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Kasino Club u-100 [message #11102]

Mon, 01 June 2009 06:54

Wyldefreak
Messages: 3
Registered: May 2009

Junior Member

hello, I am a proud owner of a Kasino Club u-100 PA. The other night while we were Jamming I heard a pop and all of a sudden the head stopped working. I took it apart and I noticed the fuse was black, I am in the proccess of replacing it but I can't find anywhere what ampage I need for the fuse. Would you be able to recommend what amp fuse I need to put in there?

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Re: Kasino Club u-100 [message #11103 is a reply to message #11102]

Mon, 01 June 2009 12:08

stevem
Messages: 4772
Registered: June 2004
Location: NY

Senior Member

Do replace the fuse as they do not just blow for no reason, in all liklyhood you have atleast one bad output transistor out of the two that are in the amp and also may be one bad driver transistor and a emitter resistor.
Unless you have done SS trouble shooting it may be time to take it to a reapair tech.
You may also want to test the speaker(s) you where playing thru as they may have blown from taking the hit of the full power supply voltage if it was a output transistor that shorted!

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Re: Kasino Club u-100 [message #11105 is a reply to message #11103]

Mon, 01 June 2009 12:32

Wyldefreak
Messages: 3
Registered: May 2009

Junior Member

Thanks Stevem, I will have to take it in for sure, I just figured it would of been the fuse, but clearly there could be alot more than meets the eye, but all the same, I have the fuse out and would like to replace it so are you aware of the ampage I need?

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Re: Kasino Club u-100 [message #11106 is a reply to message #11102]

Mon, 01 June 2009 12:44

stevem
Messages: 4772
Registered: June 2004
Location: NY

Senior Member

I would leave it out, as the tech may want to clip in a lower amperage circuit breaker for testing things out once repaired, plus a fuse is less than a buck so its not like its a big expence in the repair process.

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Re: Kasino Club u-100 [message #11107 is a reply to message #11106]

Mon, 01 June 2009 14:10

Wyldefreak
Messages: 3
Registered: May 2009

Junior Member

Thanks Stevem, its an old head so I don't really want to get into pricey repairs so I would like to change the fuse and see what happens, so could you recommend what fuse I should get.

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Re: Kasino Club u-100 [message #11109 is a reply to message #11102]

Tue, 02 June 2009 06:30

stevem
Messages: 4772
Registered: June 2004
Location: NY

Senior Member

You are not underdtanding what I am telling you! If you replace the fuse you stand a real good chance of killing more semiconductors than are already blown up in the amp which will only drive the repair cost up even more!
I have been repairing electronics since the early 70s so I am really sure I know what I am talking about here.
If you still can not keep yourself from beliving me, than go out get a fast blow type 3/4 to 1 amp fuse and put it in, if that holds and does not blow than it was only one of those rare 1 in 1/8 of a percent chance that the fuse went bad on its own!
the correct fuse would be a 3 amp fast blow type.

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Re: Kasino Club u-100 [message #11110 is a reply to message #11102]

Tue, 02 June 2009 06:38

stevem
Messages: 4772
Registered: June 2004
Location: NY

Senior Member

PS
The semiconductors to repair these amps are dirt cheap these days, the two output transistors are all of three to five bucks each even if you get ripped off. Add in the cost of two emitter resistors and two driver transistors if they went south and the total parts cost should still not top 20 bucks, and it should take no more than 2 hours of shop labor time to fix the thing even if someone is working at a snails pace!

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