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2-5.
HEAD REPLACEMENT
2-5A. Record/Playback Head
1
Remove the Cabinet and the Front Panel. (See Section 2-1,
2-2}
Open the Cassette Holder door to the 45 degree position by
pushing the EJECT
Lever to the right, and to the full 85
degree position by pushing the door to the left.
o. the Head Protector Ga) by taking off the 2 screws
Unsolder the wires from the head terminal pins @).
Remove the Head @ by taking off the nut 6) and the
screw 6.
as.
PINCH ROLLER
shown in Fig. 7.
2-5B. Erase Head
1,
oP
oN
2-6.
Repeat steps 1, 2 in 2-5A above. (Record/Playback Head)
Place the right Rotary Lever in the PLAY mode.
Unsalder the wires from, the head terminal pins @.
Remove the Head (8) by taking off the 2 screws @).
Re-solder each head wire to the newly replaced head as
shown in Fig. 7.
NOTE
. After replacing the head and adjusting its azimuth
(See
Section 4-2-1), secure the screws and the nut with a drop of
locking paint.
. Connecting the wires to the head terminal pins should be
done quickly to prevent breaking of internal wires of the
head due to overheating.
PINCH ROLLER REPLACEMENT
Remove the Cabinet and the Front Panel. (See Section 2-1,
2-2)
Qpen the Cassette Holder door to the 45 degree pasition by
pushing the EJECT Lever to the right, and to the full 85
degree position by pushing the door to the left.
Remove the Spring
from the Pinch Roller (1) with the
other end of this spring remaining attached to the Head Base
Plate (2).
Remove the E-ring @® slowly fram the pivot pin 4).
Remove the Pinch Roller Ass'y D from the pivot pin
2
At this time, the work is made easier by pushing the EJECT
Lever to the right.
:
Retain the Spring (5) and remember to re-install it when
replacing the Pinch Rolfer.
NOTE
Make sure that the arm
fits properly into the guide (7) in
the Pinch Roller Ass'y as shown in Fig. 6.
BSA M2x4 y Wes
Oe
ey
we
NS
&
oe
2-BSA M2x4
9
ERAS
2-PSA
M2.6x%4
Fig. 6 Heads/Pinch Roller Replacement
ERASE
HEAD
REC/PLAY
HEAD
T-417
Fig. 7 Head Wiring Diagram
6
NOTE:
For assembling hardware shape identification, see
ASSEMBLING HARDWARE
CODING
LIST on the Parts List.
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