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Graupner/JR interchange

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Old 10-01-2003, 03:57 PM
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krizovdp
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Default Graupner/JR interchange

Danny, I picked up an inexpensive Graupner MC-14. Is is a simple matter of buying a 72Mhz crystal and receiver from you to make it operate in the US?
Old 10-02-2003, 11:18 AM
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dsnyder
 
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Default RE: Graupner/JR interchange

Simply changing the crystal will not work. You will need either a new RF deck in the system, or if the system uses a removable module, a new module installed on 72 Mhz. I'm not sure what system the MC-14 uses, so I do not know if we have a module that would work in the system, or if it does not use a module, if we would have an RF deck that would work.
Old 10-02-2003, 04:17 PM
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wolf123
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Default RE: Graupner/JR interchange

hi Krizovdp
no mc-14 have fixed tx module on inside and according to graupner it make only 35-40-41 Mhz.It's possible change frequency (35-40-41) only in a Graupner service centre because they don't sell it.

regards Mirco
Old 10-30-2003, 10:02 AM
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Default RE: Graupner/JR interchange

Danny,
I contacted you earlier about a freq change for a MC-14 Graupner radio. It arrived awhile ago and the back opens easily. Inside is a snap out RF board with a removable crystal in it. The RF board has one wire going to the antenna and a four(I think ) ribbon cable plugged in. Would you mind looking at the radio to see if you could hook up a JR RF board? It seems to have LOTS of room in the case if the physical form is not right.
Thanks in advance,
Dave
Old 10-30-2003, 10:48 AM
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dsnyder
 
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Default RE: Graupner/JR interchange

We could look at it and see if we have one that is compatible, but I can make no guarantees that we will.
Old 10-30-2003, 02:05 PM
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Default RE: Graupner/JR interchange

Thanks! Where do I send it and do you need some $$ upfront to look at it?
Dave
Old 10-31-2003, 11:24 AM
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dsnyder
 
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Default RE: Graupner/JR interchange

Send it to this address:

Horizon Service Center
Attn: JR Service
4105 Fieldstone Rd
Champaign IL 61822

You do not need to send any money up front. You can either fill out this form and include with your package, http://horizon.hobbyshopnow.com/medi...rchecklist.pdf , or include a detailed letter, with your name, address, and daytime contact information.

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