Technics SL-BD22D Service Manual

@
CONTENTS
SAFETY PRECAUTION ----
LOCATION OF CONTROLS
DISASSEMBLY INSTRUCTIONS --
MEASUREMENTS AND ADJUSTMENTS
TROUBLESHOOTING --
BLOCK DIAGRAM
CIRCUIT BOARD AND WIRING
CONNECTION DIAGRAM
EXPLODED VIEW
REPLACEMENT PARTS LIST
SCHEMATIC
DIAGRAM
“10
PACKING
-
@
SAFETY
PRECAUTION
_
cthis
‘safety
precaution”
is
applied
only
in
U.S.A.)
1,
Before
servicing,
unplug
the
power
cord
to
prevent
an
electric
shock.
2. When replacing parts, use only manufacturer's recommended components for safety.
3. Check the condition of the power cord. Replace if wear or damage is evident.
4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc.
5.
Before
returning
the
serviced
equipment
to
the
customer,
be
sure
to
make
the
following
insulation
resistance
test
to
prevent
the customer
from being exposed
to a shock hazard.
e@ INSULATION RESISTANCE TEST
1.
Unplug
the
power
cord
and
short
the
two
prongs
of
the
plug
with
a
jumper
wire.
2. Turn on the power switch,
3.
Measure
the
resistance
value
with
ohmmeter
between
the
jumpered
AC
plug
and
each
exposed
metal
cabinet
part,
such
as
screwheads,
antenna,
control
shafts,
handle
brackets,
etc.
Equipment
with
antenna
terminals
should
read
between
3MQ
and
5.2MQ.
to
all
exposed
parts.
(Fig.
A)
Equipment
without
antenna
terminals
should
read
approximately
infinity
to
all exposed
parts. (Fig. 8)
Note:
Some
exposed
parts
may
be
isolated
from
the
chassis
by
design.
These
will
read
infinity.
Antenna
terminal
Exposed Exposed
metal metal
part part
Ohmmeter
Onmmeter
(Fig. A) (Fig. B)
Resistance
=
3MQ—5.2MQ
Resistance
=
Approx
oo
4.
If
the
measurement
is
outside
the
specified
limits,
there
is
a
possibility
of
a
shock
hazard.
The
equipment
should
be
repaired
and
rechecked
before
it
is
returned
to
the
customer
ll ACCESSORIES
Note: Configuration of AC power supply cord differs according to area.
45-rpm adaptor (1)
Turntable mat (1) AC power supply cord (1) Stereo connection cable (1) Ground wire (1)
(SFWE212-01)
(SFTGB93M02EM)
yaorss
(E,
EG)
(SFDHBD2N01)
(SJPB7M)

Technics SL-BD22D Specifications

General

Brand	Technics
Model	SL-BD22D
Category	Turntable
Language	English