Sony STR-VX550 Service Manual

US Model
Canadian Model
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 8o0hm loads, both channeis driven,
from 20-20,000Hz; rated 50 watts per
channel minimum RMS power, with no more
than 0.008% total harmonic distortion from
250 milliwatts to rated output.
OTHER. SPECIFICATIONS
Amplifier section
Continuous RMS power output
50 watts (4 ohms) at 20 Hz ~ 20 kHz
Dynamic headroom 3 1.4dB (78 IHF)
Harmonic distortion Less than 0.008% at rated output
Less than 0.015% (4 ohms}
Intermodutation (IM} distortion
(80 Hz: 7 kHz = 4; 1) Less than 0,008% at rated output
Frequency response PHONO: RIAA equalization curve +0.5 dB
CD/AUX
TAPE-1, -2 5H2~100kHz +95dB
VIBEO-1, -2 ;
Less than 68 yV (8 ohms, network A}
50 (8 ohms, 1 kHz}
Residual noise
» Damping factor
SAFETY-RELATED COMPONENT WARNING!!!
« COMPONENTS IDENTIFIED BY SHADING AND MARK
A ON THE SCHEMATIC DIAGRAMS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE GPERATION,
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY,
MICROFILM
Inputs
—
Maximum input | SIN (weighting
axl .
itive netwerk, input level, Sensitivity Impedance capability (1 kHz) Wea ip
———— aa
81 dB
PHONO 2.5 mV , 50 kahms 14G mV 79 dB*
{at 2.5 mV)
CDIAUX i 100 oF
TAPE-1, 2 150 mV 40 konms —_— 85 dB
VIDEO-1, -2 (at 150 mV)
*°78 IHF
Outputs REC OUT-1, -2, VIDEO OUT-1
Voltage 150 mV
Impedance 10 kohms
SPEAKERS A, B
Accepts speakers of 4 to 16 ohms (A or B)
Accepts speakers of 8 to 16 ohms. (A and
B)
HEADPHONES
Accepts low and high impedance head-
phones.
— Continued.on page 2 —
ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!
LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET
UNE MARQUE /A\ SUR LES DIAGRAMMES SCHE-
MATIQUES ET LA LISTE DES PIECES SONT CRITIQUES
POUR LA SECURITE DE FONCTIONNEMENT. NE REM-
PLACER CES COMPOSANTS QUE PAR DES PIECES
SONY DONT LES NUMEROS SONT DONNES DANS CE
MANUEL OU DANS LES SUPPLEMENTS PUBLIES PAR
SONY.
FM STEREO /FM-AM RECEIVER
SON Y.