Switch off, then hold A and B speakers, then switch on and hold about 3 seconds. This is reset to factory defaults.
SOURCE: Denon AVR-1601
This is a very common problem with denon receivers of the 2001-2-3 vintage. On almost every one, there are 4 little "surge" resistors in the power supply. These werent quite robust enough from the factory and one day would just burn open for no reason. Well, actually there is a reason, the "surge" that happens every time you power the unit up eventually weakens the resistors and then they pop.
You need to take this to a denon service shop as I GUARANTEE they have seen this before. They need to check resistors in the picture, locarde above the **** rectangular connector. Resistors numbers R141, 142, 148, 149:
These resistors when measured, should be less than 10 ohms each. If they are more, then they are blown. If they are blown, then have the shop check the channels for blown output transistors. If the outputs are OK, then these resistors should be replaced with 1 ohm 1/2 watt metal -film flameproof resistors.
You might need to be prepared for a large bill, because the entire unit must come apart to replace the resistors, however, just checking them takes only about 10 minutes...
Good luck and don't try this at home.
Rob
SOURCE: Manul denon avr-1601 en castellano
http://www.usa.denon.com/ArchivedAVReceivers.asp?archivedModelSearch=true&clearCurrent=true&archivedCategory=AV&archivedModel=AVR-1601&imageField.x=15&imageField.y=13
Espagnol as well ...I think
SOURCE: avr receiver
I had same problem with my denon avr 1601.I have fixed it by myself by favour of Haapy Yogy. Thank you.
SOURCE: denon avr -1709 how
SWITCH OFF THE UNIT..PUSH AND HOLD DOWN BOTH SPEAKER A AND SPEAKER B BUTTON WHILE HOLDING DOWN BUTTONS TURN ON MAIN POWER THE DISPLAY WILL FLASH WAIT FOR 3 FLASHES THEN RELEASE. THIS WILL RETURN EVERYTHING BACK TO RFACTORY DEFAULT
SOURCE: i need a new rc-875
If it's just malfunctioing read this procedure to possibly fix the remote:
http://remotes.com/remotes/servlet/rs?a=Display&contents=help_deadremote&uuid=A12963989782821
They also sell replacement remotes.
or check eBay: search for "(model of the device or the remote) remotes", check the 'include description' box. Usually cheaper than the vendors.
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