User's Manual

3 - Troubleshooting
34
Continued from
sheet 2
CC
_
Pro
g
, R360,
-4.8V
?
Check A2 Interface
Board
No
Imon
_
H, U309A-6
~+3.5V
?
Dro
p
across R473
~0.25V
?
No
Check Hi
g
h Ran
g
e
Current Monito
r
A
m
p
lifie
r
Yes
Check Positive Current
Control Circuit
Yes Yes
Check R473
No
Figure 3-1 Sheet 10. No Current Limit