Jim, I see the TRN5074A shown in the "MSR-2000 Base and Repeater Control and Audio" manual, Motorola Manual Part # 68P81061E40-O. In my manual, the part number of the sub-section in that C&A manual which covers the "Tone Private-Line Encoder-Decoder Modules", models TRN5073A, TRN5074A and TRN5075A is: 68P81062E51-O .
I don't know if the manual is still available from Motorola, but that's the section you probably want to look for in your microfiche. I remember having a microfiche copy of the MSR-2000 manuals years ago, and I think the microfiche versions were seperate sets for RF and for Control & Audio, just like the separate bound service manuals. Larry -----Original Message----- From: WA2RJP Sent: Mar 2, 2010 7:48 PM To: [email protected] Subject: [Repeater-Builder] MSR2000 TRN5074 I have a TRN5074 PL board that I cannot find information on. I know it is a simplex board. If this is installed in a repeater is it used on the RX side or the TX side? Also, does anyone know of an economical way to convert microfiche to PDF or printed form? I have a manual on microfiche but no way to read it. tnx, Jim

