life-span of an LG 32 LCD TV ?

zoepaulpenny · 03-02-2012, 23:33

HI. after buying an LG 32 LCD TV. i have thought how long will the TV approx last? i know it is down to the lamp life span in the TV. anyone who is a engineer or in the know ? who can advise. thanks..

Sue_Aitch · 04-02-2012, 07:54

Found

Chris Frost · 04-02-2012, 08:00

Going on the common issues that crop up here and on other forums it's more likely the lifespan of the inverter or some power supply component. 3-5 years seems to be an average mark before repair is required.

Before we get the inevitable landslide of "Mine's lasted X years. Far longer than dah de dah...." replies I'll just acknowledge that some are more... and some are less. But that's how averages work isn't it

XxBlaKOuTZxX · 04-02-2012, 09:00

5 years is the average isn't it but as you said, others last far longer than that. Although I do often wonder why some tv's fail while others (exact same models) work for years before faults occur, if any.

Nigel Goodwin · 04-02-2012, 09:17

Quote:

Originally Posted by zoepaulpenny

HI. after buying an LG 32 LCD TV. i have thought how long will the TV approx last? i know it is down to the lamp life span in the TV. anyone who is a engineer or in the know ? who can advise. thanks..

As others have suggested, it's VERY unlikely lamp life will be a concern (it's a fairly rare failure). Estimated lamp life, just as estimated Plasma screen life, is based on the estimated time for brightness to drop below acceptable levels. This is rarely the outcome, failure of the lamp/inverter/lcd (or PDP) is far more likely to occur before that point - even more likely is other failures in the set.

We've sold a reasonable number of 32" LG's, and they have been trouble free so far - not the same for the 19's, they are probably approaching 70-80% failure rate, apparently there is a modification for their problems. There have also been massive LCD panel failures on 42" LG's, with capacitors actually inside the LCD burning up.

But 32's have been good.

zoepaulpenny · 04-02-2012, 14:04

Quote:

Originally Posted by Nigel Goodwin

As others have suggested, it's VERY unlikely lamp life will be a concern (it's a fairly rare failure). Estimated lamp life, just as estimated Plasma screen life, is based on the estimated time for brightness to drop below acceptable levels. This is rarely the outcome, failure of the lamp/inverter/lcd (or PDP) is far more likely to occur before that point - even more likely is other failures in the set.

We've sold a reasonable number of 32" LG's, and they have been trouble free so far - not the same for the 19's, they are probably approaching 70-80% failure rate, apparently there is a modification for their problems. There have also been massive LCD panel failures on 42" LG's, with capacitors actually inside the LCD burning up.

But 32's have been good.

THANKS for that info, luckily i got the 32. as i was thinking of the 38/42 screens. interesting reply..

zoepaulpenny · 04-02-2012, 14:06

Quote:

Originally Posted by Sue_Aitch

Found

thanks.. i have read that link.. it quoted not junk brands.. what is classed as junk brands in to-days world????? and as quoted the 60.000 hours is hardly meet with any LCD TV..

Katana1000 · 04-02-2012, 14:09

Depends on usage too I guess, if you have a TV on all day every day then it will last less, but constantly switching it on and off can have an effect on some components too.

zoepaulpenny · 04-02-2012, 14:19

Quote:

Originally Posted by Katana1000

Depends on usage too I guess, if you have a TV on all day every day then it will last less, but constantly switching it on and off can have an effect on some components too.

well that is another interesting point!! because the general opinion is that turning it off and on, should have no negativeness impact on the TV's life, as does it have any on a pc..

Nigel Goodwin · 04-02-2012, 14:30

Quote:

Originally Posted by zoepaulpenny

thanks.. i have read that link.. it quoted not junk brands.. what is classed as junk brands in to-days world????? and as quoted the 60.000 hours is hardly meet with any LCD TV..

