Hello i have a the sony receiver thats being talked about. The fuse keeps blowing off everytime i turn it on. The fuse it says that corresponds to this is the F901 which is the one i am putting in but like i said it keep blowing off. Im not sure what the problem is. if anyone can tell me what i can do to fix it i would appreciate it thanks. My email is firstname.lastname@example.org
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Re: Fuse keep blowing off
If the fuse keeps blowing, that is an indication that something has failed and is drawing too much current. Most likely it could be a problem with the power supply, such as a shorted rectifier diode or voltage regulator. Another possibility could be a shorted audio output module. Unfortunately, you'll have to take it to a repair center to be serviced.
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are short in the audio output transistors may have been short since a channel 2 or maybe 4, also open resistance check carefully and change them after you put a 75w bulb in series 100w or where is the fuse clearly, you have to remove the fuse when you put the focus if all is well will turn on only a small incandescent and amplifier work well you put audio speakers and there will, if everything is well put the fuse back and ready.
If it keeps blowing the rated fuse you really need to take it in to a shop for further analysis. Using an incorrect, higher value fuse will only raise the risk of fire or more damage to whatever is blown in the unit.
Dissconnect ALL speakers from back of unit then try to turn on.
If it works you have a speaker short.
If not, you have a more serious problem.
DO NOT replace the fuse with anything else but what was specified, as it can cause a fire!
This condition, may be produced by defective components (Q506, Q507). you can remove those transistor, replace the fuses, power-on and wait for relays click. if the fuses not blown again, them replace both transistor.