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Pioneer SA-610 Service Manual

Pioneer SA-610
23 pages
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Pioneer SA-610 Specifications

General IconGeneral
Frequency Response10 Hz to 50 kHz
Damping Factor30 (8 ohms)
Input Sensitivity2.5mV (MM), 150mV (line)
Speaker Load Impedance4 ohms to 16 ohms
Dimensions420 x 142 x 362 mm
Channel Separation65 dB
Power Output30 watts per channel (8 ohms, 20Hz-20kHz)

Summary

SPECIFICATIONS

Semiconductors

Lists the types and quantities of semiconductor components used in the amplifier.

Amplifier Section Details

Details the power output, distortion, and input characteristics of the amplifier.

Frequency Response

Specifies the audio frequency range the amplifier can reproduce accurately.

Tone Control & Filters

Describes tone adjustments, subsonic filter, and loudness compensation.

Noise & Miscellaneous Specs

Quantifies the amplifier's noise floor and lists power requirements and dimensions.

Furnished Parts

Mentions included accessories like operating instructions.

FRONT PANEL FACILITIES

Power Switch & Speaker Selector

Explains the power on/off button and speaker system selection options.

Tone & Function Controls

Details bass/treble adjustment and input source selection methods.

Volume, Headphone & Indicators

Describes volume control, headphone jack usage, and indicator lights.

Special Function Switches

Explains loudness, subsonic filter, and tape monitoring switches.

Balance Control

Details how to adjust the sound balance between left and right channels.

DISASSEMBLY

Case & Panel Removal

Instructions for removing the bonnet case, front panel, and bottom plate.

Front Panel Parts Location

Diagram and labels for components on the front panel.

COMPONENT LAYOUT VIEWS

Front Panel Removed View

Diagram showing internal components visible from the front.

Top & Rear Panel Views

Diagrams showing internal components and rear panel connections.

BLOCK DIAGRAM

LEVEL DIAGRAM

CIRCUIT DESCRIPTIONS

Equalizer Amplifier Circuit

Explains the design and function of the equalizer amplifier stage.

Power Amplifier Circuit

Details the complementary SEPP power amplifier circuit and its performance.

Protection Circuit Function

Describes the circuit protecting speakers from DC voltage and muting signal.

ADJUSTMENTS

Idle Current Adjustment Procedure

Procedure for setting the idle current for optimal performance.

Output Indicator Calibration

Steps to calibrate the output power indicator level.

EXPLODED VIEWS AND PARTS LIST

Exterior Component Diagram

Exploded view diagram of the amplifier's external parts.

Exterior Parts List

List of part numbers and descriptions for external components.

Interior Component Diagram

Exploded view diagram of the amplifier's internal components.

Interior Parts List

Comprehensive list of part numbers and descriptions for internal components.

SCHEMATIC DIAGRAMS & PARTS

Miscellaneous Information

Explains resistor coding, safety marks, and lists assemblies/semiconductors.

Schematic Diagram

Detailed circuit schematics for the amplifier's main sections.

Transistor & IC Appearance

Diagrams showing the pinouts and types of transistors and ICs.

PC Board Connection Diagrams

Diagrams showing how components connect on the printed circuit boards.

PC Board Parts List

Detailed list of components on the amplifier's PC boards.

Sub-Assembly Parts Lists

Lists of components for specific assemblies like tone, switches, and volume.

PACKING

Packing Related Parts List

Lists parts related to the packing and shipping of the unit.

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