[Drake] Drake R-4B Schematic

[Garey Barrell]

Guillermo -

What is the s/n of your receiver??   I have the correct schematic on my CD.  There were three versions.

73, Garey - K4OAH
Glen Allen, VA

Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line
and TR-4/C Service Supplement CDs
<www.k4oah.com>


GGLL wrote:
> 	Hello, I'm troubleshooting an R-4B and am searching a later SN
> schematic, which has OB2 regulator voltage included (V11) and a PCB
> board not included in the first models.
> 	So far, I've had no luck yet, but found and downloaded only two
> different copies but are for low SN rcvrs.
>
> Any scan or pdf would be helpful.
>
> Thanks in advance
>
> Regards
> Guillermo - LU8EYW.
>