Questions & Answers for: Marantz bias

...on what I may need to replace / fix or is it just too hot for it?? Thanks No, I think you have a bias problem in the audio output circuit of this receiver. There is really not a lot a user can do ...

for resistor of .1ohm 5 watt it's a double resistor in 1 piece and it goes in the power amp for the bias.Thank's www.futurlec.com 0.20 US each Marantz should have this part. It is the original part so

...of the effected channel. Power it up and check across the outside pins of each device for proper bias-about a half a volt or so on each one. If the voltage is much higher, or not there you've got ...

...be issues in the mother board, maybe the protect circuit by itself is shutting off due to a faulty bias , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, ...

...be issues in the mother board, maybe the protect circuit by itself is shutting off due to a faulty bias , maybe a leak in any voltage/current sensing circuit. Also disconnect the speakers and test, ...

marantz Mod 2220B audio bias adj can I buy a service manual? http://www.hifiengine.com/manuals/marantz/2220b.shtml Join for free.

...be issues in the mother board. Maybe the protect circuit by itself is shutting off due to a faulty bias or there is a leak in any voltage/current sensing circuit. Also disconnect the speakers and ...

...distorted as described earlier. Regards, Kris The class A switch adjusts, via an optocoupler, the bias on the output transistors. I would check the standard bias and class A bias