Akai 1710W

SECTION
“B"
TROUBLES
WITH
TAPE
TRANSPORT
MECHANISM.
1. Capstan does not rotate.
Troubles
with
motor.
Broken
field
coil.
Check
8
cay
with
tester,
and
replace
.
: motor if coil is broken.
z=
Defective
motor
starting
capacitor
C602
f-—
Replace
C602
Rotor
shaft
dragging
due
to
lack
of
oil
|
Overhaul
motor.
Clean
and
re-lubricate
Oilite
metal.
Some
foreign
matter
exists
between
rotor
Check
and
eliminate
foreign
matter
for
and
stator.
free
rotation
of
rotor,
Troubles
with
power
transmission
:
Broken
capstan
drive
belt.
3
techanigin.
D:
it
}-—
Replace
belt.
Has
pstan
drive
belt
off
of
driving
position.
+——_
Place
belt
in
position.
Eis
bushing
slipping
on
motor
shaft.
Tighten
mounting
screw.
Wi rey
Oil
attached
to
motor
bushing
and/or
flywheel.
es
wilh
cotton-awab:-soaked
2.
Capstan
rotates
in
Stop
position,
but
tape
does
not
advance
when
switched
to
Play
position.
Troubles
with
motor.
Check
motor
torque
and
replace
motor,
Replace C602.
Decreased motor torque.
Defective C602
Motor bushing slipping on motor shaft.
Troubd ith power transmission
is
iia
Capstan
drive
belt
stretched
up.
Replace
belt.
mechanism.
Oil
attached
to
motor
bushing
and/or
flywheeel
Wipe
off
oil.
Capstan
bushing
silping
on
flywheel
shaft.
Tighen
capstan
mounting
screw.
Tighten mounting screw.
Excessive
tension
in
Take-up/Supply
reel
table
Readjust
tension.
assembly.
Oil
attached
to
capstan
and/or
pinch
wheel
‘Wipe
off
oil.
Insufficient
pinch
wheel
pressure.
Check
and
re-adjust
pinch
wheel
pressure.
3.
Capstan
advances
tape,
but
take-up
reel
does
not
take
up
tape.
Reel
shaft
dragging
due
to
lack
of
oil
Check
take-up
reel
shaft
assembly.
Take-up
idler
wheel
does
not
rotate
Check
idler
wheel.
Replace
if
necessary.
properly.
Oil
attached
to
idler
wheel
and
/or
Toller
on
take-up
reel
shaft
assembly.
Wipe
off
ou
Take-up idler wheel does not keep good
contact.
Check
the
idler
tension
spring.
Replace
spring
if
necessary.
Check lever '‘G”