Sony STR-K7200 - Av Receiver Component Service Manual

SERVICE MANUAL
Ver. 1.0 2008.02
• STR-K7200 is the receiver section in HT-7200DH.
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 #'s: 5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,487,535
& other U.S. and worldwide patents issued & pending. DTS and DTS Digital Surround are registered
trademarks and the DTS logos and Symbol are trademarks of DTS, Inc. © 1996-2007 DTS, Inc.
All Rights Reserved.
This receiver incorporates High-Definition Multimedia Interface (HDMI
and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.
The XM name and related logo are registered trademarks of XM Satellite Radio Inc. All rights reserved.
"x.v.Color" and "x.v.Color" logo are trademarks of Sony Corporation.
"BRAVIA" and are trademarks of Sony Corporation.
AUDIO POWER
SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 20,000 Hz; rated 90 watts per channel
minimum RMS power, with no more than 1%
total harmonic distortion from 250 milliwatts
to rated output.
Amplifier section
1)
Power Output
Stereo mode (rated)
(6 ohms 1 kHz, THD 1%)
90 W + 90 W
Surround mode (reference)
(6 ohms 1 kHz
, THD 10%)
2)
RMS Output
FRONT: 140 W
per channel
CENTER: 140 W
SURROUND: 140 W
per channel
Sony Corporation
9-887-947-01
2008B05-1 Audio Business Gourp
© 2008.02 Published by Sony Techno Create Corporation
STR-K7200
) technology.HDMI, the HDMI logo
TM
SPECIFICATIONS
1)
Measured under 120 V AC, 60 Hz
2)
Reference power output for front, center and
surround speakers. Depending on the sound field
settings and the source, there may be no sound
output.
Inputs
Analog Sensitivity: 800 mV/
50 kohms
Digital (Coaxial) Impedance: 75 ohms
Outputs (Analog)
AUDIO OUT Voltage: 800 mV/
10 kohms
SUB WOOFER Voltage: 2 V/1 kohm
Tone
Gain levels ±6 dB, 1 dB step
Reproduction frequency range
28 – 20,000 Hz
FM tuner section
Tuning range 87.5 – 108.0 MHz
Antenna FM wire antenna
Antenna terminals 75 ohms, unbalanced
Intermediate frequency
10.7 MHz
MULTI CHANNEL AV RECEIVER
US Model
AM tuner section
Tuning range
With 10-kHz tuning scale:
3)
530 – 1,710 kHz
With 9-kHz tuning scale:
3)
531 – 1,710 kHz
Antenna Loop antenna
Intermediate frequency
450 kHz
3)
You can change the AM tuning scale to 9 kHz or
10 kHz. After tuning in any AM station, turn off
the receiver. While holding down TUNING
MODE, press ?/1. All preset stations will be
erased when you change the tuning scale. To reset
the scale to 10 kHz (or 9 kHz), repeat the
procedure.
Video section
Inputs/Outputs
Video: 1 Vp-p, 75 ohms
COMPONENT VIDEO:
Y: 1 Vp-p, 75 ohms
P /C : 0.7 Vp-p, 75 ohms
B B
P /C : 0.7 Vp-p, 75 ohms
R R
80 MHz HD Pass Through
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