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substitute for rock ola bubbler battery ??
Battery Pack for all S-4, S-5A and S-6 Control Computers. Consists of three
1/3AA Nicad batteries in series at 3.6VDC any one know were I can get a batteryfor my s-6-1 black box can I substitute a ni cad cell phone battery and mount off the board so there is no chance of leakage ? thanks, jeff |
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#2
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substitute for rock ola bubbler battery ??
On Jun 5, 8:21 am, "Dig" wrote:
Battery Pack for all S-4, S-5A and S-6 Control Computers. Consists of three 1/3AA Nicad batteries in series at 3.6VDC any one know were I can get a batteryfor my s-6-1 black box can I substitute a ni cad cell phone battery and mount off the board so there is no chance of leakage ? thanks, jeff Use a lithium 1/2 AA cell, locate and remove the "charging" resistor (if it recharges the cell), so the machine doesn't try to recharge the cell. These things seem to be good for 20 years in many cases in my experience Dont put a nicad anywhere near a circuit board, these things leak and are destructive when they do. |
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substitute for rock ola bubbler battery ??
Dig wrote:
Battery Pack for all S-4, S-5A and S-6 Control Computers. Consists of three 1/3AA Nicad batteries in series at 3.6VDC any one know were I can get a batteryfor my s-6-1 black box can I substitute a ni cad cell phone battery and mount off the board so there is no chance of leakage ? thanks, jeff Any 3.6VDC ni-cad battery pack will work here. You can't use a lower or higher voltage pack without running a greater risk of battery failure. If you want to use a non-rechargable battery you MUST add an isolation diode in series with the new battery so the battery won't be charged by the jukebox - causing it to leak/explode... John :-#)# -- (Please post followups or tech inquiries to the newsgroup) John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9 Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games) www.flippers.com "Old pinballers never die, they just flip out." |
#4
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substitute for rock ola bubbler battery ??
On Jun 8, 2:57 pm, John Robertson wrote:
Dig wrote: Battery Pack for all S-4, S-5A and S-6 Control Computers. Consists of three 1/3AA Nicad batteries in series at 3.6VDC any one know were I can get a batteryfor my s-6-1 black box can I substitute a ni cad cell phone battery and mount off the board so there is no chance of leakage ? thanks, jeff Any 3.6VDC ni-cad battery pack will work here. You can't use a lower or higher voltage pack without running a greater risk of battery failure. If you want to use a non-rechargable battery you MUST add an isolation diode in series with the new battery so the battery won't be charged by the jukebox - causing it to leak/explode... John :-#)# -- (Please post followups or tech inquiries to the newsgroup) John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9 Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games) www.flippers.com "Old pinballers never die, they just flip out." WARNING. Actually, a few hours after reading your post, I was desoldering a slightly corroded LITHIUM Coin Cell from a ROWE R-89 Central Control Computer. (about 1985 vintage). I was holding the board with the battery facing downwards, pulling gently on it with my fingers while unsoldering the leads at the back. One of them was not wanting to come out, and after heating it for a few seconds there was a loud "bang" from under the battery, which I would compare to the sound of firing a childs toy cap gun. I felt it in my fingers holding the battery too, but there wasnt injury, just felt like a rush of air through them. There was no visible damage or burn marks on the battery or board, but it seems the residue "exploded" with soldering heat ? It might be a good idea for anyone working on these units in future to cut these cells from the board in future, and wash the residue off the board before applying a soldering iron to any pads that even have a small amount of corrosion. I would hate to think what it would be like if the entire battery were to explode, if a tiny bit of residue could do this. It also might be a good idea for anyone who still has these batteries in their 1980's ROWE cd jukes, and earlier models of ROWE CD jukes to consider replacing these soldered in lithium coin-cells too, as they are getting to the end of their lives. Note, I have never had any incidents like this when soldering corroded areas of NICAD batteries. |
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