STR-DE225/DE325
SERVICE MANUAL
AEP Model
Canadian Model
STR-DE225/DE325
US Model
E Model
Australian Model
Chinese Model
STR-DE325
UK Model
Photo : STR-DE225 |
STR-DE225 |
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Manufactured under license from Dolby Laboratories Licensing Corporation.
“DOLBY”, “PRO LOGIC” and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS
Amplifier section
Power output |
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Stereo mode |
(DIN 1 kHz, 4 ohms) |
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STR-DE325: 90 W + 90 W |
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STR-DE225: 40 W + 40 W |
Surround |
(DIN 1 kHz, 4 ohms) |
mode |
Front: STR-DE325: 90W/ch |
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STR-DE225: 40W/ch |
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Centre: STR-DE325: 90W |
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STR-DE225: 40W |
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(only in PRO LOG IC MODE) |
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REAR: STR-DE325: |
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(DIN 1 kHz, 4ohms) 90 W |
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STR-DE225: (DIN 1 kHz, |
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4ohms) 40 W |
5.1/DVD |
Front: 90 W/ch |
INPUT * mode |
(DIN 1 kHz, 4 ohms) |
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Centre: 90 W |
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(DIN 1 kHz, 4 ohms) |
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Rear: 45 W/ch |
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(DIN 1 kHz, 8 ohms) |
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(except STR-DE225) |
Frequency |
PHONO: RIAA(except STR-DE225) |
response |
equalization curve ±0.5 dB |
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TV / LD, CD, TAPE / MD, |
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VIDEO, 5.1/DVD INPUT*: |
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10Hz - 50kHz ±1dB |
Input
Sensitivity Impedance S/N
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(Weighting |
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network, |
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input level) |
PHONO |
50 |
74 dB |
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(STR-DE325) |
2.5mV kilohms |
72 dB** |
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(MM) |
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(A, 2.5 mV) |
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CD, |
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5.1/DVD |
200 mV |
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INPUT* |
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50 |
82 dB |
TAPE/MD, |
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kilohms |
82 dB** |
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TV/LD, |
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VIDEO |
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**’78IHF |
Outputs |
TAPE/MD REC OUT: |
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Voltage: 150 mV, |
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Impedance: 10 kilohms |
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VIDEO AUDIO OUT: |
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Voltage: 150 mV, |
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Impedance: 10 kilohms |
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WOOFER/MIX AUDIO |
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OUT: Voltage: 2V |
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Impedance: 10 kilohms |
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PHONES: Accepts low and high |
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impedance headphones |
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Muting |
Full mute |
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BASS BOOST |
+10dB at 70 Hz |
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TONE |
±8dB at 100 Hz and 10 kHz |
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FM tuner section
Tuning range |
87.5 – 108.0 MHz |
Aerial terminals |
75 ohms, unbalanced |
Sensitivity |
Mono: 18.3 dBf, 2.2µV /75 ohms |
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Stereo: 38.3 dBf, 22.5µV /75 |
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ohms |
Usable sensitivity |
11.2 dBf, 1V /75 ohms (IHF) |
S/N |
Mono: 76 dB |
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Stereo: 70dB |
Harmonic |
Mono: 0.3 % |
distortion at |
Stereo: 0.5 % |
1 kHz |
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Separation |
45dB at 1 kHz |
Frequency |
+0.5 |
30 Hz – 15kHz–2 dB |
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response |
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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 |
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Selectivity |
35 dB |
— Continued on next page —
FM STEREO/FM-AM RECEIVER
MICROFILM
STR-DE225/DE325
3-3. SCHEMATIC DIAGRAM — DISPLAY SECTION —
— 9 — |
— 10 — |
STR-DE225/DE325
3-5. SCHEMATIC DIAGRAM — POWER SECTION —
— 13 — |
— 14 — |
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