Sharp RT-203H User Manual

SwiG,! SWLF,H
R
DECK2 (@]DECK2 PRE AMF. ~ ea
REC. /PB. HEAD Icrol Ts)
—. Ca)
+) @)
} o * B MUTING
SELECTOR Q701,702
swapd,f
MIC
SOURCE SW. wRIGs
TAPE/MIC RECORD LEVEL
CX) SW5A,8 BALANCE
RECORD LEVEL CONTROL
VR I01
LINE IN vR20l
MUTING
Q703,704
OO)
PB. HEAD
@
MPX
VR30!1 = -VR302
OECK2
TAPE SELECTOR
Swé, Sw9o
BIAS OSC
L301
ERASE HEAD
ba Q301, 302
DECK! PRE AMP.
Ic102
Qloi, 201
FLION, 201
EQUALIZER
CIRCUIT
Q103,105
Q203, 205
TAPE
SELECTOR
sw?
Q707, 708
MUTING
OOLBY Sw
sw3B
SOURCE SW
SWSF
REC AMP
Q106, 206
DECK2
TAPE SELECTOR
sw6,9
QIO7, 207
(cso,
swi2
OUBBING CONTROL
sw 6
Q401~ 0404
= START
OECK2
MUTING
Swi4
APSS CIRCUIT
Q8ol
3
SYNCHRONOUS
CIRCUIT
MUTING
Q705,706
DECK I
MUTING
swil
soul
APSS
SOLENOID
Q50! , $04, 507
Figure 5 BLOCK DIAGRAM
Be ae
LeD METER [®) +8
DRIVER
Ic6ot, 602 [6)
RT-203H(S)
INPUT /OUTPUT
PLUG
INPUT (L)
INPUT (R)
GND
OUTPUTIR) As) ® @
OUTPUTIL} (3) @)
GND m/ @
a
+8
+B
LINE OUT
DEO! ~ 610
, LEVEL METER
RT-203H(S)
Caution on Disassembly
Follow the below-mentioned notes when disassembling the
unit and reassembling it, to keep its safety and excellent
performance:
1. Take cassette tape out of the cassette holder.
2. Be sure to remove the input/output plug from the
receiver before starting to disassemble the unit.
. Take off nylon bands or wire holders where they need
be removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
STEP REMOVAL REMOVAL
3 Cassette Deck
mechanism
Cassette Deck
Mechanism
(Deck 2)
(E) x 1
Cassette Deck
Mechanism
(Deck 1}
Main PWB
Figure 6—4
DISASSEMBLY
(A) x2
04 x 8mm
(A) x1
$3 x 8mm: H (S/BK), E (BK)
$3 x 10mm: H (BR)
Figure 6—1
Chassis
Figure 6—3
Cabinet
(A) x2
4 x 8mm
o3 <x 6mm

Sharp RT-203H Specifications

General

Brand	Sharp
Model	RT-203H
Category	Receiver
Language	English