Question about Panasonic PT-47WX49 47" Rear Projection Television

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Great Can you please give me a source and/or part number  where I can find the resistors.  i will just replace them both, since I do not have a resistor tester! Thank you. Omar

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There are 3 ratings for the resistors and there are 4 of each rating for each IC they are 2.2 ohm 1watt 2.2K ohm 1 watt and
3.3K ohm 1 watt. You can get replacements here.

Posted on Jun 27, 2008


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All i can say is that this is very common.May be it is not the convergence circuit in this case. it is the power supply not giving the convergence circuit the power it needs to run. there are several parts that need to be repalced here.

Or may be the convergence amplifiers need to be replaced. They're on the Small Signal Board (the one with the tuner[s] on it) and the part on the amp's (there are two on them, replace both) start with STK and will be followed by some numbers and pssosibly letters, such as STK392-110.

Please don't forget to rate the solution.

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I have a sylvania lc320slx 32 inch tv and it wont come on it just stop working it like its not getting any power

The solution will be to replace the inverter board. This is a common failure in this TV. Power supply start up resistors on the inverter board, R1943, R1944, R1945 may be open or have changed values. The values of each should be R1943 at 330K, R1944 at 330 and R1945 at 39. These are ohms of course. If the original values of these resistors are different, please use the values I gave you. Of course this info is good if you want to rework the original board. In many cases the inverter board may be replaced. The inverter part number you need, will be located on the board. Look for numbers A91 or A94, these are prefixes.They are followed by 10 more numbers and letters. Show this note to a TV repair shop. knowlege in this area will save you a few bucks. That's why you asked me. Thanks for asking and show all hands of support!

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you dident give much info to go off of, but check the resistor, and the blower for being faulty. unclip the harness to the fan, and give it a power and ground source manually, if it kicks on, the try replacing the resistor. if none of this applies, then check to see if the cooling system is full and flowing, a stuck thermostat will block flow to the heater core.

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C14 was leak and resistor R2 burn out, I replace C14 with 0.1 uF and R2 with a chip fuse, sound after that was great at the speakers.

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Replace the convergence ICs and feed resistors. You can get replacement ICs and resistors at the following link with installation instructions. If you leave them a email with your model number they will tell you the correct ICs and resistors for your model set. Heres the link.

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if you can remove the rear panel assy. look for the convergence ic's they start with stk--- and you got the part number you need a source panasonic is 814 source and the number on the ic's stk 390 ----/

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Hourglass Picture

it easy to locate the fusible resistor in the power module PCB,it look like a resistor but white in color,normally printed soc xxxx (2100) on top of the component. After you replaced the STK392-110 , you need to re-alight the convergence setting again.hope it will help.

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