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F14 displays bad (all 4 of them)

  
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lbarry7637

External


Since: Jun 16, 2005
Posts: 22



(Msg. 1) Posted: Tue Jun 28, 2005 9:39 am
Post subject: F14 displays bad (all 4 of them)
Archived from groups: rec>games>pinball (more info?)
Hi All,

My F14 displays are all bad (all 4 of them)which is strange because I
have checked the voltages at the connector on the display panel and get
100+, 100-, and 5V. Yes, the ribbon cable and all connectors and
connections are connected properly.

I have a Whirlwind and I was wondering if I can move F14 panel over to
that game and plug the whole panel in to see if it works in that game
and maybe I have a communication problem on the F14.

Just wanted to check before I try it.

Thanks,

Craig
CARGPB23
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Ray Johnson - Action Pinb

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Since: Jun 16, 2005
Posts: 405



(Msg. 2) Posted: Tue Jun 28, 2005 10:47 am
Post subject: Re: F14 displays bad (all 4 of them) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
<lbarry7637 RemoveThis @aol.com> wrote:
> My F14 displays are all bad (all 4 of them)which is strange because I
> have checked the voltages at the connector on the display panel and get
> 100+, 100-, and 5V. Yes, the ribbon cable and all connectors and
> connections are connected properly.

Were they all working and then just quit at the same time? Or did you buy
the game this way? Maybe they fizzled out gradually over time rather than
all going at the same instant. I've been confused by stuff like this
before- both alpahnumeric displays being bad, but numerics working, or
vice-versa. Every time, for me, it's been on games I've picked up as-is
with no known history and turned out to just be burned-out display tubes.
May be the same on your game.

If they all went out at same time that might be a signal problem from MPU
board- cracked solder joints are common on these games, so may be a bad
joint.

> I have a Whirlwind and I was wondering if I can move F14 panel over to
> that game and plug the whole panel in to see if it works in that game
> and maybe I have a communication problem on the F14.

No- Whirlwind uses 2 x 16-d alphanumeric tubes. F-14 uses 2 x 7-d
alphanumerics and 2 x 7-d numerics- different hardware.

Another game like Swords of Fury, Millionaire, Cyclone, Big Guns, Fire,
Millionaire, PinBot, Road Kings, High Speed or Grand Lizard would/should
have the same setup as F-14.

Ray J.
--
Action Pinball & Amusement, LLC
Salt Lake City, Utah USA
Web: www.actionpinball.com

We're serious about pinball. Anything else is just for fun!
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Frank-Rainer Grahl

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Since: Jun 21, 2005
Posts: 36



(Msg. 3) Posted: Tue Jun 28, 2005 8:08 pm
Post subject: Re: F14 displays bad (all 4 of them) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
>>My F14 displays are all bad (all 4 of them)which is strange because I
>>have checked the voltages at the connector on the display panel and get
>>100+, 100-, and 5V. Yes, the ribbon cable and all connectors and
>>connections are connected properly.

Happens all the time with these displays from Displays Incorporated. They hate
moisture, vibrations and temperature changes. Seal breaks and poof they go. I
junked all displays from more than one of my boards. Usually you can see some
glitter in outgassed displays as if small diamonds are imbedded. If these are
Cherry displays with a glas nippel usually the logic or voltages are faulty.

>>I have a Whirlwind and I was wondering if I can move F14 panel over to
>>that game and plug the whole panel in to see if it works in that game
>>and maybe I have a communication problem on the F14.

Yes it works sort of. The display segment signals will be inverted but at least
they light up. Connectors are the same. Just don't try this for a long period of
time.

Regards
Frank-Rainer Grahl
(frgrahl@REMOVE.ME.gmx.net)
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lbarry7637

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Since: Jun 16, 2005
Posts: 22



(Msg. 4) Posted: Tue Jun 28, 2005 8:47 pm
Post subject: Re: F14 displays bad (all 4 of them) [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Well, I confirmed it. They are dead. (all 4 of them)
Guess I have to bite the bullet and buy some displays now.

Thanks to all who replied.

Craig
CARGPB23
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