Question about Mitsubishi VS-4543 45" TV

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PICTURE GOES OUT ON MY MITSUBISHI MODEL # VS-4543.

How doIget at the back of the circuit board to check for loose connection with soldering iron??

Ed,

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Disassemble the set.

Posted on Oct 14, 2008

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Blank screen and no audio on Mitsubishi vs 4543 when ps3 is connected through rca cables. other electronics work fine.


Check and replace the main power regulator [SMPS] board to your TV. Contact any service technician, or the authorized service center for Mitsubishi. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/

Mar 12, 2014 | Mitsubishi VS-4543 45" TV

1 Answer

MY Panasonic TV Model TX -33P100X showing half picture and half black screen. When switch off and on again sometimes the picture reappear.


hit your TV on left side or right side or on top & then observe ..........you will get normal picture or it comes & again it goes....if it is happening like that then following is the situation..........after 4 or 5 yrs in some TVs on main board ( also on CRT circuit board ) at some soldering joints crack develops....then due to loose contact picture becomes small in size or abnormal width, or rolls etc ...........when we hit that lightly then those loose contacts joins temporarly & again picture appears normally for some time............so solution is .....TV main board & CRT circuit board should be observed carefully & most of the joints should be re-soldered.......only a good service engineer can do that........even after hitting TV lightly if there is no response then main board has to be checked completely........in your case iam sure it is loose connection problem.........joints should be re - soldered ...100% it works again ................this problem cannot be solved by user unless user has idea about components( resisitors, transisitors, diodes,...etc) , have soldering iron , multimeter & other tools....................so contact good TV service engineer & just ask him to resolder joints ...........

Jul 29, 2011 | Panasonic Standard (CRT) Televisions

1 Answer

Mitsubishi vs-60607 60" screen is


when picture is getting smaller in size or goes away or moves towards one side then hit your TV lightly on left side or right side or on top & then observe ..........you will get normal picture or it comes & again it goes....if it is happening like that then following is the situation..........after 4 or 5 yrs in some TVs on main board at some soldering joints crack develops....then due to loose contact picture becomes small in size or disappears ...........when we hit that lightly then those loose contacts joins temporarly & again picture appears for some time............so solution is ......TV main board should be observed carefully & most of the joints should be re-soldered.......only a good service engineer can do that........even after hitting TV lightly if there is no response then main board has to be checked completely........in your case iam sure it is loose connection problem.........joints should be re - soldered ...100% it works again................this problem cannot be solved by user unless user has idea about components( resisitors, transisitors, diodes,...etc) , have soldering iron , multimeter & other tools....................so contact good TV service engineer

Apr 22, 2011 | Mitsubishi VS-60607 TV

1 Answer

I turn it on with a remote and it turns right back off.


This is a older rear projection set. What I have seen and suspect is your problem is this set develops bad solder connections with age---this is a normal thing as the boards expand and contract when hot and then cool down.

Most likely some connection in the power supply has broken loose---I fixed several where it was a 20 minute job to get at the bottom of the circuit boards and resolder poor connections.

Let me know if you have questions as I am here to help.

SD TECH

Aug 10, 2010 | Mitsubishi VS-4543 45" TV

1 Answer

I have a Mitsubishi vs-4543 tv that when powered


check the power supply section.. probably the electronic component got problem.

Jun 04, 2009 | Mitsubishi VS-4544 45" TV

1 Answer

I have a vs-4543 picture only works part time sound always works


most likely bad solder connection or cold solder connection which is making contact after the set is moved or vibrated doe's this happen right away
or after the set is warmed up

May 07, 2009 | Mitsubishi VS-4543 45" TV

1 Answer

Picture on RCA TV shrinks to a horizontal line


Hello,
Sounds to me you have a cold solder joint ( loose solder connection ) on the printer circuit board around or on the vertical chip or on one of the vertical capacitors. You may also have a bad vertical chip or a bad vertical capacitor, but I doubt it since it did come and go. I'de get a soldering iron and some solder and touch up the connections. I will remind you that you need to always excersise saftey by making sure, before removing the back, unplug the TV from the wall, and use care not to come in contact with the large red wire going to the back of the picture tube as the picture tube can be turned off and still store lots of voltage ( up to 35,000 volts). Always stay safe and when soldering, use care not to run solder across places that will make a short.
Good Luck and I hope this helps
Ed Meshechek ( Radio Man )
NC Electronics
Mills, Wyoming
307-266-4675

Dec 19, 2008 | Standard (CRT) Televisions

1 Answer

Sharp 36in tv


Your problem may well be a loose connection ( cold solder joint ) on the printed circuit board. A person would need to disassemble the set and remove the printed circuit board so that you can view the soldered side. Look for any connections that may be loose or discolored ( the color on all the soldered places should be a shiny silver color ). When you have located these area or places that seem to be different or loose, resolder them with a soldering iron, and electronic solder lead.You set should be fixed. Good luck and I hope this has helped.
AS A NORMAL PRE CAUTION, ALWAYS UNPLUG THE SET BEFORE OPENING OR REMOVING THE BACK

Ed
NC Electronic
Mills, Wyoming

Feb 18, 2008 | Standard (CRT) Televisions

1 Answer

MITSUBISHI VS-4543


PVAT!!Look for bad connects--start w/easy first. Power supply,then vertical IC pins,then regulators.Take your time,be thorough.

Oct 01, 2007 | Mitsubishi VS-4543 45" TV

1 Answer

Mitsubishi VS 4543, Picture go out after a few minutes


I usually find that symptom you describe is caused by cracked solder joints on the power regulators or vertical output IC. I have also seen that symptom caused by loose solder joints on the vertical windings up inside one of the yokes. If you have experience in repairing TV's then you can disassemble the set and pull the main chassis, flip it over and resolder all of the parts mounted on heat sinks. If you do not have experience in repairing projection TV's then allow a qualified tech to handle it for you.

Aug 05, 2007 | Mitsubishi VS-60607 TV

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