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Search: Posts Made By: tom66
Forum: Troubleshooting TVs and Video Sources 01-29-2019, 12:53 PM
Replies: 60
Views: 845
Posted By tom66
Re: LG 55EC930V OLED - 3 Second Power No Display

Could you take a picture of the bottom side of the board? Curious about something.
Forum: Troubleshooting TVs and Video Sources 01-09-2019, 04:00 PM
Replies: 39
Views: 419
Posted By tom66
Re: PN43D490A1DXZA power supply broke?

VS ON not VS!!! very bad if you jump to VS will destroy your power board.

VS ON needs to go to STBY 5V and PS ON to GND needs to be jumpered as well
Both control board and main board should be...
Forum: Troubleshooting TVs and Video Sources 01-09-2019, 02:09 AM
Replies: 39
Views: 419
Posted By tom66
Re: PN43D490A1DXZA power supply broke?

Unlikely to be power board if Vs is present, even if dropping. Control board will shut down power board if there is a fault.

To test properly you would need to disconnect control board and main...
Forum: Troubleshooting TVs and Video Sources 01-06-2019, 03:57 AM
Replies: 57
Views: 1,851
Posted By tom66
Re: Samsung PN60F8500AFXZA, can't determine X or Y failure

Are you using 120V light bulbs? Two in series?
Forum: Troubleshooting TVs and Video Sources 01-02-2019, 09:50 AM
Replies: 12
Views: 233
Posted By tom66
Re: Late model "40 RCA LED LCD, upper 1/3 screen distortion, no T-Con board

100% bad panel
It's a Samsung panel and this is a common failure.
Forum: Troubleshooting TVs and Video Sources 01-02-2019, 06:41 AM
Replies: 57
Views: 1,851
Posted By tom66
Re: Samsung PN60F8500AFXZA, can't determine X or Y failure

I've encountered it on a few sets but I think it's not an issue on these newer Samsung sets. Reason being that the Y-main and X-main actually go to very low load levels under dark picture levels so...
Forum: General Computer Discussion 12-29-2018, 04:16 AM
Replies: 28
Views: 525
Posted By tom66
Re: "Solid State" media failures

Yes, that would be how it works.

You having 100 TB would certainly make that harder! I have at most 8 TB of data, about 2 TB of which is backed up (the rest is easily recoverable stuff, or junk...
Forum: General Computer Discussion 12-28-2018, 04:06 PM
Replies: 28
Views: 525
Posted By tom66
Re: "Solid State" media failures

Well, I have 80Mbit downstream, but I don't even have to use that.

The company will send you a 4TB HDD for ~$200 but if you send that back to them, the service is free of charge - you effectively...
Forum: General Computer Discussion 12-28-2018, 12:41 PM
Replies: 28
Views: 525
Posted By tom66
Re: "Solid State" media failures

So my solution was to back it all up using my 20Mbit (upstream) connection which took a while! About two months all in with it running in the background. But it did work.

I don't keep the stuff...
Forum: General Computer Discussion 12-28-2018, 12:36 PM
Replies: 28
Views: 525
Posted By tom66
Re: "Solid State" media failures

No... some areas will wear out sooner, but the failures will be random in nature. So it is reasonably likely that several sectors will fail in a small span of time if the drive is used in a typical...
Forum: General Computer Discussion 12-27-2018, 04:54 PM
Replies: 28
Views: 525
Posted By tom66
Re: "Solid State" media failures

*

Another reason not to have critical data on any single medium *at all*. Backups, folks! Backups! Three backups, two different locations and at least one different type of medium. But if...
Forum: General Computer Discussion 12-27-2018, 03:22 PM
Replies: 28
Views: 525
Posted By tom66
Re: "Solid State" media failures

In my experience, it's typically catastrophic because the failures begin at similar times across the drive.

