Question about Audio Players & Recorders

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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
  • 8,188 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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