Question about Sony KP-51HW40 51" Rear Projection Television
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Posted on Jan 02, 2017
SOURCE: Sony 57
I have never heard of two CRts being shorted at the same time. I would suggest calling another shop as They are most likely trying to take advantage of you. Go to the following link and leave an email indicating your model number and one of their techs will email you back and ask you to explain your symptoms.
heres the link.
Posted on May 17, 2008
The service manual on page 8 shows how to adjust the Red/Blue/Green screen voltages. To get to the adjustment board, take the front speaker grill off (two screws at the bottom left and right) and set it aside. No need to disconnect any wires. Then remove the plywood board with 4 screws that exposes the screen/focus adjustments. The top 3 adjustments are for focus, and you need not mess with these. The bottom 3 adjustments are for Red/Blue/Green screen voltage rough adjustments. My screen showed red lines, so I had to turn the bottom right adjustment with a philips head screwdriver just slightly until the red gun retrace lines where no longer visible.
Posted on Sep 06, 2008
Just fixed mine with the same problem you all described:
Posted on May 19, 2009
First of all, there are no lamps inside this set, there are CRTs. These are not just replaced as lamps would be. The CRTs themselves will run at leas $80 each. To change these will require replacing the coolant for the CRT as well which is not a DYI type of job. The coolant is dangerous and needs to be handled carefully. Also, once a CRT is replaced, a complete mechanical and electronic convergence adjustment must be made. There is a specific order in which to do this that is outlined in the service manual and it requires a template that would need to be purchased as well.
Unless there is a specific problem that needs to be addressed, it is unlikely that any of the CRTs needs to be replaced.
If you are having a problem with the set, can you please update this with a description of the problem? We should be able to assist in the resulution of the problem with something less drastic than CRT replacement.
Posted on Nov 20, 2009
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