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PostPosted: Sun Aug 27, 2017 3:53 pm 
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Posts: 11
Although I get why you say that, this portion of the block diagram leaves me scratching my head then.


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PostPosted: Sun Aug 27, 2017 3:56 pm 
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Location: Seattle
There are a few errors in the Electronix Corp reverse-engineered schematic, unfortunately.
That's one of them. Another is the connector to the reset switch and power LED.


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PostPosted: Sun Aug 27, 2017 4:11 pm 
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FAK.
Good to know. I was actually tracing that up in Inkscape so that I had a nice svg/PDF of it. :\


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PostPosted: Sun Aug 27, 2017 6:33 pm 
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Location: Seattle
Here's a corrected copy—I could have missed some more errors, though.

39 downloads of ver 2017-8-27.
322 downloads of ver 2017-8-28.
20 downloads of ver 2018-1-07.
changes:
2017-8-27 : nets on PPU pins 18, 13; cartridge connector pins 37, 65; reset button/power LED daughterboard pinout
2017-8-28 : net on PPU pin 21 (/WR) - connected to wrong net
2017-10-19 : figured out last resistor array
2017-11-03 : added some silkscreened part numbers
2018-01-07 : corrected some pin numbers
2018-03-16 : corrected some pin numbers and pin labels


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