The Aussie Pinball Arcade

Aussie Pinball Forums => Pinball Trader => Parts wanted => Topic started by: PinPal on June 20, 2015, 07:38:46 PM

Title: Switch Matrix Chip LM339 IC
Post by: PinPal 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.....

Title: Re: Switch Matrix Chip LM339 IC
Post by: Steevsee on June 20, 2015, 07:56:21 PM

U20 is a ULN2803, not LM339.

Title: Re: Switch Matrix Chip LM339 IC
Post by: pinball god on June 20, 2015, 07:57:50 PM

Rtbb has the uln2803 chip

Title: Re: Switch Matrix Chip LM339 IC
Post by: Steevsee on June 20, 2015, 08:03:32 PM

Quote from: pinball god on June 20, 2015, 07:57:50 PM

Rtbb has the uln2803 chip

Beat me to it!

http://www.rtbb.com.au/catalog/product_info.php?cPath=22_88_143&products_id=2407 (http://www.rtbb.com.au/catalog/product_info.php?cPath=22_88_143&products_id=2407)

Title: Re:
Post by: robm on June 20, 2015, 08:33:32 PM

Jaycar or most electronics shops also have them

Title: Re: Switch Matrix Chip LM339 IC
Post by: pinsanity on June 20, 2015, 09:22:14 PM

Socket it if it hasn't been done already.

Title: Re: Switch Matrix Chip LM339 IC
Post by: PinPal on June 21, 2015, 10:15:55 AM

Thank you   ^^^
Yes it has been socketed, just got to get the replacement.

Pinpal...

Title: Re:
Post by: Zedman on June 22, 2015, 09:31:06 PM

Have you tried a google search?

Title: Re: Switch Matrix Chip LM339 IC
Post by: PinPal on June 22, 2015, 09:51:20 PM

Got one,  Thanks folks    ^^^