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Pioneer TX-520 Service Manual

Pioneer TX-520
30 pages
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STEREO
TUNER
o
This
service
manual
is
applicable to the KU type.
o
When repairing
the
YP,S
and S/G
types,
please
see
paç
25.
o
Ce
manuel
d'instruction
se refère
au
mode
de réglage, en français.
o
Este
manual de servicio
trata del método
de ajuste escrito en espafrol.
1.
2.
3.
4.
5.
6.
7.
8.
9.
ELECTRICAL PARTS
LIST
10.
EXPLODED VIEW
11.
PACKING
12. ADJUSTMENTS
nÉcuce
AJUSTE
ADDITIONAL
SE RVICE MANUAL
(FOR
YP,S AND S/G TYPES)
ORDER
NO.
ART-653-O
MODEL TX€20
COMES
IN
FIVE VERSIONS
DTSTINGUISHED
AS FOLLOWS;
Type
Voltage
Remarks
KU
AC1 20V
only
U.S.A.
model
YP
AC240V
only
Australia model
s/G AC1 10V,
12OV,22OV
and
24OY
(Switchabte)
U.S,
Military model
s ACI 10V.120V,
22OV
and24OV
(Switchabtel
General export
model
ss AC110V,
12OV,22OV and
240V
(Switchablel
Soutch Africa model
CONTENTS
SPECIFICATIONS
FRONT
PANEL FACILITIES
.
BLOCK DIAGRAM
CIRCUIT
DESCRIPTIONS
PARTS LOCATION
DIAL
CORD STRINGING
P.C.
BOARDS CONNECTION DIAGRAM
SCHEMATIC DIAGRAM
2
3
4
4
5
6
7
I
11
13
14
15
18
21
25
PICINEEFI ELEGTFICINIC CCTFIPCIFIATICIN
4-1.
Mesuno
1-chome.
Mesuno-ku,
Tokyo
1s3.
Jêp6n
U.a.
FfCINIIE| IIICTF|CINIC3 CC'FIFC,F|AIIC'N
€'5 Oxf o.d Odve. Moonechre. New Je€ey O7O74,
U
S A
Plcrl\lllFl
ILCCTFICINIC
(E!,FIC,PE,
N.V. Lurchagen-H6ven
9,
2O3O AnEwerp, Elelgrum
FfCrTvllF| ILICTF|CINaCa
ALTaTFIALIA PTY. LTEI.
17A-1e4
Boundê.v
Floêd. Eln6esrde. VicEonr6 3195.
Au6b6li6
=H@
MAR.
1981
Printed
in
Japan

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Pioneer TX-520 Specifications

General IconGeneral
Tuning TypeAnalog
Frequency Range AM/MW530 - 1605 kHz
Signal to Noise Ratio FM70 dB
Signal to Noise Ratio AM/MW50dB
Distortion FM0.3%
Tuning BandsFM
Tuning ScaleAnalog
Frequency Range FM87.5 - 108 MHz
Sensitivity AM/MW20 µV
Frequency Response30 Hz - 15 kHz
Dimensions420 x 132 x 290 mm
Semiconductorstransistors
Power SupplyAC 220/240V, 50/60Hz

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