Equipment information

Marantz SR680 Receiver
Manufacturer
Marantz
Model SR680
Date 1997
Category: Audio, Video, TV, Multimedia
Group Receiver
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

These manuals are available for the above equipment:

Marantz -- SR680 -- Service Manual
File name Marantz-6627-Manual-Page-1-Picture
Manual Type Service Manual
Pages 42
Size 14.75 Mbytes (15462569 Bytes)
Language english
Revision First Issue
Manual-ID/Number 287J855010 ACT
Date September 1997
Quality Scanned document, all readable.
Upload date
MD5 c64ed709a67df0a352a07d9fe9b24d41
Downloads 221 since 26 April 2015
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
Marantz-6627-Manual-Page-1-Picture
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