JRC JCY-1900 / JCY-1950 VDR Voyage Data Recorder Service Manual – PDF
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Official JRC JCY-1900 / JCY-1950 Simplified Voyage Data Recorder (S-VDR / VDR) Service Manual.
Includes system configuration, wiring diagrams, capsule handling, maintenance procedures, annual inspection checklists, troubleshooting, and replacement part specifications. OEM Searchable PDF for marine service technicians and classification survey compliance. Edition Aug-2014.
Description
JRC JCY-1900 / JCY-1950 VDR Voyage Data Recorder Service Manual – PDF DOWNLOAD
Description
Overview
This Service Manual provides full technical servicing documentation for the JRC JCY-1900 and JCY-1950 Voyage Data Recorder systems used aboard SOLAS-compliant vessels. Intended for ship service engineers, bridge electronics technicians, shipyards, and classification inspectors.
It covers system operation, firmware maintenance, sensor integration, and capsule data retention compliance.
Extracted Table of Contents
| Section | Major Coverage |
|---|---|
| 1. Outline | System purpose, features, VDR/S-VDR configuration, system block/network diagrams. … |
| 2. Maintenance | Replacement schedules, battery / beacon expiry, fan kits, service intervals, spare parts tables. |
| 3. Hardware Operation Checks | Testing NDH-338 / NDH-339 capsules, NDV-1900/1950 RCU, microphones, DSC, DAU, FGU. |
| 4. Troubleshooting | System diagnostics, error isolation, alert behavior, power and network recovery flow. |
| 5. Remote Maintenance | Remote vessel connectivity and health monitoring procedures. |
| 6. Circuit Diagrams | Full wiring & PCB circuit diagrams for RCU, OPU, DSC, DAU, microphones & frame grabber. |
| 7. Specifications | Electrical, mechanical, environmental & compliance specs for all modules. |
| 8. Annual Inspection Procedures | SOLAS / classification-required inspection and checklist forms. |
Key Components Covered
Recording Control Unit (NDV-1900 / NDV-1950)
Operation Panel (NCG-1900 / NCG-1950)
Fixed Protective Capsule (NDH-338)
Float-Free Capsule (NDH-339)
(Includes EPIRB distress transmission safety & HRU replacement rules)Digital Signal Converter (NCT-82 / NCT-83)
Frame Grabber (NWP-69)
Data Acquisition Unit (NCT-84)
📄 File Details
| Field | Details |
|---|---|
| Manual Name | JCY-1900 / JCY-1950 VDR / S-VDR Service Manual |
| Manufacturer | Japan Radio Company (JRC) |
| System Type | Voyage Data Recorder (SOLAS compliant) |
| Edition | August 2014, Edition 1 |
| Format | Searchable PDF |
| Pages | ~100+ pages |
| Quality | OEM clean scan, diagrams readable |
| Audience | Marine service engineers, fleet technical managers |
