Sony STR-K885 Service Manual

SERVICE MANUAL
Ver. 1.1 2007.08
• STR-K885 is the tuner and the amplifier section
in HT-DDW885.
This receiver incorporates Dolby* Digital and Pro Logic Surround and
the DTS** Digital Surround System.
* Manufactured under license from Dolby Laboratories. "Dolby", "Pro
Logic", "Surround EX", and the double-D symbol are trademarks of
Dolby Laboratories.
** "DTS" and "DTS-ES Neo:6" are registered trademarks of DTS, Inc.
"96/24" is a trademark of DTS, Inc.
Amplifier section
Models of area code SP, SP6, AUS, E51
Stereo mode (6 ohms, 1 kHz, THD 1%)
90 W + 90 W
2)
Surround mode (reference) (6 ohms, 1 kHz,
THD 10%)
RMS output
FRONT: 135 W
per channel
CENTER:135 W
SURROUND: 135 W
per channel
SURROUND BACK:
1)
135 W
Models of area code AR
Stereo mode (6 ohms, 1 kHz, THD 1%)
90 W + 90 W
80 W + 80 W
2)
Surround mode (reference) (6 ohms, 1 kHz,
THD 10%)
RMS output
FRONT:
135 W per channel
125 W per channel
CENTER:135 W
SURROUND:
135 W per channel
125 W per channel
SURROUND BACK:
1)
135 W , 125 W
Sony Corporation
9-887-651-02
Home Audio Division
2007H16-1
Published by Sony Techno Create Corporation
© 2007.08
SPECIFICATIONS
1)
Measured under the following conditions:
Area code
SP, SP6, AR
1)
AUS, E51
2)
Reference power output for front, center, surround
and surround back speakers. Depending on the
sound field settings and the source, there may be
1)
no sound output.
1) 3)
Measured under the following conditions:
220 V AC, 50 Hz
1)
Inputs
Analog
Digital (Coaxial) Impedance: 75 ohms
Outputs (Analog)
AUDIO OUT
1)
3)
SUB WOOFER
Tone
Gain levels
Reproduction frequency range:
1)
,
3)
1)
1)
,
3)
3)
STR-K885
FM tuner section
Tuning range
Power requirements
Antenna
230 V AC, 50 Hz
Antenna terminals
240 V AC, 50 Hz
Intermediate frequency
AM tuner section
Tuning range
Models of area code SP, SP6, AUS
With 9-kHz tuning scale:
Models of area code E51
Sensitivity: 800 mV/
With 10-kHz tuning scale:
50 kohms
With 9-kHz tuning scale:
Voltage: 800 mV/
Models of area code AR
10 kohms
With 10-kHz tuning scale:
Voltage: 2 V/1 kohm
Antenna
±6 dB, 1 dB step
Intermediate frequency
28 – 20,000 Hz
MULTI CHANNEL AV RECEIVER
E Model
Australian Model
87.5 - 108.0 MHz
FM wire antenna
75 ohms, unbalanced
10.7 MHz
531 – 1,602 kHz
4)
530 – 1,610 kHz
4)
531 – 1,602 kHz
530 – 1,610 kHz
Loop antenna
450 kHz
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