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 Post subject: Sony CFS-300
PostPosted: May Fri 03, 2019 1:20 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 409
Location: Manchester, NH
Hi Group - I have one of these on the bench and have found R310 burned out to the point I can not read the color code. does anyone have a schematic or know the value for this resistor ?

Thanks

Griz


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 Post subject: Re: Sony CFS-300
PostPosted: May Fri 03, 2019 1:42 pm 
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Joined: Jun Fri 15, 2012 2:22 pm
Posts: 128
Location: Wausau, WI
It appears to be 10 ohm 1/4 watt. Free manual download here.

https://www.manualslib.com/manual/11995 ... w300s.html


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 Post subject: Re: Sony CFS-300
PostPosted: May Fri 03, 2019 2:59 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 409
Location: Manchester, NH
Thanks for the link but that is for a CFS-KW300 - unfortunately not the same board - no KW in my model #


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 Post subject: Re: Sony CFS-300
PostPosted: May Fri 03, 2019 3:32 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 18551
Location: Albuquerque, NM 87123
Post a request on hifiengine for the service manual.


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 Post subject: Re: Sony CFS-300
PostPosted: May Fri 03, 2019 3:50 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Manchester, NH
good suggestion -- thanks


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 Post subject: Re: Sony CFS-300
PostPosted: May Wed 08, 2019 12:22 am 
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Joined: Jan Tue 31, 2012 1:55 am
Posts: 10175
Location: Mountains of Mourne. Ireland.
Is this your circuit-board?
Image
R310 carbon 1K 5% 1/6W

Greg.


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 Post subject: Re: Sony CFS-300
PostPosted: May Wed 08, 2019 4:56 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 409
Location: Manchester, NH
Thanks anyway but no --


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