Question about Samsung 793DF 17" CRT Monitor

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I have samsun syncmaster 519s 15'' crt monitor, its not properly showing colour, its showing green vertically and horz... and other problem is every 2 or 3 minute after showing black screen if I touch body forcely than show proper light for 2 or 3 minutes so please give solution.

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Most likely one of the color guns has burned out. this monitor and in fact all CRT monitors are obsolete and only worth 5 to 10 dollars in good condition, Its time to break down and buy a new monitor as it is not worth fixing. sorry to say, but true

Posted on Mar 16, 2011

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Posted on Jan 02, 2017

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1 Answer

My smasung monitor sync master 753 vga connector broken, what is color scheme for new connector


Hi,

Colour scheme to re wire is as follows...

db15-vga-connector-schematic-thumb.png
Pin Name Function 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RED
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Hope this helps!!

Jul 19, 2011 | Samsung SyncMaster 753S 17" CRT Monitor

1 Answer

My syncmaster 591s monitor is showing only green colour


Your picture tube has a problem already, when it goes green. Maybe you can try resetting all the settings to default, when you do so and it doesn't get better then its time to change it.

Mar 14, 2011 | Samsung 793DF 17" CRT Monitor

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Samsung 15 inch CRT color monitor it display everything in too green color while On...


Could be a pin is damaged in the 15 pin connector or the cable is damaged. Have you tried adjusting the colour controls?

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VGA connector wiring detail


Pink - red input - pin 1 green - green input - pin 2 blue - blue input - pin 3 ground shield wire - pin 6,7,8 and 10 black - ddc 5v - pin 9 violet - screen raster - pin 11 white - data or sda - pin 12 orange - clock or scl - pin 15 yellow - vertical signal - pin 14 clear - horizontal signal - pin 13

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there is dry on video card attach with crt neck resolder it it will ok

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Hi there ,
It seems that you have a vertical section problem ,It might be possible some capacitor might have gone wrong

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LG 17'' LCD Monitor VGA 15 pin connector pin diagram


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pin no 2 - Green colour signal (Green colour wire)
pin no 3 - Blue colour signal (Blue colour wire)
4&5 Not connected
pin no 6&7&8 are (Grounds)RGB Returns
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you try to re solder the vertical section and the color section.

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Color Problem:


in Monitor CRT Red-Blue-green cathode guns are there.. Mixing of these colour we can get the original colour chrominace technique. if any of the colour gun is faulty we would get more REad or blue or green picture. Measure RGB voltages. you can verfify which gun is faulty. if then check RGB processing circuits. Else there might be problem Chrominance colour decoder system. Contact service centre

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