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The CSC-656 Relay Filter Board acts as a protective and routing interface between the ship’s main power supply and the scanner’s internal motors and electronics.
Primary Function: It filters incoming electrical noise to prevent interference with radar signal processing. It also utilizes relays to control the high-current distribution required for the Scanner Motor (rotation) and the Heater circuits.
System Integration: It is typically located in the Scanner Unit (e.g., NKE-1125 or NKE-1130). It works in tandem with the CBD-1682A power board you previously inquired about.
Durability: As an “Up-mast” component, it is designed with heavy-duty relays to withstand the vibration and temperature fluctuations of the mast environment.
| Feature | Specification |
| Model Number | CSC-656 |
| PCB Label | PC1201 |
| Part Number | 7PCRD1878 |
| Relay Capacity | Switches high-load AC/DC for the Scanner Motor and Magnetron heater |
| Filter Type | Passive LC Noise Filtering (Low-pass) |
| Compatibility | JRC JMA-9100 series (9110, 9122, 9132) and JMR-7200/9200 series |
| Connector Type | Multi-pin terminal blocks for scanner cable interface |
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