Scored a Vader 2600 in pretty good condition. I'm going to do all the recommended cap replacements all around and have a kit from console5.com on the way including a 5v regulator. I just remembered I have some 2200uf 16v Kemet Polymer caps that are very small and should be able to mount vertically. I'm considering using it as long as the polymer won't cause problems where an electrolytic axial one was before. Is this okay to do?
Polymer bulk cap in an Atari 2600?
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Polymer bulk cap in an Atari 2600?
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Ryzen 3600x
16GB Patriot 3600MHz
MSI B450 Gaming Plus
MSI Air Boost Vega 56
Acer 32" 1440P Freesync
Rosewill Capstone 750W
--------------------------------------------------------------
Hakko FX-888D Station
FX-8802 Iron
MG Chem .8mm 63/37 RA 2.2%Tags: None -
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Re: Polymer bulk cap in an Atari 2600?
Oriiginal is a linear power supply, 9VDC 500mA wall wart feeding 2,200uF 16V axial 7805 voltage regulator.
IMHO a polymer cap is overkill ESR=10mohm and not needed for the mains frequency ripple. The 7805 isn't affected by the low ESR, so it's OK to put one in if you want. Power switch on surge will be big and sometimes that causes destructive spikes.
Mains sags would make the game crash sometimes. But the (original linear) wall wart also has a big filter cap inside. Without that, I would upsize the 2,200uF cap to whatever fits. Coleco had 10,000uF in their psu.
I'm not sure if people are using SMPS wall adapters with 2600 and their tons of RF noise.Comment
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Re: Polymer bulk cap in an Atari 2600?
Oriiginal is a linear power supply, 9VDC 500mA wall wart feeding 2,200uF 16V axial 7805 voltage regulator.
IMHO a polymer cap is overkill ESR=10mohm and not needed for the mains frequency ripple. The 7805 isn't affected by the low ESR, so it's OK to put one in if you want. Power switch on surge will be big and sometimes that causes destructive spikes.
Mains sags would make the game crash sometimes. But the (original linear) wall wart also has a big filter cap inside. Without that, I would upsize the 2,200uF cap to whatever fits. Coleco had 10,000uF in their psu.
I'm not sure if people are using SMPS wall adapters with 2600 and their tons of RF noise.--------------------------------------------------------------
Ryzen 3600x
16GB Patriot 3600MHz
MSI B450 Gaming Plus
MSI Air Boost Vega 56
Acer 32" 1440P Freesync
Rosewill Capstone 750W
--------------------------------------------------------------
Hakko FX-888D Station
FX-8802 Iron
MG Chem .8mm 63/37 RA 2.2%Comment
-
--------------------------------------------------------------
Ryzen 3600x
16GB Patriot 3600MHz
MSI B450 Gaming Plus
MSI Air Boost Vega 56
Acer 32" 1440P Freesync
Rosewill Capstone 750W
--------------------------------------------------------------
Hakko FX-888D Station
FX-8802 Iron
MG Chem .8mm 63/37 RA 2.2%Comment
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