As I mentioned above, those claimed figures are simply referring to expected drop off in brightness as the phosphurs in the tubes wear out (or on the front for a Plasma). It's nothing to do with any other kind of break down, or indeed tube failure unrelated to 'wearing out'.

CCFL's are essentially the same as fluorescent tubes used in the house - how many of those do you ever change because the brightness has dropped to unacceptable levels?. You don't - you change them because they either don't strike up at all, or they flicker.

Just the same for CCFL's - and the claimed figures don't take account of that.

Anika Hanson · 04-02-2012, 14:44

Well I have a 32" LG LCD and its still working after 2 years. I also have a 42" LG LCD which has developed a fault after 4.5 years. The TV is still working but it the longterm it needs to be fixed or replaced as it is not conveniant for me to keep it on 24/7 ( most likely a power issue). So based on my own experiences I'd say the 3-5 year average estimate is spot on.

zoepaulpenny · 04-02-2012, 14:55

Quote:

Originally Posted by Anika Hanson

Well I have a 32" LG LCD and its still working after 2 years. I also have a 42" LG LCD which has developed a fault after 4.5 years. The TV is still working but it the longterm it needs to be fixed or replaced as it is not conveniant for me to keep it on 24/7 ( most likely a power issue). So based on my own experiences I'd say the 3-5 year average estimate is spot on.

SO if the common fault is an power issue, after an ave of 3-5 years , does keeping the TV in standby mode contribute to the power issue failure?? and would turning off the TV when not in use via the power switch on the back of the TV?? help to prolong the inverter life??

John Currie · 04-02-2012, 16:29

Quote:

Originally Posted by zoepaulpenny

SO if the common fault is an power issue, after an ave of 3-5 years , does keeping the TV in standby mode contribute to the power issue failure??

Yes.

Quote:

Originally Posted by zoepaulpenny

and would turning off the TV when not in use via the power switch on the back of the TV?? help to prolong the inverter life??

No, not the invertor, the power supply.

Anika Hanson · 04-02-2012, 16:57

Quote:

Originally Posted by John Currie

Yes.

No, not the invertor, the power supply.

I kept my TV in standby when not in use prior to it developing the fault but the tv does not have an off button. To turn it completely off you'd have to turn the power off at the switch/ take the plug out. That's not conveniant.

John Currie · 04-02-2012, 17:21

Quote:

Originally Posted by Anika Hanson

To turn it completely off you'd have to turn the power off at the switch/ take the plug out. That's not conveniant.

Maybe not convenient but would probably have prolonged it's life.

Nigel Goodwin · 04-02-2012, 20:20

Quote:

Originally Posted by John Currie

Maybe not convenient but would probably have prolonged it's life.

Most probably not, it was designed to be used the way he's been using it.

In standby all that's running is a small standby PSU, it's fairly uncommon for those to give problems as it's such a low power circuit.

pocatello · 06-02-2012, 00:34

Going by random component failure..5 years, but htat is a guess, it'll probably last until it is worth scrap, 32" is already bargain basement territory. The bulbs are rated for so many thousands of hours its just not worth concerning yourself about.

shackfan · 06-02-2012, 13:37

Well my 42" Samsung plasma lasted about 5.5 years till it died recently and would have cost more to repair than to fing a replacement

Currently using an old Panasonic "fat" tv and guess what? I dont find I am missing the big screen. It hasnt made me enjoy programmes any less. Yes, once I can afford to I'll buy a 50" something

, but for now ( and the surround sound does help for films) I am more than happy with the 21" or whatever it is!!!

zoepaulpenny · 06-02-2012, 21:02

Quote:

Originally Posted by shackfan

Well my 42" Samsung plasma lasted about 5.5 years till it died recently and would have cost more to repair than to fing a replacement

Currently using an old Panasonic "fat" tv and guess what? I dont find I am missing the big screen. It hasnt made me enjoy programmes any less. Yes, once I can afford to I'll buy a 50" something

, but for now ( and the surround sound does help for films) I am more than happy with the 21" or whatever it is!!!

what ever you can afford, and happy with..

pocatello · 08-02-2012, 02:30

Well true, you can get by with very little if need be. These things are just bonus.

