this is what i was told by panasonic through the chat session:
bartosz: Plasma HDTV
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bartosz: hello, i want to purchase the tc-42G15 but recently i have read a lot of complains about black levels getting worse after 300 hours, many people called panasonic and panasonic confirmed this is a issue, do you know if panasonic is working on it ti fix the problem through the firmware upgrade or it will be not fixed at all?
bartosz: this is were i found out about the problem
Antione A: Yes Panasonic is always looking into possible resolutions
bartosz: but will they fix this? are you aware of the problem yourselve?
bartosz: there is so many people that love those tvs but the tv is not for first 300 hours, it should be black for longer time,
Antione A: At this time there is no current firmware for black level, we will have to wait and see what our firmware team will make available
bartosz: but panasonic is aware of the problem?
Antione A: Of course if it becomes such an issue to where it affects the Customer's viewing then we would send out a Service rep to eval
bartosz: so what are my options? get a tv wait until the black level changes and call for support?
bartosz: again are you personally aware of the problem?
Antione A: Yes I am aware of what you are talking about but it does not apply to every unit
Antione A: thats why we would normally get a Rep out to eval the issue
bartosz: so is it related to the hardware? and some have it and some dont? do you know what is the chance to get defected one?
bartosz: what is the percentage of defected units
Antione A: You should not be getting anything defected
bartosz: but from what people say on avs forums almost all of the units have the problem, because it looks like the firmware is program to change the black level settings after some time
Antione A: I am not aware of that Sir
bartosz: do you know if new models g25 have that issue fix or it is the same?
Antione A: No I have not heard of any G25 models having an picture issues at all
bartosz: when the 42tc-g25 will be available for sale?
bartosz: do you also know if there is a manual available for download for g25 series
Antione A: Not yet, 2010 models should all be available starting this Spring
Antione A: Usually around May
Antione A: including the 3D models
bartosz: ok thank you , i wish there would be a firmware upgrade for the black level problem so i could buy it now, but i am still not convinced that panasonic will do anything about it and i am worried to have a tv that will be even worse then LCD afer 300 hours
bartosz: i wish the panasonic would say something like that: we know the problem exist and we are working on the fix that will be coming soon
Antione A: Well as I mention earlier Panasonic is always looking into possible resolutions when theres an issue
bartosz: and as you said they know that there is an issue?
Antione A: We are not sure if a firmware will be released or if theres another fix for this type of issue
bartosz: so can this be called an issue or this is the way tv should operate
Antione A: And see that's the thing theres several owners who own this TV that we speak with on a daily bases that say the unit is operating fine
bartosz: yep but there are many that know the problem and are asking panasonic for help
Antione A: this tells use the issue does not exist on all G15 models , However for those who are having an issue we will certainly see what we can do to resolve it for them
Antione A: Is there anything else we can help you with?
bartosz: no thx
Antione A: Thanks for contacting Panasonic.
Panasonic: chat Disconnected.