Modifications for the Standard C-160
19-07-1998 C160/168 for frequency spread and AM mode
When you buy your C-160 you can only Rx-Tx strictly between 144-146 MHz
and only FM. Frequency shift is also blocked (why?). At least European
models are like that.
To enable full features for your RIG:
-
57-392 MHz receive AM/FM (with some gaps 98-100, 177-210)
-
122-177 MHz transmit FM
-
repeater using any shift
you have to desolder an SMD transistor and resolder it as a diode.
Handle with care because the SMD is small and the operation is rather
delicate.
Below is a diagram to do this (I hope it wouldn't be a problem to
understand it but this medium is fairly restrictive for graphics).
/=== +----+ +----+
+ + /--- +-||-+ +-||-+
| +---+ +---+ | | || ||
/-+-+---+----+---+----+---+--- +-++----------------++-+
| | Before -> | A Z |
| CONTROL UNIT | +----------++----------+
| | ||
| | +-||-+
| | +----+
| |||||||||| |
--- -++++++++++- |
| -+ +- :--: |
| -+ +- :--: | +----+ +----+
| -++++++++++- :-: | +-\-+ +----+
| |||||||||| | | | \ /
| :|-|: :-: | \ \
| this --> :-|-: | \ / Z /
| transistor | After -> \ /
| | / A \
| /--------+ / \
| |DC JACK | / +-\-+
| --------+ +----+
-------------------------/
You'll have to reset your RIG after the modification
( F + 0, F + 3, F + 0, F + 1 )
New available functions:
-
Toggle AM/FM mode: F + 0, F + 2
-
Toggle input frequency starting with 100/1 MHz order: F + 0, F + 0, 8
I'm using a Standard C160 with this mod and I am very satisfied with.
73 de YO3GGH !