Marconi Instruments P4428, Техническое руководство

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Fault Check Procedures
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Checklist 4
Unplug voltage stabiliser from camera, connect external supply (refer page
32). Check current consumption. If greater than 0.1A start voltage stabiliser
checklist page 59 rear fold. Plug voltage stabiliser into camera.
Check current consumption of camera. If greater than 0.5A refer to Factory.
Checklist 5
Plug in external monitor.
1) Is there a picture on the external monitor?
Yes. Start monitor video checklist page 50 rear fold.
2) Is there a raster on the internal monitor?
Yes. Start Checklist 7.
Remove case and connect external supply (refer page and page
Start and work through all scan checklists page 41 to page 46
rear fold, than all video checklists page 51 to page 58 rear fold
then tube base checklist page 60 rear fold.
Checklist 6
With external supply connected start voltage stabiliser checklist page 59 rear
fold.
Checklist 7
Remove case and connect external supply.
Is there a blanking circle on internal monitor?
Yes. Start video checklist page 51 rear fold.
Start circular blanking checklist page 55 rear fold.
Start black level checklist page 58 rear fold.