decided to try opening. I hasd hoped to fine a fuse inside but the speakers do not seem to be fused. also looking for schematics thanks
It takes about 10 secs untill the overload light comes on. fan doesn't take in any voltage but the fan DOES work. Theres probably a problem within the output part of the crkt
I also have an overload problem,It was on an the overload lamp came on .I may of missed what to do,only thing I read was something to do wiyh the fan.Do I have to bring it in for repair or may be cheaper to replace.ANY HELP?????
KB
I have a technics su-g91 speakers A and B will not work "overload" light comes on. Follow "troubleshooting guide". Disconnect all speakers, "overload" light come on. Is it fixable.
I have the same problem, and I have unhook everthing and i still have the light. pleas help me solve this problem. Brothermikego@yahoo.com Michael
Yes I had the same problem. I took it to a really good shop in town here and they said $200. So I paid. It hurt but what kind of Amp can you buy for $200. It was one of the IC's in my case. The heat sink
paste was melted out and brown and a little white (original color).
I have heard of a lot of guys by-passing the delayed fan (until about half throttle) and wiring it direct. The only fault I ever found with Technics is it runs to hot.
They need plenty of air to keep them cool.
i have the same problem but my amp's LED display also doesnt work and my over load light come on with what ever i turn on weather it be my cd player or fm stereo etc.i am curious to know can i fix it my self or how much will it cost me to have it done?
Ik ben op zoek naar een volumepotmeter van Technics Amp su-8080 of een vervanger.
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