5-35
Troubleshooting
Figure 5-22. 064825—GPI Interface 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 the +5V LEDs at front edge of module lit? If not, check fuse. A 30 Amp fuse on the +5V
064825 - GPI Interface Module
line prevents catastrophic failure.
4. A silicon polyswitch (self-setting fuse) protects the module inputs from a dead short
(+5V to Ground). It will automatically reset after shorted condition is corrected.
Summary of Contents for Grass Valley 4000
Page 3: ...iii Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 4: ...iv Tektronix Grass Valley Products P O Box 1114 Grass Valley CA 95945 916 478 3800 ...
Page 34: ...1 20 Section 1 System Overview ...
Page 138: ...2 104 Section 2 Installation ...
Page 196: ...3 58 Section 3 Functional Description ...
Page 286: ...Index 6 Index ...