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4-5-2.
No. 2 Gulde (TG-2) Adjustment
1)
2)
3)
4)
5)
6)
(See Figs. 4-8. and 4-9.)
Play back a thin tape like the P6-120MP, etc. and set the
REV mode.
Confirm that the tape is not bent at the lower flange @ of
the No. 2 guide (TG-2) @ (See Fig. 4-8). If it is, tum the
upper flange @ of the No. 2 guide (TG-2) @ clockwise with
a screwdriver, lowering it until the tape is straightened.
Play back the alignment tape for tracking adjustment.
Perform tracking adjustment and tracking fine adjustment as
described in sections 4-3. and 4-4,
In the track shift mode, CUE/REV the tape, then play it back
and confirm that the RF waveform rises flat within 2
seconds.
If the waveform is not normal (See Fig. 4-9), tum the
upper flange @ of the No. 2 guide (TG-2) @ 90° counter-
clockwise and repeat step 5.
Repeat steps 5 and 6 until a normal waveform is obtained.
Then, confirm that the tracking waveform has not changed.
If it has, perform fine adjustment of entrance side tracking
and repeat step 5.
@ No. 2 Guide
(TG-2)
REV Mode
4-6.
No.7 GUIDE (TG-7) ADJUSTMENT
))
2)
o)
—32—-
(See Fig. 4-10.)
Play back the alignment tape for tracking adjustment and set
the REV mode.
Confirm that the tape is not bent between the No. 6 guide
(TG-6) @ and the capstan
@ . If it is, tum the hight
adjusting screw @ of the No. 7 guide (TG-7) @ until the
tape is straightened.
Set the playback mode again and confirm that the tape is not
bent between the capstan @ and the hight adjusting screw @
of the No. 7 guide (specification:0.5 mm or less) . If the tape
is bent beyond the specification, tum the No. 7 guide (TG-7)
© until bending is within the specification (0.5 mm).
If in the REV mode tape bending between the No. 6 guide
(TG-6) @ and the capstan @ is 0.3 mm or less, adjustment
can be considered completed.
© No.
7 Guide
@ No. 6 Guide
(TG-6)
'Tape should be straight.
Fig. 4-10.
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