Sharp ICC-80 User manual
SPECIFICATIONS
Frequency
Range
AM)
scnsewsxeesnncrsencssnsenes
520
~
1620
kHz
EM.
sssssnvoscsnwceverensce
a
87.6
~
108
MHz
Iitermeiiate
Frequency
AM
..ccsmsmisannaccenenmenes
452
kHz
i
eet
10.7
MHz
Power
Output
Undistorted
a
isssvssvsss
3.5W+3.5W
,
Maximum
........ssceseeeee
SW
+5W
CHE
ccoavwansnvennasonnnnwnnen
16cm
P.D.S.
4
ohm
with
speaker
;
boxes
(CP-23x2).
Power
Supply
........seseeees
DC
12V
Car
battery
(tground
changeable)
Dimensions
........seeseeeee
.
16cm
(W)
x
5cm
(H)
x
16cm
(D)
Weight
sccvanswnauneeccmnmnaen
1.9
Kg
Controls
.....0.ceeceeeeeeeee
Manual
tuning
(ight),
|
Off-volume
(left)
Function
push
button
(pre
setting),
|
Tone
(left),
Balance
(right).
Other
Features................
AM/FM
band
indicator,
Stereo
indicator,
Lighting
dial,
FM
MONO-STEREO
auto
changer.
iC
Complement
ICel,
SR-DOB
.....xsccveans
FM
Multiplex
TE2
TO-008
...
.cccsssosenens
.
Audio
Amplifier
&
Driver
TOS
NOE
BOG
wavercancynerness
Audio
Amplifier
&
Driver
Service
Manual
Ql
Q2
Q3
Q4
Qs
Q6
Q7
Q8
Q9
Q10,Q11
2SC458®)
...
Q12,Q14
28C1013®).
Q13,Q15
2SC1013®).
MODEL
ICC-80
a
i
a
a
a
i
i
a
a
le
TRANSISTOR
COMPLEMENT
QSCSSSD)
sccrarevesus
FM
RF
Amplifier
28C535@)
ee
FM
Mibxer
PSCA6IB)
wesvcmcevns
FM
Oscilla
2SC460@)
«......s000
_
FM
Ist
IF,
AM
ist
IF
Amplifier
2SC460B)
......s.ee0e
EM
2nd
IF,
AM
2nd
IF
Amplifier
2SC460A)
...cecsseeee
FM
3rd
IF
Amplifier
2SC460@)
.........
FM
4th
IF
Amplifier
2SC460B)
.....e0
AM
RF
Ampiifier
2SC460@)
.......000
AM
Converter
FM
Canceller
Audio
Output
(Matched
Pair)
Audio
reaps
ad
(Maines
Pair)
molifier
COTLCND
kr
ace
ye
AA
APM
OLTN
Ulo
LHUS4I
6)
ccevevencees
STEREO
Lamp
Ampiiier
CHASSIS
REMOVAL
_
Remove
the
screws
retaining
the
top
and
bottom
covers
on
the
cabinet,
and
then
remove
the
top
and
bottom
covers.
,
.
Remove
the
lead
wire
and
condenser
connecting
chassis
to
the
printed
circuit
board.
.
Remove
the
screw
retaining
the
radiation
panel
on
the
back
of
the
cabinet.
_
Remove
the
screws
retaining
the
printed
circuit
board.
.
Remove
the
printed
circuit
board
from
the
cabinet.
SHARP
CORPORATION
osaka,
JAPAN
GENERAL
DESCRIPTION
The
circuitry
used
in
this
car
radio
incorporates
16
transistors
18
diodes
and
3
IC
(integrated
circuit).
An
external
antenna
feeds
the
AM
broadcasting
signal
to
the
converter.
The
AM
signal
then
goes
through
2
IF
amplifiers
to
the
diode
detector
and
then
to
the
audio
stages.
|
|
An
external
antenna
feeds
the
incoming
FM
or
FM
STEREO
broadcasting
signal
to
the
FM
RE
amplifier.
The
FM
mixer,
4
IF
amplifiers,
2
diodes
discriminator
and
multiplex
(MPX)
circuitry.
The
audio
signal
passes
through
the
2
IC
and
push-pull
audio
output
stages
for
each
channel.
