Sony str d 311 service manual

Page 2

Tuner section

FM tuner section

AM tuner section

Tuning range 87 5 - 108 MHz 530 - 1710 kHz
(10 kHz step)
531 - 1602 kHZ
(9 kHz step)

Antenna 300 ohms, balanced External antenna

terminals 75 ohms, unbalanced terminal

Sensitivity at 18 3 dBl. 4.5 (N (mono)

50 dB qwetlng 38.3 dBl. 45 av (stereo) A

(US and

Canadian

models) and

46 dB

(UK. E.

Australian

model)

Usable 11 2 dBi. 2 (JV (IHF) Loop antenna:

sensitivity 500 (N (at 1000 kHz)

Signal-to-noise
ratio

76 dB (mono)
70 dB (stereo)

54 dB (at 50 rriV/rn)

Harmonic 0.3% (mono), O 5% 0 5% (at 50 mV/m,
distortion (stereo) at 1 kHz 400 Hz)
Selectivity 60 dB at 400 kHz 40 dB at 10 kHz
Separation 45 dB at 1 kHz -
Frequency 30 Hz - 15 kHz -
response 3; GE

General

System

Tuner section: PLL quartz-looked digital
synthesizer system
Preamplilier section: low-noise NF type equalizer amp
Power amplifier section: pure complementary SEPP
Power requirements
US. Canadian model : 120V AC, 60Hz
UK, Australian model : 240V AC, 50Hz
E model : 120V. 20V or 240V AC, adjustable SOIGOHZ
Power consumption
US model: 135 W
Canadian model: 150 W
UK, E, Australian model: 125 W
In standby condition: 5 W
AC outlet
US and Canadan models : One switched (120W/1A Maxi)
Australian model: 100 W swuohed
E model :One switched (100 W Max.)
Dimensmns
Approx. 430 x 135 x 295 mm (w/h/d)
(17 x 5 3/. x 11 5/B inches)
including projecting parts and controls
Weight
Approx 6.2 kg (13 lb 1 oz)
Accessories supplied
FM wire antenna (1)
AM loop antenna (1)
Flemote commander FiMrS103 (1)
Sony batteries SUMa3(NS) (2)

Damon and specifications are subject to change Without notice.

SAFETYeRELATED COMPONENT WARNING]!

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

TABLE OF CONTENTS
Section m Ease

SECTION 1. GENERAL
Identifying the Parts and Controls ......

SECTION 2. DIAG FIAMS
2-1. Circuit Boards Location
2-2, Semiconductor Dead Layouts
2-3, Block Di agram
2-4. Printed Wiring Board ~- Main Section -
2-5. Schematic Diagram - Main Section -
2-6, Printed Wiring Board - Display Section 7
2-7. Schematic Diagram - Display Section -
2-8. IC Block Diagrams

SECTION 3 ' EXPLODED VIEWS
3-1. Front Panel Section
3-2. Chassis Section

SECTION 4. ELECTRICAL PARTS LIST...

MODEL IDENTIFICATION
~Model Number Label-

SONYo MODEL No. STFI-D311
FM STEREO/FM-AM RECEIVER

WWW

US, Canadian model :AC 120V, 60Hz, 135W (US), 150W (CND)
UK, Australian model : AC 240V, 50Hz
E model : AC 120V. 220/24DV, 50/60Hz, 125W

ATTENTION AUCOMPOSANT AYANT RAPPORT
A LA SECURITEI

LES COMPOSANTS IDENTIFIES PAR UNE MARGUE A
sun LES DIAGRAMMES SCHEMATIQUES ET LA LISTE
DES PIECES SONT CRITIQUES POUR LA sEcumTé
DE FONCTIONNEMENT. NE REMPLACER ces COM-
POSANTS oUE PAR DES PiEces sonv DONT LES
NUMéRos son-r DONNES DANS cs MANUEL ou
DANS LES SUPPLEMENTS PuaLIEs PAR soNv.