But well, somethings are just amazing on the big screen in HD.
http://www.amazon.co.uk/Phantom-Oper.../dp/B005M0X078
and cheap too!

So much better than the recent film adaptation.

Anika Hanson · 08-02-2012, 08:04

Quote:

Originally Posted by pocatello

Well true, you can get by with very little if need be. These things are just bonus.

But well, somethings are just amazing on the big screen in HD.
http://www.amazon.co.uk/Phantom-Oper.../dp/B005M0X078
and cheap too!

So much better than the recent film adaptation.

Thanks for the link. A very good price.

XxBlaKOuTZxX · 08-02-2012, 10:25

Quote:

Originally Posted by Anika Hanson

I kept my TV in standby when not in use prior to it developing the fault but the tv does not have an off button. To turn it completely off you'd have to turn the power off at the switch/ take the plug out. That's not conveniant.

Isn't it the case that most modern tv's DONT have an off/on switch though. Most just go into standby as the EPG needs to be updated and the tv MUST be on standby to do this, so I dont see the point in modern tv's having an on/off switch tbh.

njp · 08-02-2012, 10:59

Quote:

Originally Posted by XxBlaKOuTZxX

Isn't it the case that most modern tv's DONT have an off/on switch though. Most just go into standby as the EPG needs to be updated and the tv MUST be on standby to do this, so I dont see the point in modern tv's having an on/off switch tbh.

I don't think any TVs update the EPG whilst in standby. All that's running is a circuit to monitor the IR receiver so you can switch the TV on with the remote.

Not having a physical switch just saves the cost of a component and (arguably) a possible point of failure, at the expense of a fraction of a watt of power consumption.

coachtrip_fan99 · 08-02-2012, 20:47

Ive always believed that it is better to leave the TV switched on to standby mode to ensure it lasts longer..... and the sudden input of power all the time may be dangerous.

As when you think about a simpler electrical appliance such as a lightbulb.... the time they always blow is at time of turn on...... they never blow (or very rarely) during normal operation.

grahamlthompson · 08-02-2012, 21:00

Quote:

Originally Posted by coachtrip_fan99

Ive always believed that it is better to leave the TV switched on to standby mode to ensure it lasts longer..... and the sudden input of power all the time may be dangerous.

As when you think about a simpler electrical appliance such as a lightbulb.... the time they always blow is at time of turn on...... they never blow (or very rarely) during normal operation.

Modern TV's in sby have minute power consumption, virtually everthing not required to see the IR controller is turned off.

A light bulb blows because when cold the filament has a very low resistance. This produces a short high current surge till it gains it's operating temperature. This can break the filament because of the physical force it creates in the filament coil. A current pulse in a coil produces a force that tries to expand the coil.

03-02-2012, 23:33	#1
zoepaulpenny Forum Member Join Date: Oct 2008 Location: the land of the hobbit. Posts: 8,839	life-span of an LG 32 LCD TV ? HI. after buying an LG 32 LCD TV. i have thought how long will the TV approx last? i know it is down to the lamp life span in the TV. anyone who is a engineer or in the know ? who can advise. thanks..

06-02-2012, 13:37	#18
shackfan Forum Member Join Date: May 2006 Posts: 12,979	Well my 42" Samsung plasma lasted about 5.5 years till it died recently and would have cost more to repair than to fing a replacement Currently using an old Panasonic "fat" tv and guess what? I dont find I am missing the big screen. It hasnt made me enjoy programmes any less. Yes, once I can afford to I'll buy a 50" something, but for now ( and the surround sound does help for films) I am more than happy with the 21" or whatever it is!!!

