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Pioneer SA-5800 User Manual

Pioneer SA-5800
22 pages
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In
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Model
SA-5800
Service
anual
STEREO
AMPLIFIER
A-58S00
A-50&
Q)
PIONEER’
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Pioneer SA-5800 Specifications

General IconGeneral
Total Harmonic Distortion0.05%
Input Sensitivity2.5mV (MM), 150mV (line)
Damping Factor30
Speaker Load Impedance4Ω to 16Ω
Channel Separation50 dB
TypeIntegrated Amplifier
Frequency Response20Hz to 20kHz
OutputSpeakers
Dimensions420 x 150 x 269mm

Summary

Specifications

Front Panel Facilities

Power Switch

Controls power supply to the amplifier.

Speaker Selector

Selects speaker systems A, B, or A+B.

Power Meter

Displays rated power level on the fluorescent display tube.

Function Indicators

Indicate selected program source on the meter panel.

Loudness Switch

Accentuate bass at low volume levels.

Volume Control

Adjusts output level to speakers and headphones.

Headphone Jack

Allows listening through stereo headphones.

Bass and Treble Controls

Adjusts bass and treble frequencies for sound shaping.

Balance Control

Balances volume between left and right audio channels.

Subsonic Filter Switch

Attenuates frequencies below 15Hz to suppress noise.

Function Selector

Selects the audio program source.

Tape Monitor Switches (1, 2)

Monitor recording or playback from tape decks.

Block Diagram

Circuit Descriptions

Equalizer Amplifier

Details the 2-stage direct-coupled equalizer amplifier design.

Power Amplifier

Describes the pure complementary SEPP power amplifier circuit.

Power Supply Muting

Explains circuit for eliminating click noise during power on/off.

Indicator Circuit

Describes the fluorescent indicator tube drive circuit.

Disassembly

Side Covers and Top Cover

Instructions for removing side and top covers.

Bottom Plate

Procedure for removing the bottom plate.

Front Panel

Steps to remove knobs and the front panel assembly.

Adjustments

Idle Current Adjustment

Procedure for setting the amplifier's idle current.

Output Indicator Adjustment

Steps to adjust the output power indicator levels.

Parts Location

Front Panel View

Identifies parts on the front panel.

Front View with Panel Removed

Shows part locations after panel removal.

Top View

Identifies components visible from the top.

Rear Panel View

Shows connectors and terminals on the rear panel.

Exploded Views

Schematic Diagram, P.C. Board Patterns and Parts List

9.1 Miscellanea

Lists miscellaneous parts like switches, fuses, and PC board assemblies.

9.2 Schematic Diagram

Detailed circuit schematic diagram of the amplifier.

9.3 P.C. Boards Connection Diagram

Diagrams showing connections between different PC boards.

9.4 Parts List of P.C. Board Assemblies

Lists components for specific PC board assemblies.

Packing

Supplements for Model SA-508/KU

Contrast of Miscellaneous Parts

Compares miscellaneous parts between SA-508/KU and SA-5800/KU.

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