Hi Martin, here are the pinouts for the two chips. You can find pinouts for standard logic chips and a few more at http://www.chipdir.nl/giicm/ e.g. for the 4051 it's http://www.chipdir.nl/giicm/4051.txt
4051 = MC14051: pin 1: in/out 4 pin 2: in/out 6 pin 3: out/in pin 4: in/out 7 pin 5: in/out 5 pin 6: inhibit pin 7: VEE pin 8: VSS
pin 9: Control Input C pin 10: Control Input B pin 11: Control Input A pin 12: in/out 3 pin 13: in/out 0 pin 14: in/out 1 pin 15: in/out 2 pin 16: VDD
LM1877: pin 1: bias pin 2: output 1 pin 3: gnd pin 4: gnd pin 5: gnd pin 6: input 1 pin 7: feedback 1
pin 8: feedback 2 pin 9: input 2 pin 10: gnd pin 11: gnd pin 12: gnd pin 13: output 2 pin 14: V+
best, Sukandar
-- Author: Sukandar Kartadinata INET: [EMAIL PROTECTED]
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