Sony str d 315 service manual

Page 1

STR-D315

SERVICE MANUAL

US Model
Canadian Model
E Model
Australian Model

SPECIFICATIONS
Audio Power Specifications (US and Inputs
Canadian Models) , S/N (Wei htin
Sensitivity Impedance network. ingot legvel)
POWER OUTPUT AND TOTAL HARMONIC DlSTORTION 75 dB
PHONO 2.5 mV so kllohms 75 new: 25W)
With 8-ohm load, both channels driven, TAPE MD
from 40 - 20,000Hz, rated 100 watts per TV/LD 250 mV 50 [0th 32 dB
.
channel mlnlmum RMS power, with less ,TwgfiTZER 2 dB *2me
than 0.8% total harmonic distortion from 32 dB
250 mllllwatts to rated output. CD 30° W 5° Wm 32 dB (A. ZODmV)
_ _ _ 178IHF
Other speclflcatlons (for all models)
Outputs
Amplifier section REC OUT Voltage 250 mV
Continuous RMS poweroulput (5 ohms. at 40 Hz - 20 kHz less VIDEO (AUDIO) OUT impedance 10 kilohrns
than 0.8% total harmonic distortion) HEADPHONES Accepts low and high impedance
100W+100W headphones

80W+50W (E. Australian model)
Dynamic power (at I kHz. lHF)
140W+140W (3 ohms)
IIOW+1 WW (8 ohms) (E. Austmlian model)
220W+220W (4 ohms)
150W+150W (4 ohms) (E. Australian model)
Harmonic distortion
Less than 0.8% at rated output
Frequency response
PHONO : RIAA equalization cuvve t 0.5 dB
CD
VIDEO :1 10 Hz -50 kHz t1 dB
TAPE

Tone controls
BASS : 8 dB at 100 Hz
TREBLE 1 8 dB at 100 Hz
LOW BOOST
+10 dB (at 100 Hz)

~ Continued on next page 4,

FM STEREO/FM-AM RECEIVER
S 0 NY;

Page 2

Tuner section

FM tuner section AM tuner section

Tuning range 87.5 - 108 MHz US, Canadian model:
530 - 1.710 kHz $10 kHz step)
531 - 1.710 kHz 9 kHz step)

E model :
530 - 1.810 kHz (10 kHz step)
531 - 1.802 kHz( 9 kHz step)
Australian model :

531 - 1,602 kHz

Antenna 300 ohms. balanced Extmal antenna terminal

termlnals 70 ohms. unbalanced

Sensitivity at 18.3 dBi. 4.5 p,V(mono)

50 dB quieting 38.3 dBf. 4.5 uV(stereo)

US and

snadian

models) and

40 d5

(E. Australian

model)

Usable 11.2 (IN. 2 uV(IHF) Loop antenna :

sensitivity 500 [N (at 1.000 kHz)

Sianal-to-noise 78 dB (mono) 54 dB (at 50 mV/m)
rat 0

70 dB (stereo)

Harmonie 0.3 96 (mono). 0i5 % 0.5 96 (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 14125 dB
General
System
Tuner section : PLL quartz-locked digital
synthesizer system

Preampllfler section : low-noise NF type equalizer amp
Power smpliiier section : pure complementary SEPP.
Power requirements
US, Canadian model: 120V AC. 80 Hz
Australian model : 240V AC. 50Hz
E model : 120V, 220V or 240V AC. adjustable 50/60Hz
Power consumption
us model: 186W
Canadian model: 280 VA
E. Australian model : 160 W
In standby condition : 5 W
AC outlet
US and Canadian models : One switched (120WI1A Max.)
Australian model : 100 W switched
E model : One switched (100 W Max.)
Dimensions
Approx. 430x135x 285 mm (w/h/d)
(17X5% X115/a Inches)
Weight
Approx. 7.2 kg (13 lb 15 oz)
Accessories supplied
FM wire antenna (1)
AM loop antenna (1)
Remote oommander RM-U141 (1)
Sony batteries SUM-3 (NS) (2)

Design and specifications are subject to change without notice

SAFETY-RELATED COMPONENT WARNINGII

COMPONENTS IDENTIFIED BY MARK A OR 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 BV SONY.

TABLE OF CONTENTS

Section Title Page
1. GENERAL

Identifying the Parts and Controls ----------------------------- 3
2. DIAGRAMS

2-], Printed Wiring Boards -~ Display Section -

Z-Z. Schematic Diagram - Display Section - --~7

2-3. Printed Wiring Boards - Main Section - -- 11

2-4. SchematicDiagram - Main Section - ------------------- 15
3. EXPLODED VIEWS

3_1_ Front Panel Section ...... . .................................... 21

3.2. Chassis Section ................................................ 22
4. ELECTRICAL PARTS LIST ------------- - --------------------- 24

MODEL IDENTIFICATION
(Specification Label)

S ONY»

FM STEREO/FM-AM RECEIVER

WWW

MODEL NOi STR-D31 5

US, Canadian model : AC 120V, 60HZ.186W (US). 290VA(CND)

Australian model : AC 240V, 50Hz
E model : AC 120/220/240V. 50/60HZ. 160W

ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!

LES COMPOSANTS IDENTIFIES PAR UNE MAROUE A
sun LES DIAGRAMMES SCHEMATIOUES ET LA LISTE
DES PIECES SONT cmrrouss POUR LA sécumré
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTs cue PAR DES PIECES SONY DONT LES
NUMéRos SONT DONNés DANS cs MANUEL ou
DAN'S LES SUPPLEMENTS PUBLIES PAR SONY.

__2_