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FDP Forum / Guitar Mods, Repairs, and Projects / Anybody own a Casio 200 series Fretlight?

wrnchbndr

New Jersey

I'm back with the otters again
Jul 1st, 2019 01:57 PM   Edit   Profile  

I got one and despite the namebrand its actually a well built guitar. I don't know who built the actual guitar for Casio. Anyway, its missing the power supply and I don't want to plug in anything that is going to blow it. Best I can tell is that it should be 9V but I don't know the polarity or the milliamp spec.

Te 52

Laws of Physics

strictly enforced
Jul 1st, 2019 02:44 PM   Edit   Profile  

Maybe try emailing support@fretlight.com ?

Peegoo
Contributing Member
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If irritation occurs

contact your physician
Jul 1st, 2019 03:56 PM   Edit   Profile  

I worked on a few years ago. They were originally marketed by Optek, and used a power supply that provided 9vDC at 1 amp, center positive. The ones I worked on did have reverse-polarity diode protection on the control board.

You can confirm this by looking at the power lead connections on the board and how the diode is oriented in the circuit. This is a simple way to determine polarity on any PC board.

If there's no diode in series on the power input on any PC board, look at the traces coming from the two inputs and you'll see which side is the ground rail; it's the long one connected to a buttload of solder pads.

Looky here, brother.

wrnchbndr

New Jersey

I'm back with the otters again
Jul 1st, 2019 05:24 PM   Edit   Profile  

Geno your post confirmed my research. Much thanks brother. Yep, I did email FretLight support also. I am surrounded by idiots who will plug in any old power supply if the jack fits despite me exploding time and again and working on lots of dead gear. I was handed the guitar with assurances that they had the correct power supply and it was a 9VAC and I immediately suspected stupidity.

Peegoo
Contributing Member
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If irritation occurs

contact your physician
Jul 1st, 2019 05:56 PM   Edit   Profile  

Outstanding, Mark. You've saved another otter from the jaws of...whatever eats otters :oD

Leftee
Contributing Member
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VA

The Escalator
Jul 1st, 2019 06:23 PM   Edit   Profile  

He saved it from the jaws of 9VAC.

Peegoo
Contributing Member
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If irritation occurs

contact your physician
Jul 1st, 2019 06:36 PM   Edit   Profile  

Yeah, even with reverse voltage protection, AC voltage probably would've baked a few teensy chicklets.

wrnchbndr

New Jersey

I'm back with the otters again
Jul 3rd, 2019 10:26 AM   Edit   Profile  

Total thanks. I finally found a decent wall wart and connected the silly 1/8 earphone jack to it. ITS ALIVE!!! and it works. The guitar is actually a fairly well crafted MIK telecaster sort of thing but heavy as an LP. Now that the electronics work, I'm doin the fretwork and a setup. Gonna see if along with the gimmicky lights the guitar has any mojo.

Peegoo
Contributing Member
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If irritation occurs

discontinue use.
Jul 3rd, 2019 12:25 PM   Edit   Profile  

ooo pics please!

FDP Forum / Guitar Mods, Repairs, and Projects / Anybody own a Casio 200 series Fretlight?




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