Mattel Synsonics

[Circuitbenders]

You have zero chance of ever finding the synth chip from a synsonics outside of another synsonics.

if it doesn't turn on at all then its unlikely to be something irreplaceable thats the problem. If the synth chip was dead you'd probably get power but it just wouldn't sound like it should.

[Gordonjcp]

A quick google turns up the service manual for the Synsonics pretty easily.  The CPU and sound generator chip may prove impossible to replace :-/

However, the power supply is pretty straightforward and uses a simple inverter to generate +9V, +5V and -9V from the incoming supply.  Check that those supplies are present, and if not check the two transistors in the inverter.

[jochenp]

I don't have it in my possession yet, the seller still has to declare his price. If it's 20-30€, I'll take a shot at it.
Otherwise, with my luck, it'll just be more wasted money.
Thanks for the help! I'll keep you updated.

BTW: if it appears to be unfixable, is it worth something in parts or not?

[ultramars]

hi everybody

this mattel drum machines sound cool ! (litterally ^_^ )

is there a way to sync it externaly maybe?

[ultramars]

For those willing to take the risk of frying their syncsonics, it's all in there:
http://www.burnkit2600.com/synsonics-drums/

i'm gonna buy one this afternoon, looking forward to that

[ultramars]

Now with the rotating knobs, it really evocates this:

[Circuitbender-needed-in-N]

HEY IM IN BROOKLYN NY & JUST JOINED TO LOOK FOR A PPRO THAT CAN MODIFY A NINTENDO POWER GLOVE TO WIRELESS MIDI CONTROLLER