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Sansui A-1100 User Manual

Sansui A-1100
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Sansui A-1100 Specifications

General IconGeneral
BrandSansui
ModelA-1100
CategoryAmplifier
LanguageEnglish

Summary

Specifications

Power Output

Min. RMS, both channels driven, 20Hz-20kHz, <0.05% THD.

Total Harmonic Distortion

Less than 0.05% at or below rated power.

Frequency Response

5Hz - 60kHz, +1dB, -2dB.

RIAA Curve Deviation

PHONO, 20Hz-20kHz, ±0.5dB.

Input Sensitivity and Impedance

PHONO: 2.5mV/47kΩ, TUNER/TAPE: 150mV/47kΩ.

Output Level

TAPE REC: 130mV/47kΩ.

Signal to Noise Ratio

PHONO: 72dB, TUNER/TAPE: 95dB.

Power Requirements

120/220/240V (50/60Hz).

Dimensions

430W x 112H x 250D mm.

Weight

7.0 kg net.

Cautionary Notes

Safety Precautions

Critical parts identified by symbol, leakage current measurement required.

Cautionary Notes

Safety Symbols and Approvals

Explains UL, CSA, SA, BS, UK, EU, AS, XX symbols for market compliance.

Printed Circuit Board Handling

Notes on PCB availability and component ordering.

Abbreviations List

Defines component abbreviations used in the manual.

Block Diagram

Signal Flow Overview

Illustrates signal paths from input to output via various stages.

Input Selector Logic

Shows how input signals are routed based on selector positions.

Power Amplifier and DC Servo

Details the power amplification and protection circuits.

Parts Location and Parts List

F-4759 Equalizer Amp. Board

Component and chip parts layout for the equalizer amplifier.

F-4761 Tone Control Board

Component and chip parts layout for the tone control circuit.

F-4762 Driver Amp. Board

Component layout for the driver amplifier and power amp sections.

Parts Location and Parts List

F-4766 Input Selector Control Board

Component layout for the input selector control board.

F-4767 Input Signal Selector Board

Component layout for the input signal selector board.

Parts Location and Parts List

F-4769 CD/AUX, TAPE-1 & TAPE-2 Terminal Board

Component layout for CD/AUX, TAPE-1, TAPE-2 terminal board.

F-4765 Protector Board

Component layout for the protector circuit board.

F-4770 PHONO, TUNER COMPU SELECTOR Terminal Board

Component layout for PHONO, TUNER, COMPU SELECTOR terminals.

Parts Location and Parts List

F-4773 Tone Control & Indicator Board

Component layout for tone control and indicator functions.

F-4774 Volume, Muting & Loudness Board

Component layout for volume, muting, and loudness controls.

Parts Location and Parts List

F-4775 Power Amp. & Power Supply Board

Component layout for power amplifier and power supply circuits.

Parts Location and Parts List

F-4779 PHONES Jack, SPEAKERS SW. & POWER SW. Board

Component layout for audio jacks and power switches.

Adjustment Procedure

Bias Current Adjustment

Procedure to adjust bias current for L-CH and R-CH.

Other Parts

Front View Parts

List of parts visible on the front panel.

Top View Parts

List of parts visible on the top chassis.

Interior Block Diagram of ICs

STK3102-2A (Driver Amp. IC)

Block diagram for the driver amplifier integrated circuit.

TA7317P (Speaker Protector IC)

Block diagram for the speaker protector integrated circuit.

LC4066BH/LC4699 (Quad Analog SW. IC)

Block diagram for the quad analog switch integrated circuit.

NJM4558D (OP Amp. IC)

Block diagram for the operational amplifier integrated circuit.

M5218L (OP Amp. IC)

Block diagram for the operational amplifier integrated circuit.

Packing List

Packing Materials

List of materials used for packaging the unit.

Accessory List

Included Accessories

List of accessories provided with the unit.

Schematic Diagram

Overall Schematic

Complete circuit schematic showing all interconnected boards.

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