[ICOM] Icom IC-471A Service Manual

[Gary Fiber]

Rich,

Does your UT-15 have a secondary Tone encoder board installed onto it?
The UT-15 was an interface board, it alone would not generate a CTCSS 
tone. Icom choose to use a communications specialists board that 
mounted onto the UT-15 and that generated the CTCSS tones. The UT-15 
provided the interface between the Comm-spec tone board and IC-471A.

I don't know why Icom never produced a service manual,for the 471A. I 
spent 11 years there and never saw one.

Gary K8IZ


Gary K8IZ

At 11:42 PM 2/21/2009, you wrote:
>Thanks for the posts regarding my request for a Service Manual for
>the IC-471A...
>
>Replies indicate that Icom never compiled or issued one...this is
>strange...I know
>that the 271 and 471 share similar boards such as logic, etc. thus the Service
>Manual for the 271 will apply in many cases.
>
>My problem with the newly acquired IC-471A is a lack of PL...TONE LED
>comes on...
>but that's it...I then tried (installed) a UT-15 encode/decode
>board..same results...
>at present I am tracing wires...any help appreciated
>
>73, Rich W6HI
>
>
>----
>Your Moderator: Dick Flanagan K7VC: icom-owner at mailman.qth.net
>Icom Users Net: Sundays, 1700Z, 14.316 MHz
>Icom FAQ: http://www.qsl.net/icom/
>To support QSL/QTH: http://www.qsl.net/donate.html

Gary Fiber K8IZ
GROL PG-19-6691
Washington State Resident

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.qth.net/pipermail/icom/attachments/20090222/ccd500ef/attachment.html