Table 6-7. Front Panel Board Connector Pin Diagram - Thermo Scientific 48i Instruction Manual

Troubleshooting
Connector Pin Descriptions
6-18 Model 48i Trace Level-Enhanced Instruction Manual
Connector Reference
Label Designator
SPAN2 SOL. J16
AC O2 J3
PERM OVEN J20
THERM
PERM OVEN J21
FLOW SW J11
MOT DRV J8
OPT J6
Table 6–7. Front Panel Board Connector Pin Diagram
Connector Reference
Label Designator
MOTHERBOARD J1
Pin Signal Description
1 +24V
2 Span 2 Solenoid Control
1 AC-HOT
2 AC-NEUT
3 AC-Ground
1 Perm Oven Gas Thermistor
2 Ground
1 Perm Oven Heater On/Off
2 +15V_PWR
3 Perm Oven Thermistor
4 Ground
1 N.C.
2 Ground
3 Purge Flow Signal Input
1 Motor Drive Voltage 1
2 Motor Drive Voltage 2
3 Motor Drive Voltage 3
4 Motor Drive Voltage 4
1 Optical Pickup Signal Input
2 Ground
3 Optical Pickup Power
Pin Signal Description
1 Ground
2 Ground
3 LCLK – LCD Signal
4 Ground
5 Ground
6 LLP – LCD Signal
7 LFLM – LCD Signal
8 LD4 – LCD Signal
Thermo Fisher Scientific