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The Furuno 03P9348 is a printed circuit board (PCB) used as a power/radio frequency board in marine radar systems — specifically within the Furuno FAR‑28 Series (e.g., FAR‑2837/SW) transceiver/scan units. It’s typically referred to as a power (PWR/RF) board in the internal radar assembly.
Function: This PCB handles power distribution and RF functions for the radar’s transmitter section. It connects with other internal modules (e.g., RFC board 03P9346, IF AMP board 03P9335) inside the radar scanner/transceiver unit.
Application: It’s a spare/replacement part used in Furuno marine radar scanner units, especially older FAR‑28xx generation models (like FAR‑2807, FAR‑2817, FAR‑2837 series).
Origin: These boards are made in Japan and are genuine OEM components.
| Specification Category | Detail |
|---|---|
| Board Model | 03P9348 |
| Type | Power/Regulator & RF support PCB |
| System | Furuno marine radar (e.g., FAR‑28 Series) |
| Voltage Outputs | +5 V, +12 V, –12 V, +32 V regulated |
| Functions | Power regulation, voltage protection, heater control, RF power distribution |
| Compatibility | X‑band and S‑band variants available (model‑dependent) |
| Installation | Internal to radar antenna/transceiver unit |
| Protection Features | Reverse polarity, over‑current detection |
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