This is an old '70's receiver, Technics SA-5080. It has always had problems receiving FM radio signals, and frequently 'cuts out'. Any ideas? I'm considering just buying a newer, smaller version.
You will need to take the top off and carfully use a air can to blow out all the dust that has accumulated in the back of the tuning knob housing. Then, very carefully spray a very small amount of WD-40 into that housing. Only one or two shots. A SHOT IS A SINGLE BURST - Like the time it takes to blink. Then turn the knob slowly back and forth about 2 times to each end. This should fix it! THanks, Mark
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Ahh technics. Technics always had overheating problems, trust me. Every since they started, their amps would get so hot they would hurt to touch. The reason the fan is not coming on seams to be something inside the circuit board. I'm sure that technics could fix this. If the fan works out of the receiver, then it must not be the fan. ;P
I would maybe get a computer fan, and just put it on top of the receiver and turn it on, or send it in for fixing. Also, do you have to crank the volume to get the speakers to play at your volume, and does the impeadence match the receiver. Because you may be pushing the receiver too hard.
Sounds like the relay are worn. Its small plastic box. You can gently open the cap with precision screwdriver and use fine sand paper, or your gf nails sanding tools and pass it on the contact. If you could unsolder it, its much more easier to open...
I too have a Technics SA-GX100 and it's rated at 2 x 40W @ 8 Ohms. I have the Technics SB-2840 floor model speakers hooked to it, which are rated at 200W Music Input - 8 ohms. It sounds very nice just to be a 40W receiver.
Operationg instructions says it is "F 70". When it appears it says to turn the unit off, disconnect the aC power supply cord, then reconnect and turn theunit on. Consult your dealer if "F-70" remains on the display.