- Cleaning of tape transport
- Every 500 hours of use or whenever another repair is made
- Clean the tape path thoroughly. This includes all tape guides,
shuttle assembly and drum.
- Cleaning and degaussing of audio/control assembly
- Every 500 hours of use or whenever another repair is made
- Clean and demagnetize the Audio/control head
in a similar fashion to a regular audio deck.
- Replace drive system belts, idlers etc
- Every 500 hours of use. Check whenever another repair is made
- Check all the rubber belts
and friction components, particularly
the pinch roller,
for signs of wear and if in doubt replace.
- Measurement of back/forward tension
- Every 500 hours of use or whenever another repair is made
- Most VCRs require a back tension of approximately 60g.
- Replacement of upper drum and video head
- Every 2000 hours of use if required
- Replace the
video head
if you see signs of failure, such as black/white
streaking on the picture or failure of hi-fi sound. It the VCR is the type
that uses a separate upper drum it is best to
replace the drum at the same time.
- Replacement of lower drum
- Every 5000 hours of use
- Although it is recommended that the lower drum be replaced
it is not a realistic option as a new drum is probably not available.
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