Question about Proscan PS36500 36" TV

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Power supply of tv

No power, but still i can control in remote the power switch, i heard the relay "click" but still i can't obtain the power. i measure the capacitor and it work normally, i try to measure the 120v going to mainboard but it suddenly decrease the voltage to zero.

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  • keii Nov 10, 2007

    I have no power, but when you push the power button you hear a click

  • Mike 2008 Feb 23, 2008

    same as above. can it be fixed?

  • pro450 Feb 24, 2008

    My Proscan TV lost power and I readed the response you posted. My question to you is it worth trying to repair? How much should I spend trying?

  • Anonymous Jun 21, 2008

    TV went out suddenly last night. When I push on and off on contol, I hear for consecutive "click-clicks" four times in a row. TV will not turn on.

    This TV is a proscan PS36125 36" screen.

  • Mike 2008 May 11, 2010

    can it be fixed.

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If voltage drops means there is a short circuit in your tv. 1 disconnecting 120v line if supply becomes ok then there is short ckt in horz.section &if it does not gives 120 volts then there is problem in power supply. please check as per instruction &let me know. good luck.

Posted on Sep 19, 2007

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1 Answer

Tv no turning on straight away


The clicking is the relay the set uses--likely bad filter caps in power supply and here is what to look for:


12_3_2012_10_15_06_pm.jpg12_3_2012_10_15_22_pm.jpg

Dec 03, 2012 | Televison & Video

1 Answer

Zenith a27b41w won't turn on. It just clicks whether using the remote or the button on the tv


Probably a power supply problem. The click could be a relay closing

Nov 04, 2012 | Televison & Video

1 Answer

MY RCA 27" WILL NOT TURN ON, HAVE POWER TO THE FUSE, THE FUSE IS GOOD ALSO BUT THE DEGAUSS RELAY DOES NOT CLICK AND NO OTHER CLICKS ARE HEARD EITHER, WHAT COULD BE WRONG?


you need to check the voltage output of your power supply section.This power supply supply is a switching type power supply.there is a chopper transformer in there.its supply is a dc voltage unlike any other transformer which is AC supplied on the primary..First step.
1.Using a multitester measure the primary supply it is a DC voltage around 220v - 110 VDC
2.Measure the secondary output.The out put is AC voltage the supply for the B+ going to plyback is 115vdc the second output is 12v run through a regulator and the regulator lower the voltage to 5vdc.this 5vdc supplies the system IC and the jungle IC.this ic process the switching of the plyback transformer and the plyback transformers output supplies the voltage of the whole system including your relay in the degaussing section....once the plyback is activated the tv will now turn on...

good luck!Hope i helped you..

please rate my help..god bless!

Jun 13, 2010 | RCA F27641BC 27" TV

1 Answer

Power supply


Not likely to have relay in these TV. Look at the power supply first; look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find

Dec 14, 2009 | Insignia I-LC26Q1 Television

1 Answer

Samsung tv model no LE40R74BDXIXEU TV IS USUALLY


First the main bd controls the "Turn on" sequences". When you press the Power on button the Main bd sends a "Turn on" signal to the Power supply. The clicking you hear is the Power on relay ativating. If the tv does not turn on and the relay keeps clicking then you might have a bad Main bd or there is s shorted board somewhere else in the set. The Power supply can also be bad. Have a trained Samsung tech troubleshoot the set.

Jul 12, 2009 | Samsung Televison & Video

1 Answer

Hitachi HD TV Power Switch Failure


The black box is susposed to click once when power is supplies and then once when power is shut off. If its a repeted clicking it needs replacement. Its called a relay. Whats the model number of your set/ I will be able to help you if you post thye model number for me.

Jun 15, 2008 | Televison & Video

1 Answer

WILL NOT POWER ON


isolate power from hor.output section. if voltage becomes normal 130v &it does not drop then power supply is ok. now check hor output for leaky compnents near eht specially capacitor & diode. check hor output tr. at last eht. you can clean print near eht.

Sep 10, 2007 | Sanyo DS24424 24" TV

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