Sony str d 2070 x service manual

Page 1

STR-DZU'IllX/DBUTUX

SERVICE MANUAL us Model

Canadian Model

STH-D2070X/D3070X:

E Model

STR-DZO70X.

Photo: STFi-D3070X

SPECIFICATIONS

Audio Power Specifications Residual noise Less than 70uV

Damping factor 50

POWER OUTPUT AND TOTAL HARMONIC (8 Ohms. at 1kHZ)

DISTORTION input sensitivity/ PHONO MM 25 mV, 50 kilohms
impedance

With 8-ohm load, both channels driven, from 20 - DATED. 150 mV

20,000 Hz, rated 120 watts per channel minimum 950123 50 th

TAPE 1,2
RMS power, with no more than 0.015% ioial
harmonic distortion from 250 milliwatts to rated DIGITAL 05 Vp~p. $20 %.75 ohms
(COAXIAL)
output.
DIGITAL TOSLINK
OPTICAL
Other Specifications ( )
SIN PHONO MM 87 dB
Dynamic power 8 ohms, at 1 195 + 195 watts 79 dB (A'Zva)
output kHz lHF DAT CD 105 dB
VIDEO 1,2,3 85 dB" (A.150mV)
4 ohms. at 1 250 + 250 waiis
kHz iHF TAPE 1.3
gjréngnic disiomon ai rated Less than 0015% Output sensitivity] DAT OUT, 150 mV
impedance TAPE OUT 12 10 kilohms
iniermodulafion (IM) distortion at Less than 0.015% 050 1

rated output

SPEAKERS Accepts seakers oi 8-16 ohms
Power oui ui of center am Her
9 p ' ' (3951?: Wm 8 0th 3 WHZ) HEADPHONES Accepis headphones of high
' and iow impedance

Power output of surround(HEAR)l 15 + 15 waits

u CENTER 007, 2.5 v. 1kilohm

DRLC ampililer (8 ohms, at 1kHz) REAR OUT

r- P , - .

$233223 ONO 3i?" equahmw" GUNS $0.5 PRE OUT 1 v. iKIlohm
CD, DAT. 10 Hz - 70 kHz:: dB WW 4003
TAPE 1.2 .. .
DIGITAL 78
(OPTICAL. ~ Continued on page 2 -
COAXIAL)
FM STEREfl / FM-AM RECEIVER

SONY;

Page 2

STR-DZO70X/D307OX

Digital signal processor sectlon

Modulation (AID conversion) High Density Linear Converter
Demonstration (DIA conversion) High Density Linear Converter
System (Pulse D/A Converter)
Sampling frequency 32 kHz. 444 kHz. 48 kHz
Equalizer Band spend, Bass/treble Mid
Turnover Bass: 99 Hz - 1 kHz
lrequency Treble: 1 kHz ~ 10 kHz
oenter Mid: 20 -18 kHz
lrequency
Level :12 dB, 02 dB step
Slope (O) 3-step selectable. Wide. Mid,
Narrow
DDS compressor 9vstep adjustable
expander 9-step adjustable
Surround ROOM SIZE 20vslep adjustable
WALL 20»step adjustable
SEAT 20vstep adjustable
POSlTlON FIR
SEAT Zovstep adjustable
POSITlON L/R
EFFECT 20~step adjustable
LEVEL
REVERB TIME 20-step adjustable
DELAY TIME 15.0 ms-SO, ms. 01 ms step
REAR LEVEL +10 . -50 dB, 4-. 1 dB step
CENTER +10 --50 dB. -°°. 1 d8 step
LEVEL
INPUT Automatic
BALANCE

FM tuner section

Frequency range

87.5 -108.0 MHZ

Antenna terminals

300 ohms, balanced
75 ohms, unbalanced

Sensitivity at 50 dB

18.3 dBl, 4.5 W (mono)
38.3 dBl, 45 (N (stereo)

image response ratio 70 433

IF response ratio 70 dB

Spurious response ratio 80 dB

RF intermodulation at 800 60 dB

kHz

Auto tuning Low 30 dBf

threshold

High 50 dBf
AMtuner section .
Frequency range 530 - 1710 kHz (with 10 kHz interval)
531 - 1710 kHz (with 9 kHz interval)

Antenna Loop antenna

Usable sensltlvity 50 dB/m (at 1,000 kHz or 999 kHz)
S/N 54 dB (at 50 mV/m)

Harmonic distortion

0.5% (50 mV/m. 400 Hz)

Selectlvity

35 dB (9 kHz). 40 dB (10 kHz)

Auto tuning threshold

55 dB/m

Video sectlon

Inputs VIDEO 1.2.3: 1 Vp-p 75 ohms
Outputs VIDEO 1, MONITOR: 1 Vp-p 75 ohms
General

STR»D3070X STH-DZO7OX

Tuner section PLL quartz-locked digital synthesizer
system

System
Preamplifier Low-noise NF type equalizer
section

section

Power amplifier

Pure-complimentary SEPP

Power requirements

120 V AC.60 Hz

Power consumption

USA model :260 watts
Canada model:550 VA
E modelleD. 220 or 240 V adjustable

Usable sensitivity 11.2 dBf. 2 uV (iHF)
SIN Mono 80 dB
Stereo 74 dB
Harmonic Mono 0.3 %
distortion at
1 kHz Stereo 0.5 %
lM distortion Mono 0.3 %
Stereo 05 %
Separation 45 dB at 1 kHz

Frequency response

30 Hz- 15 kHz 12:13

Selectivity 60 dB at 400 kHz
Capture ratio 1.2 (18
AM suppression ratio 54 dB

AC outlets Two switched. total 120 watts
Dimensions 430 x 147.5 x 373 mm

(17 x 5 /8 x 14 3/. inches)
Weight 145 kg 13.5 kg

(32 lb) (29 lb 13 oz)

Supplied accessories

FM ribbon antenna (1)

External antenna connector (1)
AM loop antenna (1)

Remote commander FtMvP311 (1)
External antenna connector (1)
Sony Batteries SUM~3(NS) (2)

Design and specifications are subject to change without notice.