Marantz SR680 Receiver
Manufacturer:
Model:
SR680
Date:
1997
Category:
Group:
Description:
Audio/Video Receiver

Information

1. TECHNICAL SPECIFICATIONS FM Tuner SECTION Frequency Range .......................................87.5 - 108.0 MHz Usable Sensitivity.....................................IHF 1.3pV/13.5 dßf Signal to Noise Ratio..........................Mono/Stereo 76/68 dB Distortion..........................................Mono/Stereo 0.2 / 0.5% Stereo Separation...............................................1 kHz 40 dB Alternate Channel Selectivity.......±400 kHz 65 dB (U version) ±300 kHz 65 dB (K, KS, KK version) image Rejection..............................98 MHz 50dB (U version) 98 MHz 70 dB (K, KS, KK version) Tuner Output Level.... 1 kHz, ±75 kHz Dev 800mV (U version) 1 kHz, ±40 kHz Dev 800mV (K, KS, KK version) AM Tuner SECTION Frequency Range.......................520 - 1710 kHz (U version) 531 - 1602 or 520 -1710 kHz (K, KS, KK version) Signal to Noise Ratio....................................................50 dB Usable Sensitivity............................................. Loop 500 μν Distortion ........................................... 1 kHz, 30% Mod. 0.5% Selectivity......................................±20 kHz 70 dB (U version) ±18 kHz 70 dB (K, KS, KK version) AUDIO SECTION Rated Power Stereo Mode FRONT (20 Hz - 20 kHz)....8 ohms 65W / Ch (2ch driven) (Main in) Center (40 Hz - 20 kHz)...........8 ohms 80W / Ch (Main in) Surround (40 Hz - 20 kHz).......8 ohms 7QW / Ch THD Front (20 Hz - 20 kHz)............................ 8 ohms 0.05% Input Sensitivity/Impedance Linear......................................................210mV/40 kohms Signal to Noise Rate {IHF A) Linear........................................................................85 dB Dolby Surround Adjacent Channels Separation............55 dB VIDEO Television Format.............................„ NTSC (U, KK version) PAL/NTSC/SECAM (K, KS version) Input Level/Impedance..................................1Vp-p/75 ohms Output Level/Impedance..............................1Vp-p/75 ohms Video Frequency Response.......... 5 Hz to 7 MHz (- 3 dB) S/N..............................................;............................ 63 dB GENERAL Power Requirement......................AC 120V 60 Hz (U version) AC 110/115/220/230V 50/60 Hz (K version) AC 230V 50 Hz (KS version) AC 220V 50/60 Hz (KK version) Power Consumption ..................................................... 275W Dimension {MAX) Width............................................. 17-Ά inches (439 mm) Height.,..............................:.............6-% inches (158 mm) Depth..................................................18 inches (458 mm) Weight.....................................................28.7 Ids. (13.0 kg) ACCESSORIES Remote Control Unit RC780SR...........................................1 AAA-size batteries...............................................................2 FM Feeder Antenna..............................................................1 FM Antenna Converter (U version only)................................1 AM Loop Antenna.................................................................1 Plug adaptor (K version only)..............................................1 Extra fuse (for 110/115V fuse)(K version only) .....................1 AC-3 SECTION Output Level/Output impedance MAIN L/R, CENTER, SURROUND L/R 1 KHz, 0 dB INPUT..................................0 - 3.5 V / 500 Ω SUBWOOFER 50 Hz, 0 dB INPUT......................................0 - 9 V / 500 Ω Input Impedance ( RF, COAXIAL )..................................75 Ω Frequency Response MAIN L/R, CENTER, SURROUND L/R ( LARGE ) 20 Hz - 20 KHz ........................................................±0.5dB Filter Characteristics MAIN L/R, CENTER, SURROUND L/R ( SMALL ) H.P.F.................................................fc=100 Hz, 12 dB/oct. SUBWOOFER L.P.F.................................................fc=100 Hz, 24 dB/oct. Total Harmonic Distortion MAIN L/R, CENTER, SURROUND UR (1 KHz ) ....... 0.01% or less Subwoofer ( 50 Hz)......................................0.1% or less Signal to Noise Ratio (IHF-A )..................................... 98 dB Channel Separation (1 KHz)...................................... 80 dB

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Service Manual
Manual type:
Service Manual
Pages:
42
Size:
14.75 Mbytes (15462569 Bytes)
Language:
english
Revision:
First Issue
Manual ID:
287J855010 ACT
Date:
Quality:
Scanned document, all readable.
Upload date:
2015 04 26
MD5:
c64ed709a67df0a352a07d9fe9b24d41
Downloads:
927

Information

SECTION PAGE 1. TECHNICAL SPECIFICATIONS ... 1 2. WIRING DIAGRAM ... 2 3. BLOCK DIAGRAM ... 3 4. SCHEMATIC DIAGRAM AND PARTS LOCATION (Pattern Side) ... 5 5. IC DATA ... 35 6. EXPLODED VIEW AND PARTS LIST ... 41 7. SERVICE PROGRAM ... 44 8. ELECTRICAL ADJUSTMENTS ... 45 9. TECHNICAL DESCRIPTION ... 48 10. SIGNAL AND CIRCUIT DESCRIPTION ... ;V ... 48 11. ELECTRICAL PARTS LIST ... ,! ... 49

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