Belinea 19inch monitor

[UKForce]

Alright guys i am wondering if anyone could help me i have a computer monitor from belinea that is faulty, it basically comes on shows the picture fine but aftr about 2 seconds it goes black but the green light stays on. If i then press it off and back on the display comes back for 2 seconds and goes off the screen is a proview PV190WCLMCA4H and im told its a pretty common issue but does anyone know what i can do to fix it? Help is apreciated

[PlainBill]

Re: Belinea 19inch monitor

Alright guys i am wondering if anyone could help me i have a computer monitor from belinea that is faulty, it basically comes on shows the picture fine but aftr about 2 seconds it goes black but the green light stays on. If i then press it off and back on the display comes back for 2 seconds and goes off the screen is a proview PV190WCLMCA4H and im told its a pretty common issue but does anyone know what i can do to fix it? Help is apreciated

The problem is referred to as the 'Two Seconds to black problem'. It has been discussed repeatedly in a number of threads. There are a number of possible causes, but the first step is always the same - open the monitor up. If any caps are bulging, replace them all. If anything is in doubt, post pictures of the boards.

PlainBill

[UKForce]

Re: Belinea 19inch monitor

Cheers bill i have checked them before as it was suggested to me a few months ago and ive just had another look and they all look normal i cant see anything abnormal.

[PlainBill]

Re: Belinea 19inch monitor

Cheers bill i have checked them before as it was suggested to me a few months ago and ive just had another look and they all look normal i cant see anything abnormal.

OK, now I need good pictures of the top and bottom of th power supply / inverter board.

PlainBill

[UKForce]

Re: Belinea 19inch monitor

Ok my camera isnt very good but i took pics of both boards.

http://img62.*************/gal.php?g=picture0001mk.jpg

[PlainBill]

Re: Belinea 19inch monitor

Ok my camera isnt very good but i took pics of both boards.

http://img62.*************/gal.php?g=picture0001mk.jpg

This is the third rewrite of my response. The first two were too harsh.

Things don't look good for your monitor. Not only are the pictures useless (too low resolution and too dark), you apparently didn't read my request. I don't need a picture of the logic board; I need a picture of both the top and bottom sides of the power supply / inverter board.

Don't use photobucket. Attach them to your post. It doesn't have to be that hard. Do it this way.

PlainBill

[UKForce]

Re: Belinea 19inch monitor

I appreciate the replies but i dont know a lot about this there are two boards in the monitor and i took pictures of them both although as i said before my camera is rubbish. Seems like too much hassle for me to correct the issue being a novice so i think ill have to either throw it out or send it to a professional, again thanks for the replies and i can only apologise for wasting your time.

[Wrog]

Re: Belinea 19inch monitor

I appreciate the replies but i dont know a lot about this there are two boards in the monitor and i took pictures of them both although as i said before my camera is rubbish. Seems like too much hassle for me to correct the issue being a novice so i think ill have to either throw it out or send it to a professional, again thanks for the replies and i can only apologise for wasting your time.

It's not too much hassle, really! Find/borrow a better camera and post top/bottom sides of the power/inverter PCB (it's the one on the right, with the mains input plug on it). Attach them both here, as Bill said and you'll get the appropriate help. Make sure you have at least some test equipment (a DMM or VOM for starters) or you won't get very far.

There's only one way to advance past the novice stage, and you won't find a better teacher than PB. He doesn't charge much either, unless you want to send him and his wife back to Hawaii for a few weeks!

[ciocclaude]

Re: Belinea 19inch monitor

Maybe I can help. I have a Belinea 19'' monitor too (1905s). The problem was (is) monitor working but with a pinkish hue on the screen then black after 4-5 sec. I placed an order for new CCFLs (very expensive in this country) and I am still waiting for them to arrive from the US.
I am attaching some pictures of the power supply + inverter unit (component side) and the following link for its diagram http://www.4shared.com/file/10988829...ECTRONICS.html
(I found these pictures on the web because mine don't look too good)
I'll keep you posted on how it goes
Ciao

[UKForce]

Re: Belinea 19inch monitor

Cheers i will try and take some good quality pictures of it soon and ill post back but ill have to get hold of some testing equipment like wrog said, i was kinda hoping i could just buy a replacement part and be done with it. Technology eh

[PlainBill]

Re: Belinea 19inch monitor

Cheers i will try and take some good quality pictures of it soon and ill post back but ill have to get hold of some testing equipment like wrog said, i was kinda hoping i could just buy a replacement part and be done with it. Technology eh

There's an old story about an early repairman who was called in because a vital piece of equipment wasn't working properly. He observes the equipment, listening to the strange noises it was making, and obviously thinking deeply. After 10 minutes he opens hit toolbox, extracts a small hammer and carefully taps on the side of the equipment. At this point the strange noises stop, and the equipment begins working perfectly.

The management of the firm is overjoyed because it was fixed so easily. This attitude changed when he presented them with a bill for $10,000. They are outraged to be charged so much when all he did was hit it with a hammer. After the screaming dies down, the repairman prepares a new bill. $10.00 for hitting the equipment, $9,990.00 for knowing where and how hard to hit.

In this case, there are a number of possible causes for the problem. These include one or more bad CCFLs, bad wiring to the CCFLs, an inverter transformer with a shorted or open secondary, a bad solder joint in the inverter area, a bad component in the inverter monitoring circuitry, or a bad driver. It is possible to repair the problem by methodically replacing every possible component, but it is much easier to perform a few tests and identify if the problem lies in the inverter drive circuitry, in the CCFLS and their wiring, or in the monitoring circuitry.

PlainBill