Question about LG 42LB5D 42 in. LCD Television

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Need schematic for lg power supply eay3281690

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Posted on Jan 02, 2017

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Coldcut
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SOURCE: LG 42KK Power Supply Schematic Requested

you won't find any just ,

use a thermal probe or thermal gun as heat is likely the issue ,
if nothing else replace the main diode /rectifier and caps.
I find that if I replace the hottest items that usually the fix


if there is room for a small fan you will be doing them a great service and extend the life of the tv.

you may find some info on the power supply from one of these links they are generic enough
http://www.pacificdisplay.com/links.htm


Posted on Jun 10, 2008

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SOURCE: schematic diagram for power supplys LG 60PC1D-AA

I do not have the schematic, but have a testing / troubleshooting guide for the 60PC1D 1st and 2nd generation, which gives some good insight in organization and functionality of the power boards.

This is what we ourselves step on when repairing - LG often does not publish schematics for power boards and sustain boards.

contact us if interested

Posted on Sep 30, 2012

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1 Answer

Power supply schematics for LG TV LG 55LB5550 Thank You.


If you wish to get some details; visit the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/ Circuit diagrams of many popular brand TVs and other devices are given.
Schematics can't be uploaded by this window.

Sep 11, 2017 | LG Televison & Video

1 Answer

Need schematic power Board LG EAY58316301


Hi Enrique,
Can you provide a model number of your TV to find a service manual and hopefully It will have the schematics for this power supply?

Feb 08, 2017 | LG Televison & Video

1 Answer

Schematic diagram for power supplys LG 60PC1D-AA


I do not have the schematic, but have a testing / troubleshooting guide for the 60PC1D 1st and 2nd generation, which gives some good insight in organization and functionality of the power boards.

This is what we ourselves step on when repairing - LG often does not publish schematics for power boards and sustain boards.

contact us if interested

Sep 30, 2012 | LG 60PC1D 60 in. Plasma Television

1 Answer

Diagram of power supply with str-s5707


thats a switching regulator its almost impossible to get full schematics for an LG LCD tv since the manufacturers dont provide them as the repairs are board replacement and no longer component based repairs. Are you needing assistance with a power supply on a LG42LC2D ? If not post what model number you have an what issue and I will assist.

Apr 07, 2012 | LG 42LC2D 42 in. LCD HDTV

1 Answer

Lg FLATRON LCD L1730S (L1730SSNTM-AL**E power


Here are the service manuals, please look through them. Please note that if the power supply is not made by LG, it will not show the information in the service manuals.
http://elektrotanya.com/?q=showresult&megnev=LG&megnev2=L1730&kategoria=&kat2=schematics

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

Jan 19, 2011 | LG L1730SF 17" LCD Monitor

1 Answer

LG TV (LCD) power supply schematics


Service manual from SAMs does not include a schematic of the power supply board

Aug 03, 2009 | LG Televison & Video

2 Answers

LG 42KK Power Supply Schematic Requested


you won't find any just ,

use a thermal probe or thermal gun as heat is likely the issue ,
if nothing else replace the main diode /rectifier and caps.
I find that if I replace the hottest items that usually the fix


if there is room for a small fan you will be doing them a great service and extend the life of the tv.

you may find some info on the power supply from one of these links they are generic enough
http://www.pacificdisplay.com/links.htm


Jun 09, 2008 | LG 42PX5D 42 in. Plasma HDTV

2 Answers

LG RD-JT92 PROJECTOR. Will not start up and all buttons flashing.


Capacitator on the Power Unit - exchange it and you'll be fine...
http://www.cliff.de/galerie/RD-JT92-inside.jpg

Cheers,

Cliff

May 07, 2008 | Televison & Video

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