Manual for DV-PF73U

Manual for DV-PF73U

Brand: HITACHI

Category: Audio

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 9:16 p.m.

Manual Publish Date: 2003-02-01

  • Front Panel Controls: Basic functions like disc loading, power on/off, channel selection, playback, stop, recording, and output mode selection (DVD/VCR).
  • Remote Control Functions: Comprehensive control over DVD and VCR operations including playback modes, menu navigation, setup, zoom, subtitle selection, and audio settings.
  • Rear Panel Connections: Ports for antenna, audio output/input, component video output, coaxial digital audio, and antenna output.

Troubleshooting and error codes

ErrorDescriptionTroubleshooting Steps
Error 1 Reel rotation is abnormal.
  • Check Reel pulse with Oscilloscope (TP505).
  • Check for missing Reel pulse during PB/REC (SP 5s, EP 14s, FF/REW 4s).
  • Check D555/Q506 for pulse. If present, check Capstan Motor.
  • Capstan motor abnormal: C-FG pulse not entered for one second.
  • Check C-FG pulse on IC501 pin 49.
  • Check voltage on IC501 pins 1 and 2.
Error 2 Tape loading is abnormal. Mechanism not in normal position over 7 seconds.
  • Check MK-12 mechanism and replace faulty parts.
Error 3 Cassette loading is abnormal.
  • Cassette in: 3 seconds.
  • Cassette out (Eject): 5 seconds.
  • Check MK-12 mechanism and replace faulty parts.
Error 4 Drum motor rotation is abnormal. When Cassette in and Drum motor is rotating, D-PFD pulse does not enter over 1 second.
  • Check pulse at IC501 pin 47.
  • Check mechanism and replace Main micon (IC501).
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