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Service Manual Rock-Ola 424

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Item #: HR424K
Model Princess Royal, incl. parts list
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This Service Manual covers the cycle of operation, sound system, adjustments, parts list and more. Table of content:

  • Phonograph Installation
  • Coin Conversion Instructions
  • Cabinet Dome Adjustment
  • Phonograph Cycle of Operation
  • Descriptive Operation and Adjustment of Mechanism and Associated Parts
  • Selector Operation
  • Selector Removal
  • Carriage Adjustment
  • Turntable Adjustments
  • Tone Arm Adjustments
  • Descriptive Operation of Accmulator
  • Pushbutton Operation
  • Selection Sequence Diagrams (Write-In Sequence)
  • Selection Sequence Diagrams (Read-Out Sequence)
  • Pushbutton Assembly Removal
  • Intermix 33 1/3 & 45 RPM Turntable Operation
  • Amplifier Sound System
  • Parts List
87 pages plus fold-out sequences and amp schematic, spiralbound copy on 90 g paper in US-size, written in English

Note: The schematic is not included but can be ordered separately of course.

We recommend the following related products:

  • Rock-Ola Schematics
    for most models - please specify model ID
    Item #: HRO
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Manfred writes: 21.08.2019
Super dankeschön
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