Hitachi D-E7 Cassette Deck Repair

Lets take a look what is happening with this relatively rare cassette deck from Hitachi!
It has a clone sister cassette deck Lo-D 7 !

Specs

Type: 3-head, single compact cassette deck
Track System: 4-track, 2-channel stereo
Tape Speed: 4.76 cm/s
Heads: 1 x record, 1 x playback, 1 x erase
Tape Type: type I, CrO2, Metal
Noise Reduction: B, C
Frequency Response: 30Hz to 19kHz  (Metal tape)
Signal to Noise Ratio: 75dB  (dolby C)
Wow and Flutter: 0.1%
Dimensions: 435 x 110 x 272mm
Finish: silver
Year: 1983

Video

Photos

Hitachi D-E7 Cassette Deck Repair melted belt
Hitachi D-E7 Cassette Deck Repair melted belt
Hitachi D-E7 Cassette Deck Repair Main Board
Hitachi D-E7 Cassette Deck Repair Main Board
Hitachi D-E7 Cassette Deck Repair - Dolby Boards
Hitachi D-E7 Cassette Deck Repair – Dolby Boards
Hitachi D-E7 Cassette Deck Repair - Dolby Boards
Hitachi D-E7 Cassette Deck Repair – Dolby Boards
Hitachi D-E7 Cassette Deck Repair - Display Controller Board
Hitachi D-E7 Cassette Deck Repair – Display Controller Board
Hitachi D-E7 Cassette Deck Repair - Main Board and Tape Mech
Hitachi D-E7 Cassette Deck Repair – Main Board and Tape Mech
Hitachi D-E7 Cassette Deck Repair - VFL Display
Hitachi D-E7 Cassette Deck Repair – VFL Display
Hitachi D-E7 Cassette Deck Repair - Transformer
Hitachi D-E7 Cassette Deck Repair – Transformer
Hitachi D-E7 Cassette Deck Repair - Switches
Hitachi D-E7 Cassette Deck Repair – Switches
Hitachi D-E7 Cassette Deck Repair - Front Panel Buttons
Hitachi D-E7 Cassette Deck Repair – Front Panel Buttons
Hitachi D-E7 Cassette Deck Repair - Record and Playback head
Hitachi D-E7 Cassette Deck Repair – Record and Playback head
Hitachi D-E7 Cassette Deck Repair - Record and Playback head
Hitachi D-E7 Cassette Deck Repair – Record and Playback head
Hitachi D-E7 Cassette Deck Repair - Idler Tyre
Hitachi D-E7 Cassette Deck Repair – Idler Tyre

Documentation

About the Author
Love to tinker all day long
  1. Fabian Reply

    I think you’re the only person I’ve seen do any work on the Hitachi D-E7 on the internet, never have I been able to find any more information on this unit after I inherited one from a friend a few years back.

    So I gotta ask, which belts did you use to fix playback? My unit has the same issues, and I haven’t gotten around to sizing the belts properly

    Thanks

    • Misha Reply

      Hi Fabian, let me check, but I though I did state this in one of my videos.
      Can you check the video please?

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