[ICOM] Bad TX audio on 775

[Jim M.]

Are you using an "amplified" microphone? - If so it could be overdriving the 
input.


----- Original Message ----- 
From: "Igor Sokolov" <ua9cdc at r66.ru>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Saturday, October 14, 2006 6:01 AM
Subject: [ICOM] Bad TX audio on 775


> Posting this for a friend:
> His 775 got some distorted audio on TX. Careful tracing led  him to 
> suspect
> IC8 M5282FP audio amp.
> Service manual says pin 2 of the IC should be at 3.8V while in practice it
> is only 2.6V.
> Does anybody know where  I can get data sheet on the IC?  Where one can 
> get
> this IC from? Do you thing it is the IC or  rather some parts (resistors,
> capacitors) associated with this IC?
> Any help would be appreciated.
>
> 73, Igor UA9CDC
>
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