Author Topic: Switch Matrix Chip LM339 IC  (Read 504 times)

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Offline PinPal

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Switch Matrix Chip LM339 IC
« on: June 20, 2015, 07:38:46 PM »
Hi I am after a replacement switch Matrix chip for my pinball, its the LM339 IC
The IC at U20 on the WPC Board.

Anyone have one spare or where I can get one?

Help appreciated,,,

Thanks

Pinpal.....

Offline Steevsee

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Re: Switch Matrix Chip LM339 IC
« Reply #1 on: June 20, 2015, 07:56:21 PM »
U20 is a ULN2803, not LM339.

Offline pinball god

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Re: Switch Matrix Chip LM339 IC
« Reply #2 on: June 20, 2015, 07:57:50 PM »
Rtbb has the uln2803 chip
Still loving my Metallica Premium

Offline Steevsee

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« Last Edit: June 20, 2015, 08:05:48 PM by Steevsee »

Offline robm

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Re:
« Reply #4 on: June 20, 2015, 08:33:32 PM »
Jaycar or most electronics shops also have them

Offline pinsanity

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Re: Switch Matrix Chip LM339 IC
« Reply #5 on: June 20, 2015, 09:22:14 PM »
Socket it if it hasn't been done already.


Offline PinPal

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Re: Switch Matrix Chip LM339 IC
« Reply #6 on: June 21, 2015, 10:15:55 AM »
Thank you   ^^^
Yes it has been socketed, just got to get the replacement.

Pinpal...

Offline Zedman

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Re:
« Reply #7 on: June 22, 2015, 09:31:06 PM »
Have you tried a google search?

Offline PinPal

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Re: Switch Matrix Chip LM339 IC
« Reply #8 on: June 22, 2015, 09:51:20 PM »
Got one,  Thanks folks    ^^^