Sony str db 790 service manual

Page 1

STR-DA1000ES/DB790

SERVICE MANUAL

Ver. 1.4 2004.11

Photo: STR-DA1000ES

US Model

Canadian Model

STFi-DA1000ES
AEP Model
UK Model
E Model

Australian Model
Chinese Model

S TFl-DB7 90

This receiver incorporates Dolby* Digital and Pro

Logic Surround and the DTSM Digital Surround

System.

* Manufactured under license from Dolby
Laboratories.

Dolby", Pro Logic" and the doubleeD symbol are

trademarks of Dolby Laboratories.

** DTS and DTS Digital Surround" IIIC registered

trademarks of Digital Theater Systems. Inc.

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC
DISTOHTION:

(Models o1 area code U only)

With 8 ohm loads. both channels driven, from

20 , 20,000 Hz; rated 100 watts per channel minimum
RMS power, with no more than 0.09% total harmonic
distortion from 250 milliwatts to rated output.

Amplifier section

POWER OU'lPUl

STRVDAI 00053.

Rated Power Output at Stereo Mode

(8 ohms 20 H17 20 kHz. l'I-lD 0.09%) 100 w + 100 w

(4 ohms 20 Ht 7 20 kHz. THD 0.09%) 30 w 4 80 w

Reference Power Output

(8 ohms 20 Ht 7 20 kHz. THD 0.09%)
FRON J: 100 w 4100 w
CENTER: 100 w
SURR": 100 w +100 w
SURR BACK;
100 w 4 100 w

(4 ohms 20 Hz 7 20 kHz. THD 0.09%)
FRONT: 80 w 4 80 w
CENTER: 80 w
SURR: 80 w + 80 w
SURR BACK:
80 w + 80 w

stR7DB79o

Rated Power Output at Stereo Mode

(8 ohms 1 kHz. THD 0 7%) 90 w 4 90 w

(4 ohms 1 kHz. THD 0 7%) 80 w 4 80 w

Reference Power Output

9-877-370-05 Sony Corporation
2004K05-1 Audio Group
© 2004.1 1

Published by Sony Engineering Corporation

SPECIFICATIONS

(21 ohms 1 kHz. THD 0.7%)
FRONT. 100 w + 100 w
CENTER": 100 w
SURR: 100 w + 100 w
SURR BACK: 100 w

(4 ohms 1 kHz, 'll-ID 0.7%)
FRONT". 90 w + 90 w
CENTER: 90 w
SURR: 90 w + 90 w
SURR BACK": 90 w

(8 ohms 20 H2 7 20 kHz. THD 0.09%)
FRONT". 90 w 4 90 w
CENTER: 90 w
SURRI' 90 w + 90 w
SURR BACK: 90 w

(4 ohms 20 1-12 7 20 kHz. THD 0.09%)
FRONT. 80 w + 80 w
CENTER: 80 w
sum 80 w 4 80 w
SURR BACK": 80 w

1) Depending on the sound field settings and the

source. there may he no sound output.
2) Measured under the following conditions:

Area code Power req rements
SP, MY. CEL, CEK. AU, 230 V AC. 50 H1

CN

TW 110 V AC. 60 H1

3) Measured under the l'ollowmg conditions:

Area code
KR

Frequency response

PHONO

MUL'l'l CH IN. CD/
SACD. MD/TAPE. DVD.
'l'V/SAT, VIDEO 1,2,3

Inputs (Analog)
PHONO

MUL'l'l CH IN. CD/
SACD. MD/TAPE. DVD.
'l'V/SAT, VIDEO 1.2.3

Power requirements
220 V AC H

RIAA equalization curve
i0.5 dB

10 Ht71o0kHz
405/72 dB (when
ANALOG DIRECT is
selected)

Sensitivity, 25 mV
Impedance 50 kllohms
SIN: so (18 (A. 2.5
mV')

Sensitivity 150 mV
Impedance: 50 kilohms
SIN": 16 dB

(A, 150 rnv)

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FM STEREO FM/AM RECEIVER

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