Solenoid Position Adjustment; Muting Switch Position Adjustment; Ac Power Line Frequency Adaptation - Teac A-400 Service Manual

Stereo cassette deck
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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
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-
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
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

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