Sony str db 790 service manual
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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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