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jack harris Posted on Mar 20, 2016
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A Samson db500a was given to me,it's a powered speaker system with built in amplifiers, it won't turn on. Does anyone know anything about this thing, schematics, test points, is it worth fixing??

1 Answer

Matthew Spark

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  • Master 1,066 Answers
  • Posted on Sep 10, 2016
Matthew Spark
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I would guess a cap blew, and overheated the power transformer, should cost about $150 to fix, and the speaker is worth maybe $2-300, depending on the model

5 Related Answers

Nightdiver

Bill DeLisi

  • 117 Answers
  • Posted on May 27, 2006

SOURCE: sony amplifier power

Hi uscsae, This is usually caused by a blown fuse or a blown capacitor. The fuse would be cheap and easy to fix, the capacitor would be expensive and replacement would be my choice. If you are pretty handy with electronics, unplug it, take the cover off the unit, and look near the capacitor for the fuse. Check the fuse for a break in the wire inside it. You can get these fuses at Radio Shack. Hopefully this is what it is, and will be a cheap and easy fix for you. Let me know how it goes. Best regards, nightdiver

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Anonymous

  • 11 Answers
  • Posted on Mar 19, 2007

SOURCE: Bose amplifier does not work with a 6 speaker selector

your wall speakers may not be connected.... disconnect each speaker from the selector box and test with a small AAA battery to see if they are connected by putting the battery between each speaker's wires , you will hear it crackle ,then gradually connect each wall speaker onto the speaker connector box . If the first set does not work i suggest there may be a problem with your speaker selector box . Good luck

Anonymous

  • 14 Answers
  • Posted on Dec 22, 2007

SOURCE: Samson Servo 170 Amplifier

check see if youy have some coving the vent or the speak connect right

petraman7

Scott Frye

  • 1175 Answers
  • Posted on Oct 12, 2010

SOURCE: After 10 years of function

I would have the power supply capacitors replaced. After several years ( from heat and age) they dry out and dont put out proper DC voltages to run the amp.

Anonymous

  • 1637 Answers
  • Posted on Jan 30, 2011

SOURCE: i am trying to find schematics for the samson 120

Here is a direct page to your needed information http://www.samsontech.com/products/productpage.cfm?prodID=1821

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http://www.soundonsound.com/forum/showflat.php?Cat=&Number=403253&Main=351397
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