Thermo 42i - Board-Level Connection Diagram - Measurement System

Troubleshooting
Board-Level Connection Diagrams
Thermo Electron Corporation Model 42i Low Source Instruction Manual 6-7
Figure 6-2. Board-Level Connection Diagram - Measurement System
DA T A
J1
3 Pin
SAMPLE SOL.
SPARE 2 SOL.
ZERO/SPAN SOL.
NO/NOX SOL.
GAS THERM.
A
MBIENT TEMP. THERM.
MEAS UR EMEN T
INTERFACE BOARD
FA N2
PUM P
3 Pin
2 Pin
2 Pin
2 Pin
3 Pin
4 Pin
CHAMBER PRESSURE
2 Pin
COOLER
4 Pin
5 Pin
SAMPLE FLOW
TEMP
CONT ROL
6 Pin
FA N1
2 Pin
2 Pin
2 Pin
OZONA TOR
2 Pin
INPUT BOARD
7 Pin
PMT HV PS
PM T
2 Cond
10 Pin
2 Cond
Coax
PMT ANODE
MJ8
MJ10
PJ8
MJ3
MJ15
PJ9
MJ17
PJ4
PJ5
PJ1
OJ1
PJ10
PJ7
PJ11
J1
OZ FLOW SW
4 Pin
2 Pin
HEATER (15V, 1W)
& OVEN THERM.
J2
MJ9
2 Pin
SPARE 1 SOL
.
PJ12
PJ13
POJ3
POJ1
MJ14
2 Pin
J2 J1
PERM OVEN
(OPT I ONAL)
AC
AC
J4
J3
J5
CONVERT ER HEAT ER ( 9 0 W)
BENCH HEATER (60 w)
CONVERTER THERMOCOUPLE
2 Pin
3 Pin
4 Pin
AC
AC
IPJ8
P1
2 Pin
24VDC
3 Pin
AC
TO COMMON ELECT RONI CS
PJ3
PJ6