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On Sun, 11 Dec 2011 10:43:39 -0600, D. Peter Maus wrote:
On 12/11/11 06:05 , Brenda Ann wrote: My SW8 has recently developed an audio issue. It plays for a few seconds to a minute or so, then the audio just suddenly dies. I can still get audio out the line out jack, but nothing from the speaker or headphones. I strongly suspect the LA4555 output IC, but I would love to be able to do some signal tracing to make sure the problem doesn't lie further up the audio chain. Does anyone have, or know where I can find, a schematic or service manual for the SW8? I got mine from RL Drake. But that was years ago. BAMA has an archive of manuals and schematics, though. Check them out. You can find the pinouts of the active devices and look for gain IN v OUT. Do you have a scope? A Hi-Z input amplified speaker? |
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