Sony service manual STR-DE845/DE945

STR-DE845/DE945

SERVICE MANUAL

US Model Canadian Model

STR-DE845/DE945

E Model

Australian Model

Chinese Model

PX Model

STR-DE845

Photo: STR-DE945

Manufactured under license from Dolby labora- tories. “Dolby”, “AC-3”, “Pro Logic” and the double- D symbol ; are trademarks of Dolby Laborato- ries.

Manufactured under license from Digital Theater Systems, Inc. US Pat. No. 5,451,942 and other worldwide patents issued and pending. “DTS” an d “DTS Digital Surround” are trademarks of Digi- tal Theater Systems, Inc.

SPECIFICATIONS

AUDIO POWER

SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DISTORTION:

With 8 ohm loads, both channels driven, from 20 - 20,000 Hz; rated 110 watts (STR-DE945) and 100 watts

(STR-DE845) per channel minimum RMS power, with no more than 0.09 % total harmonic distortion from 250 milliwatts to rated output (USA model only).

Amplifier section

POWER OUTPUT

Models of area code U, CA

Rated Power Output at Stereo Mode

(8 ohms 20 Hz – 20 kHz, THD 0.09 %) STR-DE945: 110 W + 110 W STR-DE845: 100 W + 100 W

Reference Power Output

(8 ohms 1 kHz, THD 0.7 %) STR-DE945: FRONT:1)

110 W + 110 W

CENTER1): 110 W REAR1):

110 W + 110 W

STR-DE845: FRONT1):

100 W + 100 W

CENTER1): 100 W REAR1):

100 W + 100 W

Models of other area code STR-DE845:

Rated Power Output at Stereo Mode

(8 ohms 1 kHz, THD 0.7 %) 100 W + 100 W2) 90 W + 90 W3)

Reference Power Output

(8 ohms 1 kHz, THD 0.7 %) FRONT1):

100 W + 100 W

CENTER1): 100 W REAR1):

100 W + 100 W

(8 ohms 20 Hz – 20 kHz, THD 0.09 %)

FRONT1):

95 W + 95 W CENTER1): 95 W REAR1):

95 W + 95 W (8 ohms 1 kHz, THD 10 %)

FRONT1):

135 W + 135 W

CENTER1): 135 W REAR1):

135 W + 135 W

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

2)Measured under the following conditions:

Area code Power requirements

AU, E	240 V AC, 50 Hz
CN, SP	230 V AC, 50 Hz

3) Measured under the following conditions:

Area code Power requirements

CN 220 V AC, 50 Hz

Frequency response

PHONO: RIAA equalization curve

±0.5 dB

CD, TAPE, MD/DAT, MD/TAPE, DVD/ LD, TV/SAT, VIDEO 1, 2, and VIDEO 3:

10 Hz – 50 kHz +0.5/–2 dB (with sound field, equalizer, and bass boost bypassed)

Inputs (Analog)	Outputs	TAPE, MD/DAT, MD/
PHONO:		TAPE; VIDEO 1, 2
Sensitivity: 2.5 mV		(AUDIO OUT):
Impedance: 50		Voltage: 150 mV,
kilohms		Impedance:
S/N4): 86 dB		1 kilohms
(A, 2.5 mV5))		SUB WOOFER:
5.1CH INPUT, CD,		Voltage: 2 V
TAPE, MD/DAT,		Impedance:
MD/TAPE, DVD/		1 kilohms
LD, TV/SAT, VIDEO		PHONES:
1, 2, and VIDEO 3:		Accepts low- and
Sensitivity: 150 mV		high-impedance
Impedance:		headphones
50 kilohms
S/N4): 96 dB	BASS BOOST +6 dB at 70 Hz
(A, 150 mV5))
	Sampling Frequency
4) INPUT SHORT		48 kHz
5) Weighted network, input level
Inputs (Digital)	EQ	BASS:
		100 Hz~1.0 kHz
DVD/LD IN(Coaxial):
		(21 steps)
Sensitivity: –
		MID:
Impedance: 75 ohms
		500 Hz~5.0 kHz
S/N: 100 dB
		(21 steps)
(A, 20 kHz LPF)
		TREBLE:
DVD/LD IN, TV/SAT
		1.0 kHz~10 kHz
IN, MD/DAT IN
		(21 steps)
(Optical):
		Gain levels:
Sensitivity: –
		± 10 dB, 1 dB step

Impedance: –

S/N: 100 dB (A, 20 kHz LPF)

– Continued on next page –

FM STEREO/FM-AM RECEIVER