Seem to remember these floating around the internet a few years back and thought I had saved one, but I can't find it.
Anyone have a copy to share?
thank you
ashman5
Anyone have a copy to share?
thank you
ashman5
I had a couple filter caps swell up (one 470uF-35V and one 10uF). The 470uF caused a direct short on the AC-DC conversion that put a lot of current through a 220 Ohm resistor (which smoked). This is attached to a 13V Zener the is used in a class B pre-amp. All components have been replaced, tested! I now get get some audio but it's low and sounds distorted much like a blown subwoofer. I have not fed it a constant signal and used a scope to verify what is happening. I have about 2hr a week to actual work on hobbies.
I have been searching for a schematic for 7 months for this unit. I ended up reverse engineering the driver-preamp circuit as that is what failed in my scenario. If you need circuit info for this section, I can import the image. This includes only the section related to the 2 wires labeled "18 VAC BLU" that come from the Power Supply to the Amplifier board.
I have been searching for a schematic for 7 months for this unit. I ended up reverse engineering the driver-preamp circuit as that is what failed in my scenario. If you need circuit info for this section, I can import the image. This includes only the section related to the 2 wires labeled "18 VAC BLU" that come from the Power Supply to the Amplifier board.
I have some problems with my sa1000. If anyone has any kind of schematic…please post it here…..or pm me. Grateful….thanks.👍🍻