06-02-2012, 21:02	#19
zoepaulpenny Forum Member Join Date: Oct 2008 Location: the land of the hobbit. Posts: 8,839	Quote: Originally Posted by shackfan Well my 42" Samsung plasma lasted about 5.5 years till it died recently and would have cost more to repair than to fing a replacement Currently using an old Panasonic "fat" tv and guess what? I dont find I am missing the big screen. It hasnt made me enjoy programmes any less. Yes, once I can afford to I'll buy a 50" something, but for now ( and the surround sound does help for films) I am more than happy with the 21" or whatever it is!!! what ever you can afford, and happy with..

04-02-2012, 07:54	#2
Sue_Aitch Forum Member Join Date: Mar 2010 Posts: 4,815	Found

04-02-2012, 08:00	#3
Chris Frost Forum Member Join Date: Jun 2003 Location: Cheshire Posts: 6,462	Going on the common issues that crop up here and on other forums it's more likely the lifespan of the inverter or some power supply component. 3-5 years seems to be an average mark before repair is required. Before we get the inevitable landslide of "Mine's lasted X years. Far longer than dah de dah...." replies I'll just acknowledge that some are more... and some are less. But that's how averages work isn't it

04-02-2012, 09:00	#4
XxBlaKOuTZxX Forum Member Join Date: May 2011 Location: Edinburgh / Scotland Posts: 2,773	5 years is the average isn't it but as you said, others last far longer than that. Although I do often wonder why some tv's fail while others (exact same models) work for years before faults occur, if any.

04-02-2012, 09:17	#5
Nigel Goodwin Forum Member Join Date: Apr 2006 Location: North Derbyshire Posts: 41,789	Quote: Originally Posted by zoepaulpenny HI. after buying an LG 32 LCD TV. i have thought how long will the TV approx last? i know it is down to the lamp life span in the TV. anyone who is a engineer or in the know ? who can advise. thanks.. As others have suggested, it's VERY unlikely lamp life will be a concern (it's a fairly rare failure). Estimated lamp life, just as estimated Plasma screen life, is based on the estimated time for brightness to drop below acceptable levels. This is rarely the outcome, failure of the lamp/inverter/lcd (or PDP) is far more likely to occur before that point - even more likely is other failures in the set. We've sold a reasonable number of 32" LG's, and they have been trouble free so far - not the same for the 19's, they are probably approaching 70-80% failure rate, apparently there is a modification for their problems. There have also been massive LCD panel failures on 42" LG's, with capacitors actually inside the LCD burning up. But 32's have been good.

04-02-2012, 14:04	#6
zoepaulpenny Forum Member Join Date: Oct 2008 Location: the land of the hobbit. Posts: 8,839	Quote: Originally Posted by Nigel Goodwin As others have suggested, it's VERY unlikely lamp life will be a concern (it's a fairly rare failure). Estimated lamp life, just as estimated Plasma screen life, is based on the estimated time for brightness to drop below acceptable levels. This is rarely the outcome, failure of the lamp/inverter/lcd (or PDP) is far more likely to occur before that point - even more likely is other failures in the set. We've sold a reasonable number of 32" LG's, and they have been trouble free so far - not the same for the 19's, they are probably approaching 70-80% failure rate, apparently there is a modification for their problems. There have also been massive LCD panel failures on 42" LG's, with capacitors actually inside the LCD burning up. But 32's have been good. THANKS for that info, luckily i got the 32. as i was thinking of the 38/42 screens. interesting reply..

04-02-2012, 14:06	#7
zoepaulpenny Forum Member Join Date: Oct 2008 Location: the land of the hobbit. Posts: 8,839	Quote: Originally Posted by Sue_Aitch Found thanks.. i have read that link.. it quoted not junk brands.. what is classed as junk brands in to-days world????? and as quoted the 60.000 hours is hardly meet with any LCD TV..

04-02-2012, 14:09	#8
Katana1000 Inactive Member Join Date: Oct 2011 Location: NE Scotland Posts: 670	Depends on usage too I guess, if you have a TV on all day every day then it will last less, but constantly switching it on and off can have an effect on some components too.

