Sometimes you need to do a hard reset of the microprocessor on the Yamaha's of that era. I'd try that first as it only takes a few seconds to do.
It should be described in the service manual.
It should be described in the service manual.
Yamaha Natural Sound RX-V1070 Repair
You might also check on back of the unit and make sure the jumpers for the front RCA's are there and installed correctly. One jumper each for front L & R, connecting "in" to "out". Look at lower right corner of this picture, http://hifi-leipzig.de/ebaybilder/8938.jpg . |