Marantz 2240B Odbiornik
Manufacturer:
Model:
2240B
Date:
0
Category:
Group:
Description:
STEREOPHONIC RECEIVER

Information

SPECIFICATIONS AUDIO CIRCUITS: Rated Power Output ......................................................................................................................................... (Continuous average per channel, all channels driven) Power Output ........................................................................................................ 45 Watts at 4 ohms 40 Watts at 8 ohms 20 Watts at 16 ohms Power Band ................................................................................................................. 20 Hz to 20 kHz THD .......................................................................................................................................................0.25% High-level hum and noise (ref. 40W at 8 ohms) ...................................................................... —60 dB Phono hum and noise ............................................................................................1.5 mV equivalent input Dynamic range (phono input to tape recording output) ........................................................ 90 dB I.M. Distortion (SMPTE), at rated power ....................................................................................... 0.3% Distortion decreases as output is lowered Total Harmonic Distortion, at rated power ............................................................ 0.25% Maximum Distortion decreases as output is lowered Damping Factor (ref. 8 ohms) .................................................................ΓΓΓΤ7. .. . Greater than 30 Frequency Response Through phono ...................................................................................................................... ±2 dB Input Sensitivity (for 40W at 8 ohms) High-level ............................................................................................................................... 180 mV Phono (1,000 Hz) ......................................................................................................................1.8 mV High-level .................................................................................................................... 100,000 ohms Phono .............................................................................................................................. 47,000 ohms Channel Separation 20 Hz to 10,000 Hz ................................................................. 30 dB Minimum FM SECTIONS: IH F Usable Sensitivity ...................................................................................................................... 2.3 μ/ Selectivity ........................................................................................................................................... 60 dB Noise Quieting .................................................................................................................... —55 dB at 5 mV —60 dB at 10μ/ —65 dB at 50 μ/ Total Harmonic Distortion, 400 Hz, 100% Mod...................................... (Mono) 0.2% (Stereo) 0.4% Frequency Response (ref. 50μ sec. de-emphasis) ....................................±1 dB 50 Hz to 15 kHz Stereo Separation ..................................................................................riS .. . Λ1» .... 1,000 Hz 40 dB Sub-Carrier (38 kHz) Suppression ................................................................................................. 60 dB GENERAL: Power Requirements ................................................................................................... 220V ~ 50/60 Hz (This unit can be converted by a qualified technician to operate on 110/120/240V~50/60 Hz) At rated output, both channels operating ................................................................. 170 Watts Idling Power (Volume Control at zero) ...................................................................... 30 Watts Dimensions Panel Width ............................................................................................................... 17-3/8 Inches Panel Height ................................................................................................................. 5-3/8 Inches Depth ........................................................................................................................... 14-3/8 Inches Weight Unit alone .............................................................................................................................. 30.8 lbs

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Instrukcja serwisowa
Manual type:
Instrukcja serwisowa
Pages:
42
Size:
5.14 Mbytes (5384694 Bytes)
Language:
english
Revision:
Manual-ID:
Date:
Quality:
Skanowany dokument, wszystko czytelne.
Upload date:
08 March 2015
MD5:
4729e9d38393ccd745d4fad72ad08cfb
Downloads:
833

Information

Introduction ... Service Notes ... , Test Equipment Required for Servicing AM Alignment Procedure ... , FM Alignment Procedure ... Stereo Separation Alignment ... , Muting Circuit Alignment ... Dolby FM Tape Output Setting ... Audio Adjustment ... Parts List ... Specifications ... , Service Information for European Model TABLE 1. Test Equipment Required for Servicing This service manual was prepared for use by Authorized Warrant^rSfations and contains service information for Marantz Model 2240B Stereo-phonic Receiver. Servicing information and voltage data included in this manual are intended for use by the knowledgeable and experienced technician only. All instruction should be read carefully. No attempt should be made to proceed without a good understanding of the operation in the Receiver. The parts list furnish information by which replacement part may be ordered from the Marantz Company. A simple desription is included for parts which can be usually be obtained through local suppliers.

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powiedziany...
Tengo uno y quiero restaurarlo y es genial poder encontrar una página tan práctica

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