Pioneer Kuro 9G Euro PDP-LX5090 with 8 blue blinks - Repair - AVS | Home Theater Discussions And Reviews
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post #1 of 9 Old 06-05-2014, 01:08 AM - Thread Starter
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I paid far too much for a faulty TV, but I really, really wanted my Kuro. This TV will intermittently power on, when it fails to power on it will flash the blue power light 8 times. When it powers on it works perfectly.

The fix is to replace a 1.8V regulator on the SCART A/V board, or to replace the entire A/V board assembly. Testing the regulator, when faulty, it outputs 0.01V, when working 1.79V (it's a 1.8V regulator). In the faulty state, a small amount of freeze spray will bring it back to life.

The regulator is hard to source in the UK, but it appears BA18BC0WFP will fit fine as a substitute part (the original is NJM2846.) The part does require moderate soldering skills (and of course a soldering iron) to replace.

Cost of the part is approx £1.50

Hope this helps someone else.
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post #2 of 9 Old 06-15-2014, 05:59 PM
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Quote:
Originally Posted by tom669 View Post
I paid far too much for a faulty TV, but I really, really wanted my Kuro. This TV will intermittently power on, when it fails to power on it will flash the blue power light 8 times. When it powers on it works perfectly.

The fix is to replace a 1.8V regulator on the SCART A/V board, or to replace the entire A/V board assembly. Testing the regulator, when faulty, it outputs 0.01V, when working 1.79V (it's a 1.8V regulator). In the faulty state, a small amount of freeze spray will bring it back to life.

The regulator is hard to source in the UK, but it appears BA18BC0WFP will fit fine as a substitute part (the original is NJM2846.) The part does require moderate soldering skills (and of course a soldering iron) to replace.

Cost of the part is approx £1.50

Hope this helps someone else.
This repair worked for me as well. I have the Australian C509A model.

The IC regulator can be purchased here.

An excellent video walk-through the repair is shown below;


Patience should be taken with the removal of the faulty IC. It really does take up to a minute to heat up and melt the solder.
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post #3 of 9 Old 06-16-2014, 05:01 AM - Thread Starter
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Another Kuro rescued from the trash disposal. Great to hear. Mine is still working fine after this repair.
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post #4 of 9 Old 09-05-2014, 01:37 PM
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Quote:
Originally Posted by tom669 View Post
I paid far too much for a faulty TV, but I really, really wanted my Kuro. This TV will intermittently power on, when it fails to power on it will flash the blue power light 8 times. When it powers on it works perfectly.<br><br>
The fix is to replace a 1.8V regulator on the SCART A/V board, or to replace the entire A/V board assembly. Testing the regulator, when faulty, it outputs 0.01V, when working 1.79V (it's a 1.8V regulator). In the faulty state, a small amount of freeze spray will bring it back to life.<br><br>
The regulator is hard to source in the UK, but it appears BA18BC0WFP will fit fine as a substitute part (the original is NJM2846.) The part does require moderate soldering skills (and of course a soldering iron) to replace.<br><br>
Cost of the part is approx £1.50<br><br>
Hope this helps someone else.
My pioneer 5090h had the same problem with yours....so i replace a 1.8V regulator and NOW is working !!!!!!!!

This repair worked for me as well.

THANK YOU SO MUCH !!!!!!
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post #5 of 9 Old 09-05-2014, 02:51 PM - Thread Starter
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Originally Posted by pedrojam View Post
My pioneer 5090h had the same problem with yours....so i replace a 1.8V regulator and NOW is working !!!!!!!!

This repair worked for me as well.

THANK YOU SO MUCH !!!!!!
That is great to hear! My PDP-LX5090 is still going strong, and looks better than ever with the tweaks to the black level. I've never seen a panel that looked so good before.
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post #6 of 9 Old 03-07-2015, 03:30 PM - Thread Starter
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Yet another PDP-LX5090 fixed. 22,000hours and hardly any red tint and NO burn in. Same fault.

Friend drove 600 miles to pick it up, but was worth it
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post #7 of 9 Old 04-09-2015, 01:38 PM
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Hi,


thank you for good info about repair ... my PDP 5090H now works OK ..


but I use different solution , I use osciloscope and find problem on PIN 4 - NJM2846 I add new capacitor 22uF for stabilization.
when is this capacitor bad , that NJM2846 not works , when you replace I think that you have any time then your tv works but after some time you have some problém i think ..
we must add capacitor.... it is my solution

and result is : all works well ..


Best regards and sorry for my english
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post #8 of 9 Old 04-12-2015, 11:35 AM
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I have a Pioneer Elite Pro 507PU, and after many years of not having any trouble with it, it would not come on today and it started with a blinking blue lights that flashes 13 times.
I have seen on many forums that peoples TV's have blinked 12 times, but mine is blinking 13 times. I also have not had any luck with any information about how to trouble shoot the 507PU. If anyone out there can tell me how to fix my TV or at least tell me what the 13 blinking lights mean, I would appreciate it.
Thanks
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post #9 of 9 Old 04-16-2015, 04:45 PM
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I still have my UK Pioneer Kuro PDP LX5090 it doesn't seem to be a day older than the day I bought it. Only a reference 4K Ultra HD or better display using a technology that is superior to plasma will make me buy a new TV.


I have heard good things about OLED but LCD even when they are using LED's don't get the same respect as plasma. Judging by the comments I have heard it looks like this Kuro will be replaced with an OLED but not for a very long time.


Great to see that others still have them.
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