Here is a link to the [https://www.manualslib.com/download/1020444/Marantz-2252.html|service manual] for your receiver. To download the manual, click on the ''I'm not a robot'' checkbox, pass the verification test, click on the ''green'' Get Manual box to the right of the ticked ''I'm not a robot'' box, then either select the ''blue'' Download PDF link or the View in browser link ''above'' the ''Save to your collection'' box.
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Here is a link to the [https://www.manualslib.com/download/1020444/Marantz-2252.html|service manual] for your receiver. To view or to download the manual, click on the ''I'm not a robot'' checkbox, pass the verification test, click on the ''green'' Get Manual box to the right of the ticked ''I'm not a robot'' box, then either select the ''blue'' Download PDF link or the View in browser link ''above'' the ''Save to your collection'' box.
Here is an image taken from the manual which may give you a start as to where the AM section fits into the receiver circuitry
Here is a link to the [https://www.manualslib.com/download/1020444/Marantz-2252.html|service manual] for your receiver. To download the manual, click on the ''I'm not a robot'' checkbox, pass the verification test, click on the ''green'' Get Manual box to the right of the ticked ''I'm not a robot'' box, then either select the ''blue'' Download PDF link or the View in browser link ''above'' the ''Save to your collection'' box.
Here is an image taken from the manual which may give you a start as to where the AM section fits into the receiver circuitry
Hi @mgl99 ,
Here is a link to the [https://www.manualslib.com/download/1020444/Marantz-2252.html|service manual] for your receiver. To download the manual, click on the ''I'm not a robot'' checkbox, pass the verification test, click on the ''green'' Get Manual box to the right of the ticked ''I'm not a robot'' box, then either select the ''blue'' Download PDF link or the View in browser link ''above'' the ''Save to your collection'' box.
Here is an image taken from the manual which may give you a start as to where the AM section fits into the receiver circuitry
[image|1325965]
Click on image to enlarge for better viewing)
Hopefully this is of some help.