Sherwood AX-7R - User Manual

AX-7R
STEREO INTEGRATED AMPLIFIER
= CONTENTS &
Safety
PreCaUutiONS
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Specifications
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IC's
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Schematic
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Troubleshooting
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Transistors
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Mechanical
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S Sherwood

Summary

Safety Precautions

Specifications

Detailed technical parameters for the amplifier's performance and capabilities.

Circuit Description

Pin Connection

Detailed pinout and function for the µPD 75108CWX14 IC.

Block Diagram

High-level overview of the amplifier's internal functional blocks and their connections.

Block Diagram

Wiring Diagram

Troubleshooting

Mechanical Parts List

Exploded View I

Exploded View II

Printed Circuit Boards

ICs Lead Identification & Internal Diagram

Schematic Diagram I

Schematic Diagram II

Transistors Lead Identification

Sherwood AX-7R Specifications

Power

continuous average power output	50 W
power consumption	460 W

Input Sensitivity

phono (mm) input sensitivity	25 mV
tuner/cd/aux/tape input sensitivity	160 mV
phono input overload	180 mV

Signal and Noise

signal to noise ratio for phono (mm)	16 dB
signal to noise ratio for tuner/cd/aux/tape	103 dB
function crosstalk from aux to cd	90 dB

Frequency Response

phono (mm) frequency response	30~20, 000 Hz
tuner/cd/aux/tape frequency response	5 Hz~280 kHz

Weight and Dimensions

dimensions	440 x 100 x 330 mm
dimensions (inches)	17-5/16 x 3-7/8 x 12-15/16 inches
weight	10.5 kg
weight (lbs)	23.2 lbs