An
AM
AVC
voltage
is
fed
back
to
the
RF
amplifier
and
Ist
IF
amplifier
circuit.
An
AFC
voltage
is
fed
back
to
the
FM
oscillator
circuit.
h
FM
FM
DETECTOR
iF
TE
AMP
Kee
re
eae)
aes
406)
TS
{07
6
|
T7
aT
|
osc.
(93
|
fal
FM
at
Py
[|
TAM
DETECTOR
AMRF
AMP
—
AM
CONV.
[+
e(ae
tw
Hae)
MP
,
.
—
a
RIGHT
SCA
FILTER
in
puTL+
qi2
}
a]
|
-—
gf
=
TRANS
)
I9kHz
LIS
a
—_—
IC-2
ai
“bes
|
JRIGHT
ikea
po
Die
|JVMOCMULUL
POWER
AMP.
LEFT
SPEAKER
fc
‘
I
1
I
I
t
;
t
ROekAAA
ht
ATAR
-
8h
t
$
I
1
i
i
'
ee
—
a
vy
cen
em
to
on
om
——
<<
=
on om
ap
CANCELLER
VOLUME
TONE
(o
|
CONTROL
CONTROL
STELEO
PRE
AMP
|
ic
—I
STEREO
IND.
IND.
PL-3
%
DRIVER
POWER
AMP.
Figure
1
Block
Diagram
ALIGNMENT
INSTRUCTIONS
Should
it
become
necessary
at
any
time
to
check
the
alignment
of
this
receiver,
proceed
as
follows;
1)
Connect
an
output
meter
across
the
speaker
voice
coil
lugs.
2)
Set
the
volume
control
to
maximum.
|
3)
Attenuate
the
signals
from
the
generator
enough
to
swing
the
most
sensitive
range
of
output
meter.
4)
Use
anon-metallic
alignment
tool.
5)
Repeat
adjustments
to
insure
good
results.
AM
ALIGNMENT
CHART
|
pene
generator
Receiver
| ,
Adjustment
a
Connect
signal
generator
Exactly
452kHz
(400Hz,
The
highest
frequency
Adjust
for
maximum
through
a
dummy
to
the
30%,
AM
modulated)
range.
-
output
on
speaker
T8
external
antenna.
|
‘voice
coil
lugs.
|
Ground
lead
to
the
° .
OaiwaAt
oo1d
oULIe
ah
UOLVOL
ii
rr
i
(Refer
to
Fig.
2)
Same
as
step
1
Exactly
515kHz
(400Hz,
The
lowest
frequency
Same
as
step
1
30%,
AM
modulated)
range,
Same
as
step
1
Exactly
1650kHz
(400Hz,
Same
as
step
1.
Same
as
step
1
|
30%,
AM
modulated)
:
Same
as
step
1
Exactly
1400kHz
(400Hz,
1400kHz
Same
as
step
1
C63,
C70
30%,
AM
modulated)
Repeat
steps
2,
3
and
4
until
no
further
improvement
can
be
made.
R
ISPF
TO
ANTENNA
SOCKET
R=
80-Z
(ohm)
Z7=
OUTPUT
IMPEDANCE
OF.
65
PF
SIGNAL
GENERATOR
TO
CHASSIS
GROUND
Figure
2
AM
Dummy
FM
ALIGNMENT
CHART
Be
generator
Receiver
‘A
ajus
aie
Connect
signal
generator
re
4
Exactly
10.7MHz
The
lowest
Connect
VITVM
(0.1
a
1000
PF
capacitor
to
converter
—
(400Hz,
30%,
frequency
range.
voit
range
DC
scaie)
T4
emitter,
test
point
TP1
of
Q2.
FM
modulated)
between
TP2
and
T3
Connect
generator
ground
lead
to
chassis
ground,
T2
the
receiver
chassis.
| |
Tl
Same
as
Step
1
Exactly
10.7MHz
Same
as
Step
1.
Connect
VIVM
(0.1
1
(Unmodulated)
volt
range
DC
scale)
T6
|
between
TP3
and
chassis
ground,
(See
NOTE
A)
3
-
Connect
signal
generator
through
Exactly
87.1MHz
Same
as
Step
1.
