2x200W Audio Amplifier Repair

[plugbark]

A friend gave me a 2x200W audio amplifier composed of 2 PCBs (providing 200W each), which keeps blowing inner fuses.
I don't find any documentation...

[Ben N]

I am switching the power transformer in my SF Vibro Champ to an export-style PT, switchable 120v/220v/240v primary. The original fuse is a 250v 1A slow blow....

[cluster]

Hello all,

I have a 1984 JMC800 2203 amp that is blowing the CT fuse off the PT. (see pictures). The fuse blows as soon as I turn the power...

[KM1]

Hey all!! I was given a Yamaha G-100 amp that I am desperate to get going. Here's the skinny: Previous owner was carrying out after a shore over his shoulder...

[ricothetroll]

Hi,

A friend of mine brang me that amp because the fuse kept blowing a few seconds after switching the amp on.

The schematic...

[solaris3000]

Any help greatly appreciated
I ran across a burned resistor on this 6260 and trying to replace, Not looking for entire schematic just a partial to...

[dangerfield31]

Hi all

I have a Simmons DA200s Drum Amplifier and I seem to have blown the fuse in it. I turned it on and as soon as I hit the switch it made...

[spatterson]

Hello, I did something stupid a few days ago and plugged my Fender HotRot Deville 212 with a US 120V power supply into a European 240V socket... Yeah I wasn't...

[BugVomit]

Hello all, looking for some help regarding my Sovtek,

For reference, it is a Mig 50 with the modification where the two channels are wired...

[Tallgeese]

Hi everyone,

New to the forums, I'll try and be as exact as possible.

-I have a Diezel VH4, I blew a fuse in channels 1 &...

[rhythmusic510]

I was on a gig in conference room of a hotel a few days ago and wasn't playing for more than 20 minutes when I started hearing a popping noise coming from...

[jamesmafyew]

I've been looking at the power supply schematics for the JTM45 and Hiwatt DR504, particularly at the fusing arrangement for the HT secondary.

...

[uteedub]

I came to band practice today and plugged in my peavey 5150 head to rehearse for an upcoming show and it would not power on at all. the power and the standby...

[docSanchez]

So as the title says my Ashdown Five-Fifteen 15" 100w combo amp blows it's fuse immediately after being turned on. The amp is solid state, so I can't...

[ctt]

My 1975 Fender Super Twin has been sitting a few years and upon firing her up again- blew the fuse after about 10-15 seconds. Replaced the recomended 6 1/4...

[payne104]

My amp immediately blows a fuse when this is plugged in... but the moment I unplug it, it turns on without a problem...

Anyone know what this...

[zippoman]

my ampeg ba 115 blew its fuse the other day, so i opened it up and put in a new fast acting fuse, but as soon as i turned on, it blew the new fuse. any idea...

[ksjazzguitar]

I'm having a problem with my guitar amp (a Polytone Mini-Brute, 13 years-old.) I was on a gig, taking a break, with the amp left on. I was out of the room,...

[Steve Casas]

Hi all. I have been reading the posts by Enzo and Tekhed7 and Gtr_tech about another members Special 130... and I have one with a similar problem...
...

[Bladerkeuh]

Hi, I can't find anything about this problem, so I post something on this forums since this site appears to be full of people who know a little something...

[csnjava]

8 years ago I bought a Marshall amplifier in Sao paulo, Brazil, and used only for a few days. I packed it in its plastic bag in my home and kept safe until...