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| | |-+  Aristocrat Viridian MK7 Power Supply		 0 Members and 2 Guests are viewing this topic. « previous next »
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Author Topic: Aristocrat Viridian MK7 Power Supply  (Read 16068 times)
elvisc
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elvisc


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« on: August 30, 2011, 11:47:31 AM »
Hi,

Anyone have an repair guide for power supply Aristocrat Viridian MK7-400-1.
Schematic with test point, component position, most common faults, etc.
Thanks.
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TZtech
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« Reply #1 on: August 30, 2011, 07:58:57 PM »
Have not yet had one go down but all info can be found here thanks to Randy Fromm and Ceronix
http://slot-tech.com/interesting_stuff/aristocrat/Aristocrat%20Power%20Supplies/MK7-400-1/
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superparts
**************** SLOT PARTS FOR SALE ****************
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« Reply #2 on: November 21, 2011, 01:46:24 PM »
I can get these PS. 
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i have parts for:

 Atronic Emotion:
Comm, backplane, Main, Multi media boards and button decks.

WMS BB N BB2
NXT2 & NXT CPUs, BB2 backplane, OLED decks.

Aristocrat Veridian
CPU, Backplane, powersupply.
PM Or EMAIL preferably:  superparts1@gmail.com
byron
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« Reply #3 on: January 30, 2012, 08:28:03 PM »
repair for mk5pfc power supply: relay does not close when powerad up,c66 is 1mfd/16v needs to change to 1mfd,25v
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GameTek USA
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« Reply #4 on: March 26, 2012, 05:22:06 PM »
Yes sir, I can help you with the MK5, the MK5PFC-II and the MK7 units. A repair guide is difficult as there are so many different faults for these.
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NickGyver
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« Reply #5 on: March 09, 2013, 04:10:04 AM »
Quote from: TZtech on August 30, 2011, 07:58:57 PM
Have not yet had one go down but all info can be found here thanks to Randy Fromm and Ceronix
http://slot-tech.com/interesting_stuff/aristocrat/Aristocrat%20Power%20Supplies/MK7-400-1/


Thanks for the link, it was a great help.
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ChizzleMonkey
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« Reply #6 on: March 15, 2013, 10:34:32 AM »
Just for some info for anyone who might purchase a Williams Bluebird 2 in the future, they used a similar type of power supply. Same problems. When they go bad almost all of them have a blown transistor(You can hear pieces of it rattling around inside of the power supply if you shake it a bit). There are two of them attached to the heat sink, One behind the other. Depending on which one pops will determine where to focus your component testing abilities. Replace both transistors every time you repair one of these. Also underneath the heat sink, between both of the transistors, there is a surface mount diode. If it isn't shorted already, it will be, so it too needs to be replaced. The whole heat sink needs to be removed as well as all of the components attached to it. That's just half of the fun though. Now you will need to inspect the control board, it's clearly marked. You will probably see a burnt IC or 2. If not, you will still need to test the components and replace them as needed. GOOD LUCK!
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Keep it simple.
Apache
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« Reply #7 on: April 05, 2013, 02:36:36 PM »
Thank you for diagrams: MK7 power supply
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