Hi Joe, Actually those pins on the bottom of the board look like individual socket pins. That is the "801" amp may very well be a plugin type. That is the only reason I can see for tie wrap. I would leave it alone, however, as I bet those "801" amps are probably NON-existent. It would be a shame if you got carried away and something went wrong. Bill....WB6BNQ Joseph Gray wrote: >Of course, before powering up the VS 330, I had to remove the covers and >take a look inside. Everything looked intact and reasonably clean. > >You can tell that someone re-painted the top cover. It is glossy and >smooth. The bottom cover is matte finish and textured. > >I did see one oddity on the circuit board. There is a broken nylon wire tie >attached to the underside of the main circuit board. You can see it in the >first picture here: > >https://dl.dropboxusercontent.com/u/19599147/VS%20330%20Board%20-%20Bottom.jpg > >Here is a picture of the top side. You can see that the holes straddle the >801 amplifier module. > >https://dl.dropboxusercontent.com/u/19599147/VS%20330%20Board%20-%20Top.jpg > >You might think that perhaps the nylon tie was there to hold the amplifier >module onto the board, but the module's pins are soldered. The way the tie >is hanging, it looks to me that perhaps something was attached to the >bottom side of the board, underneath the amplifier module. > >I'll have to email Krohn-Hite and request a manual. In the mean time, any >guesses? > >Also, I am normally inclined to replace old electrolytic caps. Opinions on >whether I should or shouldn't? > >Joe Gray >W5JG >_______________________________________________ >volt-nuts mailing list -- volt-nuts@febo.com >To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts >and follow the instructions there. > > >