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2.9
INTERCHANGEABILITY ADJUSTMENT
2.9.1 Interchangeabilty adjustment flow chart
Fig. 2-9-1 shows the flow chart of compatibility adjustment.
Connect the REWRITE board.
Set the RF envelope adjusted waveform flat.
NG
Is the envelope flat?
Eject the cassette tape, then start
NG
playback again.
Is the envelope still flat?
Is the envelope
NG
stabilized within 1 second after mode
transition from Eject to Play?
Is the envelope stabilized
NG
within 1 second after mode transitions
from SEARCH FWD to PLAY and from
SEARCH REV to PLAY?
Check the RF envelope during
NG
REV x1 mode, and confirm that
the specified waveform is output.
Start
OK
OK
OK
OK
OK
Enter modes PLAY
SEARCH FWD
PLAY in this sequence,
and confirm that tape is not damaged
by wrinkles.
Check the RF envelope during
FF and REW, and confirm that the specified
waveforms are output in both modes.
Electrical
adjustments
Fig. 2-9-1
SEARCH REV
NG
Transport system
part defect.
OK
NG
* Tension adjustment.
OK
* Parts for tension
control are defect.
* Tension error.
2-27
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