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Search: Posts Made By: mmartell
Forum: Troubleshooting TVs and Video Sources 03-23-2022, 06:23 PM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

This makes the most sense. The owner stated they bought a mainboard and it didn't work so they bought another and after getting the same results they gave up.

I would think they replaced the...
Forum: Troubleshooting TVs and Video Sources 03-23-2022, 04:56 PM
Replies: 11
Views: 376
Posted By mmartell
Re: Hisense 55H6B Blue tint

If you have a yellow diffuser panel then the leds are supposed to be blue. That's for the quantum sets I think they're called. Doesn't look like yours is one of them though.
Forum: Troubleshooting Audio Equipment 03-18-2022, 02:29 PM
Replies: 30
Views: 3,043
Posted By mmartell
Re: Polk Audio PSW350 No Balls

I still have this haha just pulled it out again from its hiding place under my bench.

Found a schematic will attach.

How to go about using the schematic to pinpoint fault ?
Forum: Troubleshooting Audio Equipment 02-28-2022, 09:43 AM
Replies: 12
Views: 515
Posted By mmartell
Re: Yamaha RX-V3900

You can't disconnect ALL connectors. Try them one at a time or find the service manual for less guess work.
Forum: Troubleshooting Audio Equipment 02-22-2022, 03:38 PM
Replies: 6
Views: 790
Posted By mmartell
Re: DSP firmware error on a Pioneer LX86

Replace the associated eeprom. It will likely need programming before installing so you'll have to search the net for the .bin file.
Forum: Troubleshooting Audio Equipment 02-22-2022, 03:34 PM
Replies: 5
Views: 1,431
Posted By mmartell
Re: Yamaha RX-V673 - No audio at startup

That DTS ic needs to be replaced with a newer version.

There are many threads here about it. Use the search function.
Forum: Troubleshooting Audio Equipment 02-22-2022, 03:30 PM
Replies: 12
Views: 515
Posted By mmartell
Re: Yamaha RX-V3900

If it's going into protect due to over voltage or over current then you have to remove that condition first. The way to do that is to unplug one of the cables going from the hdmi board to the main...
Forum: Troubleshooting TVs and Video Sources 02-10-2022, 06:17 PM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

Yes when I get some time I'm going to check out the lvds cable a little closer. Would be odd for many of these sets to have an lvds cable fault but less odd I think to have tcons that are junk and...
Forum: Troubleshooting TVs and Video Sources 02-09-2022, 07:52 PM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

Oh I know these are cheaply made but thank you for verifying yours is also set to Samsung. Since I had two of these main boards both doing the same thing I think it more likely to be tcon or lvds...
Forum: Troubleshooting TVs and Video Sources 02-08-2022, 11:46 AM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

I should have included a pic of the panel sticker. Here it is.
Forum: Troubleshooting TVs and Video Sources 02-08-2022, 11:43 AM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

I pulled the 24C64's from both boards and they both read as 0xFF's in fact the boards will work fine without them apparently. So I have no way to reset the settings of the non-working board the info...
Forum: Troubleshooting TVs and Video Sources 02-07-2022, 11:13 AM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

For anyone else looking the Service Menu can be pulled up by going to the antenna/cable input and then pressing Source-3-1-9-5

The panel setting did not match mine and the default mode was set to...
Forum: Troubleshooting TVs and Video Sources 02-05-2022, 03:52 PM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

I would have to agree to that. What I've stated was what I was told, obviously not the whole truth maybe not even partial truth lol.
Forum: Troubleshooting TVs and Video Sources 02-05-2022, 12:34 PM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

I did not. Though it's not impossible it would be rare for both sides to fail at the same time.

I've never done the tape off method will have to read up on it.
Forum: Troubleshooting TVs and Video Sources 02-05-2022, 10:56 AM
Replies: 17
Views: 589
Posted By mmartell
Re: RCA Virtuoso RHOS581SM-D Picture Fault

Sorry for the reflections but the fault is surely visible....
Forum: Troubleshooting TVs and Video Sources 02-05-2022, 10:53 AM
Replies: 17
Views: 589
Posted By mmartell
RCA Virtuoso RHOS581SM-D Picture Fault

Picture looks stretched out and it looks like every other vertical line is not being drawn though hard to see that in the pics.

I've disconnected each half of the panel and the fault remains exact...
Forum: Troubleshooting Audio Equipment 12-09-2021, 02:11 PM
Replies: 12
Views: 915
Posted By mmartell
Re: Yamaha RX A3020

Having a similar issue with a Marantz. Any BGA devices in the audio chain on that board by any chance ?
Forum: Troubleshooting Audio Equipment 11-23-2021, 09:20 PM
Replies: 0
Views: 312
Posted By mmartell
Marantz SR7011 No Audio DSP Issue

HDMI video works perfectly as does the GUI. No sound from tuner, internet tuner or HDMI have not yet tried analog inputs. No audio from Direct or Pure Direct mode either.

If I go to...
Forum: Troubleshooting TVs and Video Sources 09-21-2021, 10:16 AM
Replies: 2
Views: 285
Posted By mmartell
Re: Toshiba 50L2200u - Flex cable between glass and circuit board

I'm afraid that's a deal-breaker. Not aware of anyone that is able to reattach that cable, at least not without special equipment as you rightly point out.

You could TRY to use heat from a...
Forum: Troubleshooting Audio Equipment 09-09-2021, 08:07 PM
Replies: 9
Views: 2,287
Posted By mmartell
Re: Onkyo TX-SR606

Bad news. Unfortunately this ic appears to be blank. It gets recognized properly but reads all FF's. I tried a different flash ic and it reads fine. Sorry for the let-down.
Forum: Troubleshooting TVs and Video Sources 09-09-2021, 07:34 PM
Replies: 28
Views: 2,597
Posted By mmartell
Re: LG 55EC930V - Sound but no image - Please help

This is an OLED - does not apply.
Forum: Troubleshooting TVs and Video Sources 09-03-2021, 08:18 AM
Replies: 23
Views: 1,583
Posted By mmartell
Re: samsung UE49MU6120KXXU image problem

Easier to try and cover some of the pins on the flex cable with a small piece of tape than to cut a tiny trace. Plus it's reversible by removing the tape.

As per earlier instruction you need to at...
Forum: Troubleshooting Audio Equipment 09-02-2021, 10:52 AM
Replies: 9
Views: 2,287
Posted By mmartell
Re: Onkyo TX-SR606

Hi sorry for the delay. Are you still looking for this bin ?
Forum: Troubleshooting TVs and Video Sources 08-30-2021, 09:00 AM
Replies: 47
Views: 3,214
Posted By mmartell
Re: Lg 60pa6500 black spots on tv

If you see any shorts where the hdmi port came off run your iron over them to remove them. The board will still work fine without the port there provided the cpu isn't seeing a short.
Forum: Troubleshooting TVs and Video Sources 08-06-2021, 03:49 PM
Replies: 5
Views: 610
Posted By mmartell
Re: KDL-65W855C 6 times red led blinking

Ok that's some redneck shit right there.

This job can absolutely be done by one person with the proper tools, mostly a decent pair of suction cups. If you don't have access to them where you live...
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