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Technics QUARTZ SP-15 - Page 8

Technics QUARTZ SP-15
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How
to
remove
stator
frame
1.
Remove
the
drive
circuit
board
in
accordance
with
the
above-mentioned
procedure.
2.
Turn
the
main
body
up
and
remove
3
setscrews
of
the
stator
frame.
(See
Fig.21.)
Stator
frame
setscrews
(3
pcs.)
(marked
3
setscrews)
Fig.
21
Remarks:
For
the
disassembly
of
mechanical
parts
other
than
the
above
(such
as
power
switch
plate,
brake
operating
plate,
etc.),
refer
to
the
exploded
views
in
this
manual.
Repair
of
drive
circuit
and
logical
circuit
(Figs.
22
and
23.)
1.
Detach
the
bottom
cover
with
reference
to
the
disassembly
procedure.
2.
Put
the
set
on
the
repair
stand
with
its
front
up.
3.
Mount
the
turntable.
Then,
carry
out
the
check
of
each
part
in
accordance
with
the
Trouble
Shooting
Chart.
Also
use
a
stroboscope
when
checking
the
number
revolutions.
Fig.
22
Repair
of
power
supply
circuit
1.
Remove
the
bottom
cover
and
the
shielding
plate
with
reference
to
the
disassembly
procedure.
2.
Carry
out
the
check
of
each
part
according
to
the
Trouble
Shooting
Chart
with
reference
to
the
test
points
printed
on
the
power
supply
circuit.

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