My RSX-972 no longer retains the programmed settings if I switch off the unit at the power button. It used to retain all the settings previously. Is there a battery internally that I need to replace, or is the problem something else?
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Re: Losing Preset information
It will need a supercap or back up battery replaced. Do you know what these look like? Will be in proximity to central controller chip(on the front panel alot of the time. Looking for a cct to tell you exactly where.. back to you soon.
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our company has always said anything can be fixed its only the price that varys i think you have a fault in the switching mech as the unit is 25yrs old they didnt use digital switching back then i think your unit has the old spring loaded power button the problem is that the small spring behind the latch comes loose after many years and needs to be set correctly so take it to a shop and see if they know about spring switch resetting to see if this is deffinitly the problem push the button in hard if the power comes on but goes of as you realease it theres ya fault
I have a SHT 12 and remote, you can send me your remote to program if you like. Set up a generic email and post the address here (so you don't get spam at yr regular address), and post it here so I can contact you. :)
In the event of a power outage, the RV-8 will display a BROWN
OUT!! PRESS STANDBY message. To turn the unit on, use the
STANDBY button. For more information, see “POWER
MANAGEMENT” on page 3-3....
POWER MANAGEMENT ON, OFF
"Setup" >> "Power Management"
Opens the POWER MANAGEMENT menu, which is used to automatically
put the RV-8 into standby mode during brownouts.
When set to ON, the RV-8 detects low voltage levels or a momentary
loss of power and puts the device in standby mode. In the event of a
power brown out, the RV-8 will display a BROWN OUT!! PRESS
STANDBY message. To turn the unit back on, use the front panel
When set to OFF, the RV-8 will attempt to function during a
momentary power loss, however software settings may become
corrupt and need to be reset.
When the RV-8 is in standby mode, pressing the button turns the
unit on and activates all zones that were active in the previous
The RV-8 does not power on.
1. Make sure the rear-panel power switch is set to the | (“on”)
2. Attempt to power on the RV-8 with the front-panel Standby button and remote control On button.
3. Examine the power cord to ensure a good connection between
the rear-panel AC input connector and the wall outlet.
4. Check the electrical circuit and breaker.
As that unit is well over 5+ years old, I seriously doubt the part is available any longer. I doubt that you will even find a used part, and even if you do, it will probably be as bad as your switch. As I have worked on audio for over40 years, I would use LPS 2. It is a lubricant. Do not try this with WD40 or similar. Just spray the LPS on the wafers, or through any open holes in the switch. You just need a little. If you just squeeze the button, you will see just a little bit of foam. That is all you need. No more; no less. Rotate the switch from from left to right and back again multiple times. Try that. BTW, no manufacture uses these mechanical switches any more.The controls are now called Rotary Encoders, which basically are inputs to a display microprocessor IC(a computer within the new product) which in turn controls the inputs of a switching IC. It's the same as your old switch, just electronic, and much more complicated. If you need more information, or would like to inquire about repairing your unit, please visit my website at audioserviceclinic.com. You may contact me there. Thank you.
First, perform a visual inspection at the back of the unit and verify that speaker wires are not loose or shorting out with another connection. Find the impedance selector switch and verify that it is set to the proper position according to your speakers' impedance. It has to be all the way up or down, never in the middle. (Warning: Do not move the impedance selector while the receiver is powered. Make sure power is OFF on in standby, otherwise receiver will be damaged). Try power ON.
If these actions do not cure the problem, disconnect all speakers and try power ON again. If the unit powers on, it is possible that one or more of your speakers or wires are damaged. If none of the above actions fixes the problem, it is very possible that the receiver's internal circuitry is damaged.