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LG 50PC3D 50 in. Plasma Television Questions & Answers
CRACKED INNER SCREEN OF A 50 INCH LG PLASMA FROM NO EXTERNAL DAMA
If nobody at home how was the tv on?!?!?!?!?!? U must have a poltergeist living there if you stick to that story!
Screens do not just crack all by themselves - they need a little help. And product warranty's do not cover abuse. So yeah, you will be eating the 2 big ones.
Which board and which component on that board should I look at or replace
Sounds like Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.
Turn on tv, red power light flashes green three times and turns back to a steady red. Prts to repair or replace?
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 of many popular brand TVs are given. Surf the site with patience. If blinks continue without any pause, the main board is faulty.
Power light just blink like 17 time then stop fan not working
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.
Tv come on then shuts off
Does the power light blink after it shuts down? The number of blinks will usually indicate which area is failing. Most plasma tv's fail due to YSUS and Y buffer board failures.
Shorted q18
check value of caps in power supply they tend to dry out. do to heat.
Turn on and red light go to green and back to red
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 stage 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, to many popular brand TVs and other devices. Viewing it in "
Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given.
T.v. won't turn on
Bad caps in power supply,Crack or splits on top of cap or leaking, Check value of caps in power supply.
Power won't turn on
hi, there could be few components that might have failed, it might be best to look for a tech in your area, as you will need a multimeter service manual to help you
regards
shaun
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