Question about Polaroid FLM-3734B 37 in. LCD HDTV

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Power light comes on but no sound or raster

Can unplug power cord and reconect then tv will work

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Soon you will not be able to turn on at all. heres the link that helped me fix the problem http://www.fixya.com/support/r741402-polaroid_flm_373b_lcd_tv_black_screen

Posted on Dec 27, 2008

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6ya6ya
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Posted on Jan 02, 2017

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Smart T.V Sumsung Got Stuck


It sounds that your TVs' timer function is set to 'ON' for 15 minutes time. Check it, and make it 'Off'. Refer its user manual for details.

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First, try a hard reset.
You must unplug the power cord (turning off the set or the strip will not do it) for a couple of hours, then try again.
This will sometimes correct the problem
When it blinks off: Does the raster go dark or just the picture and the raster remain?
If the raster goes dark when it blinks off it means there is a loss of high voltage to the picture tube. High voltage repair is expensive. It may be a failing flyback transformer that is functional inside the horizontal deflection circuits.
If the raster stays on and you just lose video (picture information) then it may be a simple intermittent IC chip in the video board area. It may require a technician to determine which IC and how to replace it or the parts associated with it, but probably not terribly expensive to repair.

Jan 12, 2008 | Televison & Video

1 Answer

When we push the power button on the remote or on the tv the green light comes on for one second and then shuts off ... tv won't turn on


you have a short circuit in the power supply.
1) test the power cord very well
2) test the main swithc for short or open
3)test the power supply, look for a short in transformer+coil+filter+diode+rectifier. and replace
4)test the HVRECT+fLYBACK+ horizontal output for +125Vdc +vertical output for +80Vdc ALL this go to the CRT
color +12vdc+other circuit +12vdc. The first thing do you will have is RASTER, see the block. d
God bless you
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Jul 31, 2012 | Mitsubishi WS-65819 TV

2 Answers

Model TC-32LX700 Power indicator light on from is


Problem is caused by voltage irregularity. Pulled plug for an hour and then plugged it back in. TV reset and it works fine. If this does not work it needs a TV technician.

Sep 14, 2009 | Panasonic TC-32LX700 Television

1 Answer

No sound no raster


Unplug your projctn. tv. Open the rear end and try to locate the power fuse near the power plug, it's made up of small cylindrical glass. Replace it with same rating as labeled on the fuse itself. ;-)

May 24, 2009 | Samsung Televison & Video

1 Answer

TV SHUT OFF WHILE WATCHING. UNPLUG AND THEN PLUGED BACK IN. RED LIGHT CAME ON IN FRONT FOR A SECOND AND WENT BACK OFF. TV WILL NOT COME ON.


power in the tv has nothing related with the DVD. The tv has to have raster (white screen) even without signal (cable, DVD, others) if the tv alone is just having the led flashing and neither sound nor video (black screen) The tv has a short circuit in some of the boards that are part of the tv system. the blinking is part of a protection when the tv was created in the factory. Refer to the technician to repair this problem.

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4 Answers

Tv tunrns on then goes to stand by flashes 4 times & repeats


turn tv on picture comes up 2to3 seconds later tv blacks out then stand by red light flashes 4 times in a row repeatedly..can not turn on or off when stand by light starts flashing but before tv blacks out you can turn tv on and off repeatedly and picture and sound work.You have to unplug power cord for 30 seconds after stand by light comes on to get tv to turn on.

Mar 13, 2009 | Sony BRAVIA KDL-32S2000 32 in. LCD HDTV

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:
http://servicemanuals.vstore.ca/

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



Jul 08, 2008 | Sony FD Trinitron WEGA KV-27FS120 27" TV

2 Answers

Tv turns off after 15 minutes of use


For bobby11 and luis, it is the power supply. Part Number EAY34797001 in the 42" and EAY34796801 in the 32". This is a known problem, and somebody should start a Class Action against LG over this one. Part is available online and easy to swap out for anyone with the most basic knowledge.

Jan 16, 2008 | LG 42LC7D-UB Television

1 Answer

NO PICTURE


do you see anything on screen.no picture doesnt mean no raster ,raster mean anything that comes out in display.no raster with sound only mean failure in either,connection in heater which means, loose connection or some new sets declare failure in vertical circuit.so be more specific ok?

May 08, 2007 | Sony FD Trinitron WEGA XBRKV-40XBR800 40"...

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