Casio CTK 3500 (electronic keyboard) doesn't turn on

[mus-ic]

I've Casio CTK 3500, which I purchased in 2019. It was working fine till last week but suddenly it stopped turning on. I'm not sure what happened as nothing...

[stevenrb718]

Anybody have schematics on the Line 6 Pod XT Pro rack unit? I have one that's stuck in a boot loop and one that starts up but has no sound.

[marc9889]

I have a noisy / buzzy / hissy sound coming from my Randall RRM 2-80 power amp. It's loud enough to be obnoxious, and definitely didn't come that way from...

[mpfig]

Hello,

I understand that these items serve completely different purposes.
Nevertheless, I've been searching online for an explanation...

[alonper]

Hello Friends,

We have Fender Hot Rod Deville 212, It's been a while that the amp is turning off after some time of playing, it stops working...

[trip]

Hey Guys,

Hoping anyone can give some insight on this, if it's a common failure or if any one has seen it before, I know Enzo is on here and...

[The Dude]

Thought I'd run this by y'all before I order.

I've got an Ampeg V4 (distortion model) with a shorted PT. I'm looking at this:

...

[acvegas]

Would anyone out their would happen to know the Carver M1.5T Power Output Transistor (TO-3 Metal Can Package) actual part number(s)?

[T9c]

Just a heads up for everyone, if you haven't gotten the email from ClassicTone. They now offer a drop in replacement/upgrade power transformer for the Egnater...

[AGrayson84]

Hi everyone. I picked up a new Mesa/Boogie Dual Rectifier (3-channel) back around 2000 or 2001 when I was still in high school. It was such an expensive item...

[DenisHurley]

Hi everyone,

I am new to this forum, but you seem like a very informed group and I'm hoping you can help me... I have an LED controller that...

[Skoked]

I am trying to find a replacement power transformer for Kustom "The Defender" 50w 1x12 amp.

I can get one from the manufacturer for...

[Gtr_tech]

I got a few of these from an Ebay vendor and they are not exactly a drop in replacement, but they work fine with a couple mins of tweezing. And....they're...

[jamesmafyew]

So I had a guy who asked me to mod his JCM900 2500 to more-or-less JCM800 2204 specs. He also specifically asked me to put in Mercury transformers and a choke,...

[CoopDaKill]

Hey guys,
I bought this Traynor YBA-3 at the flea mrkt. Upon powering it on and playing it for about 10 minutes, One of the big can...

[john_guitar]

Greetings,

A have a Marshall Valvestate 8100 and it is producing no sound at all and the tube does not glare at all. I assume there is an...

[coloratura]

anyone have a link or copy of the boss rc-2 schematic? i need to troubleshoot a fried one that's been plugged into the wrong PSU.

Thanks in...

[coloratura]

I have been given a rc-2 which has had the wrong psu plugged in and no longer turns on, i'm hoping that it's just a fried regulator rather than the dsp or...

[TENTACLES]

Hi,

I've Been playing this head for about 6 years now with no problems whatsoever, I love this head. Today unfortunately I ran into an issue...

[downsizingnow48]

I have used a Mesa Boogie Quad Preamp with stereo effects and a 50/50 stereo power amp, or a 20/20 stereo power amp, for years. I really like the sound of...

[modusmongo]

Hi folks. This is my first post. I have a '65 Pro reverb that is sitting in my garage in France. It had power issues in the states and I brought it here hoping...