Talk:Williams WPC: Difference between revisions
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Dielectric grease is not conductive | Dielectric grease is not conductive | ||
I | Corrected pin count on ASIC 108->84. TerryB 10:49, 7 Jan 2016 (PST) | ||
== WPC 10 Opto Board Problems == | |||
"Sometimes the switch edge test can show one or multiple opto switches flickering open and closed." | |||
I am looking for clarification on this statement. Will it only affect other optos or will it also affect physical switches which would only be apparent if they are closed? | |||
I am guessing from that statement that this would affect all switches on either the columns and/or rows that are connected to this 10 Opto Board, but I am looking for confirmation. | |||
For example, if U2 were affected, that could affect on column (labelled as column 1 in the schematic but can be any column in the switch matrix). | |||
It might also affect rows 5, 6 & 7 as U2 is connected to one column and three rows. U1 would affect rows 1 - 4. U3 would affect rows 1 - 3 and one column (labelled 2 in the schematic).[[User:The Hammer|The Hammer]] ([[User talk:The Hammer|talk]]) 16:00, 19 September 2026 (CDT) | |||
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I found the text. | |||
I don't think it means anything other than what it says. | |||
A failing LM339 comparator can sometimes indicate a switch is closed and sometimes indicate a switch is open. It can indicate one switch, or all of the switches that the comparator is responsible for. | |||
Does that make sense or I have I missed the point? | |||
Chris | |||
Latest revision as of 20:37, 22 September 2026
We should push game-specific comments into the game page. Having them all up front is messy. We can always create compendium pages later.--Mr 04:04, 7 May 2011 (BST)
Hey Martin...I agree...After the other reorganizing I did...I ran out of energy. BTW, I made a new page called "WPC DMD Controller Board"...just to be a bit more consistent with other namings. I copied your crack at it into that page. I don't know how to delete old pages. --Chris Hibler 04:49, 7 May 2011 (BST)
OK Martin, et.al....moved game specific issues and fixes to a subpage for now...Eventually, these should be moved to the game specific page.
--Chris Hibler 04:58, 7 May 2011 (BST)
Moved all game specific issues to the game's subpage... --Chris Hibler 03:58, 9 May 2011 (BST)
OK, I am going to push a few other repairs into their appropriate pages. --Mr 07:16, 21 May 2011 (BST)
Dielectric grease is not conductive
Corrected pin count on ASIC 108->84. TerryB 10:49, 7 Jan 2016 (PST)
WPC 10 Opto Board Problems
"Sometimes the switch edge test can show one or multiple opto switches flickering open and closed."
I am looking for clarification on this statement. Will it only affect other optos or will it also affect physical switches which would only be apparent if they are closed?
I am guessing from that statement that this would affect all switches on either the columns and/or rows that are connected to this 10 Opto Board, but I am looking for confirmation.
For example, if U2 were affected, that could affect on column (labelled as column 1 in the schematic but can be any column in the switch matrix). It might also affect rows 5, 6 & 7 as U2 is connected to one column and three rows. U1 would affect rows 1 - 4. U3 would affect rows 1 - 3 and one column (labelled 2 in the schematic).The Hammer (talk) 16:00, 19 September 2026 (CDT)
I found the text. I don't think it means anything other than what it says. A failing LM339 comparator can sometimes indicate a switch is closed and sometimes indicate a switch is open. It can indicate one switch, or all of the switches that the comparator is responsible for.
Does that make sense or I have I missed the point?
Chris