![]() I see T16 connection between 1&2, which are the preamp out, but don't know enough to explain how this transistor and gate affects the rest of the circuit and how you are able to deduce that this is the "key" component that we need to ease explain if it can be done to a novice.Ĭlick to expand.I see the circuit building around T13, T14, T15, and R41 measures 4.7 Ohms, so that's good.THEN, while ![]() Just as I finished I saw your thread and was happy to see you again, and also heading for the same point.I've found T16 in the schematic and on the board.and the middle contact is what I think you want to test.is that correct.? With amp powered up and checking voltage from that point to any gnd point on the amp.is that correct also.before I proceed, so that we are on the same page.and any input, or all counterclockwise controls. ![]() I have another VS65R to compare, and I found the ailing amp headphone to be much, much lower.distorted and weak.some crackling and volume abnormalities while adjusting the clean volume, but never at full power like the good one. You gave me some teaching and success with a Fender amp a long while back.I'm still pretty green, but before I got your post I was curious of the same thing about actual headphone volume.
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