Tascam Cd401 Mkii Service Manual Site

When servicing the unit, use these specifications to verify proper operation after repairs.

  • Power Consumption: Approx. 25 Watts
  • Power Requirements: 120V AC (US) / 230V AC (EU) depending on region.

    • For those verifying unit authenticity or checking modifications:

    For the full schematic diagram and exact resistor/capacitor location maps, you must source the official PDF service manual from Tascam/Teac or an authorized audio service center.

    The Tascam CD-401 MKII Go to product viewer dialog for this item.

    is a professional-grade, 2U rackmount CD player released in 1994, designed specifically for broadcast and studio environments. It is known for its "built like a tank" construction and precise transport control. 1. Key Technical Specifications tascam cd401 mkii service manual

    The MKII version features several high-end audio components to ensure studio-quality playback:

    CD Mechanism: Uses the Sony KSS-151A laser pickup, a high-quality magnetic rail linear motor mechanism known for fast track access.

    Audio Conversion: Equipped with an 18-bit digital converter with 4x oversampling. Frequency Response: 20Hz to 20kHz. Signal-to-Noise Ratio: 94dB. Total Harmonic Distortion (THD): 0.008%.

    Dimensions & Weight: 482 x 88 x 280 mm (standard 19" 2U rack size); weighs approximately 8kg. 2. Service Manual Overview When servicing the unit, use these specifications to

    A comprehensive service manual for this unit typically includes the following critical sections for technicians:

    Exploded Views: Detailed diagrams of the tray and transport mechanism essential for disassembly and belt replacement.

    Schematic Diagrams: Circuit layouts for the main PCB, power supply, and front panel control board.

    Electrical Adjustments: Steps for calibrating laser power, focus, and tracking to ensure consistent disc reading. Power Consumption: Approx

    Parts List: Identification numbers for specific components like the tray motor, display LEDs, and ICs. 3. Common Maintenance & Repair Issues

    Based on its design, common service requirements often include:

    Before diving into the manual, it is important to understand the machine. The CD401 MkII differs from consumer CD players in several critical ways:

    Today, the warm, detailed sound of its dual 1-bit DACs (often the Philips TDA1549 or similar) makes it a sought-after component for home hi-fi systems. But when a unit fails, repair shops often refuse to touch it due to obsolete parts and a lack of documentation. This is where the service manual becomes your best friend.

    The TASCAM CD-401 MKII is a legendary broadcast-grade CD player, widely regarded for its tank-like build quality and superior digital-to-analog converters. If you own one of these units, you likely know that keeping them operational requires specific technical knowledge.

    Whether you are tackling a "No Disc" error or performing a laser replacement, the Service Manual is the single most important document for the job. Here is a breakdown of what the manual covers and why it is essential for repairs.