HP 5334B - Page 227

REFERENCE DESIGNATIONS WITHIN THIS
ASSPlBLY ARE ABBREVIATED. ADD
ASSWLY NUMBER TO ABBREVIATION
FOR
WLETE DESCRIPTION.
UNLESS OTHERWISE INDICATED:
RESISTANCE IN
OM;
CAPACITANCE IN MICROFARADS:
INDUCTANCE IN MICRPHENRIES.
ASTERISK
(W) INDICATES FACTORY
SELECTED COMPONENT. AVERAGE VALUE
SHOWN.
A TILDE
("-") PRECEDING A SIGNAL
INDICATES A NEGATIVE-TRUE SIGNAL.
CIRCUIT NOTES:
Q3
BOTTOM VIEW
1/4 OF
UlB(U10C) IS ON SHEET 3
INSTRUMENT
CMN.
+DDIGITAL CIRCUIT RETURN.
R271 THROUGH
R289 ARE ZERO OW
RESISTORS (JUMPER WIRES).
TABLE Of ACTIVE
1902-0939
CR10. CR292
1854-0246
1820-3121
1820-2058
U8 1820-1425
US 1820-3270
U10 1820-3479
U31 1820-3145
UZ92 1826-1338
WG PART NO.
lN5908
IN4150
SPSZ33
DP8304BN
MC3448AL
SN74LS132N
SN74LSBJBN
SN74128N
SAME
74HC126
TL7705A
05334-80022
INTEGRATED CIRCUIT VOLTAGE
AND GROUND CONNECTIONS
Figure 8-23. PI0 A1 Main Board HP-IB Block
Schematic
Diagram (Shect 4 of 7)
HP 5334B - Service Manual
8-101