SERVICE MANUAL
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
FM STEREO FM-AM RECEIVER
9-879-448-01
2005B1678-1
© 2005.02
Ver. 1.0 2005.02
SPECIFICATIONS
STR-K870P
• STR-K870P is the tuner and the amplifier
section in HT-DDW870.
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.
Models of area code AUS
(6 ohms 120 Hz – 20 kHz, THD 0.09%)
FRONT
2)
: 50 W/ch
CENTER
2)
: 50 W
SURR
2)
: 50 W/ch
SURR BACK
2)
: 50 W
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
: 60 W/ch
CENTER
2)
: 60 W
SURR
2)
: 60 W/ch
SURR BACK
2)
: 60 W
(6 ohms 1 kHz, THD 10%)
FRONT
2)
: 100 W/ch
CENTER
2)
: 100 W
SURR
2)
: 100 W/ch
SURR BACK
2)
: 100 W
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(Models of area code US only)
With 6 ohm loads, both channels driven, from
120 – 20,000 Hz; rated 60 watts per channel
minimum RMS power, with no more than 0.7%
total harmonic distortion from 250 milliwatts to
rated output.
Amplifier section
Power Output
1)
Models of area code US, CND
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
: 60 W/ch
CENTER
2)
: 60 W
SURR
2)
: 60 W/ch
SURR BACK
2)
: 60 W
(6 ohms 1 kHz, THD 10%)
FRONT
2)
: 100 W/ch
CENTER
2)
: 100 W
SURR
2)
: 100 W/ch
SURR BACK
2)
: 100 W
Models of area code AEP, UK, SP, E51, MX
(6 ohms 1 kHz, THD 0.7%)
FRONT
2)
: 60 W/ch
CENTER
2)
: 60 W
SURR
2)
: 60 W/ch
SURR BACK
2)
: 60 W
(6 ohms 1 kHz, THD 10%)
FRONT
2)
: 100 W/ch
CENTER
2)
: 100 W
SURR
2)
: 100 W/ch
SURR BACK
2)
: 100 W
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