Where can i find and exploded view diagram of a sony rear projection tv? a friend needs his lenses cleaned and there might be cobwebs inside of it. i've taken many rear proj tvs apart to install screen shields, but want to make sure that i don't mess his up, since he's my chiropractor and could really mess me up if i goof. (not that he would, but i'd rather not damage this particular tv.)
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you need to take the top back off the tv. and mind the glass at the top of the rear part top it is very fragile, most of the projection tv have a side cover on each side so you can clean the rear of the screen, as you not said what type screen you have i cannot tell you further.
Easy way to deal with this is to unplug set and remove back cover-----with one of the Swiffer type dusters(there should be plenty of room inside this set) gently reach up and get all the webs out---also a good idea if you do this with a lens cloth or paper towel with windex clean the three large black lens you will see when you remove the cover---they usually need to be cleaned about once a year(if they are dusty the picture will be darker and not a clear)
Hi, Your TV requires service and cleaning of screen, mirror and 3 lenses (of CRTs) as looks dusty. Below is an exploded view how to take off front beznet assembly of this TV to clean inside with moist cotton cloth. Unplug TV before taking off front of TV.
I had the exact same problem and the fix is easy to do. Unplug the TV first of all and wheel it out so you can easily get to all of the rear screws.
Remove the screws from the ventilated back panel (the piece of wood with a bunch of holes in it surrounding the AV connection panel.
Remove the wood panel you just unscrewed.
Remove all screws from the upper plastic case on the back.
Remove the back plastic case carefully. This is a little tricky due to two metal pins that it hangs on. Lift it upwards and you should be able to free it from these pins
At this point you should be able to see the entire workings of the TV, and consequently the massive amount of dust that has accumulated.
Carefully take a vacuum and remove all the cobwebs, taking care not to bump the mirror or the lenses.
First, I used some compressed air to clean off the lenses and then used a clean microfiber towel to remove all the dust from the lenses, the mirror, and the screen on the inside. Make sure the part you are wiping the mirror and lenses off with is free from any dust or dirt or you will risk scratching them.
Reverse the dissasembly process to put the case back together.
I went through the convergance settings at this point and found that they were all out of calibration and as such recalibrated them. Use the mulitpoint calibration for best results.
I would recommend getting a service manual as the light engines are a little complicated to get out. where the manual would have an exploded diagram which would make it alot easier. If you need a link to get the manual let me know and I will post one for you.
You'll need to have the frame of the tv either opened so you can reach in there or the top mirror block assy will need to be removed to get inside to the screens. You may want to have a Sony ASC do this type of repair. Call Sony for a referral.