JCY-1900 / JCY-1950 Voyage Data Recorder Service Manual (Edition 2) – PDF
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This is the official service manual for the Japan Radio Co. (JRC) JCY-1900 / JCY-1950 Voyage Data Recorder (VDR). It includes complete maintenance, troubleshooting, CE mode settings, system wiring diagrams, installation details, self-diagnostics, and the full component-level service procedures for all VDR units and sensors. Essential for marine technicians and VDR service engineers.
Description
JCY-1900 / JCY-1950 Voyage Data Recorder Service Manual (Edition 2) – PDF DOWNLOAD
Description
This is the complete factory-issued Edition 2 Service Manual for the JRC JCY-1900 and JCY-1950 Voyage Data Recorder Systems, used on commercial vessels to comply with IMO A.861(20) and IEC 61996 VDR regulations.
This manual provides full technical coverage for the complete VDR system—including the Data Recording Unit (DRU), Bridge Control Unit, microphones, sensors, playback software, and external interfaces. It includes detailed troubleshooting procedures, maintenance inspection guidelines, system diagnostics, and full wiring and interconnection diagrams required for professional onboard servicing.
The JCY-1900/1950 uses a modular design with redundant data storage, PCM voice acquisition, NMEA interface ports, CAN-bus communication, and long-duration crash-survivable memory. This service manual covers component specifications, installation requirements, configuration methods, and procedures for software updating and calibration.
Technicians will find the included system block diagrams, CE mode descriptions, periodic inspection checklists, error logs, alarm definitions, and diagnostic steps extremely useful for onboard repair and certification work.
This is the essential technical reference for any service engineer working with JRC VDR systems.
Table of Contents
1. GENERAL DESCRIPTION
Outline
System Configuration
System Specifications
System Diagram
Major Features
System Components
2. TECHNICAL DESCRIPTION
3. INSTALLATION
4. OPERATION
5. MAINTENANCE
6. TROUBLESHOOTING
7. SYSTEM INITIALIZATION / SETTING
Initialization Procedure
Setup Menu
System Mode
CE Mode
Recording Control
8. SYSTEM DIAGNOSTICS
Built-in Test
Error Log
Alarm Status
NMEA Monitor
9. TEST AND CHECK
10. DRAWINGS
Block Diagram
Interconnection Diagram (for service engineers)
📄 File Details
| Field | Details |
|---|---|
| Manual Name | JCY-1900 / JCY-1950 VDR Service Manual (Edition 2) |
| Models Covered | JRC JCY-1900, JCY-1950 Voyage Data Recorder |
| Year | Not explicitly stated (Edition 2) |
| PDF Quality | High-Quality Searchable OEM Manual |
| Total Pages | ~144 |
