Sony str de 485 rec service manual

Page 1

STR-DE485/DE485E

SERVICE MANUAL

Ver 1.1 2003. 07

US Model
Canadian Model
E Model
Australian Model
Chinese Model

S TFi-DE485
AEP Model
UK Model

S TR-DE485E

Photo: STR-DE485

Manufactured under license from Dolby Laboratories.
Dolby", Pro Logic" and the double-D symbol are
trademarks of Dolby Laboratories.

DTS and DTS Digital Surround" are registered
trademarks of Digital Theater Systems, Inc.

SPECIFICATIONS

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:

With 8 ohm loads, both Channels driven, from
40 - 20,000 Hz; rated 80 watts per Channel
minimum RMS power. with no more than
0.09 % total harmonic distortion from 250
milliwatts to rated output (STR-DFASS area
code US only).

Amplifier section
POWER OUTPUT
Models ot area code US, CND
Rated Power Output at Stereo Mode
(8 ohms 40 Hz , 20 kHz. TI-ID 0.09 (7;)
STRVDE485: 80 w + 80 w

Reference Power output

(8 ohms 1 kHz. THD r) 7 %)

STRVDE4XS: FRONT u ; 8f) W/ch
CENTER I! : 80 w
SURR n : 80 W/ch

Models ot area code AEP, UK
Rated Power Output at Stereo Mode

(8 ohms 1 kHz. THD 0.7 We)
STRVDEAIXSE 80 w + 80W 2'

Reference Power output
(8 ohms 1 kHz. THD 0.7 %)

STRVDEAISSE FRONT H ; so W/ch
CENTER I! : 80 w
SURR 1) : 80 W/eh
9-873-587-02 Sony Corporation
2003604-1 Home Audio Company
© 2003.07 Published by Sony Engineering Corporation

Models of other area code
Rated Power Output at Stereo Mode
(8 ohms I kHz. THD 0.7 '70)
80 W + 80W1

Reference Power Output 1!

(8 ohms 1 kHz. THD 10 %I
FRONT '1 : 100 W/eh
CENTER 2 100W
SURR '1 : 100 Wish

1) Dependlng on the sound held sellings and the
source. there may be no sound output.
2) Measured under the following eondlnons;

Area code Power reqmrements

240V AC. 50 Hz

IIOVAC. 60 HZ
lZ()VAC.60HZ

Frequency response
MULTI CH IN
(STRVDFARS only). CD.
MD/IAPE, DVD/LD.
VIDEO 1. 2

10 Hz , 50 kHz
+0.5/72 dB (with sound
field. and [one bypassed)

Inpurs (Analog)
MULTI CH IN
(STRVDFARS only). CD.
MD/TAPE, DVD/LD.
VIDEO 1, 2

Impedance: 50 kilohlns
S/N n : 96 dB
(A. 250 mV 41)

3) INPUT SHORT (Willi sound field and tone

bypassed),
4) Wergllled network input level.

- Continued on next page -

FM STEREO/FM-AM RECEIVER
S ONY;