Sony str k 840 p service manual

Page 1

STR-K740P/K840P

SERVICE MANUAL

Ver 1.2 2003. 09

US Model
Canadian Model
AEP Model

UK Model
E Model

Photo : STR-K840P (SILVER model)

. STR-K740P/K840P are the tuner and the
amplifier section in HT-DDW740/DDW840.

Dolby Laboratories Licensing Corporation.

DOLBY the double-D symbol [1U AC-3" and PRO LOGIC
are trademarks of Dolby Laboratories Licensing Corporation.

SPECIFICATIONS

POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:

With 8 ohm loads, both channels driven, from
40 7 20,000 Hz; rated 100 watts (STR7K840P
only)/80 watts (STRVK740P only) per channel
minimum RMS power, with no more than
0.09 % total harmonic distortion from 250
milliwatts to rated output (Models of area code
U only).

Amplifier section

POWER OUTPUT

Models of area code U, CA

Rated Power Output at Stereo Mode
(8 ohms 40 Hz 7 20 kHz, THD 0.09 70)
STRVK840P: 100 W + 100 W
STRVK740P: 80 W + 80 W

Reference Power Output
(8 ohms I kill. THD 0.7 %)

STRVK84OP: FRONT: 100 chh
CENTER": 100 W
SURR: 100 Wleh
STRVK740P: FRONT: 80 chh

CENTER: 80 W
SURR: 80 W/cli

Models of area code CEL,CEK

Rated Power Output at Stereo Mode
(8 ohms 1 kHz. THD 0.7 70)

STRVK840P: 100 W + 100 W:y
STRVK740P: 80 W + 80 W:)

Reference Power Output
(8 ohms 1 kHz. THD 0.7 1)

STRVK840P: FRONT: 100 Wleh
CENTER: 100 W
SURR: 100 W/ch

STRVK740P: FRONT: 80 chh

CENTER: 80 W
SURR: 80 chh

9-873-544-03 Sony Corporation
2003i16-1 Home Audio Company
© 2003.09 Published by Sony Engineering Corporation

Models of area code AR, SP

Rated Power Output at Stereo Mode
(8 ohms 1 kHz. THD 0.7 70)

STRVK84OP: 90 W + 90 W

Reference Power Output

(8 ohms 1 kHz. TIID 10 %)

STR-K840P: FRONT: 120 W/oh
CENTER: 120 W
SURR: 120 W/oh

Models of other area code

Rated Power Output at Stereo Mode
(8 ohms 1 kHz. THD 0.7 %)

STRVK840P: 100 W + 100 W
STRVK740P: 80 W + 80 W

Reference Power Output
(8 ohms 1 kHz. TIID 10 %)

STR-K840P: FRONT: 120 W/eh
CENTER: 120 W
SURR: 120 W/eh

STRVK740P: FRONT: 100 W/eh

CENTER: 100 W
SURR: 100 W/ch

1) Depending on the sound field settings and the
source there may be no sound output.

2) M d under the following conditions:
Area code Power requirements
E 240 V AC, 50 Hz
SP. CEL, CEK. AR 230 V AC, 50 Hz
MX 120 VAC, 60 Ill

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