North Adelaide
when reaching the set scores for replays on player 1 it wont give the replays but player 2 works fine
checked back box for any loose wires all ok, where should I be looking next ,any help would be appreciated
(Topic ID: 124348)
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Gottlieb, 1976-
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Gottlieb, 1976
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Colleyville, TX
Circuit diagram? is the wipers on the score reels installed correctly? If you remove the 10K reel (or 1K reel) you'll see leads on the Bakelite board labeled C, 0, 1, 2, 3 etc. With a continuity checker check that you have continuity between the C lead and whatever value the reel is on. ie if its on 7 then there should be a short between C and 7. If not, take apart, clean Bakelite, and make sure wiper is oriented the right way...
Ken
i checked the continuity on the 1k board i put one lead on c and the other on 8 and it beeped that was right because player ones score was on 68,000 but then when itouched the 7 it beeped and then putting one lead on the 7 and the other on 8 it beeped again is that right or
took the 1k circuit board out ,was thick of grease ,cleaned it with 91pc alcohol and put some super lube
on there after cleaning it the short on 7 and 8 was gone but still not rewarding replays i will wait to the weekend to strip it apart and clean the wiper arm and reflow solder
If you feel comfortable Raff I suggest you fully service each score reel assembly one at a time. Your comment on the 'grease' is not a good sign.
In case you have not seen it this thread may also be useful. 
Sorry Raff I forgot to ref this link in post 17
https://pinside.com/pinball/forum/topic/em-tech-what-do-you-use-to-clean-your-circuit-boards#post-2382415-e
Is there a good video or other tutorial out there in cleaning the score reel mechanisms on the Gottlieb decagon units from the 70s?
Quoted from goldenboy232:Is there a good video or other tutorial out there in cleaning the score reel mechanisms on the Gottlieb decagon units from the 70s?
videos two and three in this thread.
https://pinside.com/pinball/forum/topic/good-youtube-vid-for-decagon-score-reels#post-1059043
Quoted from practicalsteve:videos two and three in this thread.
https://pinside.com/pinball/forum/topic/good-youtube-vid-for-decagon-score-reels#post-1059043
Perfecto!
Quoted from pinhead52:Ive got a dozen spare reels...can spot you some
You are like the Sanford & Son of random pinball parts
Quoted from Wickerman2:You are like the Sanford & Son of random pinball parts
ok took the 1k & 10k circuit boards on both players out and cleaned them with brasso and then put
a little bit of super lube over them and cleaned the wiper arms replay is working again great but now
its caused the second player on the 1000 reel to hang at 9 causing score problems like if its on
9990 it will sometimes go back to all 0 what is causing this reel to hang at 9 and how do you fix this problem
it's "hanging" on the switch... two potential fixes...
a) adjust the switch so that it doesn't cause the score reel to hang... this "may" work... it may also lead to much frustration, as you may end up adjusting switches endlessly and not getting anywhere...
b) disassemble and clean the entire score reel mech so that all the parts move easier... re-assemble using new coil sleeve...
i would do "b"... the mech being grunged and not moving as easily as it should is likely the "root cause" of the problem (assuming you didn't accidentally "adjust" the switches when you took off the circuit board to clean it)...
to be honest, i would do "b" to ALL of the score reels... yea, it's not a lotta "fun" to r&r those mechs... but do them right once, and you'll never have to worry about score reel issues again...
yes, you definitely should replace the metal ones with nylon ones... i'm a bit surprised that machine has metal sleeves in it...
sleeve is part # a-8111...
edit: clean the mech while you have it apart...
Quoted from MikeO:It just needs to be a little longer than the retaining bracket so it will be contained. If 1.25" seems right then that is the length.
You can also cut down a longer sleeve to work here.
Quoted from Raff:is that sleeve a 1 1/4
< looks in parts catalog >
yup... 1.25"... i never knew that, i just knew the part number... learned my new thing for the day...
see below as well...
Quoted from MikeO:It just needs to be a little longer than the retaining bracket so it will be contained. If 1.25" seems right then that is the length.
You can cut down a longer sleeve to work here.
Quoted from Raff:are these coils all the same diameter
yup... part number a-15259...
earlier design decagon reels* used a different coil, a-9154, but the same sleeve...
* anything prior to march 1975...
took the 1k and 10 k apart today and gave every part a good clean using brasso on metal parts and
soapy water with a tooth brush on plastic ,the switches were out so alit bit of adjusting and everything is spot on, replays are working no hanging on the 9, thanks to all of you pinsiders out there, with out this forum I think there would be a lot of pins out of order
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