Garner Co Electronics Board-level repair
Marine · Raymarine

Raymarine electronics repair

Board-level repair for Raymarine marine electronics, covering chartplotters and MFDs, sonar, and radar components, diagnosing the section that actually failed rather than writing off the whole unit.

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Common faults we fix
  • won't power on
  • water or salt corrosion damage
  • blank or dim display
  • no sonar or depth return
  • GPS won't get a fix
Brands we repair
  • Raymarine

What fails in a Raymarine unit

Across Raymarine’s chartplotters and MFDs, sonar modules, and radar components, the failure points repeat: the power-supply section, the display and its backlight, the connectors and seals that are supposed to keep water out, and the sonar or GPS front end. A unit that won’t power on, shows a blank or dim screen, has lost its sonar return, or can’t get a GPS fix is usually one of those sections failing, and none of that is a reason to write the whole unit off before it’s actually been opened and diagnosed. Because a modern Raymarine MFD often runs sonar, radar, and navigation off the same board, a single hardware fault can knock out more than one function at once, which is exactly why we trace the fault to a specific section rather than assuming the worst about the whole unit.

Saltwater and sun, deck-mounted and exposed

Raymarine gear lives on deck, in direct sun and constant salt spray, cycling through heat and humidity every day it’s in service. Seals age faster in that environment than most owners expect: UV breaks down gaskets, thermal cycling works fasteners loose, and once a seal gives even slightly, water finds its way to the board. Corrosion follows, creeping across connector pins, header contacts, and traces, and it’s often well underway before a symptom shows up at the helm, which is how a unit that “just started” acting up turns out to have been corroding quietly for months.

Board-level repair versus replacing the unit

Most marine dealers and manufacturers have stepped back from real repair. Bring in a unit with a dead board and the answer is generally a replacement or an exchange rather than a diagnosis of what actually failed. That is the industry default now, and it is why board-level repair exists as an alternative: it targets the failed component rather than writing off a unit that may only need one section fixed. For an owner looking at the cost of a new unit, the question worth answering first is what’s actually wrong with the one they have, and that’s a question a real diagnosis settles rather than a guess.

Chartplotters, sonar, and radar

We work on Raymarine chartplotters and MFDs, sonar modules, and radar components, the range of Raymarine gear already covered under our marine electronics service. Not every Raymarine product falls inside that scope, and repairability is always case-by-case, depending on how far corrosion or other damage has progressed once the unit is actually opened. This is independent repair; we are not an authorized or affiliated service center for Raymarine.

Free diagnosis, local or mail-in

The diagnosis is free, the quote that follows is firm, and nothing happens until you approve the price. Drop off in Palm Bay or Melbourne, or mail it in from anywhere in the country; the process is the same either way.

How it works

Four steps. You approve before we start.

Drop off in Palm Bay or Melbourne, or mail it in from anywhere. Same process either way.

Diagnose

We open it up and find the real fault at the component level.

Free · no obligation

Firm quote

A fixed price and turnaround — no surprises, no diagnostic fee.

You approve

Nothing happens to your board until you say go.

Repair & return

Component-level repair, tested, and back to you.

Before / after
teardown photos pending
Illustrative — real teardown photography replaces this at build

Real before/after teardown photos are being added as repairs wrap up. Check back soon.

Send us the one nobody else wanted to open.

Palm Bay · Melbourne · Brevard County · the Space Coast · Treasure Coast — plus national mail-in
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