Tektronix HDVG1, Service Manual

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Troubleshooting Procedures
HDVG1 HDTV Digital Video Generator Service Manual
5- 11
9. Read the console ring file power up messages. If there are HDVG1
Generator module errors, refer to the Fault Symptom Table on page 5--11.
10. If the TG2000 Platform does not display any power-up confidence test
messages, or the CPU module fails the confidence test, refer to Trouble-
shooting in the TG2000 Signal Generation Platform Service Manual .
When you return a mainframe or module to Tektronix for repair or replacement,
be sure to include the following:
H
The disks containing the console ring files
H
Whether or not the module passed diagnostics, the highest number
reached for that module, and any error messages
H
Description of the problem, including which troubleshooting flow chart
you used
Fault Symptom Table
Use this fault symptom table after you have performed the preceding General
Troubleshooting . Before proceeding, it is important to save the console ring file
as indicated in General Troubleshooting on page 5--10.
Locate your fault symptom in Table 5--3 and go to the flowchart indicated.
Table 5- 3: Fault symptom table
Symptom Flowchart
Major difficulties with module page 5--12
with module installed in current slot page 5--13
with module moved to different slot page 5--14
Mainframe fails to power up page 5--15
Signals lost after power down page 5--16
Wrong signal on output page 5--17
Missing output signal page 5--18
Returning Modules to
Tektronix