Going to look at this one tonight. Thought I'd run it past you all first.
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Re: Polaroid 3200. Tcon, main, or panel?
Main -- T-con setting wrong.
Or if main has been swapped in a repair, wrong main (may or may not be possible to change it.)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: Polaroid 3200. Tcon, main, or panel?
I am working on the Insignia with about the same looking pictures.
https://www.badcaps.net/forum/showth...+NS-LTDVD32-09
I will see if I can get into the factory setup screen and see what happen, the TV is at the recycle right now so I cannot do anything until Saturday.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: Polaroid 3200. Tcon, main, or panel?
I just picked it up and got it opened. According to ShopJimmy, the control box is for a different panel.Comment
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Re: Polaroid 3200. Tcon, main, or panel?
Looks like I spoke too soon. ShopJimmy show the two control boxes to be substitutes for each other.
So, what now?Comment
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Re: Polaroid 3200. Tcon, main, or panel?
With a signal connected, the menu looks like this.Attached FilesComment
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Re: Polaroid 3200. Tcon, main, or panel?
With no signal, thisAttached FilesComment
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Re: Polaroid 3200. Tcon, main, or panel?
Do you think a new Tcon would clear this up?Comment
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Re: Polaroid 3200. Tcon, main, or panel?
No, I don't. I think the main is the problem, perhaps the EEPROM is corrupt.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: Polaroid 3200. Tcon, main, or panel?
Thanks Tom. I'll see what I can find.Comment
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Re: Polaroid 3200. Tcon, main, or panel?
I put a used control box from ShopJimmy in it and have been using this TV for a couple nights now. There is still an issue with it. Occasionally, when turned on, there are odd vertical bars on the screen. They show the image, but are a slightly lighter shade than the rest of the image. One time there were three bars, the other few times, there was one bar. It does not affect the bootup "Element" screen (yes it's a Polaroid TV with an Element control box that ShopJimmy sent me) or the blue "No Signal" screen. When the problem is occuring, from the blue screen, if I press menu or input, the menu will appear and the lighter bar will only be present on top of the menu. The bar doesn't go to the top or bottom of the screen, it ends at the edge of the menu. If a full picture is on the screen, the bar goes to the top and bottom. If I turn the TV off and then back on a time or two, the bars are gone and don't come back again as long as the set is on and warm. I'm thinking cold solder joint somewhere because it only seems to happen when the set is cold. This is the second control box I've gotten for this set from ShopJimmy.com. The first one they exchanged because when powered on, no inputs could be selected. Do you think this is another main board issue? I've had the tv open and reseated the LVDS cable at the T-Con but it's happened again since then. I can't reseat the LVDS at the main becuase this control box is sealed from ShopJimmy and it voids the warranty if the seal is broken.Last edited by johnboy1313; 04-26-2013, 06:57 AM.Comment
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Re: Polaroid 3200. Tcon, main, or panel?
Probably is a main board issue if it did not happen with the miscoloured control box. You should still see those lines same colour if t-con or main board fault with old box.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: Polaroid 3200. Tcon, main, or panel?
ShopJimmy is only offering a refund now. I asked the customer service rep why they wouldn't want to see this to the end and if I was supposed to just abandon this project and he told me to call back on Tuesday and speak to one of their techs. Counting this control box, I've received four items from Shopjimmy.com. Three of those four items have been faulty.
On top of all of that, on the return slip that they emailed me, it says "Good/Unused" under condition. It appears that they are blowing me off and planning on putting this box back into their inventory.Comment
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Re: Polaroid 3200. Tcon, main, or panel?
Order from another supplier?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: Polaroid 3200. Tcon, main, or panel?
If I can find one for a price that I like. At least SJ pays for return shipping when an item is faulty. With as many of these as I've seen with bad main boards, what's to say I won't get another dud from another supplier and then have to ship it back on my dime.Comment
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Re: Polaroid 3200. Tcon, main, or panel?
Just read a post where I was busting someone's balls for not following up on a thread and it looks like I'm just as guilty. At any rate, I did finally find a main board that fixed this TV.Comment
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Re: Polaroid 3200. Tcon, main, or panel?
I've always had good luck with shopjimmy. I did get a dad board once but it had been damaged in shipping. The box was almost bent in half!! Not their fault but they replaced it anyway.Comment
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This thread is about trying to get an Universal Main Board to work with a Sharp TCON and panel.
I have a Sharp LC-46D85UN TV that has had a main board issue. Since this model is from 2009, I am not able to find an exact replacement of the main board. Instead, I decided to see if I can future proof this tv by getting a Universal Main Board (T53U21.2) from China to work with the Sharp TCON (CPWBX4291TPZA) and panel. The universal main board supports a 8 bit dual channel LVDS interface whereas the TCON requires a 10 bit dual channel LVDS input. I have modded the LVDS connector to match... -
Just bought this for 10 bucks yesterday hoping to fix it. The guy said water dropped inside from a dehumidifier hose and it started showing black and white vertical bars then went blank. When I got it home and turned it on it came on fine and displayed correctly but I was noticing faint vertical bars in the image. After a little bit I turned it off and back on and it was a black screen again. I opened it up to check for water damage and corrosion but didn't find anything of the sort. I cleaned the ribbons anyway and reconnected them but still got a blank screen. If I disconnect the right side... -
My goal here is to be able to use boards on hand to swap into faulty sets when the faulty board is not obvious.
I will start by asking what is the format of the output from the mainboard and is it generic in any way or does it vary by manufacturer and/or model ?
And as far as I know a tcon and panel must be a matching pair because the timing of the signals and the voltages required to drive the panel are specific to the panel itself. (That may be a blanket statement that isn't true in some cases where the panel creates its own sub-voltages on its panel boards?)...01-06-2024, 01:32 PM -
TV came on with BL on but blank screen. Disconnected one of the ribbon cables from tcon to panel driver board and now I have half of the screen working normally. Any way to tell if the problem is with the tcon or the panel driver board or the panel itself? Should I just replace the tcon and see what happens? -
Hi everyone!
I have a Sony KD-65A1 TV with a fault – 4 red LED blinks. After disassembly and visual inspection, I found that the G76 power board and DKA board had been replaced. It is also possible that TCON was replaced, but I am not sure – there are a few marker marks that could be factory-made.
Based on assumptions, the previous service attempted to solve the issue by replacing potentially faulty components. I decided to investigate further, found a service manual, and figured out a way to power up the power supply unit autonomously and put the OLED panel and...
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