Disassembly; Voltage Selection (Wq-272H Only) - Sharp WOQ-272H(R) Service Manual

4
Caution on Disassembly
Follow the below-mentioned notes when disassembling the
unit and reassembling it, to keep its safety and excellent
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.
L7
Vee
OUT Veco .
a swi-o S
oO © © YT OOO ©
3. Take off nylon bands or wire holders where they need
to be removed when disassembling the unit. After servic-
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 = |
Figure 5 BLOCK DIAGRAM
(Q)x1
—5— =6— Figure 6—4