HP 54501A - Fan; Power Supply Assembly;System Board Assembly Voltages

HP 54501A SErVICE
Table G-1
.

Power Supply Assembly/System BoardAssembly Voltages
NOTE
The ground planes
(digital,
analog, and display)
are at the same potential on
the power supply,
but at board level the supplies must be measured to the
respective
ground .
PIN
SIGNAL PIN SIGNAL
1
+5 .15 V (ANALOG) 11 -5 .2 V (ANALOG)
2
+5 .15 V (ANALOG) 12 GROUND (ANALOG)
3 +5 .15 V (DIGITAL) 13
+12 V (ANALOG)
4 +5 .15 V (DIGITAL) 14
GROUND (ANALOG)
5 GROUND (DISPLAY)
15 -12 V (ANALOG)
6
GROUND (DIGITAL) 16 GROUND (ANALOG)
7 GROUND (DIGITAL) 17
+12 V (DISPLAY)
8 GROUND (ANALOG) 18 -5
.2 V (ANALOG)
9 +3 .5 V (ANALOG) 19
+15 .5 V (FAN)
10 GROUND (ANALOG)
20 GROUND (FAN)