Teac A-3340 - HEAD REPLACEMENT; HEAD ASSEMBLY REPLACEMENT; INDIVIDUAL HEAD REPLACEMENT

HEAD REPLACEMENT
CAUTION
Power to the unit must be switched off when removing the heads,
this will prevent transient pulses from passing through the
heads causing strong magnetization or damage to the delicate
windings. After head replacement, thorough demagnetization is
recommended.
NOTE
The heads of the A-3300/3340.can be changed either as a complete
assembly or individually as required.
HEAD ASSEMBLY REPLACEMENT
To change the head assembly as a unit,
remove the two mounting screws, (one
on each end).
Note the positions of the wires on the
circuit board before unsoldering.
Solder the wires of the new assembly
in exactly the same positions.
Fig. 4-3 Head Assy
INDIVIDUAL HEAD REPLACEMENT
To replace a single head, a special 2mm
:
on
*
nut
driver
is
required.
Remove
the
two
nuts on the defective head through the
access
hole
provided,
this
releases
the
head from the mounting plate. Note the
position of the wires on the circuit
board. .Connect the new head in the same
manner.
Replace the nuts securing the new head
to the plate, perform head alignment
before operation.
Head installation mounting provides for
left or right positioning. After in-
stalling heads, determine proper posi-
tion while recording or playing back a
tape.
Fig. 4-4 Individual Heads