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3. If the FM waveform appears as shown by C or D in
the above figure, adjust the take-up guide roller
height to obtain a waveform such as shown in E, F,
or G.
At this time, if the waveform fluctuates, adjust to the
point of minimum fluctuation.
4. Vary the tracking control from maximum to minimum
FM output.
Perform fine adjustment of supply and take-up guide
rollers so that waveform variation appears as shown
in E, F, or G.
5-4. AUDIO/CTL HEAD HEIGHT,
AZIMUTH AND SLANT
Refer to 3-2 (MA-4) for details regarding AUDIO/CTL
HEAD HEIGHT AND AZIMUTH ADJUSTMENT.
MA-9
5-5. SETSCREW TIGHTENING
1. Check for maximum FM output waveform, maximum
audio output, and be sure that there is no wrinkling on
the tape or other transport irregularities.
When
finished, secure the guide rollers.
(This must be
performed in STOP mode.)
2. Because the guide rollers are easily moved, use care
when securing.
3. After tightening the screws, perform the final inter-
changeability check.
5-6. FINAL INTERCHANGEABILITY
CHECK
Perform preliminary checks referring to section "PRE-
LIMINARY CHECKS" on page МА-6. |
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