Teac A-4010GSL - Mechanical Malfunctions

MECHANICAL
MALFUNCTION
Capstan
fails
to
turn
in
play
mode
Pinch
roller
fails
to
contact.
cpastan
in
play
mode
oo
Takeup
motor
does
not
operate
or
operates
with
improper
tension
in
the
forward
mode
Supply
motor
does
not
operate
or
operates
with
improper
tension
in
the
forward
mode
Tape
speed
not
normal
or
excessive
wow
and
flutter
Tape damage
No
automatic
reverse.
Operates
normally
when
reverse
button
is
pressed.
Tape squeal
Fast
wind
inoperative
CHECK POINTS
Remote
control
jumper
plug
not
installed
or
loose
P-2.
,
Belt
off
or
slipping.
Capstan
motor
defective.
Capstan
bearing
defective.
Reverse
relay
K-3.
TAPE
SPEED
switch
S-2.
Phase
capacitor
C-32.
Pinch
roller
pressure
incorrect.
VOLTAGE
SELECTOR
switch
in
wrong
position.
Diode D-2.
Capacitor
C-4.
Capstan
solenoid
L-2.
The
normal
DC
resistance
of
the
solenoid
is
approx.
1.3k%.
Right
reel
motor
assy.
Wire
wound
resistor
R-8.
Left
reel
motor.
Wire
wound
resistor
R-6.
~
VOLTAGE
SELECTOR
switch
in
wrong
position.
Belt
on
wrong
pulley
step.
Oil
on
belt
or
pinch
roller.
Defective
pinch
roller
or
belt.
Belt
loose.
improper
pinch
roller
pressure.
NOTE:
The
capstan
motor
will
not
cause
wow
and
flutter.
Reel
height
incorrect.
Excessive
takeup
tension.
Excessive
holdback
tension.
Brake
torque
not
even.
Sensing
post
dirty.
Foil
length
too
short.
Sensing
relay
K-6.
Tape
threading.
Poor
tape.
Poor tape.
Excessive
holdback
tension.
Tape
path
components
dirty.
Switch
coil
K-4.
Button
assembly
switch
alignment.
NOTE:
If
K-4
switch
coil
is
defective,
the
FAST
button
will
not
stay
in.