Have a 60" lg plasma model lg60pb6600v switch it on clicks then second or 2 later clicked off. Inside the tv power goes from psu to Zsus then out to ysus board if I disconnect power cable going to ysus the tv stays on and powers on off with remote but not pic on screen does this mean ysus is knackered? How can I test further I have multimeter
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Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
Ysus is shot.
Pics of your boards and overall layout -
Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
PicAttached FilesComment
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Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
Small cap looks busted on lower buffer board could that cause tv to shutdownAttached FilesComment
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Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
YsusAttached FilesComment
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Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
Yeah that is definitely busted.
Plasma aren't my strong point and only know basic diagnostics and troubleshooting.
One of the other guys will help you furtherComment
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Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
busted and burnt so across that maybe short. I'd remove that and check the buffers for shorted buffer ics, ysus may also be damaged .
not a LG specialist so a little unsure what you can get away with whether these can run with that buffer fully removed and get just picture on the top half.
Would have to try and find a training guide or someone here has more on the LG stuff.Comment
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Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
Do you have audio ? The fact that you have a burned cap on a buffer and with the Y-sustain disconnected the set stays up is a pretty good indication that the problem is there. Might just be a buffer but it is always best to replace those 3 together. Both buffers and Y-sustainComment
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Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
I have audio when ysus disconnected it's only time it will stay on I've tried disconnection 1 buffer board but it shuts down also I'll get the buffers off and test the ic chips for shorts is there a way of repairing the ysus surly the full board isn't knackeredComment
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Re: Who's good with plasmas. Description below Lg60pb6600v plasma tv
Check everything on those black heatsinks for shorts.
If you find any check everything around the shorted area.
You may find only a couple of IGBTs are shorted and replacing them might get the ysus up and running.Comment
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Hello,
I am having Samsung PS51E550 Plasma TV. While the TV was working, a crackling sound heard & video went off with audio still ON. After switching it off & ON, the red LED on TV blinks six times & then off.
Opened TV cover & observed foll
a) Green LED on the small PCB blinks at @5-6sec ON & off for 3-4 secs. Red LED on logic board ON
b)Vs & Va on power supply board raises momentarily to 209v & 58v resp & then drops.
c) Cold test on Y-main board shows all 3 pins of FGPF4536 IGBT short to Grnd.
How to confirm Y -Buffer board... -
Hi,
anyone able to provide the service manual for old plasma Panasonic TX-P42ST50E?
It turns off almost immediately (0~5 seconds after pressing the on/off button) and starts flashing the red diode 6 times.
I disconnected the left-hand side board (SC?, both the ribbon cable and the power cable to it) and also another ribbon going to bottom left board. Then the led signal is 8 flashes. According to service guide to another Panasonic plasma it would mean the left-hand side board is faulty. But I'm not sure it 100% applies to my model.
I checked that board for any obvious faults... -
Picked up a bahemoth plasma TV not too long ago and just now getting around to looking at it.
No picture but you hear the TV static (white noise) playing loud and clear.
The back was already taken off (and no screws were provided) as the previous owner had already taken a look.
But it seems they didn't get too far and just left it.
When I first took a look I was amazed at how pristine the inside looked.
Its as if the TV had been in a time capsule.
Caps looked like they were just pulled off the self.
Copper coils had no sign of corrosion on... -
Hello,
I'm asking this for a friend, he has a backup battery, a quite large unit, that does not
work as intended. Even the service techican was not able to solve all problems so far.
My friend tried to log the SPI bus, but there is a lot of communication going on.
Without any meaningful description on the Ic's internal registers he's quite lost.
The datasheet that's avalible for download form Analog Devices is only 2 pages and contains
nothing more than a block diagram and a coarse description of the operation.
...11-20-2023, 09:48 AM -
Hello . I have a problem with a samsung plasma tv stuck in bootloop . The TV is Samsung PS51D6900DS plasma smart tv .Need help if anyone have any suggestions
Thanks a lot !!
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