Hohner Clavinet D6 - User Manual

Clavinet D6 Disassembly Guide
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Clavinet D6 Disassembly Guide
Step One
Start By removing the two thumbscrews located on the lower front panel.
Remove the front panel by pulling down on
its top ledge, it is partially seated in a notch
on the left wood panel and it sits below the
right wood panel.

Summary

Clavinet D6 Disassembly Guide

Step One: Remove Front Panel Screws

Remove the two thumbscrews on the lower front panel before detaching the front panel.

Remove Front Panel

Pull the front panel down from its top ledge, noting its seating in a notch and below the right panel.

Step Two: Right Panel Disassembly

Remove Right Panel Thumbscrew

Locate and remove the thumbscrew in the upper right hand corner of the right wood panel.

Detach Right Panel and Damper Mechanism

Pull the wood panel out, observing the elongated metal piece and the attached red wheel damper mechanism.

Step Three: Left Panel Removal

Remove Left Panel Thumbscrew

Remove the thumbscrew at the top of the left wood panel containing switches and volume control.

Position Electrically Attached Left Panel

Set the electrically attached left wood panel behind the wood block, standing it up.

Step Four: Keyboard Assembly Screws

Remove Keyboard Left Side Screws

Locate and remove two screws on the left side of the keyboard assembly, including a 'castle-nut' shaped one.

Remove Keyboard Right Side Screws

Locate and remove the two screws situated on the right side of the keyboard assembly.

Remove Keyboard Brace Screw

Remove the screw from the small brace located beneath the keys in the center of the keyboard.

Lift Keyboard Assembly

Grasp the keyboard assembly by the metal bars and lift it off the four supporting studs.

Final Access

Lift Keyboard with Two Hands

Lift the keyboard assembly off using two hands for stable removal, as demonstrated.

Direct Access Achieved

Congratulations on gaining direct access to the strings and the keyboard assembly.

Overview

1. Function Description
2. Important Technical Specifications (Inferred from Disassembly)
3. Usage Features (Indirectly related to Disassembly)
4. Maintenance Features (Directly related to Disassembly)

The provided document outlines a detailed disassembly guide for a Hohner Clavinet D6, a well-known electromechanical keyboard instrument. This guide, spanning five pages, systematically breaks down the process of accessing the internal components, specifically the strings and keyboard assembly, which are crucial for maintenance, repair, or modification.

Function Description:

The Hohner Clavinet D6 is an electromechanical keyboard instrument that produces sound by striking strings with rubber tips attached to the keys, similar to a clavichord. The vibrations of these strings are then picked up by electromagnetic pickups, much like an electric guitar, and amplified. This unique sound production method gives the Clavinet its distinctive "funk" or "wah-wah" tone, making it a staple in various music genres, particularly funk, R&B, and rock, from the late 1960s through the 1980s. The disassembly guide focuses on providing access to the internal mechanisms, which are essential for its proper functioning. This includes the strings, dampers, and the keyboard assembly itself. The ability to access these components is vital for tasks such as replacing worn-out strings or rubber tips, adjusting damper mechanisms, cleaning internal parts, or troubleshooting electrical issues related to the pickups or wiring.

Important Technical Specifications (Inferred from Disassembly):

While the document doesn't explicitly list technical specifications, the disassembly process reveals key structural and mechanical aspects:

• Construction: The Clavinet D6 features a robust construction with wood panels for the casing and keyboard supports. The guide highlights the removal of a "lower front panel," "right wood panel," and "left wood panel," indicating a multi-panel enclosure design.
• Fasteners: The primary fasteners used for external panels are "thumbscrews," suggesting a design intended for relatively easy, tool-free access to certain parts. Internal components, particularly the keyboard assembly, utilize standard screws (e.g., "castle-nut" shaped screw, standard screwdriver screws), indicating a more secure fastening for critical structural elements.
• Keyboard Assembly: The keyboard assembly is a distinct unit, secured by multiple screws on both the left and right sides, and a central brace. It rests on "4 studs," implying a precise mounting system that allows for its removal as a single unit.
• Damper Mechanism: A specific "damper mechanism" is identified, consisting of an "enlongated piece of metal" and a "small red wheel attached to the panel that rolls underneath the metal." This mechanism is crucial for controlling string sustain and muting, a fundamental aspect of the Clavinet's sound.
• Electrical Components: The "left wood panel" is noted to contain "binary switches and volume control" and is "electrically attached to the keyboard." This confirms the presence of integrated control electronics within the instrument's design, which are part of its active sound shaping capabilities.
• Internal Access: The ultimate goal of the disassembly is to gain "direct access to the strings and the keyboard assembly," which are the core sound-producing and playing components of the instrument. This implies that these elements are housed within the main body of the Clavinet, beneath the removable panels and keyboard.

