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Discolite DK990

No Sound

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#1 Peat

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Posted 28 October 2016 - 06:04 AM

I have a Discolite DK990, both cassette players work but I have no sound coming out of the stereo.


No sound from the radio either. None of the LED or lights work. Any ideas what I should be looking for?




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#2 blu_fuz

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Posted 28 October 2016 - 07:09 AM

Does the power switch work?

#3 Will

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Posted 28 October 2016 - 11:45 AM

Once you repair that, you'll have a party in the dark boombox.

#4 caution

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Posted 28 October 2016 - 12:25 PM

Start by opening it up and looking for clear signs of damage like cracked boards or broken/disconnected wires.

#5 Peat

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Posted 28 October 2016 - 03:28 PM

Thanks for the replies.....The power switch was broken but inside the stereo....I used it to put the stereo in the the on position (this allowed me to get the decks to work)......runs off mains and batteries. It is basically on all the time if it has power now.


The only LED to light up is the "continuous play" LED. It will also go into HI speed when you flick the Hi speed dub switch.


Didn't notice any cracks in the boards or broken wires.




#6 jimmyjimmy19702010

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Posted 29 October 2016 - 12:57 AM

The decks will probably have their own power source that's independent of the source for the amps, tuner etc.

Check for power at the amp and turner to get started.

I'm assuming you have DVM handy.

#7 Gaffer

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Posted 29 December 2016 - 11:08 AM

Hi I have one of these just recently bought. Gave it a very good deep clean. My only problem on this unit. Is the fm signal loads of interference when tuning. Hissy scratchy noise when tuning. Any idear be very welcome.

Hopefully when you clean yours there's not to many problems.

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#8 baddboybill

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Posted 29 December 2016 - 12:30 PM

Luckily these power switches are on many other Boomboxes and can be found on parts units. I used one off of M90 parts box but just about any radio with push button power switch should work ;-)

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