Question about SAMTRON 55V 15" CRT Monitor

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When i switched on monitor samsung 55v, the display comes ,with in a second display off,then power led not glowing

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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, sathyavijayasarathibabu@ymail.com) ----- 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...

Posted on Apr 24, 2011

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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 parthobijoy@yahoo.com


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, sathyavijayasarathibabu@ymail.com) ----- 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

Samsung samtron monitor does not work


Please check whether the power cable is properly inserted...

The power button of this model fails with time.You need 2 press it tightly and hold it till the LED is on....

try this...


Hope this helped...

Dec 21, 2009 | SAMTRON 55V 15" CRT Monitor

1 Answer

Samsung 56V, difficult to switch on the monitor


check the capacitors inside the monitor, as they may be broken, and they start screen up, just change em and it should kickstart fine

Sep 19, 2009 | SAMTRON 55V 15" CRT Monitor

1 Answer

I have a compaq 15" monitor which has no display.


1.poewr LED blinking or not.if in case LED blinks one time. problem in LOT .Cheak horzontal Transistor also.
1a) power out put voltages
2.drypoints in neck board.
3.cheak display cable.

Dec 19, 2008 | SAMTRON 55V 15" CRT Monitor

2 Answers

EHT PROBLAM


EHT Problemsymptems :1.If U find R457 - 33k,R452 -1k,R458 - 10k Resisters are Burnt In Zenith 14"and15" monitors To replaced all thease resisters and LOT FSN14B016S
2.HCL HCM 482M, 580M,582M, 780M models getting FAT - FAT sound coms from LOT when u switch on the monitor It's LOT Problem . replaced it
3.Samtron Samsung Models like 45Bn, 55V,56V when u switched on the monitor Power indicator (Led )glow one time First u can check Boosting FET IRF630 bitween (SMPS O/P to LOT supply) and also replace LOT.
4.some Old Gold star anlog and LG monitors If U found 12k Resister near by LOT and also bulched 1Mfd/63V capacitor
It's LOT Problem

Oct 04, 2008 | Computers & Internet

1 Answer

Samsung crt monitor


Check power section for proper power supply. check main capacitor or change it .if this problem not solve then check horizantan output transistor(this is placed near eht on hit sink big in size)

Jul 12, 2008 | SAMTRON 55V 15" CRT Monitor

1 Answer

My monitor is not working sometimes


i think that problem from eht [fbt] trasformer. i also.face that problem

Jan 29, 2008 | SAMTRON 55V 15" CRT Monitor

15 Answers

Samsung Monitor control lock problem


this problem is due to abad 7805 regulator ic ora memmory ic

Nov 22, 2007 | SAMTRON 55V 15" CRT Monitor

1 Answer

Dead


This is an idication that the Hi voltage didnt start up. My experience with these monitors tell me the flyback and horizontal output transistor is bad and probably not worth to repair unless your a tech and know your way around tv circuitry. Its not advisable to go into these sets as there are no user serviceable parts inside. good luck

Jun 10, 2006 | SAMTRON 55V 15" CRT Monitor

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