04-02-2012, 14:19	#9
zoepaulpenny Forum Member Join Date: Oct 2008 Location: the land of the hobbit. Posts: 8,839	Quote: Originally Posted by Katana1000 Depends on usage too I guess, if you have a TV on all day every day then it will last less, but constantly switching it on and off can have an effect on some components too. well that is another interesting point!! because the general opinion is that turning it off and on, should have no negativeness impact on the TV's life, as does it have any on a pc..

04-02-2012, 14:30	#10
Nigel Goodwin Forum Member Join Date: Apr 2006 Location: North Derbyshire Posts: 41,789	Quote: Originally Posted by zoepaulpenny thanks.. i have read that link.. it quoted not junk brands.. what is classed as junk brands in to-days world????? and as quoted the 60.000 hours is hardly meet with any LCD TV.. As I mentioned above, those claimed figures are simply referring to expected drop off in brightness as the phosphurs in the tubes wear out (or on the front for a Plasma). It's nothing to do with any other kind of break down, or indeed tube failure unrelated to 'wearing out'. CCFL's are essentially the same as fluorescent tubes used in the house - how many of those do you ever change because the brightness has dropped to unacceptable levels?. You don't - you change them because they either don't strike up at all, or they flicker. Just the same for CCFL's - and the claimed figures don't take account of that.

04-02-2012, 14:44	#11
Anika Hanson Forum Member Join Date: Dec 2008 Location: UK Posts: 14,219	Well I have a 32" LG LCD and its still working after 2 years. I also have a 42" LG LCD which has developed a fault after 4.5 years. The TV is still working but it the longterm it needs to be fixed or replaced as it is not conveniant for me to keep it on 24/7 ( most likely a power issue). So based on my own experiences I'd say the 3-5 year average estimate is spot on.

04-02-2012, 14:55	#12
zoepaulpenny Forum Member Join Date: Oct 2008 Location: the land of the hobbit. Posts: 8,839	Quote: Originally Posted by Anika Hanson Well I have a 32" LG LCD and its still working after 2 years. I also have a 42" LG LCD which has developed a fault after 4.5 years. The TV is still working but it the longterm it needs to be fixed or replaced as it is not conveniant for me to keep it on 24/7 ( most likely a power issue). So based on my own experiences I'd say the 3-5 year average estimate is spot on. SO if the common fault is an power issue, after an ave of 3-5 years , does keeping the TV in standby mode contribute to the power issue failure?? and would turning off the TV when not in use via the power switch on the back of the TV?? help to prolong the inverter life??

04-02-2012, 16:29	#13
John Currie Forum Member Join Date: Dec 2002 Location: South Lanarkshire. Scotland Posts: 2,005	Quote: Originally Posted by zoepaulpenny SO if the common fault is an power issue, after an ave of 3-5 years , does keeping the TV in standby mode contribute to the power issue failure?? Yes. Quote: Originally Posted by zoepaulpenny and would turning off the TV when not in use via the power switch on the back of the TV?? help to prolong the inverter life?? No, not the invertor, the power supply.

04-02-2012, 16:57	#14
Anika Hanson Forum Member Join Date: Dec 2008 Location: UK Posts: 14,219	Quote: Originally Posted by John Currie Yes. No, not the invertor, the power supply. I kept my TV in standby when not in use prior to it developing the fault but the tv does not have an off button. To turn it completely off you'd have to turn the power off at the switch/ take the plug out. That's not conveniant.

04-02-2012, 17:21	#15
John Currie Forum Member Join Date: Dec 2002 Location: South Lanarkshire. Scotland Posts: 2,005	Quote: Originally Posted by Anika Hanson To turn it completely off you'd have to turn the power off at the switch/ take the plug out. That's not conveniant. Maybe not convenient but would probably have prolonged it's life.

