[Kenwood] Kenwood 820S

[dogaen]

Hi. I have a Kw 820S which has an irregular digital display and oscillator frequency shift.  Can anyone give me some guidance as to where to look to rectify this. Please.
Thanks 73's 
ZL1MN  (Don)  QTH is Dargaville NZ
-------------- next part --------------
Internal Virus Database is out-of-date.
Checked by AVG Anti-Virus.
Version: 7.0.298 / Virus Database: 265.6.3 - Release Date: 21/12/2004