Question about Proview SA 560 (White) 15 in.CRT Conventional Monitor

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I hav proview 15

I my name is Ramesh iam basiaclly hardware engineer iam card lavel i hav lot of intrest in chiplevel i hav proview 15" crt monitar black colour in that 4 pin relay is there MAKE OF GOODSKY that wast complete burnt on that value r not clear any one solve the problem by sending the solutions

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Posted on Feb 21, 2009

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How to solve acer ac 512 monitar haricantal problem


Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Aug 09, 2014 | Acer AC 501 15" CRT Monitor

1 Answer

Shows different color complete blue or red scrren at connection


shake vga cable at different places & observe.........if colours becomes normal or it comes & again it goes...then vga cable is deffective.......either you have to change full vga cable or you have to repair that cable itself................after shaking cable also if no improvement then......hit your monitor lightly on left side or righr side or on top & observe ...........if colours becomes normal or it comes & again it goes...then following is the situation...............after 4 or 5 yrs in some monitors on main board at some soldering joints crack develops....then due to loose contact colour problem comes (1 of the sympton) ...........when we hit that lightly then those loose contacts joins temporarly & again colour comes nomally for some time............so solution is ......monitor main board & crt circuit board should be observed carefully & most of the joints should be re-soldered.......only a good service engineer can do that........even after hitting monitor lightly if there is no improvement then..following is the situation.....................on CRT circuit board ( circuit board that is fixed to tube) ''red green blue'' - video output IC ( some thing like LM2469TA ) will be there - it should be replaced - usually it will be fixed to heat sink ------- before changing IC all the components on CRT circuit board should be checked ( after switching off monitor ).........this problem cannot be solved by user unless user has idea about components( resisitors, transisitors, diodes,...etc) , have soldering iron , multimeter & other tools....................so contact good monitor service engineer .............iam from bangalore - 09986222774 - sathyavijayasarathibabu@ymail.com ( computers, laptop, printers, etc )

Apr 11, 2011 | SAMTRON 55V 15" CRT Monitor

1 Answer

My philips 104E 15" monitor is not displaying red colour at all.other two colours are perfectly OK.What could be the cause? is the red gun gone?


Yes, or the RED driver circuits is bad, check soldering joints on the CRT PCB. Simple thing to do is to check the VGA cable connection first, check the video card (reseating the card).

Apr 21, 2010 | Philips 107E61 17" CRT Monitor

1 Answer

CRT monitor's background colour is changed to dull yellow colour


hello,
i think this problem accure due to chage of CRT CATHODE. if you are not a hardware engineer then check it from hardware engineer. any crt monotor have 3 RGB Cathode to release electron on screen. the electron comes shodow mask and create a pixel on the screen the pixel make a picture. The RGB color make the perfect picture. if your picture is dull then i think that happen due to less negative chage of Cathode or any Crt base Bios ic is failior. so you have to checked it from hardware engineer.
ok
bye

Oct 22, 2008 | Samsung 21" FLAT CRT COLOR MONITOR

1 Answer

Brightness control+blurrness of images+


no can do. you monitor is dead in the water.
lost of focus, and intensty. all point to one thing.
by the way, do you have the correct video driver installed???

Jul 01, 2008 | Compaq MV 540 15" CRT Monitor

1 Answer

Samsung monitor colour complaints.


all you need to do is download ddc manager bye using ddc controller you can reprogramme micom...

Apr 14, 2008 | SAMTRON 55V 15" CRT Monitor

1 Answer

Over rang


on crt monitor adjust screen referesh mde to 75Hz

or go to windows safe mod e

You can see your monitor ranges ;
right click desktop -> properties -> settings -> monitor
You'll see Screen refresh rate here
under the that there is a box "Hide modes that this monitor cannot display" click that.
Now computer shows your monitor range in list. When you select bigger value different than list , gives error " OUT OF RANGE "

Dec 03, 2007 | Proview PT 15.1" LCD Monitor

1 Answer

Control Lock.


If it is samsung TFT monitor problem solution is to press and hold menu buton for more than 10sec.
Good luck.

Nov 18, 2006 | Samsung SyncMaster 15 GLe (White) 15...

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