Agilent Technologies 4284A Service Manual page 83

3-1 0-2. FAU LTY BOARD I SOLATION PROCEDURE
This paragraph provides the procdures for isolating the faulty board. Required equipment
are listed in Table 1 - 1 , S ECTION 1 .
Perform the following procedure to isolate the faulty board .
1 . Connect the H P-IS cable between the H P-IS connectors on the 4284A's rear
panel and on the controller's rear panel, and connect the H P- I S cable between
the H P-IS connectors on the 4284A's rear panel and on the H P 3458A's rear
panel. Figu re 3-1 4 shows the setup.
C O M PUTE R
o D O Cl Cl Cl O
D O D D O Cl
Figure 3-1 4. Faulty Soard Isolation Program Setup
2. Soot u p SASIC and load the necessary binary files in the controller.
3 . Load the faulty board isolation program in the controller, the file name is
"SVC 4284A " .
4. Press the controller's RUN key. After two minutes, the nessecary equipment list
will be displayed on the controller's screen. (The necessary equipment is also
listed in Table 1 - 1 , SECTION 1 .)
5. Press the controller's 'NextStep' softkey. The H P- I S address list will be dis­
played on the controller's screen.
6 . Set the 4284A's H P-IS address and 3458A's H P- I S address using the proper
controller softkeys, and press the controller's 'NextStep' softke y . If you don't get
the 4284A's H P-IS address due to a problem with the 4284A, press the ' Next­
Step' softkey without entering the 4284A's H P- I S address.
7. The main menu will be d isplayed on the controller's screen as follows.
M U LT I M ETER
O Cl Cl C
Cl Cl
0 0 0
Cl Cl o o C] o
0 0
0 0 0 0
Cl Cl
Cl Cl o o o a 0 0 0
3-40
H P-I S Cable
DDD
HP 4284A
DODO
D
o
o o
M
o 0 0 0 0 0
0
0
0 0 0 0 0 � 0
0
0
0
0