Marantz - 2275 - Receiver
Manufacturer:

Image 1 of 3
If you have any other photos or manuals for the
Marantz 2275
you can
upload the files here.
Equipment:
2275
Date:
Category:
Group:
Sub Group:
Information
TECHNICAL SPECIFICATIONS
PRE Amplifier ECTION
Phono Dynamic Range
..............................................................................................................98dB
Note: Dynamic Range is the ratio in dB of phono overload
(115mV) to equivalent input noise (1.45μν).
Input Sensitivity and Impedance
.........................................................
Phono: 1.8mV, 47K ohms
High Level: 180mV, 50K ohms
Pre-Out Level
................................................................................................................................
1V
Pre-Out Output Impedance
.............................................................................................
900 ohms
Phono Frequency Response
....................................... ±1dB, 30Hz to 15kHz
(to RIAA curve)
Signal/Noise-Aux
....................................................................................................................
—82dB
Tone Controls
..........................................................................................
Treble: ±12dB at 15kHz
Bass: ±12dB at 50Hz
Filters
..................................................................................................
Hi Filter: 5kHz, 6dB/Octave
- l low Filter: 100Hz, 6dB/Octave
Loudness Compensation · ·
..........................................................................................
100Hz, +8dB
10kHz, +5dB Amplifier ECTION Headphone Output....................................................... 0.5V(referenced
to Rated Power Output)
Input Sensitivity for MAIN IN Front/Rear
........................................ IV for Rated Power
Output
Rated Power Output (Continuous average power per channel,
all channels driven)
Power Output
..................................................................................................
75 Watts, 4 ohms
75 Watts, 8 ohms 40 Watts, 16 ohms
Power Band
...........................................................................................................
20Hz to 20kHz
THD
..................................................................................................................................
0.25%
Frequency Response
................................................................................
±1dB, 20Hz to 20kHz
Damping Factor
...........................................................................................................................
60
FM SECTION
Quieting
Slope.............................................................................................
1.9μ/: 30 dB Quieting
5mV: 35dB Quieting 10μν: 60dB Quieting 50μν: 70dB Quieting
Ultimate Quieting
...................................................................................
1000μν: 70dB Quieting
Selectivity (Alternate Channel)
............................................................................................
80dB
Capture Ratio
...........................................................................................................................
1.5dB
Muting Threshold
...................................................................................
Variable, 7μ! to 70μν
Stereo Separation
...................................................................................................
42dB at 1 kHz
Total Harmonic Distortion
........................................................................................
Mono: 0.25%
Stereo: 0.35%
Frequency Response
...............................................................................
±1.0dB, 30Hz to 15 kHz
Total Spurious
Rejection................................................................................
Greater than 100dB
Image Rejection
..............................................................................................
Greater than 100dB
AM Suppression
.................................................................................................
Greater than 60dB
IF Rejection
..................................................................................................
Greater than 100dB
Antenna Impedance
............................................................................................
.75 or 300 ohms
Quadradial Output
..........................................................................
340mV for 100% Modulation
AM SECTION
AM Sensitivity
.......................................................................................................................
20μ/
Selectivity
..................................................................................................................
±20kHz>45dB
AM Bandwidth
..............................................................................................................—6dB,
7kHz
Image Rejection
...............................................................................................
Greater than 60 dB
GENERAL
Power Requirements
............................................................................................
220V^50/60 Hz
(This unit can be converted by a qualified technician to
operate on 110 120/240V^50/60Hz.)
Unit Dimensions
...............................................................................
Height: 5-3/8” (without feet)
Dimensions — Panel Width
...................................................................................
17-5/16"-439mm
— Panel Height
.....................................................................................
5-3/8"-137mm
— Depth
..............................................................................................
14-3/8"-366mm
Weight — Unit alone
...........................................................................................
37.9 lbs-17.7 Kg
— Packed for Shipment
..........................................................................
45.1 lbs-20.5 Kg
2 Manuals
Service manual
Manual type:
Service manual
Pages:
38
Size:
3.9 MB
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
March 8, 2015
MD5:
670fbf51-4be3-cf1c-a3f4-38d740194f5a
Downloads:
824
Information
Introduction
.................................................................................................................................
1
Service Notes
..............................................................................................................................
1
AM Tuner 1
FM Tuner 2
Phono and Tone Amplifier 5
Power Amplifier 5
Power Protection Circuit
........................................................................................................
6 Speaker Protector Relay Circuit
................................................................................................
6
Suggestions for Troubleshooting the Power Amplifier 6
Test Equipment Required for Servicing
...................................................................................
7
AM Alignment Procedures
........................................................................................................
7
FIVLAIignment Procedures
........................................................................................................
8
Stereo Separation Alignment
...................................................................................................
8
Muting Circuit Alignment
■■■·...................................................................................................
8
FM Dolby Level Adjustment
....................................................................................................
9
Audio Adjustments
.................................................................................................................
9
Parts List
...............................................................................................................................
20~32
Technical Specifications
...................■■■■■■.................................................................................
33~34
Servicing Informations for European Model
.................................................................
35~37,39
This service manual was prepared for use by Authorized
Warranty Stations and contains service information for the Marantz Model 2275 Stereophonic Receiver ervicing information and voltage data included in this
manual are intended for use by knowledgeable and experienced
personnel 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.
Datasheet
Manual type:
Datasheet
Pages:
7
Size:
2.1 MB
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Scanned document, all readable.
Upload date:
April 30, 2015
MD5:
db7843a0-b720-415c-81ba-d5046b1ec316
Downloads:
1877