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Additional Information
Troubleshooting (continued)
Sapphire tape cleaner
The unit incorporates a sapphire tape cleaner which cleans a video tape when it is
loaded. This cleaner can prevent the video heads from contamination by removing
dust or mold from a tape with the sapphire edge.
Symptoms caused by contaminated video heads
• Normal picture
• Rough picture
• No picture (or
black & white
screen appears)
• Unclear picture
initial
contamination
terminal