Sony DVCAM DSR-25, Service Manual

Page: 155 / 238

5-30
DSR-25
4-10. CUE/REV CHECK
• Check
Check that the intervals of the waveform peaks are consistent while
the tracking tape (J-6) runs in the CUE mode or REV mode.
4-11. CURL CHECK AND ADJUSTMENT
• Check
Check that the tape runs along each upper and lower flange while
the tracking tape (J-6) runs in the CUE or REV mode. Also check
that there are no large curls on each tape guide and pinch roller.
• If not even
If the waveform peaks are not even, perform Section 4-8, “Tack-
ing adjustment”.
• If the curl is large
Perform the adjustment from Adjustment Start -3 (TG7 side) of
the flowchart on page 5-23 again.
[Waveform in CUE or REV mode]
The intervals of the waveform peaks
must be consistent.
RV1
RV3
RV2
RV4
There should be no large curls
while the tape runs along each
upper and lower flange.
Pinch roller
Capstan
Drum
Be careful that there are often large curls
around the capstan and pinch roller between
TG6 and TG7. If there are large curls, rotate
the upper flange of TG7 to remove the curls.
TG 2
TG 1
TG 1 TG 2
TG 8
TG 7
TG 6 TG 5 TG 4 TG 3
TG 8 TG 7 TG 6 TG 5 TG 4 TG 3
To check the tape path visually, use
the mirror (J-4) to facilitate check as
the frame of the cassette compartment
hinders operations.