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Pioneer A-88X - Service Manual

Pioneer A-88X
22 pages
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Summary

Specifications

Front Panel Controls and Features

Power Switch and Indicator

Controls unit power ON/OFF and indicates status.

Speaker Selector Switch

Selects speaker systems for playback (A, B, A+B, OFF).

Mode Selector Switch

Selects playback mode (STEREO, REV, MONO).

Bass Tone Control

Adjusts low-frequency tones, flat at center.

Treble Tone Control

Adjusts high-frequency tones, flat at center.

Line Straight Switch and Indicator

Bypasses tone circuits for flat audio playback.

Phono Selector Switch

Sets turntable input for cartridge type (MM/MC).

Function Switches and Indicators

Selects audio input sources (CD, PHONO, TUNER, AUX).

Volume Control

Controls overall sound volume level.

Muting Switch and Indicator

Temporarily cuts sound volume by 20 dB.

Balance Control

Adjusts sound balance between left/right speakers.

Phones Jack

Headphone output jack.

Subsonic Filter Switch

Cuts frequencies below 15Hz to reduce rumble.

Tape Copy Switch and Indicator

Controls tape dubbing between decks.

Tape Monitor Switch and Indicator

Monitors tape playback or recording.

Parts Location Diagrams

Block Diagram

Exploded Views and Parts List

PC Board Connection Diagrams

Adjustment Procedures

Equalizer Adjustment

Adjusts the equalizer circuit for optimal performance.

Schematic Diagram

Electrical Parts List

Safety Information

Safety Precautions

Important safety checks and procedures for user and technician.

Product Safety Notice

Information on safety-related parts and component substitution.

Packing Details

Summary

Specifications

Front Panel Controls and Features

Power Switch and Indicator

Controls unit power ON/OFF and indicates status.

Speaker Selector Switch

Selects speaker systems for playback (A, B, A+B, OFF).

Mode Selector Switch

Selects playback mode (STEREO, REV, MONO).

Bass Tone Control

Adjusts low-frequency tones, flat at center.

Treble Tone Control

Adjusts high-frequency tones, flat at center.

Line Straight Switch and Indicator

Bypasses tone circuits for flat audio playback.

Phono Selector Switch

Sets turntable input for cartridge type (MM/MC).

Function Switches and Indicators

Selects audio input sources (CD, PHONO, TUNER, AUX).

Volume Control

Controls overall sound volume level.

Muting Switch and Indicator

Temporarily cuts sound volume by 20 dB.

Balance Control

Adjusts sound balance between left/right speakers.

Phones Jack

Headphone output jack.

Subsonic Filter Switch

Cuts frequencies below 15Hz to reduce rumble.

Tape Copy Switch and Indicator

Controls tape dubbing between decks.

Tape Monitor Switch and Indicator

Monitors tape playback or recording.

Parts Location Diagrams

Block Diagram

Exploded Views and Parts List

PC Board Connection Diagrams

Adjustment Procedures

Equalizer Adjustment

Adjusts the equalizer circuit for optimal performance.

Schematic Diagram

Electrical Parts List

Safety Information

Safety Precautions

Important safety checks and procedures for user and technician.

Product Safety Notice

Information on safety-related parts and component substitution.

Packing Details

Pioneer A-88X Specifications

General IconGeneral
BrandPioneer
ModelA-88X
CategoryAmplifier
LanguageEnglish

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