(Topic ID: 226962)

Testing output on Transformer ( dumb I know )

By MartinKettering

5 years ago


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  • 16 posts
  • 6 Pinsiders participating
  • Latest reply 5 years ago by wayout440
  • Topic is favorited by 3 Pinsiders

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#1 5 years ago

Hi,

Please forgive my ignorance, I have a lighting fault and the only common place that both light faults meet is at the transformer itself. I have cleaned and checked continuity ect, cleaned connection, checked fuses.
I want to test to see if I am getting 6 volt out of the transformer. I have googled loads of videos, but I need a very basic " Put your multimeter black to this poit, and the red to this point " instruction.
Also ( Its a gotlieb ) would it be 6v DC or AC ?
Thanks for any help you can give this newbie.

#3 5 years ago

Hi,
Thanks for getting back to me.
Its actually a Nordamatic " Champ " game based on the Gotlieb 300 I think.

#5 5 years ago

Hi,

As posted elsewhere ( dont want to flood ) , The feature light ( special, WOW, X ) symbols do not light on the play surface, and there is no lighting at all in the read box. I only brought this weekend as a project, so am feeling my way a bit and learning from you guys here. The only common denominator is that both fuses for the box light and play surface run off the same tab on the transformer. I have cleaned and continuity tested every plug and socket, so this is now my starting point. I know which one is the 6v output, so I can put my multimeter to this ( red ), but where would I put my other connection to get a reading?
Thanks for your responses.

I have added a stock picture offline, my one looks identical.

trnsformer (resized).jpgtrnsformer (resized).jpg
#6 5 years ago

# Read box ~ Top light box #

#8 5 years ago

Hi,

I will test it and come back to you, at least its a logical starting point for me, thanks for your help.

#9 5 years ago

Hi,

I have attached a picture of my actual transformer, do I test between lug showing "5" at the top and "COM " at the bottom?

thanks

transformer (resized).JPGtransformer (resized).JPG
#11 5 years ago

LOL,

Hmmmmm, someone has said as there are " some " lights working then the transformer is probably ok. The " Tilt " sign illuminates on power on, then goes off when a game is started, so no lights in the top box and no special feature lights on the play field at all. Its baffling me!

#14 5 years ago

Hi,

Yes I am in the UK, so 240v is what we have. I have cleaned so many contacts and resoldered so many joints, it really is a needle in a haystack. I was hoping this restoration would have been more a cosmetic issue .... but I am learning more everyday thanks to you guys.

#15 5 years ago

Hi,

Found the issue, the first thing I tested ... The fuse!. It would give continuity when being tested as there was pressure each end, when in the holder it would break connection, must be 1000's of a mm broken inside under the cap one end. Put some 15amp fuse wire in, BINGO, like a Christmas tree!!!!
Thanks for all your help guys, at least I know all the connections are good everywhere else.

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