Agilent Technologies 6850 Series - Page 324

Troubleshooting
6850
6850
Released: April 2004 6850 Series Gas Chromatograph Service Procedures 325
Table 1-2. Connector Descriptions
Connector Description Voltages present
P4
Detector EPC module
+5 VDC,
±15 VDC, +24 VDC
P5
Inlet EPC module
+5 VDC,
±15 VDC, +24 VDC
P6
Detector logic board
+5 VDC,
±15 VDC, +24 VDC
P7
Oven sensor 10 Volt DC Referemce
P8
Main power transformer secondary connections AC Secondaries
P9
Valve actuator/Cryogenic valve/zone heaters +24 VDC, +40 VDC (Heater)
P10/P11
No connection
P12
LAN Card +5 VDC
P13
No connection (AUX EPC Module - Special)
+5 VDC,
±15 VDC, +24 VDC
P17
Oven fan motor +24 VDC
P19
Inlet/Oven intake cooling fans +24 VDC
P20
Oven interlock/Oven flap motor/AC Board oven relay/Oven
pulse transformer
+5 VDC, +24 VDC
P23
Front panel UI - Display and keypad +5 VDC, +24 VDC