REFERENCE DESIGNATIONS W I T H I N T H I SASSPlBLY ARE ABBREVIATED. ADDA S S W L Y NUMBER TO ABBREVIATIONFOR W L E T E DESCRIPTION.UNLESS OTHERWISE INDICATED:RESISTANCE I N O M ;CAPACITANCE I N MICROFARADS:INDUCTANCE I N MICRPHENRIES.ASTERISK ( W ) INDICATES FACTORYSELECTED COMPONENT. AVERAGE VALUESHOWN.A T I L D E ( " - " ) PRECEDING A SIGNALINDICATES A NEGATIVE-TRUE SIGNAL.C I R C U I T NOTES:Q3BOTTOM VIEW1 / 4 OF U l B ( U 1 0 C ) I S ON SHEET 3INSTRUMENT C M N .+DDIGITAL C I R C U I T RETURN.R 2 7 1 THROUGH R 2 8 9 ARE ZERO O WRESISTORS (JUMPER WIRES).TABLE Of ACTIVE1 9 0 2 - 0 9 3 9CR10. CR2921 8 5 4 - 0 2 4 61 8 2 0 - 3 1 2 11 8 2 0 - 2 0 5 8U 8 1 8 2 0 - 1 4 2 5US 1 8 2 0 - 3 2 7 0U 1 0 1 8 2 0 - 3 4 7 9U 3 1 1 8 2 0 - 3 1 4 5U Z 9 2 1 8 2 6 - 1 3 3 8W G PART NO.l N 5 9 0 8I N 4 1 5 0SPSZ33DP8304BNMC3448ALSN74LS132NSN74LSBJBNSN74128NSAME74HC126T L 7 7 0 5 A0 5 3 3 4 - 8 0 0 2 2INTEGRATED C I R C U I T VOLTAGEAND GROUND CONNECTIONSFigure 8-23.PI0 A1 Main Board HP-IB BlockSchematic Diagram (Shect 4 of 7)H P 5334B - Service Manual8-101