LCD TV and Monitor basic troubleshooting guides

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

Backlights driving methods.

[asjad]

Re: LCD TV and Monitor basic troubleshooting guides

what is problem Samsung lcd le32a457c1d no display and picture but only blue

[selldoor]

Re: LCD TV and Monitor basic troubleshooting guides

Please start your own thread (with pictures of YOUR boards)
This is a "Sticky" for reference only.

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

SMD Codes.
http://www.s-manuals.com/smd

[m.k.]

Re: LCD TV and Monitor basic troubleshooting guides

Hi,No schematics are available to my knowledge.
I have recently repaired the motherboard with problem of No operation except power led blinking when operating with remote or panel switches.

Just heated the metal shielded box which has the micro processor ICs.

[triplefour]

Re: LCD TV and Monitor basic troubleshooting guides

how do people still not know how to read/use a forum???

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

how to recognize t-con defects_SAMSUNG

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

Panasonic and KEMET high freq switchung polypropylene cap for power supply.
KEMET POLYMER TANTALUM (sub for NEC TONKIN NE CAP) for SAMASUNG main board

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

Samsung LNXXA550P3 series with bad caps on the main board, TV makes squealing static sound through speakers, cycle on and off, etc.
Temporary solder in 100uF 10V low ESR cap in parallel with C102 to see if it solves the problem, but make sure the power supply caps are OK first.
KEMET Polymer Tantalum caps can be used.

[skanknpunx]

Re: LCD TV and Monitor basic troubleshooting guides

I need a service manual for Sharp LC-46le620ut cant find one online for free. any healp would be great

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

Try here:
http://elektrotanya.com/?q=showresul...at2=schematics

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

[skanknpunx]

Re: LCD TV and Monitor basic troubleshooting guides

Sorry, but I am not seeing where to download it on that page Without it taking me to another website or installing 3rd party software. Where on the page can I click to download and just get the manual?

thanks

[selldoor]

Re: LCD TV and Monitor basic troubleshooting guides

Skanknpunx - you are really messing this teaching thread up - start your own

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

https://www.badcaps.net/forum/showpo...&postcount=129
https://www.badcaps.net/forum/showthread.php?t=25555

This PANASONIC Polymer Tantalum will work too (as used and confirmed by aaronwt6):
https://www.badcaps.net/forum/showpo...&postcount=129

http://www.mouser.com/Search/Product...67-10TPE47MAZB

[budm]

Re: LCD TV and Monitor basic troubleshooting guides

Another confirmed bad caps on SAMSUNG MAIN BOARD for LNXXA55X series.
https://www.badcaps.net/forum/showth...362#post518362

Please note that the BAR marking on those two TANTALUM caps = POSITIVE pin.

[Kilroys]

Re: LCD TV and Monitor basic troubleshooting guides

Ready for 2013 Samsung lcd ?

[abrar.javed]

Re: LCD TV and Monitor basic troubleshooting guides

learning tv repair and these repair manual must be very useful

[trinamcan]

Re: LCD TV and Monitor basic troubleshooting guides

LCD panel disassemble to get to bad lamps assemblies, SAMSUNG 25" TV/MONITOR, also show how to verify if the lamps are bad using spare lamps.
This failed unit you can smell Ozone.

nhìn các bạn sửa tôi rất thích , chúc các bạn vui , tôi là thành viên mới

[shadeengineer]

Re: LCD TV and Monitor basic troubleshooting guides

I have a Samsung ln52a550p3fxza, replaced the bad caps about a year ago, now have a strange issue when first powering up the tv, there appears to be off colored distortion through out the screen, then periods of green pixalition on black areas, after a period of time picture returns to normal, scanned through the forums, checked for other reports of this issue without any luck. I suspect T-con board but would like your opinions, Thanks