Sony str k 680 service manual

Page 1

STR-K680/K780

SERVICE MANUAL

Ver. 1.3 2006.08

AEP Model
UK Model

S TR-K 780
4 E Model
I STFl-K680/K780
. Australian Model
STR-K 780
0 STR-KGBO is the tuner and the amplifier section Photo : STFl-K780
in HT-DDW680, STR-K780 is the tuner and the
amplifier section in HT-DDW780/HTP-36DW.
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.
SPECIFICATIONS
Amplifier section Models of area code AUS Models 0f area Code AR
Power Output (6 ohms 120 Hzezo kHz, THD 0.09%) Power Outputm)
Models of area code SP, SP6 FRONTZ) : 50 W/ch (6 Ohm-92% 1sz THD 07%) 1) 3)
(6 ohms 1 kHz, THD 0.7%) CENTERZ): 50 w FRONT i) 70 Wfih 653§WCh
FRONTZI . 70 W/ch 2) CENTER : 70 W , 65 W
2; SUR - 50 W/Ch SUR: 70 WIch, 65 Wish
CENEER 1 70W (6 ohms l kHZ. THD 07%) (6 ohms 100 Hz, THD 0.7%)
SUR I r 70 Web FRONT : 85 chh SUB WOOEER: 70 w, 65 w
(6 ohms 1 kHz, THD 10%) CENTERZ): 85 w (6 ohms 1 kHz, THD 10%)
FRONT: 100 W/ch SUR» . 85 Web FRONT: 100 W/ch, 90 Wish
2), ' CENTER: 100 w, 90 W3)
$113)? I 132 vaV/Ch (6 OhmszikHz THD 10%) SUR: 100 WIch, 9o W/ch
' FRONT '2 122 0 (6 ohms 100 Hz, THD 10%)
CENTER )1 12 2 W SUB WOOFER: 100 w, 90 W3)
Models of area code AEP, UK, RU SURZ): 122 W/ch
(6 ohms 1 kHz THD 0 7%) Measured under the following conditions:
FRONTZI . 85 W/ch Models of area code E51, MX Area code Power requirements
CENTER: 85 w PM" OWN SP, SP6, AER UK, RU 230 V AC, 50 Hz
2) (6 ohms 1 kHz, THD 0.7%) -
SUR : 85 W/ch FRONT : 70 W/ch AR 230 V AC, 50 Hz
(5 Ohms; kHz» THD 10%) CENTER : 70 w E51, AUS 240 V AC, 50 Hz
FRONT : 122 W/ch SURZ) : 70 chh MX 127 V AC, 60 Hz
CENTER: 122 w (6 ohms 100 Hz, THD 0.7%) -
SUR: 122 W M] SUB WOOFERZI: 70 w Depending on the sound field settings and the
(6 ohms 1 kHz, THD 10%) source, there may be no sound output.
2) .
FRONT 2) 100 WICh 3) Measured under the following conditions:
CENTER : 100 W -
SURZ) : 100 W/ch Area code Power requirements
(6 ohms 100 Hz, THD 10%) AR 220 V AC, 50 Hz

SUB WOOFER: 100w

- Continued on next page -

MULTI CHANNEL AV RECEIVER

9.3874404 Sony Corporation
2006,4154 Home Audio Division
© 2006.08 Published by Sony Techno Create Corporation

SONY®

Page 2

STR-K680/ K780
Ver. 1.2

lnputs (Analog)

SA-CD/CD,
VIDEO 1. 2, DVD

Sensitivity: 800 mV
Impedance: 50 kohms

Inputs (Digital)

DVD (Coaxial) Sensitivity: -

' 75 ohms

VIDEO 1. 2
(Optical)

Impedance: -
(VIDEO 1 is only K780)

Outputs (Analog)

SUB WOOFER
(only K780)

Voltage: 2 V
Impedance: 1 kohm

Reproduction frequency range:
28 7 20,000 Hz

Tone

Gain lcv s :6 dB, 1 dB step

FM tuner section
Tuning range

Antenna
Antenna terminals

87.5 -108.0 MHz
FM wire antenna
75 ohms, unbalanced

Intermediate Frequency
10.7 MHz

- Abbreviation

AFI : Argentina model

AUS :Australian model

E51 :Chilean and Peruvian models
MX : Mexican model

FiU : Russian model
SP : Singapore model
SP6 :Singapore and Malaysia models

About area codes

The area code of the receiver you purchased is
shown on the lower right portion ofthe rear panel
(see the illustration below).

_.

fl =--- Z-XXX-XXX-XX AA
-|-

W-

Area code

Any differences in operation, according to the area
code, are clearly indicated in the text, for example,
Models of area code AA only".

AM tuner section
Tuning range
Models of area code AEP, UK, RU,
SP, SP6, AUS
With 9-kHz tuning scale:
531 - 1,602 kHz
Loop antenna
Intermediate Frequency

450 kHz
Models of area code E51
With lO-kHz tuning scale: 530 - 1,610 kHz
With 9-kHz tuning scale: 531 - 1,602 kHz'll
Models of are code AR, MX
With 10-kHz tuning scale: 530 - 1,610 kI-IZ

Antenna

4 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 +,
press I/(l). 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 (only K780)
Inputs/Outputs
Video: 1 Vp-p, 75 ohms
COMPONENT VIDEO:
Y: 1 Vp-p. 75 ohms

Pa/Cs/B-Y: 0.7 Vp-p,
75 ohms

Px/CR/R-Y: 0.7 Vp-p,
75 ohms

80 MHz HD Pass Through

General
Power requirements

m
AEP, UK. RU 230 v AC, 50/60 Hz
AUS 240 v AC, 50 Hz
SP, SP6 230 - 240 v AC, 50/60 Hz
E51 120/220/240 v AC,
50/60 Hz
MX 127 VAC,60 Hz
AR 220-230V AC, 50/60 Hz

Power consumption

Area code Power consumption
AEP. UK, AUS, 190 W

E51, MX, RU, AR

SP, SP6 170 W

Power consumption (during standby mode)
0.2 W
Dimensions (w/h/d) (Approx)
430 X 145 X 300 mm
including projecting parts
and controls
7.5 kg (K780)
7.8 kg (K680)

Mass (Approx)

Design and specifications are subject to
change without notice.

MODEL IDENTIFICATION

- Rear Panel -
V A
Pans No.
Model Part No.
E51 model 2-661-458-2l]
AFI model 2-661-458-3fl
MX model 2-661-458-41]
AEP, UK, RU models 2-662-452-0D
SP, SP6 models 2-662-452-1D
AUS model 2-662-452-2fl