Technics SL-QL5 - Trouble Shooting; Using the Repair Table; Raising and Turning Over the Unit

m@ TROUBLE SHOOTING
1.
How
to
use
the
repair
table
(Fig.
26)
(@
Remove
the
bottom
board.
®
Remove
the
operation
circuit
board
and
connect
the
P.C.B.
ground
terminal
to
the
chassis
(Stator
frame.)
@)
Put
the
unit
on
the
repair
table.
@
Fit
the
turntable
platter
and
put
on
the
turntable
mat.
©)
Put
on
the
record
and
check
the
circuits
from
under
the
unit.
Repair Table”
Operation Circuit Board
Fig. 26
Hold the switch with
the tape.
2.
How
to
raise
the
set
(Fig.
27)
Note:
Turntable
platter
is
not
fixed
on
the
center
spindle.
Take
care
so
that
the
turntable
platter
will
not
come
loose,
Also,
take
care
allow
the
set
to
fall
down.
(@) Remove the bottom board.
@® Completely open the upper cabinet.
@) Hold the cabinet (Reset) switch with tape.
@) Fit the turntable platter.
(S) Raise the unit and check the circuits.
Operation
circuit board
Drive Circuit
Board
3.
How
to
turn
over
the
set
(Fig.
28)
Note:
This
purpose
is
to
check
the
voltage
of
each
circuit
during
stop
of
the
turntable.
@)
Remove
the
turntable
platter
and
turn
over
the
unit.
(2)
Remove the
bottom
board.
@)
Turn
the
power
switch
“‘on’’
and
check
the
voltage.