Power-- �
-,►,
Supply
Board
TP403
TP401
nm
Power Supply Board
Top View of Chassis
TP402
=
-J405
J406
J404
r�-'
TP403
Figure 4-5. Location of Troubleshooting Components
4.4
CMD Service Functions
In current mode, the CPU Board selects IHIGH or ILOW and gains of
1, 10, or 100 to provide an appropriate level signal for the
AID
converter. This analog multiplexing may be frozen and certain analog
switches selected by using keyboard commands listed below. These
commands should only be used during service by a qualified electronic
technician.
Command
0817
0809
0801
0818
0810
0802
0880
0800
Source
Gain
ILOW
1
ILOW
10
ILOW
100
IHIGH
1
IHIGH
10
IHIGH
100
HV
1
Multiplexed (normal) Operation
Service
4-9