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Sansui 881 Service Manual

Sansui 881
31 pages
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Sansui 881 Specifications

General IconGeneral
Power Output60 watts per channel into 8Ω (stereo)
Frequency Response10Hz to 30kHz
Signal to Noise Ratio (MM)70dB
Tuning RangeFM, MW
Damping Factor50
Input Sensitivity (MM)2.5mV
Input Sensitivity (Line)150mV
Channel Separation (MM)50dB
Channel Separation (Line)50dB
Output (Line)150mV
Speaker Load Impedance4-16 ohms
Total Harmonic Distortion0.1% (at rated power)

Summary

Sansui 881 Receiver Specifications

Sansui 881 Block Diagram and Signal Levels

Sansui 881 Alignments and Adjustments

Driver Circuit Board Adjustment

Procedure for adjusting the DC offset and bias current on the driver circuit board.

FM IF Alignment

Steps for aligning the FM Intermediate Frequency (IF) stages for optimal performance.

FM Dial Calibration and RF Alignment

Procedures for calibrating the FM dial, reducing mono distortion, and performing RF alignment.

MPX Alignment

Steps for aligning the Multiplex (MPX) section for proper stereo separation and decoding.

AM IF and RF Alignment

Procedures for aligning the AM Intermediate Frequency (IF), dial, and Radio Frequency (RF) stages.

Sansui 881 Troubleshooting Guide

Power Supply Troubleshooting

Identifies common power supply issues, check points, and potential causes for the receiver.

Audio Section Troubleshooting

Guides for diagnosing and resolving problems within the audio circuitry of the receiver.

Tuner Section Troubleshooting

Steps for diagnosing and resolving issues related to the AM/FM tuner reception.

Sansui 881 Parts Identification

F-1507 Tuner Circuit Board Components

Identifies components and their locations on the F-1507 Tuner Circuit Board.

F-1519C FM Pack Component Details

Lists and locates components for the F-1519C FM Pack circuit board.

F-2433 Equalizer Circuit Board Parts

Details components and their placement on the F-2433 Equalizer Circuit Board.

F-2432 Input Terminal Board Components

Identifies parts and their locations on the F-2432 Input Terminal Board.

F-2434 Tone Control Board Parts

Lists and locates components for the F-2434 Tone Control Circuit Board.

F-2435 Filter Circuit Board Components

Identifies components and their placement on the F-2435 Filter Circuit Board.

F-2436 Driver Circuit Board Parts

Details components and their locations on the F-2436 Driver Circuit Board.

F-2437 Power Supply Board Components

Lists and locates components for the F-2437 Power Supply Circuit Board.

Front Panel Parts Identification

Lists and identifies various front panel components and hardware.

Top Side Component Details

Identifies components located on the top side of the chassis.

Bottom Side Component Details

Lists and identifies components found on the bottom side of the chassis.

Sansui 881 Dial Cord Installation

Dial Cord Threading Procedure

Step-by-step guide for correctly threading the dial cord onto the tuning mechanism.

Dial Pointer Attachment Guide

Instructions for attaching the dial pointer to the dial scale for accurate tuning indication.

Sansui 881 Schematic Diagram

Sansui 881 Packaging Contents

Sansui 881 Included Accessories

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