Usage Features (Indirectly related to Disassembly):

The disassembly guide doesn't directly describe usage features but rather the process of preparing the instrument for maintenance or repair. However, understanding the internal structure provides insight into its playability and sound:

• Playability: The keyboard assembly, once removed, reveals the underlying mechanics that translate key presses into string strikes. The design suggests a responsive key action, typical of electromechanical instruments, allowing for dynamic playing.
• Sound Control: The "binary switches and volume control" on the left panel are direct usage features, allowing the player to shape the instrument's tone and output level. These controls are integrated into the removable panel, indicating their accessibility during normal operation.
• Damper Control: The damper mechanism, while internal, is crucial for the player's control over sustain. Its design suggests a system that can be adjusted or repaired to ensure proper muting or ringing of the strings, impacting the instrument's expressive capabilities.

Maintenance Features (Directly related to Disassembly):

The entire document serves as a maintenance guide, detailing the steps required to access internal components for various maintenance tasks:

• Front Panel Removal (Step One): This initial step, involving the removal of two thumbscrews, provides access to the area directly beneath the keys, potentially for cleaning or minor adjustments to the keybed or wiring. The panel's seating in a "notch" and below another panel suggests a secure yet removable design.
• Right Wood Panel Removal (Step Two): This step is critical for accessing and maintaining the "damper mechanism." The guide explicitly mentions pulling up an "enlongated piece of metal" and pulling the panel "straight out," indicating a specific procedure to avoid damage to the damper wheel. This access is vital for cleaning, lubricating, or repairing the damper system, which directly affects the instrument's sustain and muting.
• Left Wood Panel Removal (Step Three): While this panel is "electrically attached," the instruction to "simply set it behind the wood block standing up" implies that it can be moved aside without disconnecting, allowing access to the area beneath it, likely for wiring inspection or repair related to the switches and volume control.
• Keyboard Assembly Removal (Step Four): This is the most significant maintenance step, as it provides "direct access to the strings and the keyboard assembly." This level of access is essential for:
  • String Replacement: Clavinet strings can break or lose their tone over time, requiring replacement.
  • Rubber Tip Replacement: The rubber tips on the key hammers wear out, affecting the attack and tone.
  • Pickup Adjustment/Repair: The electromagnetic pickups might need adjustment or repair to ensure proper signal output.
  • Keybed Maintenance: Cleaning, lubricating, or repairing individual keys or the keybed mechanism.
  • Internal Wiring Inspection: Checking for loose connections or damaged wiring within the instrument.
  • General Cleaning: Removing dust and debris from the internal components to prevent malfunctions.
• Tool Requirements: The guide specifies the use of a "standard screwdriver" for certain screws, indicating that specialized tools are not extensively required for basic disassembly, making maintenance more accessible to the average user. The use of thumbscrews further simplifies initial access.

In summary, the Hohner Clavinet D6 Disassembly Guide is an invaluable resource for anyone needing to perform maintenance or repairs on this classic instrument. It systematically details the removal of external panels and the keyboard assembly, providing crucial access to the internal strings, dampers, and electrical components that define the Clavinet's unique sound and functionality. The design, as revealed through the disassembly process, emphasizes a balance between structural integrity and maintainability, utilizing both tool-free thumbscrews and standard screws for different levels of access.

Hohner Clavinet D6 Specifications

General

Brand	Hohner
Model	Clavinet D6
Category	Electronic Keyboard
Language	English