Sony STR-DE485 Service Manual

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STR-DE485/DE485E
SERVICE MANUAL
Ver 1.0 2002. 02
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.
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-DE485 area
code US only).
Amplifier section
POWER OUTPUT
Models of area code US, CND
Rated Power Output at Stereo Mode
(8 ohms 40 Hz – 20 kHz, THD 0.09 %)
STR-DE485: 80 W + 80 W
Reference Power Output
(8 ohms 1 kHz, THD 0.7 %)
1)
STR-DE485: FRONT : 80 W/ch
1)
CENTER
SURR 1) : 80 W/ch
Models of area code AEP, UK
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
STR-DE485E 80 W + 80 W
Reference Power Output
(8 ohms 1 kHz, THD 0.7 %)
STR-DE485E FRONT 1) : 80 W/ch
1)
CENTER
SURR 1) : 80 W/ch
Sony Corporation
9-873-587-01
2002B0400-1 Home Audio Company
© 2002.02 Published by Sony Engineering Corporation
Photo: STR-DE485
SPECIFICATIONS
: 80 W
2)
: 80 W
Canadian Model
Australian Model
Models of other area code
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
80 W + 80 W
2)
Reference Power Output
(8 ohms 1 kHz, THD 10 %)
1)
FRONT : 100 W/ch
CENTER 1)
1)
SURR : 100 W/ch
1) Depending on the sound field settings and the
source, there may be no sound output.
2) Measured under the following conditions:
Area code Power requirements
E, AUS 240 V AC, 50 Hz
SP, AEP, UK 230 V AC, 50 Hz
TW 110 V AC, 60 Hz
MX 120 V AC, 60 Hz
Frequency response
MULTI CH IN 10 Hz – 50 kHz
(STR-DE485 only), CD, +0.5/–2 dB (with sound
MD/TAPE, DVD/LD, field, and tone bypassed)
VIDEO 1, 2
Inputs (Analog)
MULTI CH IN Sensitivity: 250 mV
(STR-DE485 only), CD, Impedance: 50 kilohms
MD/TAPE, DVD/LD, S/N 3) : 96 dB
VIDEO 1, 2 (A, 250 mV
3) INPUT SHORT (with sound field and tone
bypassed).
4) Weighted network, input level.
FM STEREO/FM-AM RECEIVER
US Model
E Model
Chinese Model
STR-DE485
AEP Model
UK Model
STR-DE485E
2)
: 100 W
4) )
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