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Post by vectrex360 on Dec 13, 2018 10:58:19 GMT -5
I just purchased another Vectrex and I am having a sound issue. I thought someone on the forum may have run into this problem. I’m thinking about just replacing the IC but I can’t remember the chip name. Anyway, I only get sound when the volume is turned almost all the way up. If I go all the way up it sounds a bit scratchy for a couple seconds and then it cuts out. A little below max volume and I can hear everything fine. Just below that and nothing. Any insight would be very helpful.
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Post by binarystar on Dec 13, 2018 11:13:23 GMT -5
I'd suspect the volume/power pot/switch. Try spraying some contact cleaner in it (with the Vectrex off) and rotate it around a bit in an attempt to clean the pot tracks of dirt.
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Post by VectorX on Dec 13, 2018 12:09:36 GMT -5
^Not Vectrex-related, but would spraying contact cleaner (or perhaps compressed air) help with a cracking sound with PC speakers I'm getting?
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Post by vectrex360 on Dec 13, 2018 22:43:06 GMT -5
Thanks for your help Chris. I hope to give this a try over the weekend.
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Post by binarystar on Dec 14, 2018 6:23:47 GMT -5
VectorX - yes, possibly. Often the crackling you get when adjusting volume is caused by dirty/worn resistance tracks in the volume potentiometer.
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