Teac A-400 - Solenoid and Muting Switch Adjustments

3-6. SOLENOID POSITION ADJUSTMENT
1. Place the deck in the PLAY mode with no power applied.
2. Depress the plunger by hand until the plunger is fully
bottomed, and the Latch Arm latches the solenoid pin.
3. Adjust the Solenoid position by loosening the 2 screws so that
the clearance between the Latch Arm and the solenoid-pin is
approximately 0.5 mm (1/64) as shown in A of Fig. 22.
4, After adjusting, retighten the 2 screws and secure them with
a drop of locking paint.
P oP Solenoid Pin
Plunger
3-8.
VOLTAGE
SELECTOR
SETTING
PROCEDURE
(General
Export
Models)
1. Disconnect the power
cord of the deck fram the
source.
2. Turn thedeck around and
locate the voltage selector
on the rear of the deck.
(See Fig. 24)
3. Loosen the screw on the
right end of the metal bar
covering the voltage selec-
tor and then rotate the
Latch Arm
Solenoid
approx. O.Smm(v64")
Screws
T-411
Upper right hand corner of Transport Chassis
(viewed from front )
Fig. 22 Solenoid Position Adjustment
3-7. MUTING SWITCH POSITION ADJUSTMENT
1. Before adjusting this, be sure that no power is applied to the
deck.
2. ‘Loosen the 2 screws as shown in Fig. 23.
3. Turn the right Rotary Lever to the PLAY position.
4. Lightly force the Muting Switch PC Board to the right
{toward the arrow) as far as possible by hand, and retighten
the 2 screws.
5. After adjusting, secure the 2 screws with a drop of locking
paint.
Right Rotary Lever
PLAY mode
Screws
1-410
Muting Switch PC Board
Fig. 23 Muting Switch Position Adjustment
12
bar so the slotted center
post of the voltage selec-
tor can be adjusted.
4. To increase the selected
220
voltage, turn the slotted
center post clockwise. : \(
5. To decrease the selected
voltage, turn the slotted
center post counter- :
240
clockwise.
6. The numerals that appear \K
in the cut-out window of
the voltage selector indi-
Fig.
24
Voltage
Selector
Setting
cate
the
selected
voltage.
3-9. AC POWER LINE FREQUENCY ADAPTATION
Since the A-400 employs a DC-servo controlled motor, 50 Hz
or 60 Hz operation is permitted without power line fre-
quency adaptation.
3-10. LUBRICATION
Apply
1
or
2
drops
(approx.
0.2
cc)
of
a
light
machine
oil
with
an
oil
applicator
to
the
shaft
bearing
portion
of
the
‘Capstan
Assy.
See
Fig.
25.
(See
Section
2-9
for
lubrication
of
the
newly
replaced
Flywheel!
Assy.)
No other lubrication is normally necessary .
NOTE
Lubrication
of
the
Capstan
Assy
should
be
generally
done
at
about
every1,000hour
operating
time
of
the
tape.
deck.
Use
high
quality oil for this purpose.
Apply lor2 drops”
y A (approx: O.2¢c) of Oil here
8 Capstan Assy
T-408
Fig. 25 Lubrication of Capstan Assy