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Author Topic: Bally Golden Continental Slot Machine E1275  (Read 12228 times)

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Offline ElCoyote

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Re: Bally Golden Continental Slot Machine E1275
« Reply #20 on: July 28, 2015, 10:30:50 AM »
Hello!

I've removed the 2 ram chip 5101 close the the battery, and i got the same error code (see picture above). when i cleared the bottom of the machine from rust i saw another error code, very strange but it never come back again. For now im checking all continuity with grounds connection, some of them have a little bit of resistance due to small oxydation on internal body of the machine.

I have only one LED panel to see code, you talking about 2, where the second is supposed to be located? Maybe one board have been removed in the past, or it comes with the hopper module wich i dont have.

Offline jancsi

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Re: Bally Golden Continental Slot Machine E1275
« Reply #21 on: July 28, 2015, 02:44:23 PM »
To this small display in your photo need write the error code.
Another display in front on  upper door  write credit and winnings values.
Check power supply connector (maybe burnt it ) and bad soldering  on power supply or cpu power connector and 2 7805 on cpu board.
Check 2 7805 output voltage too on CPU board , it should be 5.0 V.

Power supply GND in my machine is on  internal body of the machine.

Try pull out the cable on cpu  board (down ,right) which go to IO boards, it makes any change?

Hopper anfd hopper module  wasn't  in Golden Continental, in factory state.
Jancsi from Hungary.

Offline ElCoyote

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Re: Bally Golden Continental Slot Machine E1275
« Reply #22 on: July 28, 2015, 05:08:42 PM »
Well, now im sure every grounds (flat braided cables) are all okay, i removed one that was bad and made sure all boards ground are touching the body of the machine. Tomorrow i will check every 7805, i have some in stock if one of them is defect it will be replaced immediatly. here is a picture of a 7805 i just want to make sure i will test them correctly, the + is the one marked with a little triangle right?

Since i have removed rust from the bottom and checked every ground, repaired one of them, the coin display on the top front door dosen't lit anymore, before i do the job sometimes it was turning ON showing zero's on display, turned on/off the machine few times to see if i will come alive like it does before, but no luck. I just hope i did not ESD on something while working on that. Also, the code is now a little brighter on the signal panel the first zero is brighter and small dots are clearer that before.






Offline Neonkiss

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Re: Bally Golden Continental Slot Machine E1275
« Reply #23 on: July 28, 2015, 05:30:57 PM »
Check the ribbon cables from the I/O board to the MPU. Be sure pins are not bent or broken.

Offline jancsi

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Re: Bally Golden Continental Slot Machine E1275
« Reply #24 on: July 29, 2015, 05:07:25 AM »
7805 left leg input voltage ~ +10V  center leg GND right +5.0V

When cpu good in this display  count 5 6 8 on reset cycle, or power on.
When press reset button the display make any changes ?
Jancsi from Hungary.

Offline ElCoyote

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Re: Bally Golden Continental Slot Machine E1275
« Reply #25 on: July 29, 2015, 06:16:48 PM »
PSU give me good results, voltage is okay on the test loops, 7805 on it also give me +5 and +10v.

Both I/O board 7805's are giving good results, +5v and +10v and test loops give me 5v. Also every 7805 are OK on every boards including sound boards.

Pressing TEST button 1-8 times does nothing, same with RESET and DISPLAY.

There is 2 I/O boards on that machine, they almost identical, i have switched them saying to myself maybe the guy before me misplaced them but nothing has changed, I have placed I/O boards at the same place on the photo you posted exactly like your machine, still same results, so i am waiting on 5101 ram to see if something will change.

Here is pictures of I/O board i got.

 
« Last Edit: July 29, 2015, 08:19:31 PM by ElCoyote »

Offline jancsi

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Re: Bally Golden Continental Slot Machine E1275
« Reply #26 on: July 30, 2015, 04:53:54 AM »
Not will change with another ram.
It's not ram problem.

Without RAM need give error code 1 or 2  or  bad ram 6  error code.

Try out:  leave only power supply connector and  upper connector on cpu , which go to 6 digit internal display, alll other pull out.
It makes any change?


Jancsi from Hungary.

