User Guide

PAMS
Technical Documentation
NME–3
Troubleshooting
Page 6
Issue 1 10/99
Figure 2. check wakeup circuit
Is Pin 9 of
D702 high
Disconnect the Powersupply
Connect Probe to Pin 3 of D701
set scope to singletrigger falling edge,
reconnect the powersupply
No
Yes
Scope pic
according
figure 1
No
Check D701
Yes
D701 Pin 9 high
Check CCONT
No
LEDs on
Check
Powersupply
Check
Digitalpart
No
Yes
Is Pin 13 of
D702 high
Check circuit on
Pin 13 of D702
No
Yes
Check D702
Check that a low pulse is produced
on Pin 10 of D702 when
switching Power On
Yes