Question about Samsung TXN2771HF 27" TV
I turned the tv on and it made a hissing sound. There was an acidic burning smell with no picture and the unit will not come on at all at this time. The tv is only 3 yrs. old, has not been moved and is in dry area. Any ideas?
Depends if you know about electronics and have SOME knowledge on how to fix them the user may well be able to source parts to fix them. Read WARNING below..
As suggested the fault could be FBT "Horizontal Output Transistor" (Check to see if shorted.) burnt out resistor or electolytic capacitor.
IF the FBT (Flyback transformer.) needs to be replaced you will want to know how to SAFELY discharge CRT HIGH VOLTAGE (WARNING CRT acts like a huge capacitor and may store around 25000Volts AND CAN KILL a person .) if unsure get qualified person to do repair.
By the way the term "No user servicable parts inside." is to keep
most people safe from high voltages etc inside.
If you know where to go you can get all (Well mostly all) the parts you require.
Things to assist people to help:
Does your TV have self diagnostics?
Ie. does standby led flash in a particular sequence.
This will give a tech a 98% of correctly advising your fault.
If you open the case (Have good lighting.) you should be able to see a burnt out resistor with no problem as it will most likely be brown to black with unreadable color codes or value on it.
Write down the resistor PCB id eg R615 etc. (Same applies to Horizontal Output Transistor etc.)
This will also assist a tech to provide correct information, and reduce the possible causes of fault..
ALWAYS remember if in doubt get a qualified person to do job.
Posted on Jun 14, 2008
Last time i posted the problem of my konka tv.i red somebody's sugession for solution for the problem,and i tried the tech,i found where the problem on the tv's ckt board one of the ckt part which regulates the temp. is loosen when i touched it with my screw driver while turning the tv on, the tv starts to display.
check the whole circuit,u will find some problem,
Posted on Dec 21, 2007
Really cannot help you. Could be many things. Power Regulator short Circuit, Horizontal Output Transistor and FBT ... Best get a professional to take a look. These sets are all solid state, and there are no user servicable parts inside.
Posted on Aug 25, 2006
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Posted on Jan 02, 2017
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