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Toshiba SA2500 stereo reciever

I have this reciever that I bought back about 1980. It quit working several years ago and got put on a shelf when I bought a new system.
I thought the switch had gone bad, but when I got it out recently and tried to fix it, I found that the switch was ok, that there was some other problem. When I turn it on, nothing happens, no light on the dial, no static on the radio, nothing. I took the cover off and tried replacing the fuses that I found there (3) but still no luck. I couldn't see anything that was obviously out of place, no loose wires or anything.
Thank you for your help.

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  • Audio Player... Master
  • 7,928 Answers

There may be some missing voltages from the power supply or a circuit pulling it down. Needs to go to a shop that knows how to fix older equipment.

Posted on Aug 14, 2016

6 Suggested Answers

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SOURCE: fisher ca 9025 amplifier

I suggest you get a schematic, find the main power transformer -- not the big one -- and see what the output voltage of it is. Could be there was a line surge and it cooked a zener diode that regulates power supply voltage. I can help you find a schematic.

Posted on Jul 04, 2007

  • 55 Answers

SOURCE: Doesn't power up

try the fuse first normally you can see if it's damaged

Posted on Nov 18, 2007

  • 1 Answer

SOURCE: Amber light only

CHECK R104,R105 AND C109 NEXT TO THE TRANSFORMER.

Posted on Jul 30, 2008

SOURCE: Harman Kardon DPR 1005 problems

Sounds like the power supply or associated module. Definitely fixable, but probably needs a technician.

Posted on May 13, 2009

mlapres
  • 757 Answers

SOURCE: Sony DE-445 reciever flashes PROTECT

Sounds like a grounding problem. If the ground plug isn't missing or loose try plugging it into a different outlet.

Posted on Jun 18, 2009

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Have you thought about Universal Remotes? I bought a LG Harmony remote a year ago and never looked back. It plugs into your computer and after using the software you enter all the components of your home theatre, (including your 3280.) You can then use the one remote to control everything. Also some models have a charging base so you will not need to change batteries anymore.

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One thing to check would be the speaker connections. If this receiver worked before you moved it and only started doing this after it was moved, that could be the source of the problem.
If the speakers are connected improperly it could cause it to go into protect mode after a few minutes.
Also check the speaker wires and make sure you don't have any frayed wire sticking out and touching the chassis of the reciever or shorting together.
The phase control symbol is something I would need to research, I have repaired several of these recievers and do not remember the phase control ever being a problem.
Logic would dictate that something is connected wrong, my first thought is the speakers, but it could be something else. I would go back over every single connection on the back of this unit and double and triple check them all. make sure the positive speaker connections are going to the positive speaker post and negative to negative.
It is also easy to connect the speakers to the wrong jacks on the reciever. You may be bridging a channel or two and that would cause the reciever to get hot very fast and shut down.
If none of this helps you may just have to take it in to a service center. I would reccomend an authorized Pioneer service center. They can at least call Pioneer tech support and talk to Mark, Bernie, or Mike at Pioneer. They are on top of all things Pioneer.

I will be happy to help you further if you need it.

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Hups, apparently my friend put the speakers into wrong slots. Then i just copied him while trying different speaker setups and it simply never occurred to either of us to check if these were the correct slots :-D

Anyway sorry for these useless posts.

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I bought my AV-DV75 from Best Buy about 10 years ago and it still works. However it did stop working a while back. I don't know why. I alsmost threw it away. But I unplugged it for a couple of days, then plugged it back up and it came back on. It is still working. Maybe that will work for you.

PS
my center speaker quit working recently. If you decide to sell your AIWA speakers will you please email me?

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