Question about Sony STR-DE445 Receiver
Your unit should hold settings for at least a week with the power off. Inside the unit is a backup power supply capacitor that maintains the preset memory. This part will be faulty and require replacement. It is not a user serviceable part, so if you wish to fix the problem, you will need to take it to a sony repair guy.
Posted on Jul 04, 2008
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Resetting the system
Use this procedure to reset all the receiver's settings to the factory default. Use the front panel
controls to do this. Set MULTI-ZONE to OFF.
• Disconnect the iPod and USB memory device from the receiver beforehand.
1 Switch the receiver into standby.
2 While holding down ENTER on the front panel, press ?µ STANDBY/ON.
The display shows RESET < NO >.
3 Select 'RESET' using PRESET +/-, then press ENTER on the front panel.
The display shows RESET? OK.
4 Press ENTER to confirm.
OK appears in the display to indicate that the receiver has been reset to the factory default settings.
• Note that all settings will be saved, even if the receiver is unplugged.
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