HP 5890 SERIES II Service Manual page 306

P3 DETECTOR B PCB CONNECTOR
P3.1 +15V
P3.2 +15V
P3.3 - 15V
P3.4 - 15V
P3.5 *STOPB
P3.6 +10V REF
P3.7 3Q
P3.8 A3 OF U 16.2
P3.9 STARTB
P3.10 A4 OF U 16.2
P3.11 gnd
P3.12 gnd
P3.13 gnd
P3.14 gnd
P3.15 GND
P3.16 GND
P3.17 153.6KHz
P3.18 307.2KHz
P3.19 +24V
P3.20 4Q
P3.21 +24V
P3.22 4.9152MHz
P3.23 +5V
P3.24 +5V
P4 ANALOG SIGNAL 1 OUTPUT CONNECTOR
P4.1 RECORDER COMMON gnd
P4.2 gnd
P4.3 RECORDER1
P4.4 INTEG1
P4.5 GND
P4.6 AGROUND
P4.7 AGROUND
P4.8 GND
P4.9 INTEG1
P4.10 RECORDER1
P4.11 GND
P4.12 RECORDER COMMON gnd
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