Sony ST A70 Service Manual

Page 1

ST-AIII

SERVICE MANUAL E Model

Australian Model
Tourist Model

° This set is the TUNER section in LBT-ASO/ASOCD/ASOCDM/AGO/AGOCD/AGOCDM/A70/A7OCD/A7OCDM,

SPECIFICATIONS
System FM stereo Power requirements 240 V AC. 50/60 Hz
FMlAM superheterodyne tuner Power consumption 10 W
FM tuner section AC outlet 2 switched total 450 W max.
Tuning range 87.5 to 108 MHz Weight Approx 27 kg (6 lbs 5 oz)
Antenna 75 ohms unbalanced Dimensrons Approx, 355 x 95 x 310 mm
Intermediate Irequency 107 MHZ (14 X 33/x 12]: inches)
AM tuner section (w/h/d, including projections)
Tuning range MW: 531 to 1,602 kHz
LW: 15310 279 kHz
Antenna AM loop antenna Design and specifications are subject to change without notice.
External antenna terminal
Intermediate frequency 450 kHz Note

This appliance conforms wrlh EEC Directrve 87/308/EEC regarding
inlerlerence suppression,

FM STEREIl/FM-AM TIMER TUNER

SONY;

Page 2

ST-A7O

SECTION 1

GENERAL

This section is extracted
from instruction manual,

Location of Controls

SYSTEM POWER switch (8)
Buttons for setting the clock and timer (40, 42)
Display window

MEMORY button (14)
MEMORY SCAN button (16)
AUTO TUNING button (12)
DISPLAY buflon (16, 40)
Numeric buttons (14)

BAND selector (12)
STIMUTE button (12)
TUNING +/' buttons (12)
SHIFT buttons (A, B, C) (14)
CHARACTER button (15)
Remote sensor

SLEEP button (41)

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71

SAFETV«RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BV MARK A 0R DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL T0 SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONYA