Geräte Informationen:

Marantz 2250 Receiver
Hersteller:
Marantz
Modell: 2250
Datum:
Kategorie: Audio, Video, TV, Multimedia
Gruppe: Receiver
Beschreibung: STEREOPHONIC RECEIVER
Informationen:
                                    TECHNICAL SPECIFICATIONS Amplifier Section:
RATED POWER
OUTPUT................................................................................
50 Watts per channel,
Continuous Average Power, both channels driven.
Power Band....................................... . . .
......................................................................
20 Hz to 20 kHz
Total Harmonic Distortion
...............................................................................................................
0.3%
Load
Impedance............................................................................................................................
8 ohms
Intermodulation Distortion at Rated
Power....................................................................................0.25%
Damping Factor
..................................................................................................................................
55
Frequency Response
..................................................................................
20 Hz to 20 kHz ±0.5 dB
Preamplifier Section:
Phono:
Dynamic Range
..........................................................................................................................
96 dB
NOTE: Dynamic Range is the ratio in dB of the phono input
overload to equivalent input noise.
Equivalent Input Noise
...........................................................................................................
1.5 μν
Input Overload .......................................
.............................................................................
100 mV
Sensitivities (for rated power output)
Phono.........................................................................................................................................
1.8 mV
Tape
..........................................................................................................................................
180 mV
Main In ............................
Frequency Response (phono)
............................ 1.5 V
30 Hz to 15 kHz ±1.0 dB
Input Impedances
Phono..................................................................................................................................
47 K ohms
Aux or Tape
.......................................................................................................................
100 K ohms
Main In
...............................................................................................................................
30 K ohms
Tape Output Level
......................................................................................................................
775 mV
Ref.: 7.75 mV at phono input Signal to Noise Ratio
Aux Input
...............................................................................................................................
· ■ 85 dB
Phono Input
...............................................................................................................................
75 dB
Tone Controls
Bass: 100
Hz.............................................................................................................................
±10 dB
Tone Mode at 250
Hz.................................................................................................
± 3 dB
Mid: 700 Hz
........................................................................................................................±7.5dB
Treble: 10
kHz.............................................................................................................................
±10 dB
. Tone Mode at 4 kHz
.................................................................................................
± 3 dB
FM Tuner Section:
IHF Usable Sensitivity
..................................................................................................................
2.5 /xV
Sensitivity (DIN)
..............................................................................................................................2.1
μν
Selectivity (alternate carrier)
.........................................................................................................
60 dB
Quieting Slope
RF Input for 30 dB Quieting
....................................................................................................
1.9 μν
Quieting at 5 μν RF
Input.........................................................................................................
55dB
Quieting at 10 μν RF Input
...................................................................................................
60 dB
Quieting at 50 μν RF Input
....................................................................................................
70 dB
Total Harmonic Distortion
Mono:.............................................................................................................................................
0.3%
Stereo:.............................................................................................................................................
0.4%
Capture
Ratio...................................................................................................................................
1.5 dB
Stereo Separation at 1
kHz.............................................................................................................
40 dB
Spurious Rejection
........................................................................................................................
95 dB
Image Rejection
...............................................................................................................................
70 dB
IF
Rejection........................................................................................................................................
90 dB
AM Suppression
...............................................................................................................................
55 dB
AM Tuner Section:
Sensitivity
.......................................................................................................................................
20 μ V
General:
Power Requirements .
.......................................................................
110/120/220/240 V AC, 50 Hz
Power Consumption at rated
output, both channels
operating......................................................................................
220 Watts
Idling Power (Volume Control at zero)
................................................................................
35 Watts
Dimensions:
Panel Width
...............................................................................................................................
43.1 cm
Panel Height
...........................................................................................................................
13.6 cm
Depth
........................................................................................................................................
35.6 cm
Weight:
Unit
Alone...............................................................................................................................
15.3 kg
Packed for
Shipment...........................................................................................................
18.3 kg

Folgende Anleitungen sind für obiges Gerät verfügbar:

Marantz -- 2250 -- Serviceanleitung
Dateiname: Marantz-6606-Manual-Page-1-Picture
Dokumenttyp: Serviceanleitung
Seitenanzahl: 42
Dateigröße: 3.17 Mbytes (3325761 Bytes)
Sprache: Englisch
Revision:
Dokument-ID/Nummer:
Datum:
Qualität: Gescanntes Dokument, alles ist lesbar.
Upload Datum:
MD5: f8669272385eb4dc504601d9ec561dcb
ed2kID: f0c9e69d6bfc1daa50aa00fa79926008
Downloads: 74 seit 08 März 2015
Informationen:
Introduction
.................................................................................................................................
1
P.W. Board
......................................................................................................................................
1
Test Equipment Required for Servicing
....................................................................................
2

This service manual was prepared for use by Authorized
Warranty Stations and contains service information for
Marantz Model 2250 Stereophonic Receiver.
Servicing information and voltage data included in this
manual are intended for use by the knowledgeable and
experienced technician only. All instructions should be read
carefully. No attempt should be made to proceed without a
good understanding of the operation of the receiver.
The parts list furnishes information by which replacement
parts may be ordered from the Marantz Company. A simple
description is included for parts which can usually be
obtained through local suppliers.
AM Alignment Procedure
........................................................................
............................... 2
FM Alignment Procedure
...........................................................................................................
3
Stereo Separation Alignment
......................................................................................................
3
Muting Circuit Alignment
...........................................................................................................
3
Dolby FM Tape Output Setting
..................................................................................................
4
Audio Adjustment ..............................
.....................................................................................
4
Technical Specifications (for U.S.A. Model)
.............................................................................25
Parts
List..........................................................................................................................................27
Service Information for European
Model...,.............................................................................38
Technical Specifications (for European Model)
........................................................................38
Marantz-6606-Manual-Page-1-Picture
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