Adjust
for
maxi-
C25
a
dummy
including
output
inpe-
(400Hz,
30%,
,
mum
output
at
.
dance
of
signal
generator
to
the
FM
modulated)
7
speaker
voice
coil.
external
antenna.
Ground
lead
of
generator
to
the
receiver
chassis.
(Refer
to
Figure
3)
4
Same
as
Step
3.
|
Exactly
98MHz
The
highest
Same
as
Step
3.
(400Hz,
30%,
frequency
range.
C9
|
FM
modulated)
(98MHz).
|
5
Repeat
steps
3
and
4
until
no
further
improvement
can
be
made.
NOTE
A:
1.
Connect
VTVM
(0.1
volt
range
D.C.
scale)
between
TP3
and
chassis
ground.
2.
Adjust
T6
for
0
volt
reading
on
VTVM.
3.
Change
signal
generator
frequency
10.7MHz
+
100kHz
and
—100kHz
approx.
4.
Adjust
T7
for
balanced
peaks.
Peak
separation
should
be
approx.
200kHz.
on
i
™
OA
VW
AIN
ree
ae’
(ohm)
UR12
50
(ohm)
Re
SOlohmM),
25.50
(ohm)
TO
CHASSIS
GROUND
Figure
3
FM
Dummy
.
Adjust
R80
for
balance
between
the
two
readings.
FM
STEREO
ALIGNMENT
SCA
Trap
Filter
(L14)
Adjustment
Connect
the
signal
generator
to
TP3
through
a
10
MFD
capacitor.
Set
the
frequency
of
the
signal
generator
te
between
65kHz
—
67kHz.
3
Si
Connect
the
VIVM
to
TPS.
Set
the
VIVM
swing
to
minimum
by
adjusting
L14.
| |
|
x
ae
19kHz
Alignment
as
cea
IFA
z
g
f
Oo
a
Connect
the
signal
generator
to
TP3
through
a
1OMFD
capacitor.
|
:
°
{la
Z
Set
the
frequency
of
the
signal
generator
to
19kHz.
zu
Connect
the
VTVM
to
TP4.
Set
the
VTVM
swing
to
maximum
by
adjusting
L15,
L16.
|
Fe
:
ue
Separation
Ratio
a
a
al
2a
ee
~~
Connect
an
FM
Stereo
simulator
to
the
antenna
socket
through
the
FM
aay
re
6
©
di
=
52
Connect
a
VT
VM
accross
left
speaker.
re
oe
Feed
in
right
channel
signal
only.
o-
rf
EF
a
Adjust
L15
and
L16
for
minimum
reading.
Note
reading.
s
Es
z
Set
stereo
simulator
to
left
channel
signal
only.
.
ies
a
o
Connect
a
VIVM
across
right
speaker.
a
te
.
”
Repeat
steps
2,
3,
5,
6
and
7
to
obtain
equal
readings
and
more
than
30dB
difference
between
channels.
ON
VOLUME
(9K-597)
SCREW
pe
an
a
=
ae
TONE
Jt
eee
POLARITY
SELECTER
We
(9K-580)
a
UY
BCE
:
Qi~Qil,
Qié
2SC460
CBE
2SC46!
2SC
458
|
2SC535
;
:
|
|
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2SCIOI3®@
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Figure
4
Transistor
Basing
|
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Lid
L15
LIG
4L-937
4L-935
4L-934
Figure
5
Transformer
Bottom
View
Figure
6
Chassis
Layout
Q15
O13
Q14
Qle
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ALOR
ELLIO
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7
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of
P.C.
Board
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RF
AMP
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NOTES.
FREQUENY
RANGE
FM
88—
109MHz
AM
515
—
1640
kHz
|
F
FM
10.7
MHz
AM
452
kHz
CAPACITOR
VALUES
ARE
IN
M.F.
D.
RESISTOR
VALUES
ARE
IN
OHM.
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=
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SW-6
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9
Component
Side
of
P.C.
Board
|
|
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|
I
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a
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a
|
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VOLUME(R)
PARTS
LIST
REFNO.
|
PART
NO.
