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A90 Fuse Where can I obtain a replacement fuse? I am in Australia. Thanks Rick

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Re: A90 Fuse

Try JAYCAR take the fuse into the store. You should get something to do the job. Be aware that the fuse may have blown for a reason and may be an indication of something more serious.

Posted on Aug 30, 2009

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Computer screen is black

Two things come to mind...

If the monitor is fitted with moister sensors it will as a safety measure not turn on, this can be due to damp in the room etc.

Second and more probable is the fuse has blown on the circuit board to the monitor. you will unplug power lead open back up and look for a smaller than plug size fuse which is chrome ended and clear glassed. About 3/4 inch long and 1/8th dia.

Ensure these are replaced with a similar graded fuse. Maplins is a safe bet to obtain them. best to take old one in with you.


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Good day sir, if it just stop, chances are it could be a fuse blowned, you may need to open your samsung tv, back panel. locate the fuse, replace it with the correct ampere value. if the fuse is in order, close the back cover. you have no choice but to bring it to your dealer for advice on your TV status.

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The monitor turn on and inmediately turn off

This would be due to a bad power supply board inside, replacing this will put you back into biz again around $50 for the part @ samsung.


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No display

I have repaired 3 Viewsonic VP211b monitors.
The power light comes on but there is in picture. In all three cases it was the same problem. It was a blown fuse on the inverter board.
1. The monitor must be opened: The black plastic back is pried off carefully. It is easy to damage or crack. This will expose the electronics.
2. Remove the metal covers: The power main board has a metal cover that is secured with 4 screws. When that cover is removed, you can then remove the cover over the inverter.
3. Remove the inverter: The inverter is held with 1 screw. There are a total of 6 pairs of wires to the fluorescent lights (3 on each side) that must be disconnected from the inverter and a there is a power and control cable to the main board that must be disconnected. The inverter should now be free.
4. Test the fuses: On the inverter there are two tiny surfaced mounted fuses, labeled F1 and F2. They are on either side of the power cable CN1. Either one can be blown. Test them both with an Ohmmeter.
These fuses are 1.5 mm long, 1.0 mm wide and 0.5 mm high (Case Style 1206). They have the letters FN printed on them. The N is for 2 Amps and the F is for Very Fast Blow.
I replaced them with the same fuse, except Fast Blow rather than Very Fast Blow. The replacement fuse has just the letter N. The FN was not available at the time and I felt the N would be close enough. The fuses were made by LittleFuse. They were purchased from Newark Electronics. Part number 64R8010.
Prior to acquiring the surface mount caps, I tested the inverter board by soldering a regular fuse across the blown fuse and putting the inverter back into the monitor. The monitor came back to life. Normally when there is a fuse blows, it is because there is a short someplace down stream. How ever the new fuses have held. Therefor I am assuming it was just faulty fuses.
With the new surface mounted fuses, the repaired boards were placed into monitors and they all worked.9486ec61-dd3d-4a22-bbc3-82b55a458b09.jpg00ad0ac3-9cf1-4fff-83ed-90d93e6a0e0a.jpg40cff7a9-f7c7-4904-aac3-eb656a117911.jpg0ee0c7e1-1e8a-4b07-936c-83557d5ddd2b.jpg3ccdb800-f497-41ee-b268-cad6a2330191.jpg4d8ec0f3-f0e3-4e06-bc47-791b2996f04b.jpg

Jun 02, 2007 | ViewSonic VP211b 21.3" LCD Monitor

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Fuse blows.

OK it would appear that you have a failed "Chopper" transistor(s) in you SMPSU. I would try Googling for the "Service manual" you most probably can buy one online. Good Luck.

Aug 20, 2006 | ViewSonic A90

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