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deemo 
Member - Posts: 11
Member spacespace
Joined: May 19, 2007
Location: South Africa
Posted: May 20, 2007 at 3:35 AM / IP Logged  
i've replace 2 transistors on 1000w starsound amp,but when i do a test run it's automatically
cuts out on that same transistors....must i get stronger transistors?
thanx
deemo
deemo
DYohn 
Moderator - Posts: 10,740
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: May 20, 2007 at 11:37 AM / IP Logged  
Most likely the reason the transistor blew in the first place has not been fixed.  It is not enough to simply replace a bad component unless you know why it went bad.
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deemo 
Member - Posts: 11
Member spacespace
Joined: May 19, 2007
Location: South Africa
Posted: May 21, 2007 at 2:53 AM / IP Logged  
i'm gonna replace the transistors and the caps that works around that transistors i'll get back to u if it works or not........
deemo
DYohn 
Moderator - Posts: 10,740
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: May 21, 2007 at 8:22 AM / IP Logged  
Well, maybe you missed my point.  WHY are the ICs blowing?  Have you completely tested out the REST of the amp to make sure there is noting wrong in the power supply, in the input side or the feedback circuit, or elsewhere?  Just replacing what's blown only works sometimes.
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wotugot4me 
Copper - Posts: 64
Copper spacespace
Joined: March 09, 2005
Location: United Kingdom
Posted: May 21, 2007 at 10:54 AM / IP Logged  
Is it worth repairing?  Starsound amps are not usually that expensive anyways.  Just wondering if all the spare parts and time is worth it.

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