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AMP PROBLEM MY AMP KEEPS BLOWING ALL FUSES CAN YOU HELP.I FIT NEW AND TURN ON IT IS OK.THEN TURN ON CD THEY BLOW.HAVE TRIED TUNER NO SOUND BUT FUSE DOES NOT BLOW.COPLAND CSA14

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Check ur speakers they can cause the short with vol

Posted on Aug 15, 2008

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Hi my adcom 5802 get right Chanal not working . I don't know why every time I put 2 fuse for that Chanel is burn st thing look like diot ... And after that 2 fuse burn too


If I can read you right you are saying that the device keeps blowing the fuse?

Fuses blow when there is an overload. As it is an amplifier we are dealing with the cause is more than likely a shorted output transistor or more than one, or whatever does the main amplification for the device. These devices are located on the main power amp board attached to a heat sink. If the amp has fuses for each channel then you only need to replace the devices on that channel, with the fuses blowing on it. The cause of shorted devices is often bad speaker wires or them touching.

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Wy fuse keeps blowing


Fuses blown when an overload occurs. More often than not caused by a short circuited transistor in the main amp section. Possibly also on the power supply too.

May 22, 2014 | AMC Multimedia CVT-2030 2-Channel...

1 Answer

PA Amplifier blows fuses


The fuse is blowing due to an overload. It's often and very likely caused by a transistor or ic that has gone short. The main culprits are the power transistors of the amp or whatever is on the big heat sink. Transistors will show the fault when you connect an ohmmeter to the terminals. It will be just like you have touched the test prods together! I don't think in your case it will be in the power supply. It's often caused by speaker cables that touch together.

Mar 18, 2014 | Radio Shack Amplifiers & Preamps

1 Answer

I have a Peavey Cs 400 amp that keeps blowing the 4amp fuse as soon as I turn it on any ideas


Fuses blow when there's an overload. This is usually caused by a transistor or IC that has shorted. You should look to the main amp as the most likely cause. If the main amp has transistors, then a test with an ohmmeter will show the faulty part. Connecting across the terminals will show the same as when you touch the test probes together. If you don't see a hole in the part first!

Oct 17, 2013 | Amplifiers & Preamps

1 Answer

I have a Marantz PM 55SE amplifier. The fuse kept blowing but i managed to fix this by putting in a slightly bigger one. However the left channel keeps going from ok to distorted to off. Any ideas what...


First it's very dangerous to put a larger fuse in any device than the stated rated. Fuses blow when there's an overload, that could cause a fire! Fortunately (for you) it has shown you that the left power amp is the faulty device that was causing the correct rated fuse to blow in the first place. If you have a Ohm meter you can put the leads on the terminals of the transistors in left channel and you should find one or more that acts like you have touched the tests probes together! If there are two transistors in the left channel I advise you to replace both, even if one seems OK. Also look around for burnt resistors in the same area. When complete put back in the right fuse!!

Apr 03, 2013 | Amplifiers & Preamps

1 Answer

Amc amp fuse keeps blowing


Fuses blow when there's an overload. Suspect a faulty semi-conductor device somewhere.

Dec 14, 2012 | AMC Multimedia 2N100-2 2-Channel Amplifier

1 Answer

Samick sga 120 amp keeps blowing fuses. Replaced all rectifier diodes and tranformer seems to be working fine. Any suggestions?


The fault may not be in the power supply area! The other area of blame is the main amp section. Suspect any of the devices on the heat sink (also any device in the power supply with an heat sink). Transistors can be tested easily with this problem. An Ohm Meter on the resistance setting, on the terminals (even in circuit) of the transistor, will act like you have touched the test probes together. Just like a piece of wire, because that's what it has become and why they blow the fuse!

May 15, 2010 | Amplifiers & Preamps

1 Answer

KEEPS BLOWING SOUND FUSE


When you refer to the "sound fuses" are you referring to the speaker protection fuses or the power supply fuses?

Dan

Jan 14, 2009 | Amplifiers & Preamps

2 Answers

Fuses for P-07


the fuse you need is a t4al 250v

this is a common slow blow 250v 4amp fuse.

You can get them at RadioShack



Oct 03, 2008 | Gemini Sound Products P07 2-Channel...

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