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Ic 5501a replacement

I think ic5501a is not workking because Power supply is high

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6ya6ya
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Posted on Jan 02, 2017

bertus_kriel
  • 121 Answers

SOURCE: The Ic inside the power supply is not working

bye a new one it will be much cheaper and time spare

Posted on Oct 08, 2009

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Bright lines in the center of the screen the height is insufficient.replacing Vertical ic La7830,and 3 or 4 condenser no good.Need schematic diagram try to search for the jungle output.tnx more power


This is the vertical deflection IC of a CRT color TV. If you think it is fried then replace it yourself. For a datasheet of this part check the following link:

http://www.rdd-tech.com/product/la7830

If the problem is the jungle output IC cxa2159s could be a problem and not start the power supply. This can cause an error code to know for sure.

Feb 10, 2015 | Televison & Video

1 Answer

Tv won't turn on. replaced bad caps and after some testing it turned out that the power supply board wasn't giving the supposed voltages.


This problem is not easily to be solved.Tries to changes all the capacitors components even if u think is good around the bad capacitors surrounding area.After that,if u still have the same problems.This problem could be any high voltage components parts like transformers to ICS power regulator.Trying to fix this power supply board probably beyond your ability and u must also have the tv power supply board original schematic and electron scope too . .To measure those power transformers and ics power regulator output.Tries websites like Shopjimmy.com,EBay.com to buy a whole new refurbish tv power supply board for the replacement that is ur best bet.

Sep 27, 2012 | Insignia NS-LTDVD19-09 LCD TV

1 Answer

I have sony J21mn11. problem not power on only red lit led only.i check all the components on the power supply area and horiz. output D1878 all are good. there is power IC STR S6707 on power supply area. i...


If you have a digital tester or analog try to check the voltage reading from the power supply if high or low or no supply.Check first following voltage location and section. * Check the AC voltage from ac cord to fuse and before the bridge type diode. * Check the DC voltage after the bridge type diode.if normal voltage. * Then check the voltage into the filter capacitor to regulator ic.the power ic.If theres a input voltage in the power ic,check the output voltage going to harizontal output.If no output the problem is you power output.You need to replace it.

Jul 12, 2011 | Sony Televison & Video

1 Answer

When I turn the tv on it has no pic and then turns itself off but would come on after about 5 times of turning it back on but now it just had sound and no pic.


It seems that your Pulse Width Modulation drive ic on power supply or high voltage section fails. This can be resolve by replacing the IC MCZ3001d that will be found on your power supply or at the high voltage section.(near Fly back transformer) If you have basics knowledge in electronics and soldering, you can easily fix it.

Mar 02, 2011 | Sony KP-57WS520 57" Rear Projection...

1 Answer

My Sony KP 51W520 won't come on. The standby light flashes 10 times. I read through the other people's problems listed here and everyone else has had either 3 blinks or 9. Any thoughts?


Hi.
it seems that your power supply or high voltage section is failing. Look for PWM IC genarator. MCZ 3001D on Power supply and near high voltage section. Try to replace these IC's.

Jan 05, 2011 | Sony KP-51WS520 51" Rear Projection...

1 Answer

I have Jamo E8sub need to be fixed. The power LED is not on, it was RED at one time (Did not turned Green), but not anymore. I checked the DC voltage on main IC (LM3886) no power on Pin # 1 and 5. Both...


hi,
the ic lm3886 should have voltage at its pin 1 and 5 , because it is the vdd supply pin of that ic. trace out, to where the track goes from pin 1and 5. it should go to the power supply or to any switching circuit. may be problem with its power supply side . any one of the voltage is missing. check the voltage regulators if there. check the power supply side i think complaint lies there. no need to replace the main board . from ur narration i think u have knowledge in electronics. make one more try to solve the problem.
ok

Dec 30, 2010 | Jamo E8 SUB Subwoofer

2 Answers

Working on a hitachi model 51swx20b. set powers on ,then high voltage shuts off. still have sound


Hi


Thanks for using FixYa. From what you have described it seems that you have to replace the convergence IC and also check the power resistor, if values are not exact you have to replace them. These ICs are located behind the black heat sink; you can see once you open the back off the TV. Also, the convergence board should be checked for cracked solder joints and please make sure to check the resistors as if they are shot the ICs might blow again. Below picture is a example of how the convergence ICs look like:


84bcb76.jpg


All this is only recommended if you have electrical expertise and know how to solder/re-solder components, if not then you should get this done by a professional. The typical cost to get this fixed by a pro is around $300-$350. Please do accept the solution if the issue is resolved or else revert for further assistance.


Thanks
Rylee

Apr 16, 2010 | Televison & Video

1 Answer

HI I have a FSP200-61GT SPI switching power supply with a burned out Mosfet on the high voltage side. There is a (I think)a .5 or 1 watt resistor on both sides of the mosfet. But they test good, my problem...


Please give motr of the devices fixed on same heat sink. Search for SMPS IC like FPS or similar, search their application notes and the datasheet of the nMOS. then you can get idea. without those data Solution is impossible.

Jan 27, 2010 | HP and Compaq Pavilion Replacement 200w...

1 Answer

IC replacement Question


Check this site for more info on a rebuilt board becuase I do no think Panasonic will have new boards.

Apr 07, 2008 | Panasonic PT-47WX53 47" Rear Projection...

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