Question about RCA HD52W59 HDTV Projection Television
Color & its blurry
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Posted on Jan 02, 2017
SOURCE: 32 inch rca color
If this is a 32 inch TV then it is a standard picture tube set. If the colors have suddenly gone out of whack, and the set has not been dropped or had any large magnets near it recently, it means that the degaussing thermistor has come loose from its legs. This is very common in the RCA regular picture tube sets. If you look in the back of the set you will see a large black coil of wire wrapped around the edges of the picture tube, with 2 white wires going down to a jack on the main PC board. Right next to that jack is the degaussing thermistor, which looks like a small silver disc, like a nickle, with 2 legs loosely soldered to its sides. One or both of those legs are probably loose, and if you are very careful you can solder those legs back onto the thermistor. If you do not have experience soldering small parts, allow a qualified tech to handle it for you.
Posted on Aug 28, 2007
I have the same model and the same problem - the picture just started getting slightly blurry, and moving objects get sort of grainy and jagged around the edges. I'd like to try the flyback adjustment you mention, but I have no idea what to look for. Is there a guide or reference that could help with this stuff? Schematics?
Posted on Oct 08, 2008
I HAD THE SAME ISSUE. I WAS LUCKY, MY TV WAS UNDER WARRANTY. THEY SENT IT TO BE FIXED. THEY REPLACED 2 CONNECTORS FROM THE PROJECTOR AND THE ON/OFF BUTTON. THE WIRES WERE NOT TRANSMITTING THE SIGNAL/ OR A SHORT IN IT. THEY REPLACE THEM ALSO. IT WOULD TAKE MY TV ABOUT 2 MINUTES TO TURN ON. THE COLORS WERE OFF. AND I HAD DOUBLE OR TRIPLE VISION. THEY ALSO REPLACE A FUSE IN THE PROJECTOR PART OF THE TV. THE FUSE ITS SELF COST ABOUT 275.00 WITH OUT LABOR. I DIDN'T PAY A THING I WAS ONE WEEK SHY OF MY WARRANTY TO BE OVER. EMAIL ME IF U THINK THIS HELPED. THANKS VERONICA.SANCHEZ@VETERANS.IDAHO.GOV
Posted on Jan 09, 2009
Tips for a great answer:
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You have a problem with the three factors, and they are screen voltage, focus voltage, and control (focus 2) voltage. Basically these voltages have to be adjusted since the components in this section have aged some. These controls are usually located in the television on the IHVT (Integrated High Voltage Transformer) or as it is also called the flyback transformer. these controls must be adjusted together, along with the color controls. Here is how the adjustment is done (You will need a schematic diagram, a DC volt meter, and a color bar generator to do these measurments):
1) turn color and tint fully counter clockwise until you have a black and white picture.
2) connect the color bar generator to the TV (ch 3) and turn it on, you should see bars in various shades of gray
3) adjust as best as possible the color and tint controls to obtain the color bars on the screen Red Green Blue.
4) measure the voltages on the focus, screen and control grids of the CRT and match them to the schematic digram measurements.
5) adjust the focus screen and control grids to match the ones on the schematic diagram
6) once this is done then you adjust the color controls once again to obtain the red green and blue bars on the TV screen.
This should help if the CRT (picture tube) electron guns are still good and if the flyback transformer voltage supply is working.
However if you do not have a background in electronics please take the TV to a shop for repairs.
I hope this helps,
Oct 16, 2007 | Sony KV-20M20 20" TV
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