Repairing/restoring a Sharp 5P-37G

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Alex the great

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Aug 16, 2014
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I just got my hands on a Sharp 5P-37G wich I'm planing to fix. :thumbsup:

But it has a couple of problems

- The batteries are not working, I dont know why. No problem when using a cable, but batteries does nothing.
- The Aux/mic intake does not have any base, wich works when using radio,
- looking to get new subwoffers since the old ones dont sound as good as they should.
- One of the tape cyliders dont spin, causing the tapes to not work

Getting tapes to work on it is not really a priority but would be a nice bonus.

Does anyone have a place where i can get hold on any manuals for my box or have any other tips that i can use when fixing it?

Not looking for any new colour or getting a lsd TV or anything. Wanna keep it oldschool. except or the sound.
 

k2j

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Mar 28, 2011
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Congrats. That's a beast of a boombox!! :thumbsup:

Regarding the batterys: Check the corrosion of the battery terminals. Sometimes just spinning or rotating the batteries while placed in the boombox will help create better continutity and fix the issue.
 

Alex the great

Member (SA)
Aug 16, 2014
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thanks, corrotion was the problem it seems. Altho spinnin' the battery aint helping. think its a little to much for that. Gonna get some corrotion removial tomorow
 

superlew

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Apr 22, 2012
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Alex the great said:
thanks, corrotion was the problem it seems. Altho spinnin' the battery aint helping. think its a little to much for that. Gonna get some corrotion removial tomorow
Battery corrosion can travel up the wires from the terminals to the power supply. Take a look at them and see if they're green. If they look bad, solder in some new ones. Also, clean the switch in the A.C. power socket. That should get you going "portable."
 

Alex the great

Member (SA)
Aug 16, 2014
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holes.JPG


Update:

I opended the box up and used sandpaper to get the layer of corrotion of.

That solved the problem, and it's now working as is should with batteries. :thumbsup:


Another question, What kind of input does these holes do?

Can those to work with Aux with the right cabels?
 

Beosystem10

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Feb 21, 2013
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Not directly, no, they're higher in sensitivity than an aux input. The separate earth clamp beside them is a clue to their being Moving Magnet cartridge inputs for playing records from a connected turntable but don't despair; devices are available that apply the appropriate eq curve and reduce the output from the higher line level signal so that you could then connect your mp3 player, CD player or whatever.

Search the forum for "Attenuator", that'll throw up plenty of information about what's needed. :-)
 

Alex the great

Member (SA)
Aug 16, 2014
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Checked the MCM store out and found a fitting phono attenuator, 8 dollars seems really be worth the monney.
Still waiting on answers from mcm about shipping costs tho, sinse i live in sweden.

Yet another problem solved cuz of you guys. This site is ****in' amazing
 

k2j

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Mar 28, 2011
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Alex the great said:
Checked the MCM store out and found a fitting phono attenuator, 8 dollars seems really be worth the monney.
Still waiting on answers from mcm about shipping costs tho, sinse i live in sweden.

Yet another problem solved cuz of you guys. This site is farkin' amazing
:clap: :rock: :rock: :-)
 
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