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I have a Samsung LN40A450C1D. We had lightning strike our phone line, travel through the u-verse box and blow all three hdmi ports. The rest of the set works like normal. We have no issue using A/V, component or pcmi. Is there any hope of using the hdmi ports again?

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  • Televison & ... Master
  • 16,210 Answers
  • John Erskine Dec 04, 2014

    Is it just remove the old one and plug in the new? Are there any videos of this being done?

  • Brad Brown Dec 05, 2014

    IF you order that part, you have to take the back off the television, remove the old board and install the new one. There are lots of screws and cables that have to be unplugged and then plugged back in. You can check youtube to see if anything is listed for videos

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I have a Samsung led 60 inch TV. We had a lightning strike very close to the house. I now show no sources to choose from. All HDMI ports not working. What card probably needs replacing please?


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.

Jun 03, 2017 | Samsung Televison & Video

1 Answer

When and How Should a Surge Protector Be Used on a Fixed Switch?


Common Causes of Lightning Strikes
  • Outdoor network cables or power cables are routed overhead.
  • A switch is deployed outdoors but is not properly grounded.

Damages of Lightning Strikes
  • If power cables of a switch are routed overhead in an outdoor environment, lightning strikes may burn the power supplies.
  • If network cables of a switch are routed overhead in an outdoor environment, lightning strikes may burn interfaces of the switch.
When a switch undergoes lightning strikes, overvoltage is induced by lightning on network cables and transmitted to interior of the chassis. The surge protection measures, such as lightning rod and chassis grounding cannot prevent the damage. Therefore, surge protectors or surge protection circuits are recommended.

Surge Protector Use Precautions Take the following precautions to protect a switch from lightning:
  • Ensure that the ground cable is connected to a ground bar or a ground point on the cabinet.
  • Avoid routing cables overhead in an outdoor environment. Bury cables underground or route them in steel tubes.
  • To protect network interfaces against lightning, use 8-line surge protectors (or Huawei certified 4-line surge protectors).
  • When installing a network interface surge protector, connect the IN end to terminals and the OUT end to network interfaces of the switch.
If a fixed switch is installed in a network box, follow these instructions:
  • Connect the ground cables of the switch and surge protectors to the ground bar in the network box.
  • The maximum length of a ground cable cannot exceed 40 cm, and a length of smaller than 15 cm is recommended.
  • If the network box is located outdoors and power cables are routed aerially over a long distance (more than 300 m) to the network box, it is recommended that you install a power supply surge protector in the network box. The decoupled power cable must be at least 3 m long
S2300 Switch Thunder link com

Dec 08, 2016 | Office Equipment & Supplies

2 Answers

Will a nearby lightning strike cause a power board failure?


It could happen yes it would depend where the strike entered the TV. Not all lighting strikes hit on the electrical lines, on a TV they can come through the cable, as well as a antenna if you have one hooked up.

May 10, 2014 | Samsung UN32EH4003F

1 Answer

Hdmi port lost after lightning strike how to replace


Something for the Mythbusters if ONLY the hdmi connection fried... Knock on wood if the projector still works at all. Changing fuse could help?

Aug 14, 2013 | Optoma HD20 DLP Projector

1 Answer

I need some help. I have a Bose V25 lifestyle system and I need to know how to run the cables from the Bose system to the AT&T U-Verse cable box. Thank you!


It looks like the easiest way to do this is to connect an HDMI cable from the U-Verse box to one of the three HDMI inputs on the V25.
Note: There is also an HDMI output on the V25. Don't use that one. (It's labeled "Output".)

Jul 24, 2013 | Audio Players & Recorders

2 Answers

Only one (out of four total) HDMI input is working on my set.


The HDMI switcher IC chips in TVs can be damaged but lighting hits near you house even if the power is protected with a surge protector. The damaging power comes in through the HDMI port and blows the chip out and it can affect just one port or multiple HDMI ports. Your best bet would be to just get a cheap HDMI switcher and use the one working port. The repair on the TV would require placing the control board and would run from $75-150 for parts plus the labor to install it.

Aug 16, 2012 | Televison & Video

1 Answer

Killed by lightning, have power, no picture...


The warranty does not cover lightning, check if your insurance covers it.
A lightning strike on such panel ( HDMI ) is very difficult to repair and if not impossible.The HDMI connector is hooked to the ground of the TV set so everything could be damaged.
My advice is not to repair.

Aug 10, 2009 | Panasonic Viera TH-50PZ80U Plasma TV

3 Answers

Lightning Strike?


Assuming this line is across the screen horizontally (side to side), this means the vertical deflection circuitry is dead. In late model sets, there is a Integrated circuit package which drives the vertical yoke coils. Possible defects: the I.C. itself, bad solder connections where it solders to the board, missing voltage source to this I.C. (often around +24 volts), or a bad electrolytic capacitor in the associated circuitry. This latter often results in a non-linear picture, or less than full deflection condition, rather than a thin line only. It is possible lightning caused this problem, (I've seen some rather illogical damage from lightning ) perhaps it produced enough of a surge to pop the I.C. or a fusible resistor in that voltage source noted above.

Jul 03, 2007 | GE 24GP653 24" TV

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