http://www.hparchive.com/Bench_Briefs/HP-Bench-Briefs-1980-07-08.pdf bulletin from hp says the product may have had incorrect line fuse if you want to fix it take the cover off and check some basics many of the hp test equipment of this vintage needed power supply caps
--- In [email protected], petedcur...@... wrote: > > Hi, > > I saw someone had used a HP3551A TIMS to set up repeater audio levels. I > have a used HP3551A also, but it recently stopped working. Wonder if anyone > had schematics? The manual I found online had everything but no schematics. > A good high resolution Jpeg photo of the schematics would be greatly > appreciated. > > Peter > > Ex. G8DCB. Now resident in FL.USA. >
