I have good signal at the line out, FX out and headphone out...so all input section is fine, but nothing coming out at the speaker wires...the headphone jack is a switching output, but cleaning and working it does nothing to even get a crackle out of the speaker wires....(the speaker has been tested independently)....is it true that the whole power amp stage and output transistors, etc. are all fine if the headphone has power, which should be shown in the enclosed attachment(schematic).....
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