Sharp WOQ-272H(R) - Disassembly and Voltage Selection; Disassembly Precautions and Steps

WO-272H(R)
WQ-272H(R)
©
DISASSEMBLY
4
Caution on Disassembly
Follow the below-mentioned notes when disassembling the
unit and reassembling it, to keep its safety and excellent
ROD
ANTENNA
performance:
re 48
| i
'1. Take cassette tape out of the unit.
1c QUED Vee 2. Be sure to remove the power supply plug from the wall
ul C} (5) Tl
oy ae eee, ie ic a ened 6 outlet before starting to dissassemble the unit and
a MIX, AF . .
omel out Sar Qe @) @ ee te ey, remove the batteries from the unit.
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Vee
OUT Veco .
a
swi-o
S
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OOO
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3.
Take
off
nylon
bands
or
wire
holders
where
they
need
to be removed when disassembling the unit. After servic-
LW
ANT
FM
Lw
|
H
|
+B
MW
a)
LS
+B
|
4p
A
‘
=
at
olson
vi
Ms
ing
the
unit,
be
sure
to
rearrange
the
leads
where
they
MW
ANT
+8
VCO.
FM
STEREO
were
before
disassembling.
J
?
ee
is
ee
.
EXT.
Mic
MIC
AMP
|
4.
Take
sufficient
care
on
static
electricity
of
integrated
(asi
E
BOWER:
AME:
circuits
and
other
circuits
when
servicing.
Eg
Front Cabinet
+B TONE VOLUME
“4
maa
>
BUILT-IN
Mic.
(Hy
}oser
—
vRSO2
R504
Mechanism
| Block
|
a / 1
o—_/p-
DECK 2 SW20I-A,C,E,6
J501
REC/ PB.SW DECK2 PRE.AMP. HEADPHONES
c2'
21
SE
RECORD/PLAY BACK
HEAD
xy
Tuner P.W.
Board
TWEETER
ro SP3,
a sP4
—T
a
WOOFER
Ic201
@ Jo >
| SW5OI-D,c
WUTING FUNCTION
4 > (3) e201
Power Supply
P.W. Board
DECK! PRE.AMP.
37 IC 101
+.
3 *41,. Rotate the tuning control knob to move the dial pointer
to its extreme right (heighest frequency) position.
+B
Mechanism
© Block
MUTING
iol, ato2
PLAYBACK HEAD
Q
WAN,
SWSOI-A
FUNCTION
Q705
AC SOCKET
i VR704 HIGH SPEED DUBBING ADJ.
VR701, VR702 NORMAL SPEED DUBBING ADy.
(P)x2
3x10mm (K)
i
| RECTIFIER (M)x1 (L)x1
ows
=a
po
cbs
a
VOLTAGE
SELECTION
(six2
ee
—
74s
ee
E=ie
(WO-272H
ONLY)
acai
=
|
oes
sided
Oe
Before
operating
the
unit
on
mains,
check
the
preset
voltage.
ee
If
the
voltage
is
different
from
your
local
voltage,
adjust
the
voltage
as
follows:
Slide
the
AC
power
supply
socket
cover
by
slightly
loosing
the
screw
to
the
visible
indication
of
the
side
bankes
of
your
local
voltage.
P.W.B.
Figure 5 BLOCK DIAGRAM
(Q)x1
—5— =6— Figure 6—4