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dangerousdave8390

maygay m1a/b board repair thread

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ok guys so as you may know i am fixing my own m1a/b maygay boards because no one will fix them an i'm maygay mad lol

 

and i have had some success fixing 4 in total since last march , i am going to use this same thread everytime time to talk about different m1 boards instead of starting a million  different posts on the same thing , and anyone else can use it for there problems too if no one minds and its ok to do so it makes sense.

 

so anyway here is the latest one or one off the latest ones (i have afew on the go) i've managed to get to boot from my scrap pile 

 

believe it or not as bad as it looks it now works , i couldn't believe it when it booted after the work i did i wasn't confident about this one at all. as specially when i carelessly burn't through the harting connector with the soldering iron whilst checking the back of the board

and had to fit another ,post-3283-0-95299000-1516132922_thumb.jpgpost-3283-0-19392600-1516132939_thumb.jpgpost-3283-0-09795400-1516132954_thumb.jpgpost-3283-0-89155700-1516132967_thumb.jpg

 

it had 2 problems on boot one the meter error which i swapped out and socketed u40 and u41 which seems to have stopped that 

 

and the second problem is it won't take coins i've socketed and replaced u43 with no joy, and all night last night running the meter all over the tracks with bleep test .especially around the coin mech plug but i just can't find afaulty track???

 

does anyone know if there are any other ic's connected to the coin mech i could swap out i am gonna try again to find a broken track 

 

but i don't think there is one?  but then i'm thinking if one track was broke would it stop all coins??  is there one main track for all coins?

 

thanks and look forward to your help, comments or just chat

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is it possible that a track can be broke miles away from the area with the problem that can cause the problem? its driving me mad 

 

i haven't checked everywhere for bad tracks just the back of the board and around the coin mech plug on the ic side ?

 

help please

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Wow,you gone pro already,i said there was no stopping you,maybe the next andrew 96 even

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no i doubt tha,t long as i can keep all my machines going , or if i see another machine try fix one for it instead of sourcing aworking one 

 

the plan is to have one for every machine i have an acouple spare i have that now and acouple spare , but i'll just carry on regardless

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i didn't fix them all,

 

no,but you got some dead boards working.so you can do it.think positive

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Well done fella, good work, have you many Maygays in your collection, always wanted a Pink Panther in the Cabinet with the sort of blue glass.

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:lol:  :lol:  :lol:

Well done fella, good work, have you many Maygays in your collection, always wanted a Pink Panther in the Cabinet with the sort of blue glass.

there all maygays  got 2 apollo9's the great escape, the itailian job , cash is king. monopoly(blue one)  cornation street (one with jack and vera on) trivial pursuit , it's aknockout, cleudo super sleuth,donkey kong , noels house party i've also got pcl procon quickshot from 1986 , all back openers accept one of the apollo9's , and there all instorage apart from apollo9 and noel's house party, cludeo and it's aknock out have there boards in instorage the rest are in the box in the photo at home i've got about 3 boards over at the minute but i want afew spares ,

 

the plan is to get ahouse maybe this time next year with aseller room for them , hence why i've fixed boards, might have to get rid of one or 2 i don't know depends how big room is , or if its really big get afew more lol

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You won't need all them test rigs once your new hobby takes off a bit more dave... Almost there and getting closer by the day.  :whistle:

Edited by Louie Bee

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