HP 5334B Service Manual page 227

REFERENCE DESIGNATIONS W I T H I N T H I S
ASSPlBLY ARE ABBREVIATED. ADD
A S S W L Y NUMBER TO ABBREVIATION
FOR 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 FACTORY
SELECTED COMPONENT. AVERAGE VALUE
SHOWN.
A T I L D E
( " - " )
PRECEDING A SIGNAL
INDICATES A NEGATIVE-TRUE SIGNAL.
C I R C U I T NOTES:
Q3
BOTTOM VIEW
1 / 4 OF U l B ( U 1 0 C ) I S ON SHEET 3
INSTRUMENT C M N .
+DDIGITAL C I R C U I T RETURN.
R 2 7 1 THROUGH R 2 8 9 ARE ZERO O W
RESISTORS (JUMPER WIRES).
TABLE Of ACTIVE
1 9 0 2 - 0 9 3 9
CR10. CR292
1 8 5 4 - 0 2 4 6
1 8 2 0 - 3 1 2 1
1 8 2 0 - 2 0 5 8
U 8 1 8 2 0 - 1 4 2 5
US 1 8 2 0 - 3 2 7 0
U 1 0 1 8 2 0 - 3 4 7 9
U 3 1 1 8 2 0 - 3 1 4 5
U Z 9 2 1 8 2 6 - 1 3 3 8
W G PART NO.
l N 5 9 0 8
I N 4 1 5 0
SPSZ33
DP8304BN
MC3448AL
SN74LS132N
SN74LSBJBN
SN74128N
SAME
74HC126
T L 7 7 0 5 A
0 5 3 3 4 - 8 0 0 2 2
INTEGRATED C I R C U I T VOLTAGE
AND GROUND CONNECTIONS
Figure 8-23. PI0 A1 Main Board HP-IB Block
Schematic Diagram (Shect 4 of 7)
H P 5334B -
Service
Manual
8-101