Troubleshooting
Board-Level Connection Diagrams
6-8
Model 146
i
Instruction Manual
Thermo Fisher Scientific
Board-Level
Connection Diagrams
and
are board-level connection diagrams for the
common electronics and measurement system. These illustrations can be
used along with the connector pin descriptions in
through
to troubleshoot board-level faults.
Figure 6-1.
Board-Level Connection Diagram - Common Electronics
2 Pin
P1
DIGITAL
OUTPUTS
24VDC
POWER SUPPLY
MOTHER BOARD
DIGITAL OUTPUT
BOARD
I/O EXPANSION
BOARD
J14
J3
FRONT
PANEL
BOARD
J1
LCD
DISPLAY
KEY PANEL
J18
J2
J4
J3
J1
J10
J17
PJ1 PJ3
PJ2
FRONT PANEL
POWER SW
16 Pin
4 Pin
8 Pin
34 Pin
3 Pin
2 Pin
3 Pin
3 Pin
3 Pin
PJ6
3 Pin
IPJ8
3 Pin
8 Pin
11 Pin
2 Pin
EXPANSION RS485
ANALOG OUTPUTS
/DIGITAL INPUTS
P1:A
P1:B
RS232/RS485
J2
10-BASE-T
J15
J5
15 Pin
8 Pin
37 Pin
9 Pin
9 Pin
RS232/RS485
J1
EXPANSION I/O
J2
25 Pin
37 Pin
AC
AC
REAR PANEL
AC INPUT
3 Cond
AC
POWER_GOOD
24VDC
TRANSFORMER
(90VAC or 240VAC
OPTIONS)
J4
8 Pin
SPARE DATA
DATA
TO MEASUREMENT SYSTEM
Summary of Contents for 146i
Page 1: ...Model 146i Instruction Manual Dynamic Gas Calibrator Part Number 102482 00 30Jan2008 ...
Page 4: ......
Page 16: ...Contents xii Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 148: ......
Page 188: ...Troubleshooting Service Locations 6 26 Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 258: ...System Description I O Components 8 16 Model 146i Instruction Manual Thermo Fisher Scientific ...
Page 273: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 15 Figure 9 5 Bench Mounting ...
Page 274: ...9 16 Model 146i Instruction Manual Thermo Fisher Scientific Figure 9 6 EIA Rack Mounting ...
Page 275: ...Thermo Fisher Scientific Model 146i Instruction Manual 9 17 Figure 9 7 Retrofit Rack Mounting ...