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ROD
ANTEMA
SWI-A
ICl
FRONT
SW ANT
FM
FM
OSC
LW
LW
ANT.
sw
osc
EXT.
BulLT-tN
WC,
OECK 2
REC/
P.B.Sw
OECX2
PRE.AMP.
IC201
swot
-D,c
FUNCTION
MUTING
0202
HEAD
DECK 1
DECK
PREAMP.
MUTING
0101.0102
PLAYBACK
HEAD
PLAY
1.VR702 NORMA€E%PEED
ERASE
HEAD
Sw6SJ
REC
BEA
CAKEL
osc.
Figure 5 BLOCK DIAGRAM
WQ-272H(R)
IC3
FM
IMAM
MIX.OSC.IF
VCC
CFS
MW OSC
LW
OSC
0401
FM STEREO
v.c.o.
POWER
TONE
VOLU
0504
MUTING
JSOI
TWEETER
RIPPLE
FILTER
WOOFER
POWER
IND.
MAIN
VR702
SW Sa-A
FUNCTtm
reot
D80t—oe04
vR704
sp
txnemG
AD
RECTIFIER
POWER
TRANSFORMER
BATTERY
9 V
WQ-272H(R)
Caution
on Disassembly
Follow
the below-mentioned
unit and reassembling it, to keep its safety and excellent
performance:
1.
Take cassette tape out Of the unit.
Be sure to remove the power supply plug from the wall
2.
outlet
before
starting
remove
the batteries
from
3.
Take off nylon bands or wire holders where they need
to be removed when disassembling the unit. After servic-
ing the unit, be sure to rearrange the leads where they
were before disassembl ing.
Take sufficient
care on static electricity
4.
circuits
and other circuits
STEP
REMOVAL
1
Front
Cabinet
I.
Dial
2.
Screw
.1
3.
Open the cassette holder
4.
Socket
2
Mechanism
Tape counter drive belt.
Block
2.
Screw
Socket
3.
3
Main
P.W.
1.
Knob
Board
2.
Tape counter drive belt.
3.
Screw.
Bracket.
4.
4
Tuner
P.W.
I.
Knob.
SP3.
Board
2.
Screw
3.
Bracket.
4.
Dial
5.
Screw.
6.
Hook
SPI.
5
Power Supply
Tip
P.W.
Board
2.
Screw.
Rotate the tuning control
to its extreme right (heighest frequency) position.
AC SOCKET
sow
VOLTAGE
(WQ-272H
ONLY)
Before operating the unit on mains, check the preset voltage.
If the voltage is different from your local voltage, adjust the
voltage as follows: Slide the AC power supply socket coverby
slightly loosing the screw to the visible indication of the side
of your local voltage.
DISASSEMBLY
notes when disassembling
the
to
dissassemble the unit
and
x 25mm
the unit.
(B)x3
é3x40rnm
of integrated
when servicing.
Front
Cabinet
PROCEDURE
FIGURE
Pointer
(B)x6
(C)x2
.
. (D)xl
Opush
(E)xl
6—3
. (F)x3
. (G)x4
. .
. (H)x2
(J)x2
. .
. .
(K)
(L)xl
. . .
. .
.(N)
.
cord.
. .
.
. (P)x2
(Q)xl
. .
.....
.
(S)x5
(E)xl
knob to move the dial
pointer
(K)
SELECTION
(S)X2
ö3XIOm
(R)X2
1600
Front
Cabinet
0
Figure 6—1
(C)xl
(C)xl
Figure 6—2
(F)x3
x I Omm
Mechanism
Block
Figure
(J)x2
ö3x8mm
(S)x2
I Omm
(H)x2
(l)xl
(G)x2
(P)x2
03 x I Omm
Main
p.W.B.
(M)xl
(L)xl
(G)x2
(0)
(N)
Power Supply
p.W.B.
Tuner
P.W.B.
(Q)xl
Figure
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