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Why won’t my Apex Digital TV turn on consistently?

Author :

Submitted : 2018-06-15 16:28:39    Popularity:     

Tags: Digital  Apex  TV  consistently  turn  

Sometimes I press the power on button once, and it turns on immediately. Other times (most times) I have to repeatedly unplug and plug it in again for over 10 minutes just to finally turn it on. Once the TV is on, it works perfectly fine. How stubborn it

Answers:

Because it's an Apex.

had the apex when they came out with the govt rebate pgm.. you got ten bucks worth of use out of it,the thing delivered a super crisp pic w great sound for about a year,then,like yours,it needed to get clicked on several times before the green lit up,
at a year plus a couple months had to warm it with a space heater before it;d turn on,
lasted another month,went dead as an iron pot,,I put it out in the alley before which I hammered it a dozen times,
brand I have now is insignia,,paid 60 bucks plus tax,it scans 60 channels or so,using an rf converter,antenna amp & a rabbit ears which i set on the south facing window sill,
someone got rich by govt selecting them for the damn rebate program,crooks toss it it will conk out pretty soon get a decent one apex is a piece of crap

It could also be a micro crack in the circuitry board...These cracks are effected by temperature changes so as the unit heats the crack expands as the unit cools the crack contracts...It can change the resistance of the circuit involved and it can also have the effect of melting solder welds, due to excessive heat generated, also capacitors can also be adversely effected over time. Sometimes the problem will be temporally solved by the melting of the solder joint and in turn bridging the gap but over time the solder itself will develop a crack due to expansion and contraction of the micro crack. The problem will usually get worse as the crack expands in length and the effects become more damaging...There is really nothing you can do once a crack has formed other than to replace the circuit board. What usually causes these cracks to form in the first place are extreme temperature changes in a short period of time...Say if the TV is near an uninsulated window in winter or gets direct sun light for short periods of time...or if the TV is near a radiator or heater duct in winter that puts out intermittent heat...Or if you store the TV in an uninsulated shed or garage that heats and cools rapidly. Also droping the unit when moving can also cause a micro crack to form the age of the unit can also be a factor as circuit boards get more brittle with age.

maybe bad capacitor(s) on the power supply board ...
http://www.coppelltvrepair.com/p/656/tos...
use a hair dryer for ps board......mild temperature...... for a short time ...if it was turned on sooner ...there was a bad capacitor....

technical note ... the bad capacitor has higher esr and heat decreases it ...
figure 5
https://www.eetimes.com/document.asp?doc...

Loose connection and Apex brand



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