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Deane Wilson Posted on Aug 27, 2018
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Bosch power box, no 12v for radio or for charging or to 12v power jack when plugged into 120v ac. Radio works when 12v supplied to 12v power jack. Can 12v power supply be fixed

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Lawrence Oravetz

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  • Bosch Master 10,558 Answers
  • Posted on Aug 27, 2018
Lawrence Oravetz
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Joined: Jul 28, 2008
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Most likely the bridge rectifier in the power supply inside the radio opens, sometimes there is a fuse. If it is blown then you need to locate the reason it blew. The problem is contained in the AC circuits since the radio works OK on 12 external volts. It can be fixed.

5 Related Answers

Anonymous

  • 12 Answers
  • Posted on Sep 22, 2008

SOURCE: power supply/ no output voltage

Actually i haven't fixed the problem as yet but i did find some info that would help me to fix problem.
I went to google and entered keyword,,, Electronic parts,,there came up a page,,and i went to several manuf sites till i found a replacement transformer,,then i disassembled the power supply and am now waiting for a replacement transformer.

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Anonymous

  • 2 Answers
  • Posted on Sep 14, 2009

SOURCE: Radio Doesn't work

cig light fuse in front pass side floor is where the fuse is, just replace cig fuse and it will start radio back on but need radio code.

Dana P

  • 206 Answers
  • Posted on Jun 09, 2010

SOURCE: AC Power supply overheating for ASUS eee PC

If the pc is fully charged, dont leave it plugged in. Mine gets hot but I've experienced ones that were hot to-the-touch...I'd say be careful leaving it on charge when you are not at home.

Anonymous

  • 1 Answer
  • Posted on Jun 04, 2011

SOURCE: My bosch power box was plugged in when the power

did you check the fuse on the side of the box

Chris Larocque

  • 367 Answers
  • Posted on Aug 30, 2011

SOURCE: I have an old pair

Hello,

It is safe to use as long as the polarity is the same as the speaker power input. You will see a little diagram that looks much like - --0)---+ this means the tip is negative polarity and this --(0---+ means the tip is positive. These speakers need an adapter with a positive center tip on the jack. It also needs a min of 100mA which your power adapter does (1A) so that should be ok.

If the jack plug is not positive to the tip and does not fit in the speaker power jack socket you can go to your local electronic store and pick up a universal ac/dc adapter with multi plug sizes and get one with min 1A (100mA) or higher.

Regards,

Chris

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Power supply/ no output voltage

Actually i haven't fixed the problem as yet but i did find some info that would help me to fix problem.
I went to google and entered keyword,,, Electronic parts,,there came up a page,,and i went to several manuf sites till i found a replacement transformer,,then i disassembled the power supply and am now waiting for a replacement transformer.
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