US1035 diode replacement - UK Vintage Radio Repair and Restoration Discussion Forum

vampyretim · 3rd Jul 2019, 2:48 pm

Hi all,

I'm trying to repair a Pioneer SA-940 which has been cooking up its output stage. I noticed that the output stage was oscillating which was due to bad solder joins, it also had a shorted transistor which I have replaced but there's also a diode US1035 needs replacing. I can't find one online anywhere and saw that an NTE519 was recommended as a replacement so I installed one but the thing still doesn't work.

Can anyone recommend a suitable replacement for a US1035?

Many thanks.

Herald1360 · 4th Jul 2019, 11:53 am

No, but to a large extent a diode is a diode, though in this case a fast one.

I suspect your problem may lie elsewhere (unless you've managed to install it backwards....?).

3rd Jul 2019, 2:48 pm	#1
vampyretim Heptode Join Date: Aug 2011 Location: Bristol, UK. Posts: 538	US1035 diode replacement Hi all, I'm trying to repair a Pioneer SA-940 which has been cooking up its output stage. I noticed that the output stage was oscillating which was due to bad solder joins, it also had a shorted transistor which I have replaced but there's also a diode US1035 needs replacing. I can't find one online anywhere and saw that an NTE519 was recommended as a replacement so I installed one but the thing still doesn't work. Can anyone recommend a suitable replacement for a US1035? Many thanks.

4th Jul 2019, 11:53 am	#2
Herald1360 Dekatron Join Date: Feb 2007 Location: Leominster, Herefordshire, UK. Posts: 16,535	Re: US1035 diode replacement No, but to a large extent a diode is a diode, though in this case a fast one. I suspect your problem may lie elsewhere (unless you've managed to install it backwards....?). __________________ ....__________ ....\|____\|\|__\|__\_____ .=.\| _---\__\|__\|_---_\|. .........O..Chris....O