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Philips LCD TV 32PFL75320/79 UPDATE PROBLEM SAYING BAD CHECKSUM OR INVALID SIGNATURE

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What do I do if my mitsubishi tv shuts off after 2 to 3 minutes and shows a solid red light code, which is saying the bulb is bad, I replaced bulb twice and both bulbs are new. What could be wrong?


What model is the TV? Also, what brand is the lamp? A lot of cheap lamps are truly junk and will not work. The bulb should be made by Osram or Philips.

Sep 11, 2016 | Mitsubishi Televison & Video

1 Answer

From 1 to 10 ten been the best how good are this tv 55PP9363H/17 1 TOSHIBA 6211M15 1 SONY KFSOWE620 1 MAXENT MX26X3 1 SAMSUNG LN32BS40P8D 1 MAXENT MX26X3 1 MAXENT MX42XM11 1 SONY KDLS2VLISO...


The Samsung LN40B540P8F I would rate a 9. Only God is 10.

All the DLP sets, you can throw out

All the Older Projection sets you can throw out

I would take the rest for scrap parts.

I hope this is helpful.

Dec 18, 2010 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Sony Wegs 42" LCD TV won't turn on, after about 30


I had a similar problem with my 42 in Philips LCD HDTV.


Here was the problem. My Power Supply Board had several bad capacitors. I opened my TV (warranty was expired of course) and found four bulged capacitors on the PSB. Many major electronics companies Philips/Magnavox, Sony, Panasonic, and others were sold capacitors that failed in 2-5 years instead of 10-20. The capacitors fail prematurely due to a lack of preservatives. Unfortunately, they were installed in all sorts of devices and cause a wide range of failure problems.


Here are some options for you.


1. Have it fixed by a professional $$$$$$$??????? (Is it under warranty?)

Remember, TVs CONTAIN HIGH VOLTAGE AND CAN KILL YOU! Do this at your own risk.

2. Open your TV and find PSB. (The board that the power cord plugs into) Check for faulty caps. If you find some (bulged or leaking) bad caps replace the entire board. The entire board costs around $250 right now because they are in high demand right now. They can be found online. I would definitely shop around though.


3. Remove and then replace individual faulty caps. This takes some soldering skill.

Caps are inexpensive and if you can take care of it yourself it will save you hundreds.


This may be your problem. If you determine that it might be.

I have a Tip/How TO tutorial on this site that may also help. It gives step by step instructions for replacing caps on PSB #715t2432-2. If this is your board you are in luck. Here is the Link: Fixing the Philips Turns/shuts off on its own problem. I'm working on uploading pictures to help guide people though the process as well. Let me know if I can do anything to help.


Hope this helps and if it does please rate it accordingly. Good luck.

Dec 16, 2010 | Sony Grand WEGA KF-42SX300 42" LCD TV

1 Answer

37 INCH LCD MAGNAVOX TV WILL NOT TURN ON. MUST BE


This problems,very common in LCD tv,after the tv was in used about a year or two.The new technalogy LCD tv don't handle heat very well,not like the old CRT Tube Tvs.The power supply board tend to have bad capacitors componnents leakage,that bulges up it top or puff up gases escape,that why it take times or couples pushes to the power botton to turn the tv on.U know basic electronic's,and have soldering tools and solders?Take the tv aparts,check for these bad capacitors,that bulges,puff up in the power supply board and replaced them,than ur power will work normal again.Or tries Websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Apr 29, 2010 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

I have a Phillips LCD tv model #42PF7421D/37. and


I know on the plasma TV's it was a matter of updating or downloading and re-installing the firmware/software for the TV to fix the issue. Go to the following page and if the model you have is indeed a 42PF7421D/37 download the software on the page. Make sure you follow the installation instructions to update the software otherwise the set will become a 150 lb paper weight.

&scy=US&slg=AEN&sct=LCD_TV_SU&cat=TV_CA&grp=SOUND_AND_VISION_GR&session=20091111140139_64.85.227.44&ctn=42PF7421D/37&mid=Link_Software&hlt=Link_Software">Philips Support Page

Nov 11, 2009 | Televison & Video

1 Answer

Magnavox 42 LCD 42mf438b/f7 turns on/off by itself


Mine was doing the same thing. Update the firmware and it fixes the problem. Updating the firmware is done by downloading the file to a thumb-drive from the phillips product support page then plugging in the drive into the side of your television and turning it on. See your manual for slightly better instructions.

Jul 08, 2009 | Philips Magnavox 50ML8105D 50" HDTV DLP TV

2 Answers

Bad picture


A 10 year old Rear Projection tv is usually at the end of its life. No such thing as "fluid". Best advice, get a new TV.

Dec 25, 2008 | Philips Magnavox 9P6034C 60" Rear...

1 Answer

Philips 42pfl5603 hi all i have this set i would like to know is there an engineers code so i can get into as a firmware i uploaded is not working and the lcd tv continually resets itself


All u have to do is download the new firmware update from the official philips website on to usb then stick it in ur tv and let the tv do the rest i had exactly the same problem

Dec 01, 2008 | Televison & Video

1 Answer

Need codes for philips universal remote


i need the code for my tv it is a signature brand

Jun 19, 2008 | Televison & Video

2 Answers

Philips 55PP9401 ProjectionTelevision


it seems as you need your tubes re-alinged dont get riped off by tv experts saying it will cost you loads if you have a screw driver and a gentl touch just re focus your red green and blue-simple cost you nothing

Aug 08, 2007 | Philips 55PP9401 55" Rear Projection...

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