Radio shack MD-1160 won’t turn on

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Casio Electronic Keyboard

Repair and disassembly guides for Casio electronic keyboards.

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SuzanGeorges @suzang

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Опубликовано: 18 июл 2022 г.

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Radio shack MD-1160 won’t turn on

My keyboard has no power when plugged in to the dc plug. I have taken the unit apart and have found nothing unusual on the circuit boards other then blackened grease where the on off switch runs. Any suggestions?

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Can you take a picture of the circuit board(s) and upload it here? Adding images to an existing question

18 июл 2022 г. из Andrew S

Hi @suzang,

Have you checked that the AC/DC adapter power supply that plugs into the keyboard is working OK i.e. that there is 9V DC on the plug at the end of the cable?

If you can't test if the 9V DC output adapter is working, then try inserting 6 x "D" size dry cell batteries ( 6 x 1.5V D cell batteries = 9V DC) in the keyboard's battery compartment and check if it turns on.

Make sure that the DC plug adapter is unplugged from the keyboard if you try this as plugging in the adapter disconnects the battery's power supply to the keyboard

19 июл 2022 г. из jayeff

I have finally put batteries in and it works!🤣. So I guess now I will need to take pics of the two Circuit boards so y’all can see if I’m missing something. I will also be purchasing a new 9v plug for the keyboard.

27 июл 2022 г. из SuzanGeorges

@suzang

Here’s how to add photos!

Adding images to an existing question

28 июл 2022 г. из HelloMacOS

@suzang

Have you tried a different, known working compatible 9V DC power adapter to see if that worked, you didn't say?

28 июл 2022 г. из jayeff

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Can you take a picture of the circuit board(s) and upload it here? Adding images to an existing question — Andrew S
Hi @suzang,

Have you checked that the AC/DC adapter power supply that plugs into the keyboard is working OK i.e. that there is 9V DC on the plug at the end of the cable?

If you can't test if the 9V DC output adapter is working, then try inserting 6 x "D" size dry cell batteries ( 6 x 1.5V D cell batteries = 9V DC) in the keyboard's battery compartment and check if it turns on.

Make sure that the DC plug adapter is unplugged from the keyboard if you try this as plugging in the adapter disconnects the battery's power supply to the keyboard — jayeff
I have finally put batteries in and it works!🤣. So I guess now I will need to take pics of the two Circuit boards so y’all can see if I’m missing something. I will also be purchasing a new 9v plug for the keyboard. — SuzanGeorges
@suzang

Here’s how to add photos!

Adding images to an existing question — HelloMacOS
@suzang

Have you tried a different, known working compatible 9V DC power adapter to see if that worked, you didn't say? — jayeff

HelloMacOS @hellomacos Репутация: 25,9к 205 22 38 · Answer 1 · 2022-07-19T02:18:00-07:00

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HelloMacOS @hellomacos

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Опубликовано: 19 июл 2022 г.

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Hi

ideally we need some photos

you can add some photos by following this great guide

Adding images to an existing question

That blackened grease could be where the switch has worn out and is no longer performing like a switch (turning in and off)

also I would check both sides of the board and check in power in side if the board, also check the fuse in the plug, but for now with no photos that's all I can really do so when we get some photos we can look into things a bit better;-)

hopefully this helps

Thanks:-)

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