Question about RCA 36V430T 36" TV

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Power on and off repetitive

When pushing power the unit just tries to power up but shuts off and on with video sometimes,but can power off by hitting power button. Pls help with this problem. Thanks, Robert

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Re: power on and off repetitive

I had a RCA MM32110 which had the same problem, turned out to be a sticking fan causing overheating. I cleaned the fan and never had the problem again.

Posted on Feb 21, 2007

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Re: power on and off repetitive

Need more info but it sound to be a cold solder problem,look at the circuit board closely for cracked solder joints. Resoldering any bad joints might just solve your problems, but be carefull there are very dangerous site inside a tv, if you dont know about tvs look for profecional assistances..good luck

Posted on Aug 06, 2006

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have you tried to remove power from either or both units for a while?

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Push power button and tv clicks but no video or sound. tried resetting but didnt help. could it be a capacitor?

It can be a problem with a capacitor in the power supply, or some other component. These tv's have an auto shutoff circuit when any current overload is detected, so a shorted cap or any other device and trigger it.
The unit will have to be troubleshot. Sometimes you can get a mobile repair service to come do it at your place.
Good luck, and hope this helps.

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Why is it that when I hit the power button, it turns on but then right back off?

It seems that your unit has some sort of Video side, PSU fault, or a problem to the Video section that is sensing a bad fault & shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur.

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Power would not shut off for a couple of days. Then, hit reset and can't get it to turn on again. Tried unplugging, pushing the power up button and using the remote. How do I get this back on (I do not...

you have a problem with the dm module
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the tops will be puffed up

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1 Answer

TV auto shut off-power indicator light blinking-won't turn back on

You can also try a hard reset: Unplug TV from AC mains and remove all cables from TV. Wait about 30 minutes and replug to AC power and redo the cabling. Switch on the TV and see if it works..

If you are having some problems with your Sony Television, then this post is for you. Generally speaking, when there is trouble with your Sony Television set -- it indicates the issue in either the diagnostic mode, or even more commonly by flashing a series of LED blinks or flashes on the front of your television. Each set or frequency of the blinks indicates a very specific problem with the television itself. In some cases, you may be able to repair the television set yourself -- or in the worst case you may need to order parts, call a local repair shop to the have a repairman sent out, or even purchase a new television set.

First off, here are the list of codes and what they generally mean on my set (which applies to many recent model Sony Television sets. Sony has provided a "self-diagnosis function" with your TV, that in the case of abnormalities or problems the LED or red blinking light on the Timer/Standby indicator flashes a number of times to indicate the issue. Here are the values of the various blinks.

* 0 times, Diagnosis: Power does not turn on. Possible causes include: Power cord is not plugged in, Fuse is burned out (F6001) (G board). Symptoms of the problem: Power does not come on, No power is supplied to the unit, AC power supply is faulty.
* 2 times, Diagnosis: B overcurrent (OCP). Possible causes: H. OUT (Q8024) is shorted. (D board), +B PWM (Q8035, 8038) is shorted. (D board) Symptoms of the problem: Power does not come on, Load on power line is shorted.
* 3 times, Diagnosis: +B overvoltage (OVP). Possible causes: IC501 is faulty (G board), IC5002 is faulty (G board). Symptoms of the problem: TV has entered standby mode.
* 4 times, Diagnosis: Vertical deflection stopped. Possible causes: +- 15V is not supplied. (D board), IC8003 is faulty. (A board) Symptoms of the problem: TV has entered standby state after horizontal raster, Vertical deflection pulse is stopped, Power line is shorted or power supply is stopped.
* 5 times, Diagnosis: White balance failure (Not balanced) Possible causes: Video out (IC7101, 7201, 7301) is faulty (CR, CG, CB board), CRT drive (IC309) is faulty (A board), G2 is improperly adjusted. Symptoms of the problem: No raster is generated, CRT cathode current detection reference pulse output is small.
* 6 times, Diagnosis: LOW B OCP/OVP (Overcurrent/over voltage). Possible causes: +5 line is overloaded. (A, B boards), +5 line is shorted. (A, B boards). Symptoms of the problem: No picture.
* 7 times, Diagnosis: Horizontal deflection stopped. Possible cause: Q8035, 8038 is shorted. (D board)
* 8 times, Diagnosis: High voltage error. Possible cause: T8005 is faulty. (D board)
* 9 times, Diagnosis: Audio error. Possible causes: +- 19V line is shorted. (A, B boards), IC708 is faulty. (A board), PS701 or PS702 is opened. (A board). Symptoms of the problem: No sound

If you would like to attempt a DIY, you will need a service manual to guide you. You can find one here:

However, be aware that there are voltages inside your TV set that can kill, even if unplugged.

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1 Answer

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Most likely you can have 1 or 2 problems.
1! the light is busted and you will have to replace that. You might also need to check your cooler fan bearing as you indicate it makes noise.

Please open following link( you need acrobat reader)
this is the service manual for your TV


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4 Answers

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