SERVICE MANUAL
Sony Corporation
Published by Sony EMCS (Malaysia) PG Tec
MULTI CHANNEL AV RECEIVER
STR-KM2/KM3
9-890-591-04
2014C80-1
©
2014.03
Ver. 1.3 2014.03
This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround System.
* Manufactured under license from Dolby Laboratories. Dolby, Pro Logic, and the double- D symbol are trademarks of Dolby Laboratories.
** Manufactured under license under U.S. Patent Nos: 5,956,674; 5,974,380; 6,226,616; 6,487,535 & other U.S. and worldwide patents issued & pending.
DTS, the Symbol, & DTS and the Symbol together are registered trademarks & DTS Digital Surround | 96/24 is a trademark of DTS, Inc. Product
includes software. © DTS, Inc. All Rights Reserved.
This receiver incorporates High-Defi nition Multimedia Interface (HDMI
TM
) technology.
HDMI, the HDMI Logo, and High-Defi nition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States
and other countries.
“x.v.Color (x.v.Colour)” and “x.v.Color (x.v.Colour)” logo are trademarks of Sony Corporation.
“BRAVIA” is a trademark of Sony Corporation.
“PlayStation” is a registered trademark of Sony Computer Entertainment Inc.
MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson.
“WALKMAN” is a registered trademark of Sony Corporation.
MICROVAULT is a trademark of Sony Corporation.
Windows Media is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries.
This product contains technology subject to certain intellectual property rights of Microsoft. Use or distribution of this technology outside of this product is
prohibited without the appropriate license(s) from Microsoft.
SPECIFICATIONS
Amplifi er section
Power Output
E51 and AR models
Stereo mode output (rated) (6 ohms, 1 kHz, THD 1%)
104 W + 104 W
1)
Surround mode output
2)
(reference) (6 ohms,
1 kHz, THD 30%)
RMS output
FRONT: 220 W per channel
1)
CENTER: 220 W
1)
(STR-KM3)
SURROUND: 220 W per channel
1)
Surround mode
2)
(reference) (6 ohms, 100 Hz,
THD 30%)
SUBWOOFER: 220 W per channel
1)
Other models
Stereo mode output (rated) (6 ohms, 1 kHz, THD 1%)
104 W + 104 W
1)
Surround mode output
2)
(reference) (6 ohms,
1 kHz, THD 10%)
RMS output
FRONT: 170 W per channel
1)
(STR-KM3)
165 W per channel
1)
(STR-KM2)
CENTER: 170 W
1)
(STR-KM3)
SURROUND: 170 W per channel
1)
(STR-KM3)
165 W per channel
1)
(STR-KM2)
Surround mode
2)
(reference) (6 ohms, 100 Hz,
THD 10%)
SUBWOOFER: 175 W per channel
1)
(STR-KM3)
170 W per channel
1)
(STR-KM2)
1)
Measured under the following conditions:
Area Power requirements
SAF, E51, SP 240 V AC, 50 Hz
MX 127 V AC, 60 Hz
AR, TH, AUS, RU 230 V AC, 50 Hz
EA 127 V AC, 50 Hz
2)
Reference power output for front, center,
surround speakers and subwoofers. Depending
on the sound fi eld settings and the source,
there may be no sound output.
Inputs
Analog Sensitivity: 800 mV/
50 kilohms
Digital (Coaxial) Impedance: 75 ohms
Outputs (Analog)
AUDIO OUT Voltage: 800 mV/
1 kilohm
Tone
Gain levels ±6 dB, 1 dB step
Reproduction frequency range:
28 Hz – 20,000 Hz
FM tuner section
Tuning range 87.5 MHz – 108.0 MHz
Antenna (aerial) FM wire antenna (aerial)
Antenna (aerial) terminals
75 ohms, unbalanced
Russian Model
Australian Model
Mexican Model
Singapore Model
Saudi Arabia Model
Thai Model
STR-KM3
E Model
STR-KM2/KM3
• STR-KM2 is the receiver section in HT-M2.
• STR-KM3 is the receiver section in HT-M3.
Photo: STR-KM3
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