Copper Talk » Ask The Tech » Radios BASE » Power Mod(s) for a TRC-490? « Previous Next »

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Rob_Usa
Posted on Friday, January 03, 2003 - 7:35 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
Are there any power mods for a TRC-490? Which caps/coils to tune? Transistor(s) to replace?
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Rumblefish
Posted on Tuesday, January 07, 2003 - 9:48 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
vr 6 for am power
vr 7 for am power
you can cut r104 for more modulation
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Tech808
Posted on Tuesday, January 07, 2003 - 10:00 pm:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
Rob Usa,

VR ~6 FOR AM POWER

I think Rumblefish meant ~ VR7 for SSB POWER

Lon
Tech808
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Funtimebob
Posted on Thursday, January 09, 2003 - 1:13 am:   Edit Post Delete Post    Move Post (Moderator/Admin Only)
or remove tr32

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