LTQ Orbitrap XL Hardware Manual

Central Electrode Pulser Board
Table 1-13. Diagnostic LEDs of the Ion Optic Supply board
No. Name Color Description Normal Operating
Condition
LD1 +275 V Green +275 V Input voltage
present
LD2 -275 V Green -275 V Input voltage
present
LD3 +29 V Green +29 V Input voltage present On
LD5 +15 V Green +15 V Input voltage present On
LD6 -15 V Green -15 V Input voltage present On
LD7 RF1_ON Blue RF1 generator switched on depending on application;
LED flashes during scanning
LD8 RF2_ON Blue RF2 generator switched on depending on application;
LED flashes during scanning
On
On
Functional Description
Printed Circuit Boards
The central electrode pulser board (P/N 207 9640) 1 is located in a
housing that is mounted to the flange of the UHV chamber.
Figure 1-34. Central Electrode Pulser board
1 Part number of complete unit.
Thermo Fisher Scientific LTQ Orbitrap XL Hardware Manual 1-47