(Topic ID: 231883)

Twilight Zone DMD

By swooped

5 years ago


Topic Heartbeat

Topic Stats

  • 54 posts
  • 8 Pinsiders participating
  • Latest reply 5 years ago by swooped
  • Topic is favorited by 2 Pinsiders

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7-opto input.jpg
Switch-Matrix (resized).jpg
TZ FT2 (resized).jpg
TZ sw (resized).jpg
7opto board.png
IMG_20181218_152228 (resized).jpg
sw TZ.jpg
IMG_20181218_115341 (resized).jpg
testpoint.png
IMG_20181218_095338 (resized).jpg
IMG_20181218_072958 (resized).jpg
IMG_20181218_073017 (resized).jpg
IMG_20181211_142107 (resized).jpg
There are 54 posts in this topic. You are on page 2 of 2.
#51 5 years ago

Sorry everyone its been awhile the Holidays got a little crazy and now I've been back at it. So I replaced U20 and U14 and socketed checked with a DMM everything looks good. However still had the same issue so I decided to order a new board and same issue.

Quoted from zaza:

You can test the inputs quite simple of the 7-optoboard.
-Again in switchtest T.1
-Keep J3 connected and unplug J2 on 7-optoboard.
-with a wire from J2-9, touch the other pins on J2 (see picture). Does this trigger any switch ?
[quoted image]

Just tried this and it doesn't trigger any switch. Same issue with new 7-optoboard both have LED lit so I know they are getting power. So my thought is could it be related to however J1 interacts with the opto board? Seems weird to me that when I jumper J3 on the opto it works(shows up in test mode) but when I jumper J2 it doesn't.

Side note I think I have prototype 1 which to me is pretty cool.

#52 5 years ago

So TZ is supposed to have a 10 Opto board PN A-16807. You say that you have 2 x 7 Opto boards? Do you know if it is a hack or is it because it is a prototype? (10-opto has 5 connectors, 7-opto has only 3)

#53 5 years ago
Quoted from Mageek:

because it is a prototype?

Not a prototype. Sample game or very early game.

LTG : )

#54 5 years ago
Quoted from Mageek:

So TZ is supposed to have a 10 Opto board PN A-16807. You say that you have 2 x 7 Opto boards? Do you know if it is a hack or is it because it is a prototype? (10-opto has 5 connectors, 7-opto has only 3)

Not a hack it was done intentionally.

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