Re: SONY KDL40EX503 - firmware / sourcing compatible main board
Does anyone have any thoughts on this?
[B]Could[/B] I use a main board that's close and update to the right firmware?
eg.
1-881-636-2[U]2[/U] with matching model # and screen
[B]Or[/B] perhaps use a matching board with matching screen but one model up eg KDL-40EX710
Would really appreciate any insights into sony board compatibility.
Thanks in advance.Re: SONY KDL40EX503 - firmware / sourcing compatible main board
Does anyone have
Beynon
Member
Last Activity: 01-10-2017, 09:32 AM
Joined: 12-06-2016
Location: Hampshire
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Re: SONY KDL40EX503 - blank screen, green constant power led
Posted new thread with mainboard sourcing query - [URL="https://www.badcaps.net/forum/showthread.php?p=713959#post713959"]link[/URL]
Will update this thread when I get a hopefully positive outcome.
CheersRe: SONY KDL40EX503 - blank screen, green constant power led
Posted new thread with mainboard sourcing query - [URL="https://www.badcaps.net/forum/showthread.php?p=713959#post713959"]link[/URL]
Will update this thread when I get a hopefully positiveLast edited by Beynon; 01-05-2017, 02:07 PM.Leave a comment:
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SONY KDL40EX503 - firmware / sourcing compatible main board
Thanks to budm, dick_barton and ReeceyBurger123 in helping previously with mainboard diagnosis on this.
Finding a compatible replacement main board with all the matching numbers is proving very difficult.
Might it be a case of finding one close to it then updating firmware (which I've found on the sony eu site)?
Here're the board and panel details:
Main board: 1-881-636-23
Sticker on main board: Y2008850J ; 158661; REV 106; SOFT 4085
Panel: LTU400HF02
Any assistance hugely appreciated. -
Re: SONY KDL40EX503 - blank screen, green constant power led
Finding a compatible replacement main board is proving very difficult.
Might it be a case of finding one close to it then updating firmware (which I've found on the sony eu site)?
Here're the board and panel details from the original tv:
[B]Board: 1-881-636-23
Sticker on board: Y2008850J ; 158661; REV 106; SOFT 4085
Panel: LTU400HF02[/B]
Any assistance hugely appreciated.
PS> should i be posting this question as a new thread?Re: SONY KDL40EX503Leave a comment:
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Re: SONY KDL40EX503 - blank screen, green constant power led
Thanks for your reply budm, so would this be easily traceable / fixable? - or a case of sourcing a new board? - I have a DMM and reasonable soldering skill. used (tested) board around the £40 / $50 mark.
(i'm thinking board)
Cheers...Leave a comment:
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*update* Re: SONY KDL40EX503 - blank screen, green constant power led
Scuse delay - Christmas got in the way! Happy New Year to all.
[B]1Ks across points as described above... RESULTS:[/B]
Backlight = ON. showing up strong through holes in chassis.
Measurements as follows (before / after putting resistors across)
[B]PS board measurements[/B]
[B]CN 6401 upper right side of PS board (connecting PS to main board) – from top to bottom[/B]
T-CON-ON = 0 / 0
T-CON VCC–12V = 0 / 0
NC = 0 / 0
...Leave a comment:
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Re: SONY KDL40EX503 - blank screen, green constant power led
Thanks for your reply, interesting. - I'll be able to check this out tomorrow and report back....Leave a comment:
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Re: SONY KDL40EX503 - blank screen, green constant power led
thanks for your reply budm,
yes it is - same board and #...Leave a comment:
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Re: SONY KDL40EX503 - blank screen, green constant power led
Thanks for your reply - where would i measure the 24v rail starting?
(i get the same voltages at the points above no matter if the green or red led is showing on the front)...Leave a comment:
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SONY KDL40EX503 - blank screen, green constant power led
Hi everyone, amazing forum, smart people… this is my first post so be gentle:
The set is 4.5 yrs old, been kept in decent clean condition and used most days.
Any guidance as to my next step would be most appreciated.
[B]Symptoms at moment of failure:[/B]
At moment of failure, screen flashed vertical coloured lines 1cm wide with 1cm gaps then sound “BINK!” then blank screen.
This only happened once and it was my wife who witnessed it. Can't reproduce it.
[B]Symptoms now:[/B]
Blank screen (no backlight),... -
Re: New Members - please post your introductions here
Hi everyone, pleased to be aboard. I'm a diy enthusiast i guess...
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Maintaining and fixing my modest collection of bmws, i used to do a lot of home electronics when i was a teen..
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music and adore high fidelity. I run a raspberry pi distributed music network at home (sort of diy sonos).
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