hi guys i had a problem with a Samsung LE37M87BD where it was coming on etc but colours where all inverted and stuff so i have had this issue with samsung before with the AS-15 chips on the Tcon so decided to order a new Tcon board, i replaced last night and it is still doing the same thing. could this be a faulty Tcon again as seller advertised on listing that it was confirmed working ?
possible timing control fault with Samsung LE37M87BD
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Re: possible timing control fault with Samsung LE37M87BD
also when tv screen is supposed to be black or blue (cant remember) ie if you unplug source while on that channel the screen goes yellow. -
Re: possible timing control fault with Samsung LE37M87BD
Have you tested the Tcon Board test points ?Comment
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Re: possible timing control fault with Samsung LE37M87BD
It is not pnp.Please upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: possible timing control fault with Samsung LE37M87BD
ahh ok selldoor thanks for the info i didnt realise that. do that all the time aswell.... and i will test Tcon board points and post results later, thanksComment
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Re: possible timing control fault with Samsung LE37M87BD
HPD
The HPD (Hot-Plug-Detect) feature is a communication mechanism between a source and a sink device that makes the source device aware that it has been connected/disconnected to/from the sink device. When an HDMI cable is inserted between the two devices, the resulting hot-plug detection instantiates a start-up communication sequence. The EDID information stored in the sink device gets read by the source device though the DDC bus, and the source device typically presents itself on the CEC link and requests basic status information from the sink device such as its power status as well as other devices on the HDMI chain.Things I've fixed: anything from semis to crappy Chinese $2 radios, and now an IoT Dildo....
"Dude, this is Wyoming, i hopped on and sent 'er. No fucking around." -- Me
Excuse me while i do something dangerous
You must have a sad, sad boring life if you hate on people harmlessly enjoying life with an animal costume.
Sometimes you need to break shit to fix it.... Thats why my lawnmower doesn't have a deadman switch or engine brake anymore
Follow the white rabbit.Comment
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Re: possible timing control fault with Samsung LE37M87BD
HDMI is plug and play. One of my jobs at work is to hot-plug set top boxes on as many TVs as possible.
@Mikey, I doubt the seller ever tested their boards. This fault is so common that someone may well have smashed their TV over it, hence the faulty board.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: possible timing control fault with Samsung LE37M87BD
http://www.google.co.uk/url?url=http...oK3RcC828kbwXAPlease upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: possible timing control fault with Samsung LE37M87BD
Yes all our boxes work plug and play. I tested nearly 25 the other day, Samsung 4K 55" LCD to 16" 720p off-brand Technika one. They all worked. They also survive very high ESD events.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: possible timing control fault with Samsung LE37M87BD
Ok - maybe the hdmi spec has been improved on both TVs and sources
and on cables. Me - luddite - dont trust them
@Goontron - you are assuming manufacturers adhere to the specifications and controls.
There is one manufacturer in the UK/Europe who seem to send stuff out to the unsuspecting public
for testingLast edited by selldoor; 11-15-2014, 10:06 AM.Please upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740Comment
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Re: possible timing control fault with Samsung LE37M87BD
Ok - maybe the hdmi spec has been improved on both TVs and sources
and on cables. Me - luddite - dont trust them
@Goontron - you are assuming manufacturers adhere to the specifications and controls.
There is one manufacturer in the UK/Europe who seem to send stuff out to the unsuspecting public
for testingThings I've fixed: anything from semis to crappy Chinese $2 radios, and now an IoT Dildo....
"Dude, this is Wyoming, i hopped on and sent 'er. No fucking around." -- Me
Excuse me while i do something dangerous
You must have a sad, sad boring life if you hate on people harmlessly enjoying life with an animal costume.
Sometimes you need to break shit to fix it.... Thats why my lawnmower doesn't have a deadman switch or engine brake anymore
Follow the white rabbit.Comment
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