Question about Vizio P2 42 in. HD-Ready Plasma Television
P42 vizio 3 yrs old
all modes dvd etc
Spent 3 hours removing all what seemed like 100 freaken screws.
Took out the OEM 6871QCH038A (038A), it is the last board after you pull the cover, bar, top input board, sits right behind the aluminum shield of the plasma screen. Caution the factory placed some type of heat transfer silicon clear grease on the back of the board so it will feel like it is glued on. Just be very carefull and gentle when prying it apart.
Be warned, you will need a magnifying glass to check those little resistors. They all checked out, no broken solders.
What I did observe is the grease melted down the back of the board and puddled at the bottom of the board and where the resistors sit.
I used rubbing alcohol to clean it all up but left the reside on the square pads. Cleaned the resistors and used a dry paint brush to dust of any lint.
Placed the component back and after 10 minutes the Vertical Red Line Disappeared.
Turned on the set next morning it was still gone. 10 minutes later it re-appeared for a couple of minutes then went away.
I spoke to a kind gentlemen at Electronica-USA.com, he stated that the 6781QCH060Q (060Q) is an upgrade to the defective proned 038A ( 038C is also an upgrade ). A tech in Cali stated the 060Q worked perfectly. He has had zero complaints about the 060Q in the Vizio plus he offers a 90 day return policy. Funny thing is the 060Q was designed for LG and Goldstar Plasmas but for some reason they do not work for them but do work for Vizio's. He even states that on his site.
As I type the red line is still gone and stayed off several hours last night.
I think I am going to pull the trigger and replace the 038A to the 060Q and be done with it.
Oh yeah, I asked him if the 060Q needs to be "flashed" with the Vizio program. He never heard of it requiring it.
He has 038C on order they are couple of bucks cheaper. the 060Q is $224 plus S&H.
I found on ebay for $184 free shipping but waiting for the guy to verify no "flash" requirement.
Hope this helps someone.
Merry Christmas and a Happy New Year!
P.S. use a power screwdriver, your wrist will thank you. I put mine on low torque as not to strip the heads.
Posted on Dec 24, 2008
Hello, most of these new tv's will eventually develope some type of panel display issue and especially after a few years of use. it is common. theres two possible issues with this. one being the panel itself is dying and it depends on what the display looks like. this is the more expensive repair in some model types more than the tv cost originaly.
the other is one or more fualty boards, this is a less expensive fix becuase they can change the defective board and fix the tv set,
try a search for hdtv panel display symptoms and you may find a display pic describing your panel trouble with the troubled part or cuase. a tv service center can also identify the trouble. but allways do your research before you take it in for service. if it is the panel itself you may consider the cost of a new set vs. the cost of repairing this set
hope this helps
Posted on Dec 20, 2008
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