DESCRIPTION
-_
R49,R53
R6,R7,
R12,R58,
R84,R85
R8
RI
R10
R11,R95
R13,R14,
R52,R57
R15
|
R16
‘1R17,R76,
R77
1A
DA
Tl
Oo
KRLI,RZ6,
R33,R40,
R48,R96,
R97
R20,R39,.
R41
R21,R44
R22
R24,R46,
R61,R70,
R71,R99,
R100
R26
R30,R98
R34,R74,
R75.
R37,R64,
R65
R51
R54
R56,R60,
R66,R67,
R68,R69,
1/4SU-1KK
1/4SU-10KK
1/4SU-S6KK
1/4SA-1KK
1/4SU-2,2KK
1/4SU-4.7KK
1/8SU-1KK
1/4SU-4.7KK
1/8SU-22KK
1/4SU-220K
1/4SU-100KK
1/8SU-100K
1/8SU-680K
1/4SU-3.3KK
1/4SU-100K
_
1/4SU-470K
1/4SU-33KK
1/4SU-1.5KK
1/4SU-47KK
1/4SU-6.8KK
1/4SU-5.6KK
1/4SU-470KK
1/4SU-150KK
1/8SU-10KK
1/4SU-220KK
1/4SU-22KK
|
RESISTORS
10K
ohm
56K
ohm
1K
ohm
2.2K
ohm
4.7K
ohm
1K
ohm,
1/8W,
10%,
Carbon
4.7K
ohm
22K
ohm,
1/8W,
10%,
Carbon
220
ohm
100K
ohm
100
ohm,
1/8W,
10%,
Carbon
680
ohm,
1/8W,
10%,
Carbon
3.3K
ohm
100
ohm
|
470
ohm
33K
ohm
1.5K
ohm
47K
ohm
6.8K
ohm
5.6K
ohm
470K
ohm
150K
ohm
10K
ohm
220K
ohm
22K
ohm
13
MODEL
ICC-80
1/4SU-22KK
1/4SU-330KK
1/4SU-15KK
8V-723
8V-554
1/4SU-33K
1/4SA-2.2KK
8V-886
8V-723
1/4SA-3.3KK
1/4SA-47K
C1,C3,
C13,C39
C2,C8
C3,C16,
Ci8,Ci9,
C22,C26,
C31,C55,
C67,C68,
C76,C77,
C78,C135
¢
C6,C15,
|
C17,C36
C12
C9
Cll
C14
C20,C61
D-5-108D
D-5:228]
D-5-105Z
D-5-106Z
D-5-106M
TO-839
D-5-688J
D-5-398]
C80,C86,
C103
C24
C23,C28,
|
|
i
CU1.6-102Q
D-5-338J
C29
,C65,
C118,C119
C141
C24
C25
C27
C30,C33,
D-5-106M
DUJ-5-3093
TO-705
DWK-5-409C
C38,C41,
C43,C44,
C45,C46,
C47,C49,
C59,C72,
|
D-5-105M
22K
ohm
330K
ohm.
15K
ohm
50K
ohm,
Pot.,
Stereo
Indicator
Level
Adjust
5K
ohm,
Pot.,
Cancelier
33
ohm
2.2K
ohm
Volume
(50K
ohm,
Pot.,)
and
veg
sy
wae
Tone
(30K ohm,
Pot.,)
Control
50K
ohm,
Pot.,
Balance
Control
20K
ohm,
Pot,
Balancer
of
Level
Adjust
3.3K
ohm
47
ohm
10PF,
50V,
+0.5PF,
Discap
22PF,
S50V,
+5%,
Discap
O1MFD,
SOV,
Discap
OOIMFD,
50V,
Discap
.0OO1MFD,
50V,
+20%,
Discap
Trimmer,
FM
RF
68PF,
50V,
5%,
Discap
39PF,
50V,
5%,
Discap
10MFD,
16V,
Electrolytic
33PF,
50V,
5%,
Discap
OOIMFD,
50V,
+20%,
Discap
3PF,
50V,
£5%,
Discap
Trimmer,
FM
Oscillator
APF,
50V,
+0.25PF,
Discap
.OIMFD,
50V,
420%,
Discap
All
resistors
without
specification
are
1/4W,
10%,
Carbon
type
|
CAPACITORS
Wie
Tt
Lod
yt
C126,C127)
C132,C133
C134
C136
PART
NO.
