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post #1 of Old 11-17-2009 Thread Starter
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Raymarine E120 backlight lost totally, anyone similar problem?

Text edited in red, new findings
Raymarine E120, new install, standalone, no radar yet, after 4h on, display went dark in daylight position, all information is here, but to dark to do any work. Changing to night position looks dark violet first, with flashlight it can be seen the PC is working normally. Software update to 5.22 no change.
Examining closely, the E120 is an embedded linux PC.

Changing the brightness has mostly no effect, but after trying in total darkness I oserved, there is faint backlight and when turning the knob (or pressing the joystickkeys), when the indicator bar reaches ~3/4" (18mm) to the right, the backlight of the keyboard goes dimm again to be off in the full right position. Ocassionally, when turnng the knob very fast left/right, the backlight of the disply comes back for a second, but only partial as there would be a flashlight on the right side below the monitor.

Boat is new, not in water yet, 13.4V as permanently the battery charger is on (designed for that) to float our 400Ah Gel-bank, 28C all time, back of E120 is free to air in aircond room, can not overheat.

Someone had similar problems and any idea for a "field repair"? Any idea would be highly appreciated as I am in the Philippines and Raymarine service is far far away and not cheap anyway. Note, this is steady, not similar to the backlight on/off at night.

Asked Raymarine, but no reply yet.

Last edited by blubaju; 11-18-2009 at 06:20 PM. Reason: new findings
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