Question about RCA P61960 61" Rear Projection Television
Screen bows in center top and center bottom some of the sides of the picture are cut off and the convergence is off
Posted by Anonymous on
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Posted on Jan 02, 2017
hi my asteamed coleage is correct in most cases.I have been a factory warrenty tech for rca since 1985. your set ctc 195 chassis has 2 boards 1 digicon board (digit convergence board) and 1 small convergence board called conver power supply) this board produces power to digicon board There is a pos 47volts and neg 47volts along with 15 volt supply ) i think if looking from back of tv (with back off) in the upper right corner you will see a small green board (4inc long by 2inch ) on that board is a silver metal piece going from top to bottom is a small black (kind of rectanggular black chip it has a clip ontop remove screw to see num on chip is 730-020 change that . as for your ques about customer convergence it's hard to find if you hit menu move down to vidio menu (you will get color,brightness and so forth but keep going down it will come to CONVERGENCE hit + key hope me and colleage helps fix tv from MILWAUKEE WIS HEY GOOD LUCK
Posted on Aug 11, 2006
SOURCE: rca 52" p52960 convergence bows
I wish it was that simple. On this chassis there are many parts that have gone bad in the past to cause this very symptom. So many in fact that there is a repair kit available that contains common failure parts p/n 250686-KIT. This is NOT a DIY project as many of the parts are small and would be hard to locate and impossible to replace by anyone not having superior soldering skills. It would not surprise me if the repair on this set would set you back about $350. If you can get a free estimate, great, but if you can swing it, you may be better off putting that money towards a new DLP rear projection NON RCA HDTV. I have had good luck with Toshiba sets for the last several years, and Consumer Reports seem to agree with me.
Posted on Apr 12, 2007
SOURCE: Distorted Screen for RCA HD56w66
convergence is the problem. first question do you have convergence in the customer setup menu. if you do not it could be a special small fuse if you do have "convergence" in the setup menu then you most likely have a convergence power board issue. and generally they are replaced. in our shop such board replacement average 124 labor and about 100 for part. if the fuse bout 15 for part and 80 for labor. there are solder connection that cause the blown fuse
Posted on Feb 21, 2008
SOURCE: RCA HD52W59 CONVERGENCE ISSUE
I gave this advice before and I hope it helps you too.
You may not have to buy a new board. It just might be the Convergence Amplifiers that have gone bad. You may just want to replace them first and then see if it corrects your problem before getting the whole board. The convergence amplifiers are easily identified they are tow big black modules attached to a big metal frame called a heat sync, normally it will be located on the right rear section of the TV set looking at it from the back or it would be located in the middle rear of the set looking at it from the rear. In any even look for two big six sided black components with 21-22 pins, now this is the important parts some electronics parts stores sell what are called Convergence Kits (Yes this problem is so common that they have put kits together to repair this issue), they contain the two modules and the biasing resistors needed to properly do the job. You will have to order the kit for your make and model of TV if they do not have a kit, you will have to use a schematic diagram to find the values of the biasing resistors needed. Once you have the modules and the biasing resistors, you will have to de-solder the modules and the associated resistors and replace them with the ones you purchased. You will also need to detach the modules from the heat sink clean the heat sink (with alcohol) and then attach the new modules (with a new application of heat sink paste, which is the white stuff the you removed with the alcohol) with the screws you removed to detach the modules. Once the modules and biasing resistors are installed you will need to turn on the TV and then perform a convergence setup, your TV most likely will have an auto convergence alignment setup feature on the setup menu , use this to do the convergence alignment setup (check your users manual for help in doing this). The cost for this repair will be as follows:
2 STK392-1XX series Convergence Amplifiers $4.00-$15.00 USD Total $8.00 - $30.00 USD
9-10 biasing resistors $5.00-$10.00 USD (multipack) $15.00 USD
Solder $5.00 USD
Soldering Iron $20.00 USD
Silicone Heat sink paste $6.00 USD
de-soldering brade $5.00
The cost of materials will be about $81.00 on the high end.
The cost of a new board will be about $150.00 - $200.00 depending on the vendor.
You can buy replacement boards from a manufacture approved vendor outlet, go to the manufacture's site find support and parts they should have a listing of supported vendors. I would suggest calling the vendor and ordering from the phone asking them to send you an RMA for the part (board) this protect you from having them asses charges without delivery of product.
You will need the schematic diagram to help you install it schematics can be purchased at http://www.servicemanuals.net
for about $19.00 USD.
I hope this helps,
Posted on Jul 19, 2008
OK., I know this set very well. It almost never has a convergence problem.
With the set unplugged, remove the back cover--there is a small circuit board mounted ABOVE the main boards--it is about 10 inches wide and 4 inches tall---On the far right side of it are several DIODES---two are much larger then the rest--what usually happens is one of the large diodes is shorted--5 dollar part---the board only has a few plugs and 4 screws that hold it in---easy to remove--check all the diodes(the two large ones first)
If either of the large diodes read like a fuse you FOUND YOUR TROUBLE.
LET me know if you need ANY help or Advice--I am here to help people---I have seen several sets identical to yours with the problem you describe.
Regards, SD TECH
Posted on Oct 07, 2009
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