Informações do equipamento

Pioneer SX-750 Recebedor
Fabricante:
Pioneer
Modelo: SX-750
Data:
Categoria: Áudio, Vídeo, TV, Multimédia
Grupo: Recebedor
Descrição: AM/FM Stereo Receiver
Informações:

Semiconductors FET............................................................................ 1 ICs.............................................................................. 7 Transistors ................................................................42 Diodes.......................................................................40 Amplifier Section Continuous Power Output from 20 Hertz to 20,000 Hertz (Both channels driven) . . 50 watts per channel (8 ohms) 60 watts per channel (4 ohms) Total Harmonic Distortion (20 Hertz to 20,000 Hertz, from AUX) Continuous Rated Power Output ... No more than 0.1% 25 watts per channel power output, 8 ohms ......................No more than 0.05% 1 watt per channel power output, 8 ohms ......................No more than 0.05% Intermodulation Distortion (50 Hertz: 7,000 Hertz=4:1, from AUX) Continuous Rated Power Output . . No more than 0.1% 25 watts per channel power output, 8 ohms ......................No more than 0.05% 1 watt per channel power output. 8 ohms........................No more than 0.05% Damping Factor (20 Hertz to 20,000 Hertz)................................... 30 Input (Sensitivity/Impedance) PHONO ........................................ 2.5mV/50k ohms MIC................................................. 5mV/50k ohms AUX ............................................ 150mV/50k ohms TAPE PLAY 1............................... 150mV/50k ohms TAPE PLAY 2............................... 150mV/50k ohms TAPE PLAY 2 (DIN connector) ... 150mV/50k ohms PHONO Overload Level (T.H.D. 0.1%) ............ 200mV (1 kHz) Output (Level/Impedance) TAPE REC 1..................................................150mV TAPE REC 2..................................................150mV TAPE REC 2 (DIN connector) ........ 30mV/80k ohms SPEAKER................................................. A, B, A+B HEADPHONES................................. Low Impedance Frequency Response PHONO (RIAA equalization) ..........30 Hertz to 15,000 Hertz ±0.2dB AUX, TAPE PLAY ...............10 Hertz to 50,000 Hertz ^B Tone Control BASS.........................................+8dB, —7dB (100 Hz) TREBLE....................................+9dB, -7dB (10 kHz) Filter HIGH...............................................6 kHz (6dB/oct.) Loudness Contour (Volume control set at -40dB position)____+6dB (100 Hz), +3dB (10 kHz) Hum and Noise (IHF, short-circuited, A Network, rated power) PHONO .............................................................70dB AUX, TAPE PLAY.............................................90dB FM Section Usable Sensitivity MONO . 10.7dBf (1.9/iV) STEREO............ . !9.0dBf (9.8μν) 50dB Quieting Sensitivity MONO 17.2dBf (4.0μν) STEREO............ . 39.2dBf (50/iV) Signal to Noise Ratio at 65dBf MONO .............. 72dB STEREO ........... ............. 67dB Distortion at 65dBf 100Hz.. MONO . ..............0.15% STEREO .............. 0.3% 1kHz ... .MONO . ..............0.15% STEREO .............. 0.3% 6kHz ... .MONO . .............. 0.4% STEREO .............. 0.4% Frequency Response............ 30H/ to 15,000Hz dB Capture Ratio ....................... .............1,0dB Alternate Channel Selectivity . . .............. 80dB Spurious Response Ratio . . . . .............. 90dB Image Response Ratio........... .............. 80dB IF Response Ratio................ .............. lOOdB AM Suppression Ratio........... .............. 55dB Muting Threshold.................. . 14dBf (2.8μν) Stereo Separation................. . 40dB (1 kHz), 30dB (30Hz ~ 15kHz) Subcarrier Product Ratio .............. 62dB SCA Rejection Ratio.............. .............. 62dB Antenna Input....................... 75 ohms unbalanced

Estes manuais estão disponíveis para os equipamentos acima:

Tipo manual: Manual de serviço Pioneer-7230-Manual-Page-1-Picture
Páginas: 79
Tamanho: 9.25 Mbytes (9702463 Bytes)
Língua: Inglês
Revisão:
Manual-ID/número:
Data:
Qualidade: Scaned documento, todas legível.
Upload de data:
MD5: 3e2c16eaf09f6e0a76481be0d40509f1
Downloads: 437 desde 27 Setembro 2015
Informações:

This Service Manual is applicable only to the KC, KU model. CONTENTS 1. SPECIFICATIONS ... 5 2. FRONT PANEL FACILITIES ... 7 3. CONNECTION DIAGRAM ... 9 4. BLOCK DIAGRAM ... 11 5. CIRCUIT DISCRETIONS 5.1 AM Tuner ... 13 5.2 FM Tuner ... 13 5.3 FM Muting Circuit ... 15 5.4 Phono Equalizer Amplifier ... 15 5.5 Microphone Circuit ... 15 5.6 Tone Control ... 15 5.7 Protection Circuit ... 16 5.8 Power Amplifier Circuit ... 17 5.9 Power Supply ... 17 6. ADJUSTMENTS 6.1 AM Section ... 18 6.2 FM Section ... 19 6.3 MPX Adjustment ... 20 6.4 Power Amplifier Section ... 21 7. DIAL CORD STRINGING ... 22 8. LEVEL DIAGRAM ... 23 9. DISASSEMBLY ... 24 10. PARTS LOCATION 10.1 Front Panel View ... 25 10.2 Front Panel View (with removed front panel) ... 27 10.3 Top View ... 29 10.4 Bottom View ... 31 10.5 RearView ... 33 11. EXPLODED VIEW ... 35 11.1 Parti ... 37 11.2 Part II ... 38 11.3 Part III ... 39 11.4 Part IV ... 40 11.5 Part V ... 41 11.6 Part VI ... 42 11.8 Packing ... 44 12. SCHEMATIC DIAGRAMS P.C. BOARD PATTERNS AND PARTS LIST 12.1 Schematic Diagrams ... 45 12.2 Miscellaneous Parts ... 47 12.3 Internal Circuitry of Integrated Circuits ... 48 12.4 Filter & Muting Assembly (AWM-094) ... 50 12.5 Tone Control Assembly (AWG-046) ... 52 12.6 Power Amplifier Assembly (AWH-046) ... 54 12.7 Power Supply & Protection Assembly (AWR-099) ... 58 12.8 Power Supply Assembly (AWR-100) ... 62 12.9 Headphone Jack Assembly (AWX-106) ... 64 12.10 Tuner, AF & Control Assembly (AWE-073) ... 65 12.11 Amplifier Assembly (AWK-065) ... 73 12.12 De-emphasis Switch assembly (AWX-095) ... 74

Pioneer-7230-Manual-Page-1-Picture


Comments (1)

 
Topic: Pioneer SX-750
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kayjay
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Aug 2018
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kayjay says...

Volume control is missing from the schematics

 
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