Question about LG Televison & Video

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My LG TV gets stuck in black screen and has no sound. Although the red light works and blinks when it turned on.

LG model: 47LW5700-TA PSU: EAX628654 MB: EAX636863033 T-CON BOARD:

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  • delowex
    delowex Sep 21, 2019

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  • LG Master
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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.
Counting of number of blinks to Philips TVs is entirely different to that of other brand TVs. It is not a direct count procedure. The site have details about how to count the number of LED blinks [Fault Codes] to Philips brand TVs are given; along with details of the faulty circuit location.

Posted on Sep 06, 2019

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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Anonymous

  • 240 Answers

SOURCE: TV does not turn on, blinking red LED

Problem is a bad audio IC esp if your are reciving 11 blink code
if it is a 5 blink code replace Crystal 1h00 On Ssb new part number is 24225430 1397

Posted on Jan 12, 2009

SOURCE: Black screen and no sound on TV

what is the brand, model? try to be specific if you want be helped!!!

Posted on Sep 11, 2009

Chi Chu

  • 8457 Answers

SOURCE: Tv turns on green light blinks three times then TV turns off

Ur power supply board is dead.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Apr 07, 2010

GySgt2u

  • 63 Answers

SOURCE: 50 " Phillips Plasma tv. Screen is black, blinking red light.

Sounds more like blown/exploding capacitors on the PSB-Power Supply board. No OSD-on screen display a blinking led or chatter/relay clikcing at startup is the tv going into fault protection and bypassing the startup pins. The YSUS-Main controls the pic which is attached to 2 buffer boards the YBU-upper YBL-Lower. They control the upper and lower portion of the OSD and the YSUS controls both of them. Since you're getting No OSD you need to check for blown caps on the PSB first. Unplugging the set resets the error again. So you start all over again.

Best Rgards and Semper Fi

Posted on Aug 03, 2010

SD Tech

SD Tech

  • 14553 Answers

SOURCE: does it need the T con Board replaced or the inverter board?

the only way to know is guess and install a replacement board or boards if you can even find them--this is the nature of these types of sets and oh Yes, it does not have to be a board as a display panel is not impossible.

Posted on Aug 29, 2012

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