Offline ElCoyote

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Re: Bally Golden Continental Slot Machine E1275
« Reply #27 on: September 08, 2015, 01:22:33 PM »
Hello Jancsi!

I checked voltage on each fuses, here is what it should be and what i got:

Fuse 1: 9.5v got 3.69
Fuse 2: 7.5v got nothing
Fuse 3: 1v got nothing
Fuse 4: 50v got nothing
Fuse 5: 9.5v got 4.16v
Fuse 6: 100/110v got 120v wich is normal for my country.

Looks like the problem come from the power transfomer
I have received my 5101 ram, changed both of them... like you said its not a ram failure.

Im out of idea, i have checked to see if i can get a power transformer but cant find any on the web. Is it possible the crystal quartz is defect and cause a voltage failure?

Offline jancsi

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Re: Bally Golden Continental Slot Machine E1275
« Reply #28 on: September 09, 2015, 12:10:26 PM »
You check AC voltage on Fuse?
Check Fuse holder temperature.  Not hot?

Check voltage on power transformer input and otput voltage. too.

input need  110-120V

Otput 
H-I  -> 10V  AC
J-K  ->54V  AC
K-L  -> 1V  AC
K-M -> 8V  AC

Jancsi from Hungary.

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Re: Bally Golden Continental Slot Machine E1275
« Reply #29 on: September 11, 2015, 02:18:28 PM »
Yes i checked AC voltage on fuse see above message, 3 of them have no power.

Temperature on fuse holder is not hot, some of them are a little warm but not really hot, like the power transformer just a little bit warmer than body temperature.

Output voltage on power transformer give me this:

H-I = 3.59v (normal is 10vac)
J-K = 3.6v (normal is 54vac)
K-L = 0 (normal is 1vac)
K-M = 0 (normal is 8vac)

Trying to see if i can find a brand new power transformer or a used one that works but no luck! What is weird is every 7805 give me 10v and 5v when i check power transformer it give me 3.59 (H-I) and 3.6V (J-K).



Offline jancsi

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Re: Bally Golden Continental Slot Machine E1275
« Reply #30 on: September 11, 2015, 10:32:18 PM »
Transformer input voltage cheched?
Jancsi from Hungary.

Offline ElCoyote

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Re: Bally Golden Continental Slot Machine E1275
« Reply #31 on: September 17, 2015, 10:34:21 AM »
Here is the result of the Input/Output voltage, i wrote down a lille schematic of what it should be and what i get when testing voltage.

There is a wire that goes to the 220v beau plug that is unplugged to the system (G) Red/white stripped wire #57-9 on Bally schematics. Maybe someone has replaced the beau plug and missplaced this wire?

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Re: Bally Golden Continental Slot Machine E1275
« Reply #32 on: September 19, 2015, 05:57:25 AM »
My transormator picture.
My machine is 220V,  at factory.
Jancsi from Hungary.

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Re: Bally Golden Continental Slot Machine E1275
« Reply #33 on: September 19, 2015, 08:41:42 AM »
Above the fuses is your power supply board. Have you cleaned the pins and reseated the Molex connector to the pins? Are there any brown or burnt connections on the plastic Molex connector that would indicate a bad connection? Have  resoldered all the pin solder joints?

Offline ElCoyote

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Re: Bally Golden Continental Slot Machine E1275
« Reply #34 on: January 29, 2017, 09:59:25 AM »

I have only one internal display for error codes, it is located on the door upper left side.


Here is the codes I'm getting while progressing on this machine, I think there is something missing behind the reels, there is no plug at left side of the reel support.




Offline jancsi

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Re: Bally Golden Continental Slot Machine E1275
« Reply #35 on: February 19, 2017, 07:47:17 AM »
This is not error code.
Your CPU not working, or you have cable problem.
Jancsi from Hungary.

Offline ElCoyote

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Re: Bally Golden Continental Slot Machine E1275
« Reply #36 on: February 20, 2017, 05:01:24 PM »

You right, there is something wrong with that CPU, I did a lot of work to be sure everything is clean, like pins on chip or connectors, wires, checked voltage on every 7805, etc..etc..


"Error codes" changed few times during my checkup letting me think I'm getting closer and closer, but none of them are valid codes, Im gonna see if I can find a CPU for this machine.


 

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