Question about Sanyo 42 in. LCD TV
Only for a little suggestion even when it has nothing to do with this to know ? https://www.youtube.com/watch?v=t36YT7-5GTY but have you test those kind of fcc flatsheets by manipulating like for example pushing on it with a peace of towel on those sheets for a faultering test ? they can be dry out and come loose by direct sunlight or other cause by heating up over a time and it will become faultering.
Maybe it could be in cause of strange defects if you have service manual and all things measured do not use the new prints without heatsink it should allways on it if the same chipset is used if not modified , or you have bought a refurbished print because of the missing heatsink and metal cover?
Posted on Jun 05, 2017
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Posted on Jan 02, 2017
The Samsung SyncMaster 940MW monitor has an issue with the power supply # IP-46135T going out. The flashing power light or not turning on are the classic symptoms of this issue. Check out our web site at: www.ccl-la.com We have a step by step repair guide posted that will guide to doing the repair yourself. It involves changing a few capacitors on the power supply. If you can solder then you should be able to do the repair yourself. If you don't want to do the repair we do offer a repair service for $35 plus return shipping. If you have any additional questions just let us know at: email@example.com
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Posted on Jan 19, 2010
SOURCE: I have a Sanyo DP42848
No, there is no power reset. You need to find out now if the backlights inverter baord or the 24vdc from the power supply is good. Bad cap can look normal but can have high ESR (Equivalent Series Resistance).
Please read my guide to understand in more details, it sounds like you may have multiple baords failure.
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Posted on Aug 01, 2011
The T-CON board is usually under a metal shield cover and sitting on the middle top section of the screen, you will see a very thin connector with VERY SMALL WIRE attached to it, be real careful when you try to remove this connector.
There is F1 fuse on the left side of the connector.
Check to see if you do have 12v on it and it is not blown.
Problem is in either power supply or the Y-Sustain board.
The Y-Sustain is a relatively large board out of which go connections to the side of the display; it's therefore closer to either the left or the right side of the display, has at least one rather large heat sink on it and fat power cables connecting it to the main power supply.
Often there are fuses on that board - one or more.
if they are blown you can try to replace them, but expect them to blow again - usually the whole board needs to be replaced.
Hope this will help to solve the problem...
Posted on Aug 23, 2011
It only tells us that the inverter cable needs to be reseated or replaced. It's not an expensive repair so fortunately you can consult any local certified technician and have them work on this.
Posted on Aug 30, 2011
I had the same thing happen to a DP42848 I'm repairing but I could smell ozone on the left side so I didn't replace anything. I just disassembled the screen and found four flouresent tubes not working! I exchanged them to be sure it was the tubes and it was.New screen is out of the question. I am trying to find a broken used LCD screen somewhere and rob the tubes from it as they just snap in and that might not happen so goodbye tv!
Posted on Dec 14, 2011
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Power on the unit in the dark room then shine with the flashlight directly in the screen, you will barely see the images. This is because your backlight is not functioning. The following reason was the caused.
1. Power supply - missing B+(supply voltage) coming from this board feeding the inverter board. This is caused by faulty transistor, dried/leaky electrolytic capacitor, open fusible resistor.
2. Inverter board - even the B+ is good from the power supply, if the fuse, driver transistor, driver transformer is faulty no output to the backlight resulting to black picture.
3. Busted backlight - even inverter board is good but if this is busted resulting to black picture also.
Check the parts here.
Diagnosing the fault is technical and if you don't have necessary tools and test instrument and can't fix it yourself, I would advice you to look for an experienced technician to isolate the problem.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.
Apr 02, 2011 | Sanyo DP42848 LCD TV
Jan 09, 2016 | Sanyo 42 in. LCD TV
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