HP 5890 SERIES II Service Manual page 21

ANALOG
SIGNAL 1
OUTPUT
KEYBOARD
AND J1
DISPLAY
DETECTOR
A
J2
PCB
DETECTOR
B J2
PCB
PRESSURE
CONTROL
J1
PCB
COMMUNICATIONS
PCB
J12
ELECTRONIC
FLOW J1
SENSOR
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REMOTE
START/STOP
ANALOG
SIGNAL 2
OUTPUT
P4 P5 P6
P1
MAIN PCB
P2
P3
P13
F2
P12
5A
250V
P11
OVEN TRIAC
OVEN HEATER
OVEN FAN MOTOR
SVC 1- 14
ZONE
TEMP
SENSORS
&
INJECTION
PORT FAN
P7 P8
F1
J1
5A
250V
J9
F3
5A
250V
J14
P10
TRANSFORMER
F4, F5
MAIN SWITCH
5A
250V
OVEN
FLAP
STEPPER
MOTOR,
IGNITOR,
VLVA, VLVB
VALVE PCB
CRYO &
4 HEATED
ZONES
5th HEATED
ZONE &
VALVE 1 & 2
AC PCB
LINE
CORD