Service manual

144 6
Digital Control Troubleshooting
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Figure 6-7 24 BIT I/O PORT Test Setup
3. Turn the analyzer power on.
4. Press [Preset], [System], DIAGNOSTIC TEST, [1], [9], [x1], RUN TEST to run the
external test 19: 24 BIT I/O.
• If the external test 19 passes, the 24 BIT I/O PORT is verified.
• If the external test 19 fails, replace the A51 GSP.
9. Check the LAN Operation
Perform the following procedure to verify the LAN operation. Before connecting the
analyzer with LAN, you set an IP address, a gateway IP address, and a sub-net mask that
your network administrator assigned to your analyzer.
1. Press [Local], IP ADDRESS, 1st, and enter the first number of the IP address delimited
by a period.
2. Press 2nd, 3rd, 4th, and similarly enter the second, the third, and the fourth number of
the IP address delimited by a period.
3. Press done.
4. Press [Local], GATEWAY ADDRESS, 1st, and enter the first number of the IP address
delimited by a period.
5. Press 2nd, 3rd, 4th, and similarly enter the second, the third, and the fourth number of
the IP address delimited by a period.
6. Press done.
7. Press [Local], SUBNET MASK, 1st, and enter the first number of the sub-net mask
delimited by a period.
8. Press 2nd, 3rd, 4th, and similarly enter the second, the third, and the fourth number of
the sub-net mask delimited by a period.