Photo: stashyboy

(Topic ID: 254455)

Bally paragon

By Mountford

4 years ago

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9 posts
6 Pinsiders participating
Latest reply 4 years ago by Skidave
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426E151F-2F29-4B09-9919-204F39DCD45D (resized).jpeg

#1 4 years ago

???

Hello guys, I have had this game sitting in the shed for the last 23 years and have finally got it up and running. I have replaced both the rectifier and MPU boards. I have had it running but after a couple of days the playing lights aren’t working as they used to. The lights don’t cycle in sequence as they used to and tend to flicker with some staying on.....any ideas?....lamp board module....earthing problems....seems to be the scoring lights rather than the illumination ones....thanks

image (resized).jpg

#2 4 years ago

AXE

YeOldPinPlayer

Inactive member

Unknown

8y 111K 6,454 4 12

Welcome to Pinside!
The light sockets are poor on this era of Bally. Header pins often need to be done but since you've replace the MPU maybe not.
http://www.pinwiki.com/wiki/index.php?title=Bally/Stern#Lamp_problems

#3 4 years ago

???

Mountford

Inactive member

Unknown

4y 2,400 3

Cool thanks for that I will make a start there and see if that solves my problem

#4 4 years ago

???

JethroP

Pinside+ Frequent

6y 101K 3,130 9 14 1

By the looks of the displays on the backless you likely have connection problems. Sitting in the shed for 23 years....yeah, corrosion. You could try cleaning the header pins on your MPU but you may end up having to replace them and the female connectors as well.

#5 4 years ago

???

Mountford

Inactive member

Unknown

4y 2,400 3

Just pulled the lamp driver board off and the tracks on the back of the board look like this.....could be an issue...?

426E151F-2F29-4B09-9919-204F39DCD45D (resized).jpeg

#6 4 years ago

TKM

Daditude

Pinside Moderator

Rockwall, TX

5y 266K 10,116 23 271

OP
Quoted from Mountford:
Just pulled the lamp driver board off and the tracks on the back of the board look like this.....could be an issue...?[quoted image]

Get a new board.

#7 4 years ago

???

JethroP

Pinside+ Frequent

6y 101K 3,130 9 14 1

The lamp driver board doesn't look good, but that is not the reason your (score) displays are weird. Still suggest you check connections between the MPU and displays. That would be connector J1 on the MPU.

#8 4 years ago

KNG

Grangeomatic

Pinside member

Milwaukee, WI

9y 39,300 451 14

touch up the solder on the connectors on the display boards. That should improve the displays. Those tend to crack with time.

#9 4 years ago

DBS

Skidave

Pinside member

6y 63,550 1,285 9

OP
Quoted from Mountford:
Just pulled the lamp driver board off and the tracks on the back of the board look like this.....could be an issue...?[quoted image]

Looks like battery acid dripped down onto that board. I had one like that. I did a bunch of re-work to save it. Ebay or Altek if you do not want to put the time into the repair.

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