Description

• New rubber belts
• New Azimuth Adjustment Screw

Power Supply and Logic PCB, fully overhauled and upgraded.

All operating voltages rectified, filtered and stabilized.

Playback head & recording head & erase head – demagnetized.

Reference voltage aligned.

Transport Section Mechanism Adjusted

• Offset Control Cam Mechanism Adjusted
• Stop: 0 V [2.0 V]
• Fast (F.F./Rew.): -2.0 V [2.0 V]
• Pause: -6.5 V [ 2.6 V]
• Play: -9.1 V [2.6 V]

• Reel Motor Speed in Play Mode Adjusted
• Record Head and Playback Head Tilt Adjusted
• Head Base Stroke Adjusted
  • Head Base Stroke in Play Mode Adjusted
  • Head Base Stroke in Cue Mode Adjusted
• Erase Head Stroke Adjusted
• Tape Guide Height Adjusted
• Erase Head Height and Tilt Adjusted
• Back Tension Adjusted
• Playback Head Height Adjusted and Azimuth Aligned
• Record Head Height Adjusted and Azimuth Aligned
• Record Head Stroke Adjusted
• Tape Travelling Adjusted
• Flywheel Assembly Height Adjusted

The tape transport mechanism was completely disassembled, cleaned and lubricated.

Audio Alignments

• Tape Speed and Motor Gain Adjusted
• Tone Level Calibrated
• Meter Level Calibrated
• MPX Filter Adjusted
• Playback Head Track Aligned
• Playback Head Azimuth Aligned
• Playback Level Calibrated
• Playback Frequency Response Adjusted
• Bias Oscillation Frequency Adjusted
• Erase Current Adjusted
• Record Amplifier Equalizer Adjusted
• Bias Trap (Record Amplifier) Adjusted
• Record Head Height Adjusted
• Record Head Azimuth Aligned
• Record Level Calibrated
• Recording Bias Current Adjusted