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Identifying pinning on hybrid audio output IC
Before trying to find a/pair replacement for a
dual 50W power amp. I know the + and - rails, inputs and outputs pins of the two amps but can anyone suggest the fuction of the remaining pins ? compensation,bypass etc. A) via 150K to one side of the 53V ac secondary of the mains transformer. B) connected via 47 ohm to a -15 rail C) connected via 50V,10uF to this 47 ohm and then -15V rail D) via 6V,33uF to ground DC voltages at these pins A) 0V B) - 14.3 C) -13.2 D -4.3V electronic hints and repair briefs , schematics/manuals list on http://homepages.tcp.co.uk/~diverse |
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