Just ordered the Service Manual per Eric's information (thank you Eric) and the part number works mucho fine. The price today is $14.40 per copy plus any tax and ground shipping.
cheers, skipp > "Eric Lemmon" <[EMAIL PROTECTED]> wrote: > > Mark, > > You should order a copy of the R1225 service manual 6880905Z53 from Motorola > Parts while it is still in print. It costs about $13, less than 1/3 the > cost to make a color copy of it. > > The receiver front end has back-to-back diodes to provide some protection > against high voltages, but a lightning strike or a misconnection to a > transmitter can certainly fry them. > > 73, Eric Lemmon WB6FLY > > > -----Original Message----- > From: [email protected] > [mailto:[EMAIL PROTECTED] On Behalf Of n9wys > Sent: Thursday, December 27, 2007 2:12 PM > To: [email protected] > Subject: [Repeater-Builder] R1225 repeater > > A while back I posted an inquiry regarding an R1225 repeater I was looking > at for another. it was deaf as a fence post. > > Well, today I had a chance to finally open this thing up and get a look-see. > (This took so long because I've been "ridding myself" of a number of kidney > stones.) Anyway, the front end of the receiver is burnt to a crisp - my > best guess is that it got hit with strong incoming RF that was not blocked > by a "mis-tuned" duplexer. or the owner hooked the duplexer up backward. (I > think this was discussed previously.) > > Anyway, in order to get this thing going, I am in need of the receive board > layout diagram and a parts list. With the radio oriented so the RX antenna > connection is at the lower left, the components that are toasted are just > "above" the antenna connection. (They all look like SMC capacitors, but > without the board layout and parts list, I can't be certain - nor can I > determine proper replacement values.) > > > > If anyone can help, I'd be much obliged! > > > > Thanks in advance! > > Mark - N9WYS >

