Sony STR-D311 Service Manual

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)
1
300 ohms, balanced External antenna
75 ohms, unbalanced terminal
Sensitivity at | 18.3 dB, 4.5 nV (mono)
50 dB quieting! 38.3 dBf, 45 wV (stereo) —
(US and
Canadian
models) and
46 dB
(UK, E,
Australian
model)
terminals
11.2 dBi, 2 pV (IHF) Loop antenna:
sensitivity 500 pV (at 1,000 kHz)
76 dB (mono) 54 dB (at 50 mV/m)
Signal-to-noise
ratio 70 dB (stereo)
Harmonic 0.3% (mono), 0.5% 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 12° dB
General
System
Tuner section: PLL quartz-locked digital
synthesizer system
Preamplifier 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, 220V or 240V AC, adjustable 50/60Hz
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 Canadian models : One switched (120W/1A Max.)
Australian mode!: 100 W switched
E model : One switched (100 W Max.)
Dimensions
Approx. 430 x 135 x 295 mm (w/h/d)
(17x 5%, x 11°, inches)
including projecting parts and controls
Weight
Approx. 6.2 kg (13 Ib 1 0z)
Accessories supplied
FM wire antenna (1)
AM loop antenna (1)
Remote commander RM-S103 (1)
Sony batteries SUM-3(NS) (2)
Design and specifications are subject to change without notice.
SAFETY-RELATED 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 BY SONY.
TABLE OF CONTENTS
ection Title Page
SECTION 1. GENERAL
Identifying the Parts and Controls .......c.cccceessssececeeceteeeesesenecesseeeeeceeeerseeenes 3
SECTION 2. DIAGRAMS
2-1. Circuit Boards Location... ccccssccsseesececeeceeeseeeeseceaecnaneaeearees 5
2-2. Semiconductor Lead Layouts .0..........cccceeeececeeeneeereteteeecntenaeeenes 5
2-3; Block Digeran:::... asic sicavina orcad hha cians tieete sateen 6
2-4. Printed Wiring Board — Main Section — ..0...0.cc eect 9
2-5. Schematic Diagram — Main Section — .......ccceeseeetseeeesereenees 13
2-6. Printed Wiring Board — Display Section — ..0... ieee 18
2-7. Schematic Diagram — Display Section — ......... ce eeseeseeererees 20
2-8. IC Block Diagrams o.0...... ee eceseeseseeeeentseeeeneeeeeeeeeeeeaeseersnesseeases 23
SECTION 3. EXPLODED VIEWS
3-1. Front Panel Section 0.0... ccccccccccsccsceecereceeeesessenes phd et ae he 24
B22). CHASSIS: SOCHON cociccscscsiaessexesssatensceiccstvavecseadeenes vwiseesdecavascissaksiesetie 25
SECTION 4. ELECTRICAL PARTS LIST ......................5 26
MODEL IDENTIFICATION
— Model Number Label—
SON Ye mover no.stR-p311
FM STEREO/FM-AM RECEIVER
WML LLL
US, Canadian model : AC 120V, 60Hz, 135W (US), 150W (CND)
UK, Australian model : AC 240V, 50Hz
E model AC 120V, 220/240V, 50/60Hz, 125W
ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!
LES COMPOSANTS IDENTIFIES PAR UNE MARQUE /\
SUR LES DIAGRAMMES SCHEMATIQUES ET LA LISTE
DES PIECES SONT CRITIQUES POUR LA SECURITE
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIECES SONY DONT LES
NUMEROS SONT DONNES DANS CE MANUEL OU
DANS LES SUPPLEMENTS PUBLIES PAR SONY.

Sony STR-D311 Specifications

General

Brand	Sony
Model	STR-D311
Category	Stereo Receiver
Language	English