04-02-2012, 20:20	#16
Nigel Goodwin Forum Member Join Date: Apr 2006 Location: North Derbyshire Posts: 41,789	Quote: Originally Posted by John Currie Maybe not convenient but would probably have prolonged it's life. Most probably not, it was designed to be used the way he's been using it. In standby all that's running is a small standby PSU, it's fairly uncommon for those to give problems as it's such a low power circuit.

06-02-2012, 00:34	#17
pocatello Inactive Member Join Date: Mar 2010 Posts: 8,622	Going by random component failure..5 years, but htat is a guess, it'll probably last until it is worth scrap, 32" is already bargain basement territory. The bulbs are rated for so many thousands of hours its just not worth concerning yourself about.

08-02-2012, 02:30	#20
pocatello Inactive Member Join Date: Mar 2010 Posts: 8,622	Well true, you can get by with very little if need be. These things are just bonus. But well, somethings are just amazing on the big screen in HD. http://www.amazon.co.uk/Phantom-Oper.../dp/B005M0X078 and cheap too! So much better than the recent film adaptation.

08-02-2012, 08:04	#21
Anika Hanson Forum Member Join Date: Dec 2008 Location: UK Posts: 14,219	Quote: Originally Posted by pocatello Well true, you can get by with very little if need be. These things are just bonus. But well, somethings are just amazing on the big screen in HD. http://www.amazon.co.uk/Phantom-Oper.../dp/B005M0X078 and cheap too! So much better than the recent film adaptation. Thanks for the link. A very good price.

08-02-2012, 10:25	#22
XxBlaKOuTZxX Forum Member Join Date: May 2011 Location: Edinburgh / Scotland Posts: 2,773	Quote: Originally Posted by Anika Hanson I kept my TV in standby when not in use prior to it developing the fault but the tv does not have an off button. To turn it completely off you'd have to turn the power off at the switch/ take the plug out. That's not conveniant. Isn't it the case that most modern tv's DONT have an off/on switch though. Most just go into standby as the EPG needs to be updated and the tv MUST be on standby to do this, so I dont see the point in modern tv's having an on/off switch tbh.

08-02-2012, 10:59	#23
njp Forum Member Join Date: Dec 2004 Posts: 21,646	Quote: Originally Posted by XxBlaKOuTZxX Isn't it the case that most modern tv's DONT have an off/on switch though. Most just go into standby as the EPG needs to be updated and the tv MUST be on standby to do this, so I dont see the point in modern tv's having an on/off switch tbh. I don't think any TVs update the EPG whilst in standby. All that's running is a circuit to monitor the IR receiver so you can switch the TV on with the remote. Not having a physical switch just saves the cost of a component and (arguably) a possible point of failure, at the expense of a fraction of a watt of power consumption.

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life-span of an LG 32 LCD TV ?

08-02-2012, 20:47	#24
coachtrip_fan99 Forum Member Join Date: Jun 2009 Posts: 2,127	Ive always believed that it is better to leave the TV switched on to standby mode to ensure it lasts longer..... and the sudden input of power all the time may be dangerous. As when you think about a simpler electrical appliance such as a lightbulb.... the time they always blow is at time of turn on...... they never blow (or very rarely) during normal operation.

08-02-2012, 21:00	#25
grahamlthompson Forum Member Join Date: May 2005 Location: Redditch Worcs Posts: 17,293	Quote: Originally Posted by coachtrip_fan99 Ive always believed that it is better to leave the TV switched on to standby mode to ensure it lasts longer..... and the sudden input of power all the time may be dangerous. As when you think about a simpler electrical appliance such as a lightbulb.... the time they always blow is at time of turn on...... they never blow (or very rarely) during normal operation. Modern TV's in sby have minute power consumption, virtually everthing not required to see the IR controller is turned off. A light bulb blows because when cold the filament has a very low resistance. This produces a short high current surge till it gains it's operating temperature. This can break the filament because of the physical force it creates in the filament coil. A current pulse in a coil produces a force that tries to expand the coil.