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John's Arcade Forum - Classic Arcade and Pinball Collecting and Restoring Discussion Forum - RETRO MAME - Nintendo Vs Forum > Tech and Marketplace > I need help with my game! - Technical Discussion (Moderator: AgentX) > Power supply question
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RetroArcade
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« on: September 16, 2013, 12:22:00 pm »
I'm working on a street fighter cabinet and power keeps fluctuating so i thinking its bad power supply, so i went to change it out and started with moving them over one at a time, +5vDC then i moved onto +5v RTN but the new one power supply did not have a RTN, where can i place this?
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yocke
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« Reply #1 on: September 16, 2013, 07:04:44 pm »
+5v RTN, is the +5v Return, just put that on the joined ground connection (GND), and it will be fine...!!
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RetroArcade
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« Reply #2 on: September 17, 2013, 09:28:43 pm »
Do you think it will be alright to use a 15 amp power supply instead of the 20amp. The +5VDC 20amp was on the old power supply and the new i got was says +5VDC 15amp.
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arcade renaissance
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« Reply #3 on: September 19, 2013, 04:05:13 am »
Quote from: RetroArcade on September 17, 2013, 09:28:43 pm
Do you think it will be alright to use a 15 amp power supply instead of the 20amp. The +5VDC 20amp was on the old power supply and the new i got was says +5VDC 15amp.
the amps are basically what drives the power throughout the games board and wiring. 15amp on +5V should be more than enough.
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