DESCRIPTION
C81,C90,
C104
ibs
|
D-5-105M
|
OIMFD,
50V
420%
Discap
C128,C129
|
C32
D-5-309C
3PF,
50V,
t0.25PF,
Discap
coseas
D-5-225Z
.022MFD,
50V,
Discap
C37,C52,
|
2.100,
|
CU2.5-473R
|
4.7MED,
25V,
Electrolytic
C113,——Cti«C*WY
C40
DS-5-1575
|
150PF,
50V,
£5%,
Discap
C42,C48
|
D-5-159C
1.5PF,
50V,
+0.25PF,
Discap
C50,C140
|
D-5-209D
_|
2PF,
50V,
40.5PF,
Discap
re
i
}
p.5-335P
|
.033MFD,
SOV,
Discap
C53
D-5-227]
220PF,
50V,
£0.5%,
Discap
C54,C58
|
AD-06-224M
|
.22MFD,
6.3V,
420%,
Electrolytic
C56,C57,
ota
cies,
ML-5-225M
|
.022MED,
SOV,
+20%,
Mylar
€130,C131
C60
AD-06-474M
|
.47MED,
6.3V,
+20%,
Electrolytic
C62
CU-1-1010
|
100MFD,
10V,
Electrolytic
C63
XTO-707
Trimmer,
AM
Antenna
C66
$-5-156]
,001SMFD,
SOV,
+5%,
Styrol
C69.
D-5-1073
LOOPF,
SOV,
£5%,
Discap
C70
TO-846
Trimmer,
AM
RF
C71C83,
VW
s.5.1067
|
.OOIMFD,
SOV,
+5%,
Styrol
C73,C138
|
ML-5-476M
|
.0047MED,
50V,
+20%,
Mylar
C74
DRH-5-187J
|
180pF,
50V,
+5%,
Discap
C75
TO-846
Trimmer,
AM
Oscillator
C87
S-5-105J
|
.OIMED,
SOV,
+5%,
Styrol
C88
CU-5-103R
|
IMFD,
SOV,
Electrolytic
C89
S-5-476]
0047MED,
50V,
+5%,
Styrol
C92
CU-06-101Q9
|
100MFD,
6.3V,
Electrolytic
C33C94
})
5-5-3973
|
390PF,
SOV,
45%,
Styrol
C97
CU-1-1010
|
100MFD,
10V,
Electrolytic
1
698,099
|
C1iac1is
|
D-5-226M
=
0022MED,
SOV,
£20%,
Discap
C102,
D-5-476M
__|
.0047MED,
SOV,
420%,
Discap
C106,C107}}
|
C108C109.4
AD-06-104M
|
.IMED,
6.3V,
+20%,
Electrolytic
C110.C111
C116,C117:
CIDA
CINE
a
rolvtic
470MED,
25V,
Electrolytic
CU2.5-221Q
|
220MFD,
25V,
Electrolytic
CU1.6-100Q
|
1000MFD,
16V,
Electrolytic
PACKAGED
CIRCUITS
CU2.5-471Q-
Ml
PRC-403
Capristor
|
M2,M3
PRC-413
_
Capristor
L10,
Li2
L3
LS
L6
L7
|
|
7L-654C
COILS
AND
TRANSFORMERS
Coil,
FM
antenna
©
Coil,
Tuning
assembly
L2,L4,L8
FM
Tuning
L9
110,
L12
AM
Tuning
Coil,
FM
RF
Coil,
FM
RF
|
Coil,
FM
Choke
©
Coil,
FM
Oscillator
Coil,
MW
Oscillator
Coil,
MW
Oscillator
TL-630C
XSPT-932
TL-984
TL-925
8L-335B
7L-906
TL-490B
.
|
REF.NO.
|
PART
NO.
