HP 5890 SERIES II Service Manual page 304

MAIN PCB CONNECTORS
P1 KEYBOARD CONNECTOR
P1.1 GND
P1.2 - 24V
P1.3 - 15V
P1.4 GND
P1.5 614.4KHz
P1.6 GND
P1.7 *BA4
P1.8 GND
P1.9 38.4KHz
P1.10 *38.4KHz
P1.11 *POP
P1.12 +15V
P1.13 +5V
P1.14 +5V
P1.15 +24V
P1.16 *EXT_IN1
P1.17 *EXT_OUT9
P1.18 *EXT_OUT10
P1.19 BD0
P1.20 BD1
P1.21 BD2
P1.22 BD3
P1.23 BD4
P1.24 BD5
P1.25 BD6
P1.26 BD7
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