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Bill Validators and Currency acceptors => JCM DBV-45, DBV-145, and DBV-200 Bill Validators. => Topic started by: Mdpokersupply on August 27, 2009, 09:33:17 PM



Title: DBV-145 Power Supply Cap upgrade for use with the DBV-200
Post by: Mdpokersupply on August 27, 2009, 09:33:17 PM
Hi all,
 I saw in here where there is a cap upgrade that you can do to the older power supplies to bring the current up to be able to use them with the newer
DBV-200 heads, what cap needs replacing, and what is the capacitance/voltage of the new cap to install?    :50-
Thanks,
Steve


Title: Re: DBV-145 Power Supply Cap upgrade for use with the DBV-200
Post by: jay on August 27, 2009, 11:34:22 PM
It would be wattage/amparage not voltage.

The votage is the same but the older supplies don't have enough current to drive the dbv reliably.

This of this like a 60w vs 100w light bulb.... both use 120volts but consume different amounts of power.

Sorry I have no knowlege about the mods....


Title: Re: DBV-145 Power Supply Cap upgrade for use with the DBV-200
Post by: Mdpokersupply on August 28, 2009, 07:53:45 AM
It would be wattage/amparage not voltage.

The votage is the same but the older supplies don't have enough current to drive the dbv reliably.

This of this like a 60w vs 100w light bulb.... both use 120volts but consume different amounts of power.

Sorry I have no knowlege about the mods....

Thanks for your information and I understand watts/amp vs. voltage, but the example was for what the capacitor is rated for such as a 200uF/25Volt.


Title: Re: DBV-145 Power Supply Cap upgrade for use with the DBV-200
Post by: brichter on August 29, 2009, 01:21:42 AM
Changing a cap isn't going to increase the rated power of the supply.


If you saw it in here. please link to the thread.


Title: Re: DBV-145 Power Supply Cap upgrade for use with the DBV-200
Post by: Op-Bell on August 29, 2009, 06:23:29 AM
I believe it's 68uF 200V, but it's better to upgrade to a 2A supply.


Title: Re: DBV-145 Power Supply Cap upgrade for use with the DBV-200
Post by: Mdpokersupply on August 29, 2009, 12:30:42 PM
I believe it's 68uF 200V, but it's better to upgrade to a 2A supply.

So, is the 68uF the one that comes out of the unit and is replaced, or is it what's put in the unit to replace one of the caps? If it's the latter, which cap should I be pulling out. I haven't opened the unit yet, so forgive my ignorance if this is a simple question.


Title: Re: DBV-145 Power Supply Cap upgrade for use with the DBV-200
Post by: Op-Bell on August 29, 2009, 07:48:40 PM
It's to replace the main input cap inside the PSU, the one that takes rectified 110V. It's not going to upgrade the PSU, exactly. What happens is over time, these big caps lose their essence as the electrolyte evaporates. Then when the PSU switch calls on them for a bit extra current, they haven't got it to give. Replacing the cap just restores conditions to as-new.

I still think while you're going to all that trouble, you should replace the PSU. You can get an off-the-shelf brick on Ebay for about $10, toss out the old burned-up Cosel board, and wire the brick in its place. You retain the little interface board in the PSU and all the original wiring. I should write up a tutorial on this.


Title: Re: DBV-145 Power Supply Cap upgrade for use with the DBV-200
Post by: brichter on August 29, 2009, 09:07:52 PM
Any need to vent the case like the DBV-200 power  supplies have?