SONY STR-DE225/DE325 free download

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STR-DE225/DE325 SERVICE MANUAL AEP Model Canadian Model STR-DE225/DE325 US Model E Model Australian Model Chinese Model STR-DE325 Photo : STR-DE225 UK Model STR-DE225 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 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 5.1/DVD INPUT * mode Front: 90 W/ch (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) PHONO: RIAA(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 (STR-DE325) (MM) CD, 5.1/DVD INPUT* TAPE/MD, TV/LD, VIDEO Outputs 50 2.5mV kilohms 74 dB 72 dB** (A, 2.5 mV) FM tuner section 87.5 ­ 108.0 MHz 75 ohms, unbalanced 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 Frequency response Selectivity **'78IHF 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 Full mute +10dB at 70 Hz ±8dB at 100 Hz and 10 kHz 45dB at 1 kHz +0.5 30 Hz ­ 15kHz ­2 dB 60 dB at 400 kHz Tuning range Aerial terminals Sensitivity 200 mV 50 kilohms 82 dB 82 dB** AM tuner section Tuning range Aerial Usable sensitivity S/N Harmonic distortion Selectivity 531 ­ 1602 kHz Loop aerial 50 dB/m (at 999 kHz) 54 dB(at 50 mV/m) 0.5%(50 mV/m, 400Hz) 35 dB Frequency response Muting BASS BOOST TONE -- 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 -- STR-DE225/DE325 3-8. SCHEMATIC DIAGRAM -- MAIN SECTION (1/3) -- -- 19 -- -- 20 -- STR-DE225/DE325 3-9. SCHEMATIC DIAGRAM -- MAIN SECTION (2/3) -- -- 21 -- -- 22 -- STR-DE225/DE325 3-10. SCHEMATIC DIAGRAM -- MAIN SECTION (3/3) -- -- 23 -- -- 24 -- 3-12. IC BLOCK DIAGRAMS · IC BLOCK DIAGRAMS IC1 BU1922 TSTLD 9 8 SCOUT OSCO RDCL VDDD TEST 10 ANTIALIASING FILTER CLOCKED COMPARATOR VP1 REFERENCE VOLTAGE 7 CIN OSCI VSSD 11 TS7 15 16 14 13 12 TEST LOGIC AND OUTPUT SELECTOR SWITCH QUALITY BIT GENERATOR OSCILLATOR AND DIVIDER 57kHz BANDPASS (8th ORDER) RECONSTRUCTION FILTER DEFFERENTIAL DECODER BIPHASE SYMBOL DECODER CONTAS LOOP VARIABLE AND FIXED DIVIDER CLOCK REGENERATION AND SYNC 1 QU