Tektronix Grass Valley 4000, Installation And Service

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5-19
Troubleshooting
Figure 5-6. 064803—Mix/Wipe Module
1. Check the Operator’s Guide to verify correct usage of the function that appears broken.
2. Verify the function in question is supported by the current software release.
3. Is +5V LED at front edge of module lit? If not, check fuse.
4. Is the “RUN” LED at the front edge of the Mix/Wipe module lit? If no, check to be sure
Restore modules to original location. Now, swap Wipe
The problem
followed module.
Problem is not on
Mix/Wipe Module
064803
that Prom’s, micro-processor, and other socketed parts are properly installed.
Swap the module in question with any
other Mix/Wipe module in the Frame.
The problem did not
follow the module.
mezzanines (064828) on the Mix/Wipe Module in question.
Wipe mezzanine is bad. Visually inspect for obvious
problems: bent connector pins; improperly socketed
parts; or broken solder connections. If unable to locate
problem, contact customer service for instructions.
Restore mezzanines to original location. Now, move the Preview
mezzanine (064829) on the Wipe/Mix module in question
to another module.
The problem did not
follow the module.
Problem is not on
mezzanine module
064828
The problem
followed mezzanine.
Preview mezzanine is bad. Visually inspect for obvious
problems: bent connector pins; improperly socketed
parts; or broken solder connections. If unable to locate
problem, contact customer service for instructions.
Problem is not on
mezzanine module
064829
The problem did not
follow the mezzanine.
Problem is probably
on the carrier.
1. Visually inspect the module for obvious problems: bent connector pins;
improperly socketed parts; or broken solder connections. To do this,
removal of the mezzanine may be necessary. If no obvious problem is
found, restore the Preview mezzanine to its original location.
2. If unable to find a problem, contact customer service for instructions.
064803 - Mix/Wipe Module
The problem followed
the mezzanine.