Faulty Board Isolation Procedure - Agilent Technologies 4284A Service Manual

3-10-2. FAULTY BOARD ISOLATION PROCEDURE

This paragraph provides the procdures for isolating the faulty board. Required equipment
are listed in Table 1-1, SECTION 1.
Perform the following procedure to isolate the faulty board.
1. Connect the HP-IB cable between the HP-IB connectors on the 4284A's rear
panel and on the controller's rear panel, and connect the HP-IB cable between
the HP-IB connectors on the 4284A's rear panel and on the HP 3458A's rear
panel. Figure 3-14 shows the setup.
COMPUTER
0 0 0 0 0 0
0
II
Figure 3-14. Faulty Board Isolation Program Setup
2. Boot up BASIC and load the necessary binary files in the controller.
3. Load t h e faulty board isolation program i n t h e controller, t h e file n a m e i s
"SVC4284A".
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. T h e HP-IB address list will b e dis-
played on the controller's screen.
6. Set the 4284A's HP-IB address and 3458A's HP-IB address using the proper
controller softkeys, and press the controller's 'NextStep' softkey. I f you don't get
the 4284A's HP-IB address due to a problem with the 4284A, press the 'Next-
Step' softkey without entering the 4284A's HP-IB address.
7. The main menu will be displayed on the controller's screen as follows.
MULTIMETER
0 0 0 0 0 0 0 0 0
0 0 t o 0 0 0
0 0
0 0 0 0 0 0
0 0 ❑
0 0 0 0 0 0
0 0 0
3-40
HP-IB Cable
HP 4284A
0 0 0 C I 0 0
0 0 0
0
0 0 0
0 0 0 0
0
0 0 0 0
0 0
o 0 0 0 0
• = 1