SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
AEP Model
UK Model
MULTI CHANNEL AV RECEIVER
9-887-520-01
2007A16-1
© 2007.01
Ver. 1.0 2007.01
SPECIFICATIONS
STR-K890
• STR-K890 is the tuner and the amplifier section
in HT-DDW890.
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.
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Amplifier section
Power Output
1)
Models of area code AEP, UK
Stereo mode (6 ohms, 1 kHz, THD 1%)
90 W + 90 W
Surround mode
2)
(reference) (6 ohms, 1 kHz,
THD 10%)
RMS output
FRONT:135 W
per channel
CENTER:135 W
SURROUND:135 W
per channel
SURROUND BACK:
135 W
1)
Measured under the following conditions:
2)
Reference power output for front, center, surround
and surround back speakers. Depending on the
sound field settings and the source, there may be
no sound output.
Inputs (Analog)
Inputs (Digital)
Outputs (Analog)
Reproduction frequency range:
28 – 20,000 Hz
Tone
FM tuner section
Tuning range 87.5 - 108.0 MHz
Antenna FM wire antenna
Antenna terminals 75 ohms, unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Models of area code AEP, UK
With 9-kHz tuning scale:
531 – 1,602 kHz
AntennaLoop antenna
Intermediate frequency
450 kHz
Video section
Inputs/Outputs
Video: 1 Vp-p, 75 ohms
COMPONENT VIDEO:
Y: 1 Vp-p, 75 ohms
P
B/CB: 0.7 Vp-p, 75 ohms
P
R/CR: 0.7 Vp-p, 75 ohms
80 MHz HD Pass Through
Area code Power requirements
AEP, UK 230 V AC, 50 Hz
SA-CD/CD/CD-R,
TV, SAT, DVD,
VIDEO 1, 3
Sensitivity: 800 mV
Impedance: 50 kohms
DVD (Coaxial) Sensitivity: –
Impedance: 75 ohms
SAT, VIDEO 2/BD
(Optical)
Sensitivity: –
Impedance: –
SA-CD/CD/CD-R
(OUT),
VIDEO 1 (AUDIO
OUT)
Vo l t age: 800 mV
Impedance: 10 kohms
SUB WOOFER Voltage: 2 V
Impedance: 1 kohm
Gain levels ±6 dB, 1 dB step
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