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Antique Radio Technical Forum
Grunow 660 Chasis 6C Schematic

Posted by Steve Bento on 03/09/2009 11:17

Hi all, I got this radio from an antique dealer who had bought a whole barnfull of radios from someone. When I took it apart, I found that someone had been trying to work on it. In fact they were doing a pretty bad job since all the wires from the volume pot were disconnected and reconnected to the tone control. I'm assuming the guy who was working on it was a radio repairman who got mixed up about where to reconnect the wires once he received the new parts he wanted to put in the radio and probably didn't have a schematic. So anyway, I'm going through the process of trying to double check all the connections in the radio but the 2 schematics listed here on this site don't totally match up with the radio I have. There are a lot of parts (resistors and capacitors) missing from the radio that are shown in the schematics. I also have grounds where there shouldn't be grounds! The radio looks complete, it doesn't look like it's been raided for parts. Could I have earlier versions of the schematic?? Does anyone have any different schematics than what are posted here? I know that many changes could have been made to the design over the course of the radio's production. I'd like to make sure all the wiring is correct before I try and plug it in. Any help is appreciated...Thanks


Grunow 660 Chasis 6C Schematic 
Steve Bento 03/09/2009 11:17 
Brett 03/09/2009 19:01 
JF 03/10/2009 09:30 
JF 03/10/2009 09:17 
Steve Bento 03/10/2009 10:13 
JF 03/10/2009 10:39 
Steve Bento 03/11/2009 09:32 
Steve Bento 03/27/2009 10:09 
Steve Bento 03/27/2009 10:11 
Edd 03/28/2009 14:45 
Steve Bento 03/30/2009 10:03 

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