Информация по оборудованию

Marantz 2238 Приемник
Производитель:
Marantz
Модель: 2238
Дата: 1977
Категория: Аудио, видео, ТВ, мультимедиа
Группа: Приемник
Описание: STEREOPHONIC RECEIVER
Информация:

12. TECHNICAL SPECIFICATIONS TV Multimedia">Amplifier SECTION: Rated Power Output, Minimum Continuous Average Power per Channel, both Channels Driven............................................38 W Power Band..................................................................................................................................................................20 Hz to 20 kHz Total Harmonic Distortion.............................................................................................................................................................0.1% Load Impedance..........................................................................................................................................................................8 ohms Maximum Power Output, DIN 45500 (Less than 1% THD, 10 min. test at 1 kHz)........................................................................................................................42 W Power Bandwidth at 1% THD, DIN 45500................................................................................................................ 10 Hz to 70 kHz I.M. Distortion (I.H.F. method, 60 Hz and 7 kHz mixed 4:1 at rated power output) .............................................................................0.1% Damping Factor.................................................................................................................................................................................. 45 Sensitivity (at MAIN IN)............................................................................................................................................................. 1.5 V Impedance (at MAIN IN)........................................................................................................................................................30 kohms Frequency Response for Power Amp Only (at 1 W output, 20 Hz to 20 kHz) ...............................................................................................................................±0.25 dB PREAMPLIFIER SECTION: Phono Input Overload at 1 kHz ......................................................................................................................................................100 mV Equivalent Input Noise ...........................................................................................................................................................1.5/iV Dynamic Ranae (Dynamic Range is the ratio of input overload to equivalent input noise.)...................................................................96 dB Input Sensitivity.....................................................................................................................................................................1.8 mV Input Impedance ................................................................................................................................................................47 kohms Frequency Response, RIAA 20 Hz to 20 kHz ...................................................................................................................±1.0 dB Signal-to-Noise Ratio (at rated output and 7.75 mV input) ...............................................................................................................................75 dB Signal-to-Noise Ratio, unweighted (DIN 45500)................................................................................................................... 47 dB High Level (Aux and Tape) Input Sensitivity.....................................................................................................................................................................180 mV Input Impedance ................................................................................................................................................................85 kohms Frequency Response (includes power amp) ........................................................................................................................15 Hz to 60 kHz, ±1.5 dB Signal-to-Noise Ratio (ref. to rated output and 775 mV input)..........................................................................................................................87 dB Output Levels Tape Out (ref. 7.75 mV at Phono inputs) ........................................................................................................................... 775 mV Pre-Out (ref. 180 mV at Aux inputs) .................................................................................................................................... 1.5 V (ref. 500 mV at Aux inputs, main amp disconnected)............................................................................................ 4.2 V Output Impedance Tape Out .............................................................................................................................................................................600 ohms Pre-Out..................................................................................................................................................................................900 ohms FM TV Multimedia">Tuner SECTION: Sensitivity IHF Usable...........................................................................................................................................................10.8dBf (1.9/^V) IHF 50 dB Quieting (mono)............................................................................................................................... 17.3 dBf (4.0 μν) (Stereo).................................................................................................................................37.2 dBf (40 μν) DIN Sensitivity (Mono, 26 dB S/N, 300 ohm input) ............................................................................................................1.6 μν (Stereo, 46 dB S/N, 300 ohm input)............................................................................................................80 μν Quieting Slope (Mono) RF Input for 30 dB Quieting ...............................................................................................................................9.8 dBf (1.7 μν) Quieting at: 20dBf ( 5.5μν)................................................................................................................................................................51 dB 25 dBf ( 10 μν)................................................................................................................................................................58 dB 40 dBf ( 55 μν)................................................................................................................................................................65 dB 65 dBf (1000 μν)................................................................................................................................................................72 dB Quieting Slope (Stereo) Quieting at: 30 dBf ( 17 μν)................................................................................................................................................................40 dB 40 dBf ( 55 μν)................................................................................................................................................................50 dB 50 dBf ( 173 μν)................................................................................................................................................................56 dB 65 dBf (1000 μν).................................................................................................................................... 62 dB Distortion (Mono) at 50 dB Quieting, 1000 Hz ......................................................................................................................................................0.6% at 65 dBf (1000 μν), 1000 Hz ..............................................................................................................................................0.15% Distortion (Stereo) at 50 dB Quieting, 1000 Hz......................................................................................................................................................0.6% at 65 dBf (1000 μν), 1000 Hz .................................................................................................................................................0.3% Hum and Noise at 65 dBf (1000 μν) Mono.....................................................................................................................................................................................70 dB Stereo ..................................................................................................................................................................................62 dB Frequency Response 30 Hz to 15 kHz Mono........................................................................................................................................................................+0.2, —2.0 dB Stereo ................................................................................................................................................................................±2.0 dB Capture Ratio at 45 dBf (100 μν)...................................................................................................................................................................1.5dB at 65 dBf (1000 μν)................................................................................................................................................................1.0 dB Alternate Channel Selectivity......................................................................................................................................................70 dB Spurious Response Rejection ......................................................................................................................................................90 dB Image Response Rejection...........................................................................................................................................................60 dB I.F. Rejection (Balanced).............................................................................................................................................................90dB A.M. Suppression...........................................................................................................................................................................50 dB Stereo Separation 100 Hz.......................................................................................................................................................................................42 dB 1000 Hz.....................................................................................................................................................................................45 dB 10 kHz.......................................................................................................................................................................................32 dB Subcarrier Rejection.....................................................................................................................................................................60 dB AM TV Multimedia">Tuner SECTION: IHF Usable Sensitivity...................................................................................................................................................................20 μν Distortion (THD), 30% Modulation..............................................................................................................................................0.6% Signal-to-Noise Ratio.....................................................................................................................................................................49 dB Frequency Response (±3 dB) ....................................................................................................................................40 Hz to 2.3 kHz Alternate Channel Selectivity......................................................................................................................................................46 dB Image Rejection.............................................................................................................................................................................45 dB Spurious Response Rejection ......................................................................................................................................................50 dB l.F. Rejection ................................................................................................................................................................................40dB GENERAL: Power Requirements........................................................................................... 120 V AC, 60 Hz (U.S.A. and Canadian Versions) 220 V AC, 50 Hz (European Version) (This unit can be converted by a qualified technician to operate on 110/120/240 V AC, 50/60 Hz.) Power Consumption at rated output, both channels operating.................................................................................................170 W Idling Power (Volume Control at zero)....................................................................................................................................... 30 W Semiconductor Complement: Integrated Circuits . ........................................................................................................................................................................ 3 Transistors ..................................................................................................................................................................................... 45 Diodes............................................................................................................................................................................................ 29 Field Effect Transistors................................................................................................................................................................... 1 Dimensions: Panel Width.............................................................................................................................................. 440 mm (17-5/16 inches) Panel Height ...............................................................................................................................................137 mm ( 5-3/8 inches) Depth............................................................................................................................................................ 365 mm (14-3/8 inches) Weight: Unit alone................................................................................................................................................................. 12 kg (26.4 lbs) Packed for shipment............................................................................................................................................... 15kg( 33 lbs)

