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Pioneer PL-55X Service Manual

Pioneer PL-55X
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Pioneer PL-55X Specifications

General IconGeneral
BrandPioneer
ModelPL-55X
CategoryTurntable
LanguageEnglish

Summary

Pioneer PL-55X Specifications

Motor and Turntable Specifications

Details on the motor type, drive system, speed, wow/flutter, S/N, and platter.

Tonearm Specifications

Specifications for the tonearm type, effective length, cartridge weight, and overhang.

Tonearm Subfunctions

Description of tonearm system features like auto-return, skating force canceler, and arm elevation.

Included Accessories

List of accessories provided with the turntable, such as weight plate and record adaptor.

Miscellaneous Specifications

Information on power requirements, power consumption, outer dimensions, and weight.

Pioneer PL-55X Parts and Functions

Stroboscope Operation

Explanation of how to use the stroboscope for speed checking and the strobolight function.

Cartridge Stylus Cover Usage

Instructions on using the protective cover for the cartridge stylus when the unit is not in use.

Function Lever Operation

Details on the operation of the function lever for starting, pausing, and stopping playback.

45 RPM Record Adaptor

Information about the 45 RPM record adaptor for playing EP records with large center holes.

Pioneer PL-55X Operation of Motor and Mechanism

Motor Operation Details

Explanation of the motor control construction and how the pole position detector and driver circuits function.

Prior to Start of Playing Procedure

Step-by-step guide on preparing the turntable and initiating playback of a record.

Automatic Return Operations

Description of the automatic tonearm return sequence when a record ends or is interrupted.

Manual Stopping Procedure

Instructions on how to manually stop the turntable operation using the function lever.

Pioneer PL-55X Adjustments

Tonearm Not Returning to Arm Rest

Troubleshooting steps for when the tonearm fails to return to its rest position after playing.

Tonearm Returns Prematurely

Diagnosing and fixing issues where the tonearm returns before the record finishes.

Incorrect Tonearm Return Speed

Guidance on adjusting the tonearm return speed if it is too slow or too fast.

Tonearm Stops Before Arm Rest

Troubleshooting for the tonearm stopping its return motion before reaching the arm rest.

Tonearm Hits Inside of Arm Rest

Steps to adjust the tonearm height to prevent it from hitting the inside of the arm rest.

Tonearm Bounding in Arm Rest

Correcting issues where the tonearm hits and bounds within the arm rest area.

Arm Elevator Speed Adjustment

Procedure for adjusting the speed of the arm elevator's vertical movement.

Turntable Not Turning or Stopping

Troubleshooting steps for when the turntable fails to start or stop correctly.

Shorting Switch Contacts Adjustment

Adjusting the shorting switch contacts to prevent noise during tonearm return.

General Adjustment Procedure

A general procedure for making various adjustments to the turntable mechanism.

Motor Speed Adjustment

Instructions for adjusting the motor speed when fine speed controls are insufficient.

Pioneer PL-55X Schematic Diagrams and PC Board Pattern

Schematic Diagrams Overview

Introduction to the schematic diagrams and PC board patterns included in the manual.

Power Supply Circuit Diagram

Detailed schematic diagram for the power supply circuit assembly (KWR-033).

Pioneer PL-55X Exploded View

Main Panel Assembly Details

Detailed exploded view of the turntable's main panel and its components.

Auto Return Assembly Details

Detailed exploded view of the auto return assembly (PXA-056) and its parts.

Speed Selector Assembly Details

Detailed exploded view of the speed selector assembly (KXA-766) and its components.

Tone Arm Assembly Details

Detailed exploded view of the turntable's tone arm and its associated parts.

Circuit Board Assembly Details

Detailed exploded view of the main circuit board and its mounting hardware.

Anti-Skating Assembly Details

Detailed exploded view of the anti-skating assembly (KXB-216) and its parts.

PU-Plate Assembly Details

Detailed exploded view of the PU-plate assembly (PXA-065) and its components.

Power Supply Circuit Assembly Details

Detailed exploded view of the power supply circuit assembly (KWR-033) and its parts.

Start Lever Assembly Details

Detailed exploded view of the start lever assembly (KXA-761) and its components.

Upper Board Assembly Details

Detailed exploded view of the upper board, dust cover, and associated hardware.

Under Board Assembly Details

Detailed exploded view of the under board, insulators, and bottom cover.

Packing Method Instructions

Instructions and diagrams for packing the turntable for shipping or storage.

Accessory Case Assembly Details

Detailed exploded view of the accessory case and the items it contains.

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