Adjustment; Selection Of Line Voltage - Pioneer PL-51A Service Manual

4.
ADJUSTM
ENT
When
adjustment
of the
fine
speed control
does
not
give a satisfactory
speed,
adjust
the
motor in
accordance
with the
following
procedure.
1.
Remove the bottom
cover.
2.
Set
the fine
speed
control
to
the midposition.
3.
While
observing
the
edge
of
the
turntable
platter with
a
strobe, adjust
screws inside the
motor
as
shown
in
Fig.
3.
4. Alternate switching between 33-1/3
and
45 rpm
speeds
while making
adjustment.
Make
sure
that both
speeds are
correct.
Selection
of
Line Voltage
If model
PL-51 does not
agree
with the
line
voltage
of
your
service area, set
the
unit
to
the
proper line
voltage
as
follows:
1.
Remove
the bottom
cover, now you
can
see
the terminal board (Fig.
).
2.
Unsolder the
lead
(White) from
the terminal.
3.
Solder
the
lead (White) to the
terminal of
your
local line
voltage.
WH
ITE
P.C. BOARD
NOTES:
N)
5
o
l\)
o
J
w('
OOO
TERMINAL
BOARD
POWER TRANSFORMER
FL-5IA
First
set
knob
to midposition
Fis.
3
1
10V
1
20V
1
30V
220V
240V
YELLOW
BROWN
ORANGE
RED
GRAY
J-<...a.-
\
6ry Use
screwdriver
for
adiustment
Fig.
4