Looking at the specs and service manual it appears the power supply of this thing is less robust than an SX1250 yet it is rated at 250w/channel. Is the 1250 really that overbuilt?Tons of Pioneer power. Your going to like it, after you put some magic back in it.
Matt's restoration thread is about the only info you'll need.
Thanks! What do you think about leaving the sa798s in as long as they're working?Congrats..
Best of luck going forward.
They will go bad/who knows what their performance is now. New silicon, looks like they're replaced by 2 KSA992's. HFE match, glue/heatshrink them together or something and you'll be golden.Thanks! What do you think about leaving the sa798s in as long as they're working?
I have received some matched pairs from a very generous fellow AKer.They will go bad/who knows what their performance is now. New silicon, looks like they're replaced by 2 KSA992's. HFE match, glue/heatshrink them together or something and you'll be golden.
I don't know. Let me read up on it and I'll get back to you. Thanks for the heads upCheck this thread out if you haven't already.
http://audiokarma.org/forums/index.php?threads/pioneer-spec-2-restoration-help.148523/page-6
The thread also discusses the R1 and R2 relay replacement options.
If you haven't read the correct C4 cap placement EW noticed. Read this.
http://audiokarma.org/forums/index.php?threads/spec-2-errorr.677774/
On those notes:
One of the final amp adjustments require setting the limiters.
Are you set up for adjusting the limiters?
EBC?KSA733C is the same pin out as 2SA733
KSA733C
Thanks. That means I have them in right. So what does yta denote?KSA733C
C denotes center collector so its ECB