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Sony TA-A400 Service Manual

Sony TA-A400
28 pages
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Sony TA-A400 Specifications

General IconGeneral
TypeStereo Integrated Amplifier
Frequency Response10Hz to 100kHz
Total Harmonic Distortion0.03%
Damping Factor100
Input Sensitivity2.5mV (MM)
Signal-to-Noise Ratio86 dB (MM)
OutputHeadphones
Speaker Load Impedance4Ω to 16Ω
ImpedanceLine: 100 k ohms
Dimensions430 x 129 x 342 mm
Signal to Noise Ratio105 dB (Line)

Summary

Specifications

Model Identification

Electrical Adjustments

Bias Current Adjustment

Procedure for adjusting bias current for optimal performance.

Diagrams

Mounting Diagram

Diagram showing component placement on circuit boards.

Schematic Diagram

Detailed electronic circuit diagram illustrating component interconnections.

Exploded Views and Parts List

Exploded Views

Diagrams illustrating the assembly of mechanical and electronic parts.

Parts List

Comprehensive list of all mechanical and electronic parts for the unit.

Electrical Parts List

Troubleshooting

No Audio Output

Diagnosing and resolving issues related to no sound output.

Unbalanced Audio

Troubleshooting uneven or absent audio in one channel.

Abrupt Sound Loss

Identifying causes for sudden loss of audio from both speakers.

Audio Quality Issues

Addressing issues with bass response or sound imaging.

Tone Controls Not Working

Resolving problems where tone controls are unresponsive.

Recording Issues

Troubleshooting issues with recording program sources.

Noise Issues

Identifying and eliminating unwanted hum or noise in the audio.

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