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Fisher BA-6000 Service Manual

Fisher BA-6000
13 pages
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SERVICE
MANUAL
FISHE
BA-6000
Power
Amplifier
(EUROPE)
The
first
name
in
high
fidelity
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Fisher BA-6000 Specifications

General IconGeneral
Frequency response20Hz to 20kHz (±0.5dB)
Dimensions17.5 x 5.5 x 13.5 inches (W x H x D)
Weight28 lbs
Input Sensitivity (MM)2.5mV
Input Sensitivity (Line)150mV
Total harmonic distortion0.1% (at rated power)
Input sensitivity2.5mV (MM), 150mV (Line)

Summary

Specifications

Cabinet and Chassis Exploded View

Parts List Overview

Packing Parts List

List of components used for product packaging and protection during shipping.

Accessories Parts List

List of included accessories such as legs, fans, and documentation.

Cabinet Parts List

List of parts comprising the external cabinet and chassis structure.

Appearance Parts List

List of parts related to the unit's appearance, including knobs and decorative panels.

Chassis Parts List

List of parts used for mounting and supporting internal chassis components.

Power Amplifier P.C. Board (Bottom View)

Power Amplifier P.C.B. Assy Parts List

Detailed list of components for the Power Amplifier Printed Circuit Board Assembly.

L.E.D. P.C. Board (Bottom View)

L.E.D. P.C.B. Assy Parts List

Detailed list of components for the LED Printed Circuit Board Assembly.

Input/Meter P.C. Board (Bottom View)

Input/Meter P.C.B. Assy Parts List

Detailed list of components for the Input/Meter Printed Circuit Board Assembly.

Power Supply P.C. Board (Bottom View)

Power Supply P.C.B. Assy Parts List

Detailed list of components for the Power Supply Printed Circuit Board Assembly.

SP Select P.C. Board (Bottom View)

SP Select P.C.B. Assy Parts List

Detailed list of components for the Speaker Select Printed Circuit Board Assembly.

Adjustment of the Power Amp P.C. Board

Before Adjustment

Steps to follow before commencing any adjustments on the power amplifier board.

Zero Balance Adjustment

Procedure for adjusting the zero balance of the output voltage on the power amplifier.

Power Amp P.C. Board Layout

Explanation of Protective Circuits

Point to Point Wiring Diagram

Schematic Diagram

Semiconductor Lead Identification

Diodes

Identification of common diodes used in the unit, showing cathode and anode markings.

Transistors

Identification of common transistors used in the unit, showing pin configurations (B, C, E, S, D, G).

Integrated Circuit

Identification of integrated circuits used, showing pin numbering and lead configurations.

Power Amp IC STK0100II Equivalent Circuit

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