Question about JVC AV-56WP74 56" Rear Projection HDTV-Ready Television
Can anyone Tell me what resistor goes into spot R850? and where i can order it?
I don't have a schematic here so I'm shooting entirely from memory... the 850 series position tells me you're in the convergence circuit and I would guess you're replacing some of the yoke return resistors.. Are there any color bandings on that resistor? How about compare it to R846 which I know is a yoke return resistor (it's a 1.5 ohm / 2w) and does it look about the same?
Now I'm going to be really pushy - - - the heading here says you changed the ICs and I would assume you're referring to the convergence Ics? Both are a STK392-110 factory, what did you change them to and where did you get them?? Reason I ask is that there are a lot of chineese knock-offs out there and they won't last sometimes past pressing the power button. And usually with these units I upgrade to a higher amp Ic for greater reliability like a STK392-150 or 180... In addition take a dmm or annalog ohm meter and test all the low ohm resistors in that youke return. A resistor doesn't have to look burned to have changed in value...
Where do you get them... Try Acme Enterprises in Florida.. They have quality Sanyo original Ics and prices are cheaper than anywhere else you'll find in the US... http://www.acme-sales.net/index.shtml
Have a great day and good luck on your repair!
Posted on Dec 09, 2007
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Posted on Jan 02, 2017
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