Teac Z-6000 - TAPE SPEED ADJUSTMENT; WOW AND FLUTTER; DAMPER ADJUSTMENT

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5-9 TAPE SPEED ADJUSTMENT
1. Connect a frequency counter to the deck as shown in Fig. 5-9.
2. Play a tape for more than five minutes to. warm up the deck,
then load a TEAC MTT-111 test tape containing a $000-Hz test
tone and play the test tape.
3. While the tape is playing, use a non-metallic or insulated screw-
driver and adjust the control on the DC capstan motor assy
(Refer to Fig. 3-1} for a reading of 2985 to 3005 Hz on the fre-
quency counter.
4, Play the tape at the beginning and at the end, and check that the
speed deviation is within the prescribed limits by observing that
the reading on the frequency counter never deviates more than
+45 Hz from 3000 Hz, nor drifts more than 30 Hz at any given
time,
5-10 WOW AND FLUTTER .
Note: These measurements should be made at the beginning, middle
and the end of the tape. ,
PLAYBACK
_
—
1. Connect a wow-and-flutter meter to the deck as shown in Fig.
5-9.
. Load.and play a TEAC MIT-111.-test tape.
3. Check that the reading on. the wow-and-flutter meter is within
0.03% {WRMS).
2) RECORD/PLAYBACK
4. Load a blank TEAC MTT-502 test tape and record a 3000-Hz
signat. ,
5. Rewind the tape to the beginning of the recorded section, and
play it,
6. The wow-and-ftutter should not be mare than 0.15% (RMS),
nN
—
5-11 DAMPER ADJUSTMENT
1. Adjust the damper adj. screw (see fig. 3-3) so that it takes the
damper 0.5 — 1 sec. to open the cassette compartment. During
this adjustment, the cassette cover should be in place, but no
cassette should be loaded.
10
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Fig. 5-9
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