02-19-2014, 09:02 PM
Thanks, all.
I should mention that this schematic was taken from a Fisher TX-100 amplifier and revised by me to match the audio output circuitry of the 4400, since I do not have a 4400 schematic nor do I know where I might find one. (Credit goes to Larry Derouin of AudioKarma for pointing out the similarity between the TX-100 audio output section and the 4400.) So, the printed voltages are for the TX-100 and I do not know what the factory voltages were for the 4400.
I'll check C14 and C26 tomorrow, or sometime this weekend.
My plan is to replace all of the electrolytics in this set, but I just wanted to hear the right channel match the left first, before I give it a complete rebuild.
Did I mention that it has been more than a decade, maybe two, since I did any work on solid-state equipment?
I should mention that this schematic was taken from a Fisher TX-100 amplifier and revised by me to match the audio output circuitry of the 4400, since I do not have a 4400 schematic nor do I know where I might find one. (Credit goes to Larry Derouin of AudioKarma for pointing out the similarity between the TX-100 audio output section and the 4400.) So, the printed voltages are for the TX-100 and I do not know what the factory voltages were for the 4400.
I'll check C14 and C26 tomorrow, or sometime this weekend.
My plan is to replace all of the electrolytics in this set, but I just wanted to hear the right channel match the left first, before I give it a complete rebuild.
Did I mention that it has been more than a decade, maybe two, since I did any work on solid-state equipment?
--
Ron Ramirez
Ferdinand IN
