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The regulator IC is always damage and the resistor .47 ohms...

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Hello
Check for any short circuit on the output stage of that regulator IC. you can detect it with the help of a multimeter, set to Ohms range, by mesuring its output to negative. OK.

Posted on Apr 06, 2011

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Have a Panasonic PT-47WX53 47. It's probably as old as when it came out. I've messed around with the convergence before but it was never un-fixable. Then a couple a days ago I came into the ro


yes and also possibly the low ohm resistors. You can get the PT53WX53 convergence kit which fits your model from www.tvrepairworld.com which has the 2 ICs and associated resistors plus the CD with repair instructions.

Jun 09, 2012 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

2.2 ohm resistor blowing after convergence repair


It might be the issue on the board. I would recommend you to show it to a repairman

Sep 07, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

PT-47WX52F with bad resistors at R832, R7060, and R7066. Changed IC's before, but now these resistors are bad. What type of resistors are these, and how can I obtain them? Thanks


R832 is a 8.2MEG 5% 3/4 watt resistor
R7060 & R7066 are both .27 ohm 5% 1watt resistors,
You can get the full set of panasonic resistors from www.tvrepairworld.com under the Panasonic repair kits its listed as the PT47WXC43 Resistor Kit that kit also fits the WX52 and WX42 models panasonics.

Aug 11, 2011 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

The regulator IC always damage even if we are replace another regulator IC together with the resistor .47ohms..


You need to check the drain into the circuit as the regulator fails ONLY when the current drain exceeds the limit and thereby damages the fusible0.47 resistor.
Either you can use a higher rating of the regulator or you need to check the drain current to see if any component is faulty.

Apr 06, 2011 | Panasonic Televison & Video

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Detailed problem per your response


The problem is that the ICs may have been blown because the resistors were bad. Just as a double check before you replace anything else. Please confirm that the STKs are STK392-110. Also, replaceing them with STK392-150 is a valid upgrade, I'm not sure about the 180s, but I'll check. Both the STKs and the resistors need to be changed at the same time.

The hour glass view you reported: Was the bowing on the top and bottom or on the sides?

Thanks,
Dan

Sep 11, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Continued convergance issue.


I have heard from a few people that the higher value IC (150, 180, etc) do handle more current, but also that they *draw* more current, as well. Taking a guess, it may be simply that the 180s you installed were pulling too much juice from the resistors, which is why they popped. These ICs were used in many TVs, so it may be that the Panasonic doesn't have as much tolerance for the 180s' power requirements as, say a Hitachi.

Luckily, resistors are pretty cheap, so it's probably worth the few bucks to replace the resistors when you drop in the 110s you have in hand.

Sep 09, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Great


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.
http://servicemanuals.vstore.ca/

Jun 27, 2008 | Panasonic PT-47WX49 47" Rear Projection...

1 Answer

Samsung problems


If the fusible resistor is open, yes it could cause this problem. Check for others in the area as well. Is that resistor 3.9 Ohms?
I'm guesing yes. This is likely the current limiting resistor for the IC. There should be another for the other IC as well. Look for pico fuses in that area that may be open.

Dan

Jun 20, 2008 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Partial horizontal collapse. Nu-tec Model NTT-829A


If you have retrace lines I would recheck all caps around the vertical IC 100@16 is the most common 47@35 and 220@35

May 30, 2008 | Televison & Video

1 Answer

Excessive brightness with retrace lines


Here are the values:
RY04 >>>> 68 ohms >>>> 1 Watt
RY04A >>> 47 ohms >>>> 0.5 watt
RY02A >>> 330 Ohms >>> 0.25 Watt.

All resistors should be 5% tolerance.

Apr 17, 2008 | Apex Digital GT2715DV 27 in. TV/DVD Combo

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