HELLO,I BEEN HAVIN PROBLEMS WITH MY RCA F35731MB T.V.
Problems like if I turn my t.v. off,the t.v. will not turn back on for about a week and I been going threw this for about six month.Now the T.V. will not come on at all and its been like that for a month.When I try to turn it on,THE T.V. jus make a clicking sound every time I hit the power button, no picture, So what I did was had my T.V. power cord checked and that was okay.So If the T.V. power cord is not providing enough power to turn the T.V.ON, WHAT CAN IT BE "PLEASE HELP"
TV lost color and went B/W for several hours. I turned the unit off and unplugged it to see if it would reset. No Go. The unit started powering off by itself more frequently as the day went on. Each time it powered off, it would make a popping sound. Now, it will not power on at all. It just clicks on and off very quickly. If I had a boat, It would make a great anchor. Can you help?TV lost color and went B/W for several hours. I turned the unit off and unplugged it to see if it would reset. No Go. The unit started powering off by itself more frequently as the day went on. Each time it powered off, it would make a popping sound. Now, it will not power on at all. It just clicks on and off very quickly. If I had a boat, It would make a great anchor. Can you help?
the power button has to be pushed several times for the t.v to come on....every time the t.v. is turned off ..i have to go through the same thing for the power to come on..i tried to use a remote..it will turn off..but will not turn on with the remote...when you push the power button..it makes a clicking sound..you have to push .push push the power button until it comes on..what can be causing this...i have no other problems with this t.v...it has a beautiful color all other buttons work perfectly...its a rca also but a 19' inch floor type..can you help?the power button has to be pushed several times for the t.v to come on....every time the t.v. is turned off ..i have to go through the same thing for the power to come on..i tried to use a remote..it will turn off..but will not turn on with the remote...when you push the power button..it makes a clicking sound..you have to push .push push the power button until it comes on..what can be causing this...i have no other problems with this t.v...it has a beautiful color all other buttons work perfectly...its a rca also but a 19' inch floor type..can you help?
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3,130 Answers
Re: T.V. DO NOT TURN
There could be a problem in the main power supply or perhaps the standby power supply. To me at a guess i would say there is most likely a bad capacitor in the standby power supply or there is a problem in the switch mode power supply. if you have no electronic troubleshooting skills, play it safe and take the set into a repair shop or replace it. Now a days, a 32" TV set can be had for under 200bucks. Good Luck
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You need to check the output voltages of the power supply to see which one goes off. It may be due to short circuits some where.If otherwise, Power supply board have problems,just not dead yet.Replaced the power supply board,will solved this problems.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
Hello
It is very give you advice as you are aware of it. So do one thing. As far as the device is not turns on its power, the fault should be somewhere around the power supply system. Begin from AC mains chord itself. Check it for any break. If it is Ok, check whether supply is comming inside to your TV. Normally TVs have DPST type [Double Pole Single Throw] switches used for power switching. If any one of its poles not get correct contact inside, either phase or neutral will be cut. The click sound is not considered for its correct function. Check it also. It can be ckecked by measuring the voltage comes at rectifier points of your TVs power supply regulator section. If there is voltage, check the DC voltage across main filter capacitor. It must be some more than of your supply votage. I don't know the exact voltage you have as mains supply. Here in Idia, we have 220VAC 50Hz. At this supply voltage, DC voltage said above will measure more than 340VDC. Get a comparison with this when you check the voltage at the point mentioned above.
If it is also ok, there may be some fault in the oscillator section of the SMPS [Switched Mode Power Supply] section. There may be transistors or an Ic may be used to make oscillation to drive the switching transistor, which in turn drives the swiching transformer to get proper secondary low DC voltages needed to the circuit board. Check all the transitors. Of optocoupler is used check it also. Check its DC side control drive transistors.
Check all the zener diodes "off circut". ie take it out desoderd and check it with multimeter [preferably analogue type], set to 100K range. There should not be any leak at all. It is best to replace them.
Check all the resistors for its value marked, and all the transistors either for short or open.
Ok.
TV lost color and went B/W for several hours. I turned the unit off and unplugged it to see if it would reset. No Go. The unit started powering off by itself more frequently as the day went on. Each time it powered off, it would make a popping sound. Now, it will not power on at all. It just clicks on and off very quickly. If I had a boat, It would make a great anchor. Can you help?
the power button has to be pushed several times for the t.v to come on....every time the t.v. is turned off ..i have to go through the same thing for the power to come on..i tried to use a remote..it will turn off..but will not turn on with the remote...when you push the power button..it makes a clicking sound..you have to push .push push the power button until it comes on..what can be causing this...i have no other problems with this t.v...it has a beautiful color all other buttons work perfectly...its a rca also but a 19' inch floor type..can you help?
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