HP 27130A Technical Reference Manual page 45

HP 27130A
SIO
11
DTRB-
MUX CARD
DIAGNOSTIC HOOD
HLED-
S05
HLED
220
SIO
10
CTSA-
3.3K
HOOD_ON-
------.JVVVI------O
+5V
HOOD LEO
220
""------'W-/"------O
GND
Figure 3-4. Diagnostic Hood LED Control Circuit and Hood Sense Circuit
3-18
+~v