Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

So what should I look for as far as shorts go?

Anyone have any incite on what the kit from SJ included since they no longer have them in stock!

Thanks!

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

Anyone state side know of a good place to send this SC board off for repair? I think this one is over my technical skills and I actually want to use this panel and not flip.

And I cannot seem to find a repair kit anywhere for this guy!

[tw2005]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

I would expect any 50" TNPA4782 kit should do the job provided the fault codes match?

They're not that cheap so investing the extra to have someone do it is safer.

HOMBRE finally managed to component repair his 46", search TNPA4782 in forum.

Maybe he can give you some insight.

There are a couple of Ebay repairers as well (Koshevo) and you have Modus.

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

I would expect any 50" TNPA4782 kit should do the job provided the fault codes match?

They're not that cheap so investing the extra to have someone do it is safer.

HOMBRE finally managed to component repair his 46", search TNPA4782 in forum.

Maybe he can give you some insight.

There are a couple of Ebay repairers as well (Koshevo) and you have Modus.

Thanks TW2005, I am going to put the old MB back in and see if the results are the same and send back the new one I got from ModusLink and get this sucker back up and running.

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

So I got the new SC board in today and installed it. TV works great.

Now my question is, the Voltages of P2 and P11 are reading P2 180'ish and P11 180's as well.

So if I go to test points on the SS and SC boards this is what I get.

Panel sticker for Ve and Vsus

Ve 135 VSUS 199

Panel running almost solid white, not in Vivid mode

SS board from the test points, TPVSUS 190'ish TPVe 136'ish
SC board from the test points, TPVSUS 192'ish TPVAD -185.9

At the PS P2 and P11 Plugs

P2 175v P11 182v

[Shinju]

Re: Panasonic TC-P50G15 FIXED, Need help with voltage adjustments!

From the Tech manual.

I am a little confused So the VSUS on the SS board needs to be 199 +2v?

[tw2005]

Re: Panasonic TC-P50G15 FIXED, Need help with voltage adjustments!

From the Tech manual.

I am a little confused So the VSUS on the SS board needs to be 199 +2v?

Well, vsus is generated by the PSU so the same voltage would be at either point. maybe the test point is a little dirty. I'd use the test point suggested and adjust accordingly. If picture looks good I would not be concerned.

So they're saying 197-201V is in spec

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

So with full white, vivid, 100 contrast and brightness.

SC TPVSUS 201 TPVAD 188
SS TPVSUS 198 TPVe 135

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

Thanks tw2005, was hoping you or tom66 would chime in!

I think I am ok on voltages. This is with the old original mainboard. So I now have an extra

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

SC TPVSUS is fluctuating at 201-209 SS IS 198-201

[tw2005]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

SC TPVSUS is fluctuating at 201-209 SS IS 198-201

Is it the same deal at the PSU connections? Originally you had SS was higher than SC , now you have the reverse. I would adjust the Vsus to spec on the one that is showing the highest reading.

Seems inconsistent, Tom may have some good input. I 'd err on slightly lower than going beyond the high end of the spec i.e. 201V

unless it's been fidddled with, I've never had an issue with the panasonics, always been very close to the sticker and never had to adjust except once when I was experimenting .

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

I don't think anyone other then me has been inside this unit.

It seems to go back down, should I adjust pot VR251 VSUS on the PS?

The Picture looks fine, no strange maldischarge but I am also not a plasma pro.

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

All these readings are from the test points in the ss and sc boards pointed out by the tech manual.

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

There are two TPVSUS test points, one on the SC and one on the SS board.

[tw2005]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

There are two TPVSUS test points, one on the SC and one on the SS board.

Sure, but it's the one output from the PSU at 2 different points. It can't generate more voltage after it leaves the P2 and P11. I have to duck out but i may for curiosity do some probing on my V20 and see what differences i get at various checkpoints.

I've read Tom suggest too high can damage/shorten the panel life. I'd find the highest value on the Tv and adjust that down to recommended(that's me) I may be wrong but that would be a safe option.

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

At normal operation the voltages seem closer to spec. I can do more testing later on

Thanks for your help!

[tw2005]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

My tv Vsus is the same at all points whether at the SC,SS or directly off the p2 and p11

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

So is VSUS on both SS and SC?

Is my power supply going bad you think?

When looking at the pots some have blue paint on them from the facotry none of those have been touched.

I got this panel from an elderly couple I don't think they tinkered with it.

I know the SC board is solid it was repaired and tested by ModusLink. So either the SS board is going or the PS is dying.

[Shinju]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

If I get right up super close to the screen, I do see some faint red/blue/green sparkles on yellows but at normal viewing distance I don't see anything. Picture looks fantastic.

[tw2005]

Re: Panasonic TC-P50G15 3 Red Blinks (need the quick and dirty) details inside!

So is VSUS on both SS and SC?

Is my power supply going bad you think?

When looking at the pots some have blue paint on them from the facotry none of those have been touched.

I got this panel from an elderly couple I don't think they tinkered with it.

I know the SC board is solid it was repaired and tested by ModusLink. So either the SS board is going or the PS is dying.

I don't agree, the logic does not follow. TPVSUS on my boards is either at the connector or on the same track the connector is soldered to.

i expect yours will be similiar.

there is only one source of Vsus generated at the PSU.

So, either the probes or test points have some resistance or there may be a sus solder joint at the terminals at either p2, p11, sc2 or ss11 or maybe the connectors in the cable.

If either sc or ss was bad and was dragging the vsus down then it would also be down at any check point.

if you're worried , try cleaning everything up including the probes, check the solder joints and even you really wanted to you could compare resistance between the vsus out at p11 and the SS test point and same for SC, then output of p2 - p11 and then sc2 to ss11. theorectically there should be zero difference or the lead resistance. (with it off of course)

Can't say i've ever gone to this extreme, check it out , it's free except for some time.

How's the meter? is it usually good and stable?