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My sony tv 2168MT NO LIGHT IN SCREEN BUT POWER SWITCH IS OK REMOTE CONTROL OK BUT NO LIGHT IN SCREEN

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  • Televison & ... Master
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Check and replace damaged component/s at its horizontal scan output section circuit. Check the LOT (Line Output Transformer) too for damage. Replace the horizontal scan output transistor. Check the input voltage to LOT. If the voltage is absent check the feeder resistor; if any. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Posted on Nov 17, 2014

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6ya6ya
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Posted on Jan 02, 2017

nfandres
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SOURCE: Sony Vega Digital TV model KD-28DX50 U

the symptom is usually caused by a breakdown in the power supply circuit. in most modern receivers (transistorized and/or ic), it may also be caused by a breakdown in the horizontal deflection circuits (hor. oscillator, pre-drive, or drive circuits). supply voltages for the tuner, vif,sif, and vertical output are usually supplied by the horizontal output circuit. but if you doesnt know anything about these stuffs, better bring it to a qualified service technician

Posted on Jan 16, 2007

  • 1779 Answers

SOURCE: TV Sony Trinitron won't switch on

There is a problem in the set, the blinking l.e.d is numbered by way of the number of blinks. It might be your IFT, better known as your high voltage transformer, those codes helps the tech isolate where the problem most likely is.

Posted on Mar 28, 2008

mediarich
  • 188 Answers

SOURCE: Sony Trinitron TV will not switch on

Please let us know what model Sony you have. You can try unplugging the TV and waiting at least 30 minutes. Plugging in the TV and using the power switch on the TV itself.

Posted on Oct 04, 2008

gopakumarg43
  • 73691 Answers

SOURCE: toshiba tv 20 yrs. old will not come on when remote control is pushed

It will be very difficult to get the spare parts to this TV as it is over 20 years of age. It will be best to buy a new one, and it will be a wise decision.

Posted on Nov 15, 2012

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Sony bravia screen just stays on black and wont go to picture.


It sounds like a main board failure but could be a power supply issue as well. The set will need to be diagnosed

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My sony bravia klv40ex600 won't turn on,the light indicator for power,volume and channel is on, the screen is still black


Hi, have you tried pressing the TV button that is under the On/Off button on top right hand side of remote control? Some times its possible to accidently press the DVD or VCR controls and this by-passes the TV as a remote?
Another cause can be a poor or low battery in the remote itself. If you have no luck let me know & we can try some more things, however, I have heard that The On/Off Switch on the TV can be a problem. Goodluck, Jon..

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I have a sony grand wega 65" and i am trying to figure what is wrong it has a light blue X in the middle of the screen and it does not come off


Hello
Your Sony tv is locked I thinks. Try to reset your TV by the flollowing method.

Unplug your TV from AC mains wall socket, and let it be in that state for about 10 minutes or so. Plug it again, and switch on the TV.
While holding down the "Reset"button on the remote control, press "Power" button on the TV. [The TV will turn itsef off, the back on again]. Release the reset button. [NB: You must hold down the Reset button on the remote control until the proess is over.]
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1 Answer

Standby/timer light flashing tv won't come on


Hello
Blinking of standby light on Sony TVs are fault indications. You just count the number of blinks and get that number to me. Just do it by switch ON/OFF your tv with its front panel power switch; not by the remote control handset. Do it for at least three times, and make confirm about the number of blinks. It will help me to reach the nearest fault point, sometimes to the exact one . OK.

Dec 26, 2010 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

My sony wega kv-32fq86b, some times it will switch on and stay on, other times it will switch to standby and keep tha standby light flashing.


Hello
Standby light blinking is a fault indication in Sony sets. You just count the exact number of blinks at one time, after switching on and off the set by its front panel power control switch, NOT BY THE REMOTE CONTROL HANSET. Just inform me the exact number of blinks occur there, after counting it at least four times. It will help me to reach the faulty stage, of sometimes to the exact fault location also. OK.

Dec 20, 2010 | Sony FD Trinitron WEGA KV-36HS510 36" TV

2 Answers

I have a sony Bravia KLV-S40A10E 4 years old.Remote controle device is no ore working. Batteries have been changed without solving the problem .. Other Remote device ( DVD-Sony ) is also not working...


Hello
You just check your remote control handset for its infrared emission. There is an infrared light emitting diode [LED], in front of your remote control handset from which infrared light rays are send to your TVs infrared sensor, fitted inside it, behind the infrared window on its front panel. Infrared rays are invisible to human eye. We can check if it is there by using a cellphone with camera option.
Put the cellphone in camera mode, and place your remote control's LED side towards its lens, for about a feet away or so, and when you push its each button, you can see an image in the phones' screen. If it is there, and still your TV don't work with remote control, TVs infrared sensor inside is faulty, and needs replacement.
If there is no infrared image from your remote control, you have to buy one new remote control. OK.

Dec 18, 2010 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Won't turn on. relay clicks & standby light blinks.


Hello
Blinking of standby light on Sony TVs are fault symptoms. You just count the number of blinks exactly and keely, for switiching the tv with its FRONT PANEL POWER ON-OFF SWITCH; and not by the remote control hanset. Do it for atleast three times, and confirm the number of blinks, and inform me through Fixya. OK.

Dec 01, 2010 | Sony FD Trinitron WEGA KV-32HS500 32" TV

1 Answer

My tv sony wega dont turn on an the standby light blinks 16 times model KV-32FV310


Hello
Standby light on Sony TVs blinks 16 times is abnormal I thiks. It may come up to 8 blinks or so. You jsut switch off the set by AC mains switch at the front panel, switch it again with it and count the exact numbers. Never switch it On_Off by remote hanset.
If it happens even after this process, you just do the following
Press the following button on your remote control as stated
"Display"_"Channel"_"5"_"Vol Minus" [not plus] then "Power".
You may get "OVP" "OCP" "V STOP" etc displayed on the screen.
Just report the result to me through Fixya. Ok.

Nov 04, 2010 | Sony FD Trinitron WEGA KV-32FS120 32" TV

1 Answer

Hallo. I have a Prosonic TV type LC-27M65 that will not switch on. The red control light for remote is on. The yellow light indicator for current is off. Although TV is connected to net for power, the...


It is possible that your TV has encountered a fault in the power section possible a short in the drive power section. hence on powering the power sully working OK is switching the secondary power to the main board but this short is taking in more current than specified. the feedback of this is read by the SM unit to shut off the power to protect the supply. Hence you will have to probe into the sections to find this short, perhaps a HT drive transistor or the HT transformer or capacitors. If will be easier to check the continuity with a meter. Please attemptt only if familiar otherwise take help. Disconnection of the shorting section will switch the power, replace teh component in question. Hope you try. Good day

Aug 16, 2010 | Prosonic Televison & Video

1 Answer

No picture


your sony ctv is in sleepmode. so kindly press sleep button at remote control .other wise you swith off tv ( that means remove the mains wire from pluck point) then after 5 minutes switch on it will OK.

Aug 02, 2010 | Sony FD Trinitron WEGA KV-32FS120 32" TV

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