Question about Samsung SMC-150F 15 in.CRT Conventional Monitor

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Color adjustment of CRT Monitor

I have 3nos. of Samsung 15" color Monitor based on DP14L15L whose EHTs were burned out.I have replaced all the EHT and all three started working but with a color problem in all three of them. In one of them blue color is a bit too much, in one of them the red color is a bit too much and the other one is having excess of green color. There is no preset to adjust the color. I've tried to interchange the base boards, but the problems remain all the same. Some one told me to go to the "Service Mode" and adjust. How can I do this? Please help me!!!

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6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

SOURCE: Monitor color dominated by blue; Green and red colors fade away as yellow and black

probly just the chord connectin from your pc to the screen. just buy a new chord.

Posted on Jul 29, 2007

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Anonymous

  • 108 Answers

SOURCE: 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

Posted on Dec 22, 2007

Anonymous

  • 55 Answers

SOURCE: hai i have a problem in my 17inch samsung CRT monitor

hello ramesh here.
i hope you should try in lajpat rai market in new delhi. and it would be approx 800- 1000.
you did not maintain that where you live.
thanks
bye

Posted on Nov 13, 2008

Glyn

  • 123 Answers

SOURCE: samsung 15 inch CRT color monitor it display

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

Posted on Oct 17, 2009

Eddie Chen

  • 661 Answers

SOURCE: hcl crt color 15" digital monitor.red color is

Unfortunately, this is not a fixable problem. Samsung CRT monitors are well known for losing color; they have defective cathode ray tubes. I recommend that you buy an lcd screen. sorry if that wasn't what you wanted to hear! don't forget to rate

Posted on Jan 13, 2011

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1 Answer

Hi I have a Samsung 56V monitor . The letters have been appearing blurred for quite some time .
after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - MONITOR TUBE ) becomes weak - then 1 of the indication is ....picture becomes dull...blurr... (less brightness & less contrast , no clarity ) ........so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching monitor --- this adjustment is very important ) ----------iam from bangalore (09986222774, [email protected]) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as sevice charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact monitor service engineer ------- because they are highly experienced & can fix this component very easily..

May 14, 2011 | SAMTRON 55V 15" CRT Monitor

1 Answer

The monitor jest blinkking... and switch off.
after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - MONITOR TUBE ) becomes weak - then 1 of the indication is ....monitor just blinks & switch offs .......so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( very much compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching monitor --- this adjustment is very important ) ----------iam from bangalore (09986222774, [email protected]) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as service charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact monitor service engineer ------- because they are highly experienced & can fix this component very easily....

Apr 18, 2011 | SAMTRON 55V 15" CRT Monitor

1 Answer

Hello I have monitor samsung Smatron 7Ei the fault is that the picture is very dull with less contrast and bright. CRT heater volgate is ok. Secondly there is a heavy noice when i start it by power...
after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - TV TUBE ) becomes weak - then 1 of the indication is ....picture becomes dull (less brightness & less contrast --- that noise is from EHT )........so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching monitor --- this adjustment is very important ) ----------iam from bangalore (09986222774, [email protected]) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as sevice charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact monitor service engineer ------- because they are highly experienced & can fix this component very easily.....

Apr 18, 2011 | SAMTRON 55V 15" CRT Monitor

1 Answer

MY SAMSUNG CRT MONITOR 56V DISPLAY IS NOT COMING,THOUGH POWER ON INDICATOR IS GLOWING WITH GREEN LIGHT. PLS HELP ME . THANK YOU. MY E-MAIL ID IS [email protected]
after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - MONITOR TUBE ) becomes weak - then 1 of the indication is ....DISPLAY WON'T COME BUT LED BLINKS........so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( very much compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching monitor --- this adjustment is very important ) ----------iam from bangalore (09986222774, sathyavij[email protected]) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as service charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact monitor service engineer ------- because they are highly experienced & can fix this component very easily....

Apr 06, 2011 | SAMTRON 55V 15" CRT Monitor

1 Answer

When i switched on monitor samsung 55v, the display comes ,with in a second display off,then power led not glowing
after 4 or 5 yrs EHT ( transformer that supplies voltage to CRT TUBE - MONITOR TUBE ) becomes weak - then 1 of the indication is ....monitor just blinks & switch offs .......so solution is EHT ( also called as flyback transformer ) should be replaced....... {{ few details about EHT---- its size will be around 3inch X 2inch X 2inch ---it will have 2 or 3 knobs to adjust focus , brightness ------ at bottom around 10 pins will be there ------- from EHT 1 thick red colour cable goes to CRT TUBE --------- on EHT its part number will be there }} -------- so if user is a technical person having idea about components ( resistors, transistors, diodes, etc ) , having tools like multimeter ( to check components) , soldering iron, soldering lead, flux, desoldering wig ( for removing components), etc also little experience in servicing field( very much compulsory) ----------------- then user can remove EHT from main board ---- take to electronic shop ----- buy same type EHT --------- fix to mainboard ( knobs on EHT should be adjusted according to picture --- after switching monitor --- this adjustment is very important ) ----------iam from bangalore (09986222774, [email protected]) ----- here EHT's price will be around Rs 250 ( US $ 6 ) & for my customers (in bangalore) i will take another Rs 500 (US $ 11) as service charge......i don't have any idea about EHT ' s price & service charge in your place.........since it is very risky job i suggest to contact monitor service engineer ------- because they are highly experienced & can fix this component very easily.... SOME TIMES ALONG WITH EHT....A TRANSISTOR ( BIG IN SIZE & FIXED NEAR EHT) ALSO GETS DEFFECTIVE...........SO IT SHOULD BE COMPULSORYLY CHECKED BEFORE REPLACING EHT...

Mar 14, 2011 | SAMTRON 55V 15" CRT Monitor

2 Answers

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?

Oct 17, 2009 | Samsung SyncMaster 551 15" CRT Monitor

1 Answer

Monitor problem
pls ask your technician to check EHT of monitor.EHT change may be resolve your problem .

May 29, 2009 | Computers & Internet

1 Answer

Hai i have a problem in my 17inch samsung CRT monitor
hello ramesh here.
i hope you should try in lajpat rai market in new delhi. and it would be approx 800- 1000.
you did not maintain that where you live.
thanks
bye

Nov 13, 2008 | Samsung 21" FLAT CRT COLOR MONITOR

1 Answer

Brightness Problem
Hi,

Since focus adjustment using the flyback rear controls (EHT) has no effect, then it could possible mean two things:
  • the EHT is defective (most likely) at least the controls; or
  • the picture tube is already weak.
A workaround is to replace the filter capacitor of the ~70V leading to the collector voltage of the 3 color drive transistor. Normally used to replace with is 100uF/160V.

Of course best would be to have the EHT checked/replaced.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Aug 13, 2008 | Samsung SyncMaster 753S 17" CRT Monitor

2 Answers

Color Problem
buy a new one! IT WILL EXPLODE

Apr 28, 2007 | Compaq MV 540 15" CRT Monitor

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