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7-2-12. CUE/TC Head Position Adjustment
Checks
1. Playback the alignment tape.
Play back the alignment tape ZR2-1/1P (00:00 to 15:00).
2. CUE/TC head position check
(1) Turn the tracking control volume to center click
position.
(2) Check that the positional relation of the falling edge of
the CTL pulse, and the rising edge of the TC signal
meets the specification.
If not, perform the step 3) and later.
(3) Repeat the mode change from EJECT mode to PLAY
mode 2 or 3 times.
Check that the waveform meets the specification.
If not, perform the step 3) and later.
(4) Repeat the mode change from REV SEARCH mode to
PLAY mode 2 or 3 times.
Check that the waveform meets the specification.
If not, perform the step 3) and later.
Adjustments
3. CUE/TC head position adjustment
(1) Loosen two screws of the CUE head bracket 1/4 to 1/2
turn.
(2) Put the (–) 3 mm screwdriver in the notch of the CUE
head bracket.
(3) Turn the screwdriver and adjust the CUE/TC head
position so that the specification is met.
(4) While holding the screwdriver in step (3), tighten the
two screws.
4. CUE/TC head position re-check
Re-check according to the check procedures.
7-32
CUE/TC head bracket
SV REF CF
waveform(TR1G)
5
CTL pulse
waveform(CH-1)
TC waveform(CH-2)
Spec. DVW-250 : 450 ±400 µs
DVW-250P : 460 ±400 µs
Screws
Notch
5
6.5
3.5
5
5
A
DVW-250/250P
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