E-03 is a warning that the cassette take up drive spindle is not turning
properly, and this can in many cases be caused simply by the actual tape used
being faulty (internally sticking) so another tape must always be tried.
Continual use of non JVC can cause problems with JVC devices, and TDK or
Maxell tapes should never be used, as its known in service circles that there
is a high incidence of drive problems where these brands have been used,
always stick to JVC - Panasonic or Fuji tapes.
However if another tape doesn't cure the problem then it indicates that the
take up mechanism will have to be inspected, which obviously requires an
element of dismantling to be carried out.
A long shot measure which sometimes helps is, with the cassette holder open
blow air into, and onto, the spindle area, a hairdryer on its cool setting is
ideal for this, as if tape dust contamination is the cause of the problem
then this might clear it.
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