Эти руководства доступны для вышеуказанного оборудования:

Ручной тип: Технический паспорт Marantz-6636-Manual-Page-1-Picture
Страниц: 6
Размер: 36.83 Mbytes (38616932 Bytes)
Язык: английский
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Руководство ID/номер:
Дата:
Качество: Отсканированы документу, все читается.
Дата загрузки:
MD5: 43d5e17a637a7de96d6e3e72af0615be
Загрузки: 1414 начиная с 30 Апрель 2015
Информация:

Marantz-6636-Manual-Page-1-Picture


Ручной тип: Руководство по техническому обслуживанию Marantz-6602-Manual-Page-1-Picture
Страниц: 47
Размер: 7.48 Mbytes (7847157 Bytes)
Язык: английский
Редакция:
Руководство ID/номер: 220685501-0
Дата:
Качество: Отсканированы документу, все читается.
Дата загрузки:
MD5: a0137a3b80b4075308c03e4ba4eb2741
Загрузки: 455 начиная с 08 Март 2015
Информация:

1. SERVICE NOTES ... 1 2. TEST EQUIPMENT REQUIRED FOR SERVICING ... 2 3. AM ALIGNMENT PROCEDURE ... 2 3.1 AM IF Alignment ... 2 3.2 AM Frequency Range and Tracking Alignment ... 2 4. FM ALIGNMENT PROCEDURE ... 2 4.1 FM Frequency Range and Tracking Alignment ... 2 4.2 Stereo Separation Alignment ... 3 4.3 Muting Threshold Adjustment ... 3 4.4 FM Dolby Level Adjustment ... 3 5. POWER TV Multimedia">Amplifier ADJUSTMENT ... 4 6. POWER SUPPLY ADJUSTMENT ... 4 7. VOLTAGE CONVERSION FOR EUROPEAN MODEL ... 4 8. DIAGRAMS ... 5 8.1 Block Diagram ... 5 8.2 Inter Connection Diagram · U.S.A. & CANADA ... 7 8.3 Inter Connection Diagram - EUROPE ... 9 8.4 Schematic Diagram - U.S.A. & CANADA ... 11 8.5 Schematic Diagram · EUROPE ... 13 8.6 TV Multimedia">Tuner Board Schematic Diagram and Component Locations ... 15 8.7 FM Front End Board Schematic Diagram and Component Locations ... 19 8.8 Phono TV Multimedia">Equalizer Amp. Board Schematic Diagram and Component Locations ... 20 8.9 Main Amp. Board Schematic Diagram and Component Locations ... 22 8.10 Power Supply Board Schematic Diagram and Component Locations ... 24 8.11 Pre., Tone Amp. Board Schematic Diagram and Component Locations ... 25 8.12 Mono, Hi Filter, Tape 1 Mon., FM 25 ßS Switches Board Schematic Diagram and Component Locations ... 26 8.13 Mono, Hi Filter, Low Filter, Tape 1 Mon., Switches Board Schematic Diagram and Component Locations - EUROPE ... 26 8.14 TV Multimedia">Speaker Switch Board Schematic Diagram and Component Locations ... 27 8.15 Dial Lamp Board Schematic Diagram and Component Locations ... 27 9. MAJOR COMPONENT LOCATIONS ... 28 9.1 Cabinet-Front View ... 28 9.2 Chassis-Top View ... 28 9.3 Cabinet-Rear View ... 29 9.4 Chassis-Bottom View ... 29 9.5 Cabinet-Front View - EUROPE ... 30 9.6 Chassis-Top View - EUROPE ... 30 9.7 Cabinet-Rear View - EUROPE ... 31 10. EXPLODED VIEW ... 32 10.1 Packing Material Exploded View ... 32 10.2 Mechanical Exploded View ... 33 11. PARTS LIST ... 35 12. TECHNICAL SPECIFICATIONS 44 This service manual was prepared for use by Authorized Warranty Stations and contains service information for Marantz Model 2238 Stereophonic TV Multimedia">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 operations in the TV Multimedia">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.

Marantz-6602-Manual-Page-1-Picture


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