Service manual

HI to Chassis Isolation 1. Make hardware connections as shown in Figure 2-9
2.
Set DMM to 2-wire ohms, 1 GΩ range
3. Send
CLOS (@nn00:nn15, nn90:nn93) to close all relays
4. Trigger the DMM with
TRIG SGL
5. Record the DMM reading on Table 2-2 (HI to Chassis)
HI to LO Isolation
1. Make hardware connections as shown in Figure 2-10
2. Trigger the DMM with
TRIG SGL
3. Record the DMM reading on Table 2-2 (HI to LO)
Figure 2-9. HI to Chassis Isolation Connections
Figure 2-10. HI to LO Isolation Connections
34 Verification Tests Chapter 2