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LG HT356SD Power supply Schematic diagram

Power Regulator Primary ic Number

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Posted on Jan 02, 2017

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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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Samsung LN40B500P3FXZA TV has no power. Replaced bad 3.1A fuse but it blew again when attempting to power on. No obvious bad components (blown capacitors). 6.3A fuse is still good.


Since that I have not schematic diagram of your tv... I cannot figured you out the exact part number of those components that caused the problem, but the possible reason why the fuse are always blown when you turned on the unit? because there are some bad filter capacitor, rectifier diodes and power IC regulator in primary power circuit section.

Nov 08, 2016 | Samsung Televison & Video

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Hello i need schematic diagram for power supply Model MEGMEET - ML686 . that power supply used for LCD TV .it's bad Brand and nobody care in service center. hope somebody help


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Check the present power supply [SMPS]; and find out the number of switching regulator IC used. Surf the site with that IC number. You will get similar circuit for SMPS there.

May 04, 2015 | Televison & Video

1 Answer

My 25" sharp not turning on


As i can not see the circuit or the schematic diagram... as you have said..there had no 5 volts, please check the IC regulator coded: 7805.

Oct 09, 2014 | Sharp 25R-S100 25" TV

1 Answer

Sharp primo tv 21" str ic number?


To know more about this, you have to download the repair manual to this set. Its schematic diagram section have all details. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" or "Magazine" will make surf easy. Pull up older posts. Surf the site with patience. Do a search by type in the brand name of your device at its search box.
http://electronicshelponline.blogspot.com/
Power supply regulator schematics to many popular TVs are given.

May 14, 2014 | Sharp 25R-S100 25" TV

1 Answer

LG lmu186hv mini split ac


problem with the power supply board the vvoltages are not as per the factory values check the power regulator ic and ensure all voltages and gains are ok get a schematic diagram and check that all votages are the way they are on the diagram

Jul 18, 2013 | 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

How to make regulated power supply


The easiest way to do this is to use a 3 pin regulator IC.
For a 5 volt supply go to this WEB site,
http://schematicwiring.com/simple-electronic-applications/5v-dc-regulator-with-3-pin-regulator-circuit-schematic-diagram/
For a variable voltage power supply go to this WEB site.
http://www.engineeringslash.com/power-supply/three-terminal-adjustable-regulator.html

Mar 16, 2011 | Computers & Internet

1 Answer

InFocus LP540 Power Supply Problem


most of infocus parts are oem and made by a company in taiwan that no longer makes power supplies, and many of the parts have their stock numbers and not neccesarily a common stock. the power supply, however, is in stock at infocus for about $65.

Jun 23, 2009 | InFocus SP-LAMP-017 Projector Lamp for...

2 Answers

Dvd player is completely dead.


First thing to check is the power cord with it unpluged. Do you get a resistance there or is it open?? If its no reading at all then the power transformer or fuse or current limiter resistor is open. If you do get a reading then you know your power transformer primary is good. Next measure the AC volts comming from the secondary of the transformer. AC volts? Good! Now Find pin 1 or the end pins on the microprocessor. 5 volts present?? No theres your problem get a schematic and troubleshoot the power supply. Yes 5 volts? Measure the display any volts on it?? Ok im sure by now your gonna say no to one of these and like I said get a schematic and conferm all the voltages are present in the power supply. Most common dead problem in dvd/cd players is the power supply ie transformer,regulator, ic, ect, ect. Good Luck

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