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LG LED 37LD650 NOT POWER ON

STBY RED LIGHT PLANKING DONT COME ON

Posted by Anonymous on

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3 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

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budmrtn
  • 11361 Answers

SOURCE: Hello\r\n My Sony BRAVIA KDL40U2000 presents the

The 5vdc Standby is used by the main board to run the processor, when the power on command from the power switch or from the remote IR board is received, it will send out the PS_ON signal (3.3v~5vdc) to the power supply to turn on the rest of the power supply.
Are you saying that it HAS 0VDC for the PS_ON signal?
Please read my guides:
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: http://interliquidparts.com/

Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
Please post back what you find.

Posted on Jul 07, 2011

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  • 127 Answers

SOURCE: I have lg 32pc51 model.in past month when i try to turn it on from stby mode(red led),the led switches to green or yellow and there is no picture.only if i take out the ac cable,wait for few secs and

The Ac power cord or the wall socket.

Posted on Nov 04, 2012

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1 Answer

TV cannot turn on


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Action-3: Replace the main board!!!

Mar 25, 2017 | Hitachi Televison & Video

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Onkyo AVR TX-SR444 not powering up LCD not lit.Stand by LED lit only,on stand by mode. Thanks, Sorin


if STBY red light blind after power button pressed, AMP blown. you have to find large shorted transistors

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MONITOR BLACK AND POWER LED PLANKING BLUE LG FLATIRON W1942ST


If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed LG and other monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

http://www.badcaps.net

Aug 14, 2010 | LG Flatron L1710S 17" LCD Monitor

1 Answer

SAMSUNG T.V MODEL; CS-29Z40HE This T.V buy on JULY 2007 PROBLEM; No power; total dead; no red led stby; have beep sound...tick...tick...like not enough power when power on (maybe sound come from relay)....


Check the PTC parts,the primary AC power supply board.Disconnect the power supply board,measurement the capacitors and power tranzistors,measurement the output voltage(155V),connect on the output on 60W electric bulb,if it light the power source is ok and the problem in the horizontal driver parts(trafo,power tranzistor...).

Sep 27, 2009 | Samsung Televison & Video

1 Answer

When I turn on the tv, green light blinks for a


Its your ballast. it has as short. i recommend changing the ballast. while you are inside the set, i would run a break point test on the power board to be safe but, im sure its the ballast.

Mar 09, 2009 | Televison & Video

2 Answers

42PF9630A 42


ssb:pnx2015 stby &control
b4e
7j00-5\pnx2015
STBY CPU
1LA0\16MB
X840GA

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