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Fisher CA-857 User Manual

Fisher CA-857
16 pages
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Fisher CA-857 Specifications

General IconGeneral
BrandFisher
ModelCA-857
CategoryAmplifier
LanguageEnglish

Summary

Fisher CA-857 Specifications

Power Amplifier Section Specifications

Details on RMS power, bandwidth, and distortion for the power amplifier.

Preamplifier Section Specifications

Covers frequency response, input sensitivity, and impedance for the preamplifier.

Functional Block Diagram

Cabinet and Chassis Exploded View Part 1

Cabinet and Chassis Exploded View Part 2

Cabinet and Chassis Parts List

Power Amplifier Adjustment Procedures

Idling Current Adjustment

Detailed steps for adjusting the idling current for optimal amplifier operation.

Integrated Circuit Block Diagram Overview

Integrated Circuit Block Diagram Details

Phono Equalizer Amplifier IC LA 6458 DS

Block diagram and pinout for the LA 6458 DS Phono Equalizer IC.

Pre Amplifier IC LA 6458 S

Block diagram and pinout for the LA 6458 S Pre Amplifier IC.

LED Meter Drive Amplifier IC LB 1403 N

Block diagram and pinout for the LB 1403 N LED Meter Drive Amplifier IC.

Printed Circuit Board Parts List - Core

Key PCB Assemblies Parts

Component lists for Phono EQ, Function LED, Pre Amp, and Function PCBs.

Semiconductor Components List

List of semiconductor components across various PCBs.

Printed Circuit Board Parts List - Continued 1

Semiconductor and Main PCB Components

Component lists for Semiconductors and Main PCB Assemblies.

Printed Circuit Board Parts List - Continued 2

Semiconductor and Resistor Components

Component lists for Semiconductors and Resistors across PCBs.

Printed Circuit Board Parts List - Continued 3

Various PCB Assemblies Components

Component lists for Power Switch, Bias, Transistor, Terminal, and Speaker Out PCBs.

Phono EQ. P.C. Board Bottom View

Function LED P.C. Board Bottom View

Function P.C. Board Bottom View

Pre Amplifier P.C. Board Bottom View

Main Printed Circuit Board Bottom View

Power Switch P.C. Board Bottom View

Terminal P.C. Board Bottom View

Semiconductor Lead Identification

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