Once a sector fails on an SSD, the drive will spend a long time attempting to recover...
Forum: General Computer Discussion 12-27-2018, 12:22 PM
Replies: 28
Views: 525
Posted By tom66
Re: "Solid State" media failures

SSDs do fail, I've had friends with Kingston drives go bad. None myself, had the odd SD card and USB drive fail though. Personally I do not trust any SSD not from a tier-one manufacturer (Samsung,...
Forum: Troubleshooting TVs and Video Sources 12-27-2018, 12:04 PM
Replies: 20
Views: 374
Posted By tom66
Forum: Troubleshooting TVs and Video Sources 12-20-2018, 12:43 PM
Replies: 12
Views: 3,809
Posted By tom66
Re: Samsung PS42A457P1D stuck in standby

Interesting that the 450V cap goes.

My iiyama LCD monitor was killed when the 450V cap failed on the primary. Popped the primary-side flyback transistor.

Replaced transistor, resistor and cap...
Forum: Troubleshooting TVs and Video Sources 12-18-2018, 09:15 AM
Replies: 20
Views: 374
Posted By tom66
Re: LG 50PN4500 - fluctuating Vcc/18V supply on Y-sustain board causing fault

I have edited the thread title, hope it's more appropriate
Sorry I don't have any thoughts right now.
Forum: Troubleshooting TVs and Video Sources 12-18-2018, 07:47 AM
Replies: 4
Views: 100
Posted By tom66
Re: Tx-p42x50b Green/Red dots sparkles static!

My thought on the brightness is many plasma panels use dithering to handle low level intensity control. The user interface brightness control can sometimes cause this to appear if the brightness...
Forum: Troubleshooting TVs and Video Sources 12-18-2018, 07:22 AM
Replies: 4
Views: 100
Posted By tom66
Re: Tx-p42x50b Green/Red dots sparkles static!

One thing to check is the brightness setting in the user menu. Try turning it down and seeing if the sparkles disappear.
Forum: Troubleshooting TVs and Video Sources 12-18-2018, 01:25 AM
Replies: 13
Views: 307
Posted By tom66
Re: LG 60PG70FD plasma power supply no VA/VS + rebooting

Have you checked all fuses and power resistors?
Forum: Troubleshooting TVs and Video Sources 12-17-2018, 01:47 AM
Replies: 13
Views: 307
Posted By tom66
Re: LG 60PG70FD plasma power supply no VA/VS + rebooting

You will need the main board connected.

Test all the voltages while the set powers on

I don't know if AC DET should be high or low.
Forum: Troubleshooting TVs and Video Sources 12-16-2018, 12:26 PM
Replies: 13
Views: 307
Posted By tom66
Re: LG 60PG70FD plasma power supply no VA/VS + rebooting

So VS ON does not go up to at least 3.3V when the set tries to turn on?

I would suggest you may have AC detect fault. I can't remember if it should be high or low, but I had a LG plasma a lonnng...
Forum: Troubleshooting TVs and Video Sources 12-16-2018, 10:05 AM
Replies: 18
Views: 329
Posted By tom66
Re: LG 60PB5600 Sound but no Picture

Did the Vsc voltage get checked?
If that is OK I would look at control board. Have you run test patterns?
Forum: Troubleshooting TVs and Video Sources 12-16-2018, 10:03 AM
Replies: 15
Views: 156
Posted By tom66
Re: SAMSUNG plasma PS42D4S, no standby, no relay click

No you need to use proper transformer tape. e.g. https://www.amazon.co.uk/Meters-Adhesive-Magneto-Transformer-Winding-White/dp/B00NX4KG7W
Forum: Troubleshooting TVs and Video Sources 12-16-2018, 08:52 AM
Replies: 15
Views: 156
Posted By tom66
Re: SAMSUNG plasma PS42D4S, no standby, no relay click

Just make sure you keep track of all the windings, counting turns... Otherwise you won't be able to rewind the transformer again. It's very likely only the primary has failed. I would be surprised...
Forum: Troubleshooting TVs and Video Sources 12-16-2018, 06:12 AM
Replies: 20
Views: 374
Posted By tom66
Re: LG 50PN4500 service manual with ZYX-SUS board Schematics needed

LG doesn't publish schematics of their Y and Z sustain boards, sorry.
Post a picture of your boards and we may be able to help.
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