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Author Topic: SWEP1 neon issued again.  (Read 2277 times)

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Offline infinite1977

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SWEP1 neon issued again.
« on: June 04, 2016, 01:44:31 PM »
Was tinkering with my SWEP1 and the neon stopped working. I have put the neon on a 9v battery and it lights up so I suspect issue is from the two wires underplayfield. (There is no connector as previous owner did a hack job)
Going though solenoid test and nothing
Any suggestions

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Offline infinite1977

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Re:
« Reply #1 on: June 04, 2016, 02:06:48 PM »
Could it be a bad ic on the board as i think i had to replace it when I got the machine

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Offline Retropin

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Re: SWEP1 neon issued again.
« Reply #2 on: June 04, 2016, 02:44:05 PM »
more then likely you have knocked the 12v out unless you shorted something while "tinkering" and killed the IC but I doubt it
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Offline infinite1977

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Re:
« Reply #3 on: June 04, 2016, 03:01:47 PM »
Ok. How do i fix it :) lol

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Offline Retropin

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Re:
« Reply #4 on: June 04, 2016, 06:18:43 PM »
Quote from: infinite1977 on June 04, 2016, 03:01:47 PM
Ok. How do i fix it :) lol

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That's easy.. find what you did and reverse it
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Offline infinite1977

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Re:
« Reply #5 on: June 04, 2016, 06:40:14 PM »
Didn't really do anything lol. I was just making the light sabre neater when the two wires connecting the playfield and transformer came loose.

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Offline Retropin

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Re:
« Reply #6 on: June 04, 2016, 06:52:15 PM »
Quote from: infinite1977 on June 04, 2016, 06:40:14 PM
Didn't really do anything lol. I was just making the light sabre neater when the two wires connecting the playfield and transformer came loose.

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The transformer to these is a DC by memory.. make sure you got your polarity correct!
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Offline infinite1977

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Re:
« Reply #7 on: June 04, 2016, 07:10:09 PM »
I have tried both combinations as i wasn't sure which wire was positive and negative.

Brown/ white and grey/yellow.

Going by what your saying I think i have blown ic

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Offline infinite1977

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Re:
« Reply #8 on: June 04, 2016, 07:14:21 PM »
Fuse was fine

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Offline Retropin

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Re: SWEP1 neon issued again.
« Reply #9 on: June 04, 2016, 07:30:22 PM »
Whats the IC code? Ill look it up and see if shorting the 12V output would blow it.. be very surprised if that's the case though
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Offline infinite1977

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Re:
« Reply #10 on: June 04, 2016, 07:36:42 PM »
U 35 is the drive transistor. It's the only thing I can think of. Otherwise where do o go from here

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Offline Retropin

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Re: SWEP1 neon issued again.
« Reply #11 on: June 05, 2016, 10:17:55 AM »
Start by putting the game into attract mode and see if neon lights up.. if not, ground the -ve lead(Black) and it should light up. Like most components in a pinball, these will sit high waiting for ground to activate them.
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Offline infinite1977

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Re:
« Reply #12 on: June 05, 2016, 10:41:39 AM »
Ok there are two black leads coming from the transformer
(I know which one is negative from when I connected it to the battery.)
How do i ground it to activate it exactly

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Offline Retropin

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Re: SWEP1 neon issued again.
« Reply #13 on: June 05, 2016, 10:46:33 AM »
Jumper it to the -ve rail or even to an earth on the machine will do
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Offline infinite1977

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Re:
« Reply #14 on: June 05, 2016, 11:16:04 AM »
Jumper ed it on to the earth braid. A little spark came out and went to the diagnostics menu.
Still nothing on neon

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