Sony str av 220 service manual

Page 2

STR-AV220/AV220A/AV320R/AV320RA

FM tuner section AM tuner section

Signal-to-noise 76 dB (mono) 54 dB (at 50 mV/m)
ratio 70 dB (stereo)
Harmonic 0.3% (mono), 045% 0.5% (at 50 mV/m,
distortion (stereo) at 1 kHz 400 Hz)
Selectivity 60 dB at 400 kHz 30 dB at 9 kHz
Separation 45 dB at 1 kHz
Frequency 30 Hz - 15 kHz 1:5 dB
response

General

System Tuner section: PLL quartz-locked digital

synthesizer system

Preamplifier section: low-noise NF type
equalizer amp

Power amplifier section: quasi-complementary
SEPP

Power requirements
220V AC, 50/ 60H: : AEP. West Germany Model
240V AC, 50/50H2: UK Model

TABLE OF CONTENTS

M Mr: Lag:
1. GENERAL

H. Location and Function of Controlsm ------------------ 3
2. ELECTRICAL ADJUSTMENTsm- ............................... 4
3t DIAGRAMS

31. Block Diagram ~~~~~~~~~~~~~~~~

32. Semiconductor Lead Layouts~
33. Printed Wiring Boards -Main Section
$4. Schematic Diagram -Main Section~
3-5. Printed Wiring Boards -Tuner Section-
3v6. Schematic Diagram -Tuner Section-
3-7. IC Block Diagrams-~~- ----------------------

3»8. Explantion of IC301 (,uPD75206) .................... ...21
4 EXPLODED VIEWS~ ......... ................................ 23
5, ELECTRICAL PARTS Lis'r............... ...................... 26

SAFETV~RELATED COMPONENT WARNING

COMPONENTS IDENTIFIED BY MARK A On 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.

Power consumption
STR-AVZZO/AVZZOA : 85W
STR-AVSZOR (WG) /AV320RA: I20W
STR-AV320R (UK) : 230W

in standby condition: 5 watts (STR-AVSZORA/
AV320R)

One switched (100 watts) (STR-AV320RA/
AV320R)
Approx. 430 X 110 X 300 mm (w/h/d)
(17 X 4 5/.e X 11 /.inches)
~including projecting pans and controls

Approx 5.8 kg (12 lb 13 02) net (STR-AV220/
AV22OA)
Approx 65 kg (14 lb 5 oz) net (STR~AV320R/
AVSZORA)

AC outlets

Dimensions

Weight

Accessories supplied
FM wire antenna (1)
AM loop antenna (1)
Remote Commander RM~S103 (1)
Remote Commander RM-U203 (1)
(STR-AV320R :UK)
Sony batteries SUM 3(NS) (2)

Design and specifications subject to change without notice.

CAUTION

Danger of explosion if battery is incorrectly
replaccdt Replace only with the same or
equivalent type recommended by the equipment
manufacturer. Discard used batteries according
to manufacturer's instructions.

ADVARSELI

Lithiumbatteri-Eksplosjonsfare ved fejlagtig handtering.
Udsklftning ma kun ske med batteri
af samme fabrikat og type,
Lever det brugte batteri tiibage til Ieverand ¢ ren.

ADVARSEL

Lithiumbatteri~Ekspiosjonsfare,
Ved utskifting benyttes kun batteri som
anbefalt av apparatfabrikanten.
Brukt batteri returneres apparatleverand 4b rent

VARNING

Explosionsfara vid ielaktigh batteribytet
Anvand samma batterityp eller en ekvivalent
typ som rekommenderas av apparattillverkarent
Kassera anvant batteri enligt fabrikantens
instruktion.

VAROITUS

Paristo voi rajahtaa, ios se on virheellisesti asennettu.
Vaihda paristo aincastaan laitevalmistajan suosittelemaan
tyypplln. Havita kaytetty paristo valmistaian ohjeiden
mukaisesti.

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