Question about Televison & Video
I changed the HVT on my RCA 32 inch 32v434t and now at least it will power on......Now it stay's on for about 10 second's just as you said and it shut's off. Where do I find this Horz Output p# 274762 on the board? And also where do I find the G2 to set for 290v. Is this adjustment on the side of the HVT or somewhere else. Also where do I hook up my volt meter to make this adjustment?
My e-mail is : firstname.lastname@example.org if you can help me out here please...
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Posted on Jan 02, 2017
SOURCE: RCA 32v434t loss of power
yepp. throw it away and buy something better than RCA. these sets are the worst RCA ever made.they dont even supply parts during the warranty anymore........
Posted on Jan 11, 2008
The color problems are caused by cracked/broken solder joints on the circuit that controls the display.
Usually this is located at the back of the tube on a small circuit board. Your description suggests that only the blue signal circuit is intact. I suggest these joints be resoldered for more strength.
It's a possibility that another IC senses this problem (or another one) and then shuts down the system.
Resolder those joints and see what happens.
Posted on Jun 03, 2009
we would need more information:
has TV worked before
how many hours has TV been used
I have seen this 'ShutDown' on many failing monitors..
Typicaly the Power Supply circuit in your TV
have 'Over Current' detection\protection
and your 10 second is just about how long somthing is probly taking to either:
over current and shut down
or more specifically:
one or both things wrong with it:
bad electrolytic capacitors ( maybe )
but if it's a perfect picture for all 10 seconds then probobly some specific semiconductor or module is: 'Heating Up' then 'OverTemperature' and failing in a manner that causes an immediate overcurrent condition, shutting off the TV.
- give more information
- if capable of safely removing the back of the TV to allow for inspection...
WITHOUT GETTING ELECTROCUTED
by the high voltage that remains stored inside the tube, even after power has been removed !
then pop her open and have a look at
the PCB's ( circuit boards )
if somthing has been running hot and has led to this type of failure; then your circuit board will be discolored near the mounting of that device... You may even notice a burnt pcb smell at that area.
somtimes you can find these semiconductors or modules in catalogs or online ( OfCourse )
and yourself or sombody with sufficient knowledge of soldering and the
' Potentially Life Threatening Hazzardes '
that exist around CRT monitor repair....
... can go ahead ad replace the suspect part.
Posted on Jun 16, 2009
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still there is a drop in voltage then your fly back transformer faulty.
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