Question about SAMTRON 55V 15" CRT Monitor

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Samsung 45bn H output transistot over hating and burning out after a fewminits

Samsung 45bn H output transistot over hating and burning out after a few minits . Plz Help me for solve this problem

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THE MOST ECONOMICAL SURE FIRE FIX IS TO REPLACE YOUR MONITOR WITH A QUALITY LCD SCREEN IT UTLIZES 50% less electricty AND RUNs A LOT COOLER.

IF THE HORIZONTAL OUTPUT TRANSISTOR IS BAD MOST LIKEY THE POWER CONTROL BOARD IS GOING BAD you may also have a bad resistor or diode allowing to much current on power control board

Posted on Jan 16, 2008

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Posted on Jan 02, 2017

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Sony kv g21p2s tv h out burn after 1 minit or fly back burn y that


Check the frequency at the base of horizontal output transistor. If it is abnormal [High], this kind of fault can occur. If so, main jungle IC should be checked.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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The ouput drivers have failed and along with the heavy current drain the resistors burnt off . So before the resistors are changed the entire section of the predriver and output section must be checked before new outputs are installed.
test the amplifier with a series voltage regulator and is there is heavy load drain then shut down and recheck till the drain limit is maintained to confirm the correct working of the amplifier.

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LCD display may have moisture on tinoxide which can be burned off in low humidity room. LCD tft may be leaky, which can be burned in by standby for a few weeks. Video output semiconductor IC may be needed burn in for a week. Most of these problems are due to moisture in the air, and lack of use of the TV. Have power on 24/7 may solve the moisture problem.

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Check 5 v at 7805 output and change Memory IC (EEPROM).
Check SMPS o/p voltages

Sep 20, 2008 | SAMTRON 55V 15" CRT Monitor

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Problem with the samtron 45bn monitor


sounds like your video card went out simple check of this
if you have another computer that works hook it up to its computer if screen comes on it will be your video card in the comp now if the screen still doesnt work it will be the cable the pins in the end has some how bent or come loose this will require a service tech electrician to repair simple quick job

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hi... there's a resolution problm with samtron45Bn with win xp.

Pl.help to fix this pblm.

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