In Reply to: Odd tuner behaviour in two Yamaha receivers. posted by Quadzilla on December 20, 2020 at 11:34:50:
Both those units have the same FM tuner section, with 3 gangs and 2 ceramic filters. They use the Yamaha CSL tuning circuit, which is found on other Yamaha tuners that came later.
Most likely, it needs one or both adjustments -
* detector balance (set to zero)
* IF offset
Both are detailed in the service manual.
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Follow Ups
- RE: Odd tuner behaviour in two Yamaha receivers. - BFitz 09:40:31 12/23/20 (3)
- RE: Odd tuner behaviour in two Yamaha receivers. - Quadzilla 05:59:25 12/24/20 (2)
- RE: Odd tuner behaviour in two Yamaha receivers. - Rod M 20:06:07 12/27/20 (1)
- RE: Odd tuner behaviour in two Yamaha receivers. - Quadzilla 06:27:44 12/28/20 (0)