I have a Vizio 47 lcd tv with a bad main board, removed the board, closer inspection revealed a 72 pin processor port that has hole in it. Thats fine, I will replace it or so I thought. Part # Sil9287 ACNU. Contacted Silicon Image, they will not sell me one because I do not have a "HDCP" License. Something about software copyright on the part. Anyone know of a replacement or is there even one?
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Re: Vizio 47 LCD Main board, processor port??
Can we see a picture?
You can blame HDCP (Digital Content Protection, LLC) for restricting the license.
The data from your blu-ray player/other device to TV is encrypted to prevent copying. That chip immediately decrypts it and sends it across easily accessible cabling which would allow for easy copying.
Yeah, I don't understand why they do it either.
But you will pretty much be unable to buy that part because it can be used to decrypt HDMI.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search. -
Re: Vizio e470VA LCD Main board, processor port??
So found a e470VA main board fairly affordable on ebay, installed tv worked, but had a intermitent glitch. Would cut the picture out every second on the second. Figured needed firmware upgrade, which it did according to vizio. They sent me a usb with new firmware. Installed now it worse than ever, goes from VIZIO start up symbol into standy. HAHA , is there anyway to erase this firmware and go back to original?Comment
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Re: Vizio 47 LCD Main board, processor port??
Could I take processor port from working other board, and put on the board with broken processor port. Or does this "HDCP" chip hold the firmware and just do the same on the other board?Comment
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Re: Vizio 47 LCD Main board, processor port??
I have no idea what a processor port is. If you mean the HDMI decoder, it's feasible but it's a very tricky job.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Re: Vizio 47 LCD Main board, processor port??
Okay. HDMI decoder. Is this what retains the firmware?Comment
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Re: Vizio 47 LCD Main board, processor port??
Yes.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
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Hi and thanks in advance for any input you might provide!
I have a Sceptre U550CV-UMRD8POTV83BB 4K LED (this is a dumb tv) that I bought new in August 2021, so It's just completed 3 years.
Main power board model: TP.MS3683.PC821 T-Con board: N4TP546UHDPU2L_BO
Last Sunday I was watching a dvd and fell asleep for about half hour, when I awoke the tv screen was black and couldn't get the dvd menu to show, so I changed the input to antenna and had sound but no picture, turned it off. I then got online and found this great site! ....read many troubleshooting tips and this... -
Hey guys great forum glad to have found it. I bought a Sony XBR 65X900C cheaply because it didn't work. No signs of life at all not even a light/led. All I hear is a brief high voltage sound when I throw the power to it.
Didn't see any obvious signs of damage so right away started checking voltages. This is what I see:
Power Board Connector that goes to Main board
CN6401
Pin 01 NC
Pin 02 NC
Pin 03 "BL_ON": 0V
Pin 04 "N/C"
Pin 05 "STBY 3.3V": 3.5V
Pin 06 "GND": N/C
Pin 07 "AC_OFF"... -
ONN 100012588
Issue: No Power, Then Rebooting After Main Board Change
Short answer: replace main board and power board
Technical answer: replace main board and Q306 & Q307 on power board.
Long answer:
TV wouldn't turn on. Power switch was fine which means the main board isn't processing the power on signal. Replaced main board. TV turns on now but randomly reboots. Bad main board? EEPROM? Tried to pull main board and got a shock touching the corner of the board. That's weird. C334 (450V 10uf) capacitor is still holding a high charge.... -
Hi, this is my personal laptop, which the original board (lets call it Board A) blew up PU8700 (TPS51486), making a hole on the board, i had left the laptop at my desk one day with the battery fully charged and didn't touch it for a week, but when i tried to turn it on it didn't
Thought the battery was dead, so i plugged in the charger then tried to power on, the power LED blinked once, charged LED still orange, unplugged the charger, plugged in again and I noticed the "magic smoke" smell, so i unplugged the charger, removed the back cover and saw the blown IC (the "magic... -
I suppose the real question is whether the existing pinouts from ether a 17IPS71 psu are cross compatible with a 17IPS12 psu? If they are then the exchange of the main boards should have no issues providing the screen is compatible with both main boards. Obviously you can change the screen configurations easily enough (providing you have the correct files) for the main board. Why may you ask would I do this? Well a lot of the smart features are no longer working on a Hitachi 48HBT62U main board I wish to give it a new lease of life!
Obviously the same LVDS connector for the screen connection...
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