HP 5890 Series II

APPX A-17
MPC PCB
J1.1 BD0
J1.2 BD1
J1.3 BD2
J1.4 BD3
J1.5 BD4
J1.6 BD5
J1.7 BD6
J1.8 BD7
J1.9 *EXT_OUT3 ------------------| Decode to give
J1.10 A(5) | addresses 3,35,67,99
J1.11 A(6) | for Input or Output
J1.12 *EXT_IN3 -------------------|
J1.13 +5V
J1.14 +5V
J1.15 DGND ( for digital circuits)
J1.16 DGND ( for digital circuits)
J1.17 D240 ( 240 Hz square wave)
J1.18 POP ( power-on-pulse)
J1.19 SGND ( for switching or analog circuits)
J1.20 SGND ( for switching or analog circuits)
J1.21 +24V
J1.22 +24V
J1.23 -24VDC
J1.24 -24VDC
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