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(Topic ID: 127492)

TZ Switch matrix overvoltage problem

By WannaPinball

8 years ago


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#39 8 years ago
 
JVC

Mamushka

Pinside member

US Lithia, FL

10y 33,900 218 6

I had a TZ that randomly ate a few ULN2803 chips. Turned out a GI light in one of the slings would short to the switch matrix. It's worth a look.

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#40 8 years ago
 
JVC

Mamushka

Pinside member

US Lithia, FL

10y 33,900 218 6

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