Sony TC-366 - Page 24

12-2. Tape Pass Adjustment
(A) Tape Guide (left) Adjustment
Adjusting Parts:
tape guide (left) See Fig. 12-1
(1) Thread a tape.
(2) Align the upper edge of the tape just on
the upper edge of the erase head core by
turning the tape guide located on the left
side of the erase head.
(3) Turn the tape guide located on the left side
of the erase head clockwise by approxi--
mately 35° from the position obtained in
the preceding procedures, so that the upper
edge of the tape is approximately 0.05 mm
lower than that of the erase head core.
guide, tape S S 35°
(left)
[EN
\.
Procedures:
(1) Turn the azimuth adjusting screws and the
angle adjusting screws so that the record
head and the playback head are positioned
nearly as shown in Fig. 12-5.
(2) Turn the p.b. head height adjusting screw
so that the upper edge of the p.b. head is
0.025 mm lower than that of the tape and
memorize the angle of turns.
(3) Turn the p.b. head zenith adjusting screw by
the same angle of turns to the same direction
of the p.b. head height adjusting screw.
guide, tape {right}
a=.
eee | ee
tT
Ned
/
0.05mm 0.025mm
Fig. 12-5 Tape guide (left) adjustment
(B) Tentative Record and P.B. Heads Adjustments
Adjusting Parts: (See Fig. 12-1.)
e P.B. Head azimuth adjusting screw
angle adjusting screws
height adjusting screw
zenith adjusting screw
e Record Head azimuth adjusting screw
angle adjusting screws
height adjusting screw
zenith adjusting screw
(The p.b. head and the record head adjustments
should be made in numerical order.)
®©QGO8 OHO
= 98 a4
(4) Turn the record head height adjusting screw
so that the upper edge of the record head
is 0.025mm lower than that of the tape
and memorize the angle of turns.
(5) Turn the record head zenith adjusting screw
by the same angle of turns to the same
direction of the record head height adjusting
screw.
(6) Set the machine at 19cm/s (7%ips) tape
speed.
(7) Make the tape loose a little by pushing the
tension regulator arm pin in the direction
shown with arrow in Fig.12-6 and then
adjust the p.b. head and the record head
zenith adjusting screws to obtain the reflec-
tion of light as shown in Fig, 12-6.