Sony str db 870 str db 1070

Page 1

STR-DBB70/DB1070

SERVICE MANUAL

Ver. 1.6 2005.09

Photo: STR-DB87O

US Model
E Model

Chinese Model

STFl-DB1070

Canadian Model

AEP Model
UK Model

STH-DBB70/DB 1070

This receiver incorporates Dolby" Digital and Pro Logic Surround

and the DTS Digital Surround System.

* Manufactured under license from Dolby Laboratories.

Dolby". Pro Logic and the doublerD symbol are trademarks

of Dolby Laboratories.

* * DTS and DTS Digital S urround" are registered trademarks

of Digital Theater Systems, Inc.

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:

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 (Models of area code
U only).

Ampiiiier section

POWER OUTPUT

Models at area code U. CA

Rated Power Output at Stereo Mode
(8 ohms 20 Hz , 20 kHz. THD 0.09 %)

SPECIFICATIONS

Models of other area code
Hated Power Output at Stereo Mode
(8 ohms 1 kHz. THD 0,7 70)

S'lRrDBlO70: 100 W + 100 W
90 W + 90 W
STRVDBWO. 100 W + 100 W

(4 ohms 1 kHz. THD 0,7 (70)

STRVDB1070: 90 W + 90 W
80 W + 80 W
STRVDBWO. 100 W + 100 W

Relerenoe Power Output?)
(8 ohms 1 kHz. THD 0,7 70)

S'l'RvDBl070: FRONT. [00 W + 100 W
CENTER: 100 W
SURR: 100 W + 100 W
SURR BACK": 100 W

S'l'RvDBtWO: FRONT. [00 W + 100 W

CENTER: 100 W
SURR: 100 W + 100 W

(4 ohms 20 Hz , 20 kHz. THD 0.09 %)

S'lRrDB 1070:

S'lRrDB 870

FRONT: 80 W + 80 W
CENTER". 80W
SURR. 80 W + 80 W
SURR BACK". 80 W
FRONT: 90 W + 90 W
CENTER". 90 W
SURR. 90 W + 90 W

1) Depending on the sound field settings and the

source. there may be no sound outpu

2) Measured under the iollowrng condi )ns.

Area code

Power requirements

E

240 V AC. 50 Hz
230 V AC. 50 Hz

CN. SP. CEL. KR

ll0VAC.60l-Iz

3) Measured under the followrng condition,

TW

Area code Power requirements
100 w +100 w (4 ohms] kHz. THD 0,7 70) -
(4 ohms 20 Hz , 20 kHz. THD 0.09 %) S'lRvDBlmt]: FRONT. 90 w + 90 w CN 220 V AC- 50 HZ
90 w + 90 w CENTER: 90 w
Relerence Power Output SURR: 90 W + 90 W
(8 ohms 20 Hz , 20 kHz. THD 0.09 /v) SURR BACK": on w Frequency response
STRVDBIIWO. FRONT":100 W + 100 W S'lRvDB870: FRONT. [00 w + 100 w PHONO RIAA e ualizalion curve
CENTER 100 w CENTER: 100 w +0 5 qu
SURR:100W+100W SURR:100W+100W -
SURR BACK": 100 w (8 0th 20 HZ , 20 km THD (mg 70 CD/SACD. TAPE. 10 Hi , 100 kHz
51117133870» FRou "x 100 w + [00 w STRDBWU; FRONT. 90 w + ()0 w MD/DAT,MD/1APE. :3 dB (with sound field.
ESE; Riot]? W100 w CENTER: 90 w TV/SAl. DVD/LB. equalizer. and bass boost
: + SURR:90W+9UW ~ 2 3 . -
(4 ohms 20 Hz , 20 kHz. THD 0,09 %) SURR BACK": 90 w W
SIRVDB 1070. FRONT:90 w + 90 w 511(43th FRONT. 90 w + 90 w
CENTER 90 w CENTER: 90 w
SURR:90W+90W SURR:90W+9UW
SURR BACK": 90 w - Continued on next page -
51117133870» FRONT:90 w + 90 w
CENTER 90 w
SURR: an w + on w
9-873-842-17 Sony Corporation
2005i05-1 Audio Group
© 2005.09 Published by Sony Engineering Corporation ®