Parts/Service for DA-500/DA-501

Parts/Service for DA-500/DA-501

Brand: HITACHI

Category: Audio

Document Type: Parts/Service

Language: EN

Available Languages: EN , ES

Uploaded: Nov. 21, 2025, 7:33 p.m.

Manual Publish Date: 1985-07-01

Warranty Information

Warranty information is not explicitly stated in the provided pages.

Key Features

  • Compact Disc Player with semiconductor laser pickup.
  • High-performance sound reproduction with 95 dB SN Ratio and 95 dB Dynamic Range.
  • Features include contactless signal detection, low distortion (0.003%), and minimal wow/flutter (<0.001%).
  • Horizontal front loading system for easy disc insertion.
  • Luxurious functions: Random Memory Search, Direct Search, Skip Search, Manual Search, Index Search, Repeat Playback, High-Speed Access.
  • DA-501 also includes a Headphones Terminal with Level Control.
  • Wireless Remote Control compatible (RB-501).

Basic Operation

To play a disc, place it on the horizontal disc table and press the 'Play' button. Various search and repeat functions can be accessed using dedicated buttons. For detailed operations like programming tracks, refer to the respective sections in the manual.

Troubleshooting and error codes

ProblemCheck PointResultAction
No sound or distorted sound Audio signal applied at L, R OUT? Yes Defective IC505 and periphery
No Defective pickup and TR off-set Check pickup and TR-offset.
Laser not functioning Laser unit operates on 40-80 mA current. Exceeds 100 mA Laser may be defective.
Disc tracking performance degraded Feed bar is loose. Yes Bend bar plate B.
No Inspect Feed Bar.
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