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Marantz 2275 Receiver
Manufacturer:
Model:
2275
Date:
unknown
Class:
Type:
SubType:
STEREOPHONIC RECEIVER

Information

TECHNICAL SPECIFICATIONS PRE Amplifier SECTION 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 SECTION Headphones 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

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Service Manual
Manual type:
Service Manual
Pages:
38
Size:
3.91 Mbytes (4104828 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
unknown
Quality:
Scanned document, all readable.
Upload date:
08 March 2015
MD5:
670fbf514be3cf1ca3f438d740194f5a
Downloads:
595

Information

Introduction ... 1 Service Notes ... 1 AM Tuner ... 1 FM Tuner ... 2 Phono and Tone Amplifiers ... 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. Servicing 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.

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Datasheet
Manual type:
Datasheet
Pages:
7
Size:
2.09 Mbytes (2195974 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
unknown
Quality:
Scanned document, all readable.
Upload date:
30 April 2015
MD5:
db7843a0b720415c81bad5046b1ec316
Downloads:
1416

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