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Akai AA-5500 Service Manual

Akai AA-5500
26 pages
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Akai AA-5500 Specifications

General IconGeneral
Input Sensitivity2.5mV (MM), 150mV (line)
Speaker Load Impedance4Ω to 16Ω
Frequency Response20Hz to 20kHz
Signal to Noise Ratio70dB (MM)
Channel Separation55dB (MM)

Summary

Specifications

AA-5800 Model Specifications

Detailed specifications for the AA-5800 model, including power output, input sensitivity, and distortion.

AA-5500 Model Specifications

Detailed specifications for the AA-5500 model, including power output, input sensitivity, and distortion.

AA-5200 Model Specifications

Detailed specifications for the AA-5200 model, including power output, input sensitivity, and distortion.

Dismantling of Amplifiers

Upper Cover Removal Procedure

Instructions for removing the upper cover of the amplifier unit.

Bottom Plate Removal Procedure

Instructions for removing the bottom plate of the amplifier unit.

Arrangement of Main Parts

AA-5800 Internal Component Layout

Diagram showing the arrangement of main internal components within the AA-5800 model.

AA-5500 Internal Component Layout

Diagram showing the arrangement of main internal components within the AA-5500 model.

AA-5200 Internal Component Layout

Diagram showing the arrangement of main internal components within the AA-5200 model.

Measuring Method

Frequency Response Measurement

Procedure for measuring the frequency response of the amplifier using specified equipment.

Power Band Width Measurement

Procedure for measuring the power band width of the amplifier using specified equipment.

Hum and Noise Measurement

Procedure for measuring the hum and noise levels of the amplifier.

Signal to Noise Ratio Calculation

Procedure for calculating the signal-to-noise ratio of the amplifier.

Main Amplifier Adjustments

Idling Current Adjustment

Instructions for adjusting the idling current of the main amplifier using a specified procedure.

Output Signal Waveform Adjustment

Instructions for adjusting the output signal waveform for clipping symmetry.

Zero Electrical Potential Adjustment (AA-5800)

Procedure for adjusting the zero electrical potential on the main amplifier of the AA-5800.

EPC (Electric Protection Circuit) Adjustment

EPC Adjustment Procedure

Detailed procedure for adjusting the Electric Protection Circuit (EPC) of the amplifier.

Composite Views of Components

AA-5800 Component Views Overview

Overview of component layouts for the AA-5800 amplifier, detailing circuit board components.

AA-5800 Circuit Board Component Details

Detailed views of component placement on various circuit boards for the AA-5800 amplifier.

AA-5800 Component Layouts

Further composite views detailing component placement on circuit boards for the AA-5800.

AA-5500 Component Views Overview

Overview of component layouts for the AA-5500 amplifier, detailing circuit board components.

AA-5500 Circuit Board Component Details

Detailed views of component placement on various circuit boards for the AA-5500 amplifier.

AA-5500 Component Layouts

Further composite views detailing component placement on circuit boards for the AA-5500.

AA-5200 Component Views Overview

Overview of component layouts for the AA-5200 amplifier, detailing circuit board components.

AA-5200 Circuit Board Component Details

Detailed views of component placement on various circuit boards for the AA-5200 amplifier.

Schematic Diagrams (AA-5800)

AA-5800 EQ MIC AMP P.C. Board Schematic

Schematic diagram for the Equalizer and Microphone Amplifier PC Board (55-5315) of the AA-5800.

AA-5800 MIC EF.AMP P.C. Board Schematic

Schematic diagram for the Microphone Effects Amplifier PC Board (55-5329) of the AA-5800.

AA-5800 Mute P.C. Board Schematic

Schematic diagram for the Mute PC Board (55-5313) of the AA-5800.

AA-5800 Pre Tone Amp P.C. Board Schematic

Schematic diagram for the Pre Tone Amplifier PC Board (55-5312) of the AA-5800.

AA-5800 Filter Amp P.C. Board Schematic

Schematic diagram for the Filter Amplifier PC Board (55-5314) of the AA-5800.

Schematic Diagrams (AA-5800, cont.)

AA-5800 Main Amplifier P.C. Board Schematic Part 1

Schematic diagram for the Main Amplifier PC Board (55-5311) of the AA-5800 (Part 1).

AA-5800 Relay P.C. Board Schematic

Schematic diagram for the Relay PC Board (55-5316) of the AA-5800.

AA-5800 Regulator P.C. Board Schematic

Schematic diagram for the Regulator PC Board (55-5310) of the AA-5800.

AA-5800 Power Supply P.C. Board Schematic

Schematic diagram for the Power Supply PC Board (55-5309) of the AA-5800.

Schematic Diagrams (AA-5500)

AA-5500 MIC E-F Amplifier P.C. Board Schematic

Schematic diagram for the Microphone Effects Amplifier PC Board (55-5049) of the AA-5500.

AA-5500 EQ MIC AMP P.C. Board Schematic

Schematic diagram for the Equalizer and Microphone Amplifier PC Board (55-5024) of the AA-5500.

AA-5500 Pre Tone Amp P.C. Board Schematic

Schematic diagram for the Pre Tone Amplifier PC Board (55-5022) of the AA-5500.

AA-5500 Filter P.C. Board Schematic

Schematic diagram for the Filter PC Board (55-5023) of the AA-5500.

Schematic Diagrams (AA-5500, cont.)

AA-5500 Main Amplifier P.C. Board Schematic Part 1

Schematic diagram for the Main Amplifier PC Board (55-5021) of the AA-5500 (Part 1).

AA-5500 Power Supply P.C. Board Schematic

Schematic diagram for the Power Supply PC Board (55-5017) of the AA-5500.

AA-5500 Regulator P.C. Board Schematic

Schematic diagram for the Regulator PC Board (55-5020) of the AA-5500.

Schematic Diagrams (AA-5200)

AA-5200 EQ Amplifier P.C. Board Schematic

Schematic diagram for the Equalizer Amplifier PC Board (55-5211) of the AA-5200.

AA-5200 Loudness Control P.C. Board Schematic

Schematic diagram for the Loudness Control PC Board (55-5210) of the AA-5200.

AA-5200 Pre Tone Amp P.C. Board Schematic

Schematic diagram for the Pre Tone Amplifier PC Board (55-5022) of the AA-5200.

Schematic Diagrams (AA-5200, cont.)

AA-5200 Main Amplifier P.C. Board Schematic Part 1

Schematic diagram for the Main Amplifier PC Board (55-5209) of the AA-5200 (Part 1).

AA-5200 Power Supply P.C. Board Schematic

Schematic diagram for the Power Supply PC Board (55-5208) of the AA-5200.

AA-5200 Regulator P.C. Board Schematic

Schematic diagram for the Regulator PC Board (55-5020) of the AA-5200.

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