Philips D6920 Mk2 Service Manual 2021 ⭐ Official

Introduction

• Step-by-step removal of the top cover, front fascia, and transport mechanism.
• Spring tension diagrams (crucial for the tape eject mechanism).

• Wow & Flutter: DIN weighted (<0.045%).
• Frequency Response: 30Hz-18kHz (Metal tape).
• Signal-to-Noise Ratio: 72dB with Dolby C.
• Why you need it: To know if your restored deck meets factory spec.

Conclusion

What’s Dated / Less Ideal (The Negatives):

• The manual describes head types (ferrite or permalloy), head gap orientation, and procedure to set azimuth for optimal high-frequency response using a 10 kHz test tape or tone. Typical adjustment steps:
  • Adjusting the tape transport system
  • Aligning the cassette mechanism
  • Setting the tension and torque for the reel-to-reel mechanism
  • Full circuit diagrams for: Power supply, Mic/Line input amp, Record amp, Playback amp, Dolby processor, and Transport logic.
  • Voltage readings at every test point (e.g., TP1: 15V, TP2: -15V).
  • Transistor pinouts (BC550C, etc.).

  As I pushed open the door, a bell above it rang out, and a bespectacled proprietor looked up from behind the counter. "Can I help you?" he asked, eyeing me with a mixture of curiosity and caution.