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Troubleshooting
Board-Level Connection Diagrams
TO COMMON ELECTRONICS
DATA
3 Pin
24V
2 Pin
AC
3 Pin
6-10
Model 48i Trace Level-Enhanced Instruction Manual
MEASUREMENT
INTERFACE BOARD
J17
J18
J1
Figure 6–2. Board-Level Connection Diagram - Measurement System
PREAMP BOARD
J7
12 Pin
CHOPPER MOTOR
J8
4 Pin
OPTICAL PICKUP
J6
3 Pin
CHAMBER PRESSURE
J9
4 Pin
SAMPLE FLOW
J10
5 Pin
FLOW SWITCH
J11
3 Pin
AMBIENT TEMP. THERM.
J5
2 Pin
J20
2 Pin
PERM OVEN CONNECTORS
(Not Used)
J21
4 Pin
J13
ZERO/SPAN SOL.
2 Pin
J14
SAMPLE SOL.
2 Pin
SPAN 1 SOL.
J15
2 Pin
J16
SPAN 2 SOL.
2 Pin
J19
FAN
2 Pin
J12
6 Pin
O2 CONNECTORS
(Not Used)
J2
3 Pin
AC
J4
BENCH HEATER AND THERM.
4 Pin
AC
J3
AC PUMP
3 Pin
IR SOURCE
2 Cond.
IR DETECTOR
4 Cond.
Thermo Fisher Scientific
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Troubleshooting
