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Yamaha CS80

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RE: Repairing faulty AT sensor

2013-12-06 by <pyjamagroove@...>

Number 2 works rather well. I think we should not worry about 2 (or should we? they - 15 is in series).

Anyway, on number 2 RC is connected to -15 and probably to T3. RB is connected to T3 and R4 (to the second printed track from the left). But as I said - that circuit works. The glue is more like a silicon stuff to keep everything in place and protect the joints.


The circuit 1 is defective.R2 has very little overall resistance - around 0.7V as mentioned before.


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