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Receiver battery backup via capacitor?
Hi I have a Marantz AV9000 DD preamp and whenever the power is
removed, all settings are lost and back to factory defaults. I have the service manual and there is no battery backup. However, there is a 1F 15v capacitor which seems to be involved in the backup function. My question is would such a capacitor fail after about 4 years? And does anyone know where I could find one? Thanks |
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