Yamaha Pss 460, no sound! Amp La4500 replaced, but nothing!

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Yamaha Pss 460, no sound! Amp La4500 replaced, but nothing!

SynthWizard Offline

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12-23-2022, 06:31 PM

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Yamaha Pss 460, no sound! Amp La4500 replaced, but nothing!

Ah, that’s significant info…. You need to check the internal power supply and distribution. Besides a main input fuse (I’m assuming this runs off a 12vdc wall wart power supply), there may be more. There could be a 5v supply, etc. So you nee ...

https://electro-music.com/forum/viewtopi...018#453018

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