SPG600 & SPG300 Sync Pulse Generators Service Manual 6-37
Troubleshooting
This section contains information about diagnostics and troubleshooting trees
designed to isolate faulty modules in the sync pulse generator.
Diagnostics
The sync pulse generator has internal diagnostics that verify memory functionality.
Perform the following procedures to execute the diagnostics:
1. Power on (plug in) the sync pulse generator with the PANEL ENABLE button
pressed. This starts up the instrument in Factory mode.
2. Wait until initialization is completed. Check that no error messages appear on
the display.
3. Press the SYSTEM button to display the System menu.
4. Press the up (
S) or down (T) arrow button to select DIAGNOSTICS.
5. Press the ENTER button.
6. Check that the message PASS, Press CANCEL is displayed on the display.
If the message FAIL, Press CANCEL is displayed, replace the A10 Main
board.
CAUTION. When you execute the diagnostics, be sure to save the current
instrument settings to a preset, and then recall the settings after the diagnostics is
completed.
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