Question about LG LHB335 1100W Network Bray Disc Home Theater System

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Lg lhb335 power light blinks but wont turn on

Receiver stopped working along with a lot of other equipment afterpower surge from a thunderstorm

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  • Tanis Hackmeyer
    Tanis Hackmeyer Apr 14, 2014

    Follow up post: the power light does not blink; it remains lit (solid red light) but nothing happens at all with the system - it doesn't turn on or make any sound as if it is trying to turn on. Could it be a fuse, capacitor or power cord issue since it happened after storm? LG offered no solution and I cannot find any new replacements of this product.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 267 Answers

SOURCE: Power problem with an LG 50PC3D Plasma 50" TV

YOU PROBALY HAVE A BAD Y SUSTAIN BOARD OR POWER SUPPLY. POWER NEEDS TO BE DISCONNECTED FROM THE Y SUSTAIN AND THE VA & VS VOLTAGES CHECKED.

Posted on Jul 27, 2009

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  • 1 Answer

SOURCE: LG 26lx1d tv will not turn on. Power supply is

Have an LG26Lx1D for about 3 years, dropped off by my son.(Figures).Power light just blinking, but went back to red.Removed back panel, and metal cover. Just above antenna/cable input, its a small fan,mine was full of dirt. Blow off dirt, and make sure its turning freely.
Install back the covers, an voila....its a miracle...its working again.
Good luck

Posted on Mar 21, 2010

freetek
  • 5568 Answers

SOURCE: No indicator light or power

Please look at these two links; I suspect your problem is related:

http://www.fixya.com/support/t4592070-tv_no_power_will_not_switch

http://www.fixya.com/support/t4596948-tv_stopped_working_bit_fizzing

This model seems to be having a ton of power supply problems.

Posted on Apr 21, 2010

dunnbiker
  • 8546 Answers

SOURCE: LG LHB335 player will not

Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

Posted on Mar 05, 2011

archaeology
  • 662 Answers

SOURCE: we had a thunderstorm with

As an electrician, when someone loses more than 1 item of electronics in a day, its almost
always traceable to a nearby lightning strike, accompanied by inadequate surge protection for
the VCR/TV/Computer/Stereo/uninsured valuable electronic item/XBOX 360. Surge protection can
be provided by the consumer at the power strip (a good one with builtin protection and a
warranty costs $20, whereas a zero-protection 4-outlet or 6-outlet power strip will cost $4-$5).
Your electrician can provide whole-house protection, or per-circuit protection at
the breaker box, where a GFCI breaker (or better, an AFCI breaker) can be installed.
GFCI = ground fault circuit interruptor
AFCI = Arc fault circuit interruptor
Lightning protection is especially important in Florida, which is the "lightning capital of the world."
I've never found a good solution to lightning-fried electronics (random power supply components are destroyed), other than renters insurance or homeowners insurance.
The converter box may be replaced by DirecTV, you'd have to contact their customer
service at http://www.directv.com/DTVAPP/content/customerservice
If desperate, you could try replacing the entire TV power supply as a module, but even this provides
no guarantee of a fix - lightning damage can extend beyond the power supply.
When traveling, I will always unplug everything before I leave (except the security system),
and also turn off the breakers to unneeded house circuits (which kills the wall switches that
control interior lighting - forcing a burglar to use their flashlight instead of interior lighting)
which is the least convenient lightning protection, but highly effective, and cheap (free).

Posted on Aug 17, 2011

Testimonial: "thanks a mil! appreciate the reply. and the future advice as to how to prevent from happening again - i will take it. "

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Generally speaking, an amp protects itself from heat, shorts, overloads and operator exuberance by refusing to turn on or stay on.


Overloads can be from excessive periods of high output or marginally low impedance loading by the speakers; and shorts would be wiring issues or a speaker blowing up.


You should be able to feel if it's hot. WHY is it overheating? Make sure it has sufficient ventilation on all sides and that vent holes are not blocked by dust balls. Ensure the fan (if equipped) is running as designed (some only operate on demand). Clean dust and debris from it.


If the amp comes back on after cooling, you're lucky. They only have so many self-protection cycles in their lives so continuously resetting or cycling their power without addressing the cause can do more harm than good.


If it protects immediately on a cool power up you should disconnect the speaker connections and try it 'naked'. If it comes up then diagnose which lead(s) are shorted. If it does not come up the problem is internal and should be left to an experienced and competent hands-on tech.

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