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Re: Roaring on start up
First ensure it is not a disturbance from TV or any nearby device (eg. power adapters). Generally , if the noise raise up in volume anthen goes it is a faulty amp. If the problem goes as you whack (gently) or move the unit then it is a bad contact or connector inside.
If you just bought the item I would replace it, even if problem disappears by moving the device or whacking it, it means the machine has a fault that can come back in time.
If product is not brand new, but covered with guaranty take in for repairs.
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Sounds like horizonal output transistor could be over heating. There could be other problems. But I would start there. You can find the part number on the schematic inside the set. If you change it yourself don't forget to use the included insulater. Part should cost between 15 & 20 dollars. You will need make & model # of set at electronic parts store. Diagrahm inside set will show you location of transistor
I have a 98 Ponitac Grand Prix GT. Soon as you start going it starts roaring. Gets loader the faster you go till 70 mph. When I am turning to the right a little while going 60 mph the sounds quiets down. Only to the right. I have replaced both wheel bearings, got brand new tires, new brakes. Didnt stop the roaring. Would it be cv axles, rack & pinion, transmission, etc?
yes there is. i take it that it is an oil fired pressure jet.
the fuel pump pressure needs to be set at 9 bar. run it for 10 mins and fit gas analizer to flue. ajust air to return 11% co2 and lock off you will find that the roaring has gone.. it needs a service by an oftec chap