DESCRIPTION
Eo
T10,Til
Q9
Q10,Q11
Q12,Q14
Q6
Q7
Q8
aa
D10,D11,
D12,D13__
D14
D15,D16,
}
D17,D18
14
ES
SP
ee
YER
AERA
DEC-P4144B
4L-937P
Coil,
MPX
67kHz
Trap
4L-935
Coil,
FM
MPX
19kHz
4L-934
Coil,
FM
MPX
38kHz
Signal
Detector
7L-920
Coil,
Antenna
Choke
7TIF-750
Transformer,
FM
ist
IF
7TIF-750
Transformer,
FM
2nd
IF
TIF-835
Transformer,
FM
3rd
IF
TIF-835.
Transformer,
FM
4th
IF
7IF-820
Transformer,
FM
5th
IF
7IF-821
Transformer,
FM
Discriminator
CFT-A991
Transformer,
AM
Ist
IF
8IF-701
Transformer,
AM
2nd
IF
6T-828
Transformer,
Audio
Input
9T-740
Transformer,
Power
Choke
SEMICONDUCTORS
28C535@)
‘|
Transistor,
FM
RF
Amp.
2SC535(A)
Transistor,
FM
Mixer
28C46
1)
Transistor,
FM
Oscillator
2SC460(A)
Transistor,
FM
Ist
IF/AM
Ast
IF
Amp.
2S8C460(8)
_‘|
Transistor,
FM
2nd
IF/AM
2nd
IF
Amp.
2SC460@)
Transistor,
FM
3rd
IF
Amp.
28C460
Transistor,
FM
4th
IF‘Amp.
28C460
Transistor,
AM
RF
Amp.
2SC460(A)
Transistor,
AM
Converter
28C45
8)
Transistor,
FM
Canceller
28C1013(k)
|
Transistor,
Audio
Output
(Matched
Pair)
28C1013(Q)
|
Transistor,
Audio
Output
a
(Matched
Pair)
28C458©)_|
Transistor,
FM
STEREO
Indicator
IN34A
Diode,
AM
AVC
IN34A
_
Diode,
AM
Detector
1N60
Diode,
FM
Discriminater
IN34A
Diode,
FM
AVC
i885
Diode,
FM
AFC
HV-46
|
Diode,
Regulator
1IN34A
Diode,
AM
AVC
TR-7S
Diode,
Zener
(Power
Voltage
Stabilizer)
IN60
Diode,
MPX
Switching
Diode,
MPX
Indicator
Lamp
(Rectifier)
Diode,
Varistor
(AOC)
MISCELLANEOUS
X9CAB4312A
9CAB-4312B
9K-579
Cabinet,
Body
Cabinet,
Bottom
Knob,
On-Off
Volume
|
Control
and
Tuning
Control
Knob,
Tone
and
Balance
Control
Dial
Panel,
Decoration
Backplate,
Dial
Dial
Plate,
Front
Dial
Plate
Decoration
Metal
Decoration
Plate,
Right
Decoration
Plate,
Left
Decoration
Cover
Pilot
Lamp
(Red,
Green)
9K-580
DIAL-4312
PANEL-4144
DIALP4312B
XDIALP312A
DIALP4144A
DEC-M-4144
DEC-P4144A
PL-DEC-COV
}
REF.NO._
PART
NO.
DESCRIPTION
—_
S-BUTA43
12
DIAL-BANE
PL-DEC-COV
|
PCB-4312A
PCB-4312B
SO-950
PG-429
FH-927
HON-P4312
368-32
3PL-503
3FUSE-2.34
ACC-737
XCP-23-2
3CAB-4462
XSPT-932
16P-35A
T-951
ACC-735
SO-801
SO-099
Cover,
Bottom
Spring,
Dial
Decoration
Cover,
Pilot
Lamp
(White)
Printed
Circuit
Board
Printed
Circuit
Board,
Power
Circuit
Socket,
Polarity
Selector
Plug,
Polarity
Selector
Holder,
Fuse
Plate,
Heat
Sink
Switch,
Band
Selector
Pilot
Lamp
Fuse,
2.3A
—
Cord,
Speaker
Box,
Speaker
Cabinet,
Speaker
Box
Tuner
Speaker
Terminal,
Speaker
Cord
Cord,
Speaker
(30cm)
Socket,
External
Antenna
Socket,
DIN
15
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