STR-DE225/DE325
AEP Model
Canadian Model
STR-DE225/DE325
US Model
E Model
Australian Model
Chinese Model
STR-DE325
UK Model
STR-DE225
SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY”, “PRO LOGIC” and the double-D symbol are
trademarks of Dolby Laboratories Licensing Corporation.
MICROFILM
SPECIFICATIONS
Photo : STR-DE225
Amplifier section
Power output
Stereo mode
(DIN 1 kHz, 4 ohms)
STR-DE325: 90 W + 90 W
STR-DE225: 40 W + 40 W
Surround
(DIN 1 kHz, 4 ohms)
mode
Front: STR-DE325: 90W/ch
STR-DE225: 40W/ch
Centre: STR-DE325: 90W
STR-DE225: 40W
(only in PRO LOG IC MODE)
REAR: STR-DE325:
(DIN 1 kHz, 4ohms) 90 W
STR-DE225: (DIN 1 kHz,
4ohms) 40 W
(DIN 1 kHz, 4 ohms)
Centre: 90 W
(DIN 1 kHz, 4 ohms)
Rear: 45 W/ch
(DIN 1 kHz, 8 ohms)
(except STR-DE225)
equalization curve ±0.5 dB
TV / LD, CD, TAPE / MD,
VIDEO, 5.1/DVD INPUT*:
10Hz - 50kHz ±1dB
Input
Sensitivity Impedance S/N
(Weighting
network,
input level)
PHONO
50
74 dB
(STR-DE325)
2.5mV kilohms
72 dB**
(MM)
(A, 2.5 mV)
CD,
5.1/DVD
200 mV
INPUT*
50
82 dB
TAPE/MD,
kilohms
82 dB**
TV/LD,
VIDEO
**’78IHF
Outputs
TAPE/MD REC OUT:
Voltage: 150 mV,
Impedance: 10 kilohms
VIDEO AUDIO OUT:
Voltage: 150 mV,
Impedance: 10 kilohms
WOOFER/MIX AUDIO
OUT: Voltage: 2V
Impedance: 10 kilohms
PHONES: Accepts low and high
impedance headphones
Muting
Full mute
BASS BOOST
+10dB at 70 Hz
TONE
±8dB at 100 Hz and 10 kHz
FM tuner section
Tuning range
87.5 – 108.0 MHz
Aerial terminals
75 ohms, unbalanced
Sensitivity
Mono: 18.3 dBf, 2.2µV /75 ohms
Stereo: 38.3 dBf, 22.5µV /75
ohms
Usable sensitivity
11.2 dBf, 1V /75 ohms (IHF)
S/N
Mono: 76 dB
Stereo: 70dB
Harmonic
Mono: 0.3 %
distortion at
Stereo: 0.5 %
1 kHz
Separation
45dB at 1 kHz
Frequency
30 Hz – 15kHz
+0.5
dB
response
Selectivity
60 dB at 400 kHz
AM tuner section
Tuning range
531 – 1602 kHz
Aerial
Loop aerial
Usable sensitivity
50 dB/m (at 999 kHz)
S/N
54 dB(at 50 mV/m)
Harmonic
0.5%(50 mV/m, 400Hz)
distortion
Selectivity
35 dB
–2
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