Question about Panasonic SC-HT830V System

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The display on the front of the dvd player is not working

The problem just started one day last week. The display on the front of the unit is not working. I have checked the owners's manual, and there doesn't appear to be a feature to turn it off/on. I checked the brightness feature on it is on high. Everything else worka the dvd/reciever/vcr with the remote. Thanks.

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  • Anonymous Nov 12, 2007

    I tried all functions they all work fine I tried unplugging unit waiting a few minutes to see if it would reset was no good.any suggestions or is it just probably a malfunctioned display needing to be replaced.the owners book had no information about the display lighting up or being able to be adjusted to shut off.

  • Anonymous Nov 12, 2007

    everything works fine but no display . I tried unplugging for a few minutes but still didnt reset. nothing in manual about shutting display off or dimming it. please advise.

  • Anonymous Jan 01, 2008

    led display is out on our panasonic sc-ht830v. could it be a bad battery? or a bulb in console? please help. thanks

  • DAK23 Jan 02, 2008

    Same problem. Tried Rannier's solution. the part number is actually VEPV0037A (P & E transposed) and is no longer available from Panasonic. Any other ideas??

  • ctclau Jan 03, 2008

    I had the same problem last week. I thought it burned down because I had plugged something wrong or put the volume too loud.
    The strangest thing is always worked fine when I was using the original speakers, but I moved down to my new apartment and decided to build the surround speakers on the ceiling and do all the wiring behind a wood panel. I bought hurricane speaker which are supposed to be very good. All the speakers are still working but not the display.
    It has been just few weeks since I set up the new configuration and I hope the part solution works, because I am not willing to change the unit not only because of the cost but also for the mess with the wires, furniture and ceiling.

  • Will1028 Jan 11, 2008

    I have this same issue and I too thought that I must have had a power spike or something. Unforturnatly, I am getting the same runaround about the part being discontinued. Obviously, this was a defective component since I have also seen many of this model on sale on Ebay with the same broken display. It's pretty sad that this $450 unit that I bought only a couple of years ago is garbage because of a $20 board. I personally will not buy another Panasonic product.

  • ferguson Feb 16, 2008

    There is no display. I have called the toll free Panasonic phone number and have gone through all the trouble shooting steps. I'm just trying to find a service shop in the same zip code.

  • bromtomley Mar 01, 2008

    Same problem. No display, horrible customer service. Don't even bother making the call. You will speek to someone in a middle eastern country after a half hour on hold. After many troubleshooting questions with no results you will be disconnected. This happened twice.



    Has anyone had this problem fixed? how much does it cost? does the fix work? What is the cause?

  • Rmorc Mar 12, 2008

    I have the same problem. Worked fine yesterday, turned it on today and no display.

  • John Jul 13, 2008

    I have the same problem. The display just went dark. I've opened the unit and the PC board the display is mounted to has other functions that work fine. I suspect it is the fluorescent display, the display driver or power to the display. I've ordered the display and will attempt the repair to the board.



    I've already modified the unit by installing a switch to route different signals to the wireless transmitter so I would like to first try repairing the unit before I scrap it.

  • princered72 Oct 19, 2008

    Does anyone have the part number for the display? My display went dark also. Gradually got dim then went out.

  • hellsflare Nov 28, 2008

    i have the same problem on my display panasonic sa-ht830V, i finally started to tinker with it and can't seem to get anywhere.... help...?! to me it should be a factory default with everyone having the same problem. has anyone ever dealt with panasonic saying it is a default and get any solution?



    i can actually see where it is burnt on the display...

  • Anonymous Dec 06, 2008

    same problem - I just try to work around it - but it's almost impossible when trying to get a radio channel, etc.

  • rockwithme11 Dec 14, 2008

    I have the same problem on 2 year old system. I was plugging in the power cords after after buying new TV cabinet. Please suggest solution.
    Thanks.


  • kcan Dec 28, 2008

    I have same display problem. I read the two possible fixes, how can I test to see if it is the board or the transformer/fuse?

  • scford302 Jan 17, 2009

    Same issue unit works, but the display cut out. Does anyone know where to buy the part VEPV0037A? Seems like no one carries it, hate to junk the whole system because of a $20 part. Has anyone tried to use the powered sub with a different receiver, not sure if the wire can cut and spliced to operate with a different setup. Any help would be great.

    Thanks

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I finally got some time to run this one down. I first took the "easy" solution and just ordered a new display and replaced it. No luck.

I traced the problem to the grid voltage going to the fluorescent display, it is a vacuum tube and requires grid heater voltage. The circuit goes through a switching transistor on the display board (board not available) through the DVD board (circuit wiring only) through a diode and fuse protector on the power board (also not available) to a transformer. The fuse protector was open, but the transformer was not putting out the right voltage. I replaced the transformer and jumpered the fuse protector and that solved the problem. I will need to put something in there for circuit protection as it may be a current limiting fuse protector but the part was not even in the parts.com parts list.

Cause: Temperature and/or voltage surge caused transformer and fuse protector to fail. Transformer rang OK, only display voltage affected.
My Solution: Replace transformer T1150 and Fuse Protector IP1280.

Possible cause of others who replaced the display board: Voltage surge may have taken out switching transistor Q7001 on display board. This transistor is turned on by QR7201 & QR7201 in a Darlington pair when PowerSave goes low. I did not under stand this function since the display is never completely off. It may dim it but I don't recall the display dimming. It may be non function on this model so jumpering E-C on Q7001 might solve the problem for others.

Parts replaced:
T1150 Transformer G4D2A0000216
IP1280 Fuse Protector K5G252AA0003

John

Posted on Sep 03, 2008

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  • John Sep 03, 2008

    Photos:

  • John Sep 03, 2008

    More Pictrure: Good new is the transformer was cheaper than either of the unavailable PCB boards.

  • John Sep 03, 2008


    Another mod.

  • John Sep 03, 2008

    Closeup of transformer

  • John Jun 06, 2010

    It is good to hear that just jumpering the fuse protector on the power board has solved many peoples problems with this unit. It did not work for me when I tried it when I was tracing the circuit and measured the output voltage of the transformer. Of course there could have been some gremlins in my test setups.

    Responding to the question from shortyemcee, the proper output voltage I believe is 40 VAC if I remember correctly from 2 years ago when I wrote the original solution. That would not be enough to light a neon test light nor would that type of light complete the circuit. Neon requires around 90V to ionize, below that it would look like an open circuit.

    Bottom line, just try shorting across the fuse protector IP1280 (looks like a blue resistor) on the Power Board and see if that fixes the problem. It's simple and requires no special parts or equipment.


  • John Jun 06, 2010

    Thanks for the kudos, jdcam644. I'm also an EE, Mizzou '85.

  • yojoe73 Dec 19, 2010

    Good work, John. I was just about to toss this unit and thought I would check on line to see if I could find a replacement display board cheap. I found this thread too. The hardest thing about this fix was getting the unit out of the built in shelf on my wall. And I had a suitable Littlefuse in my parts box too. Thanks, Joe

  • buitenwerfb Mar 28, 2011

    Thanks John the IP1280 fuse protector was the problem. All I did was grab the fuse protector with a needle nose pliers and twisted it until it's two wires touched each other. Thanks for doing the hard work of finding this little problem!!!!!!!!

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Like many others, the display on my Panasonic SC-HT830V failed even though the unit was still fully operational. I'm an electrical engineer and checked as much of the unit as I could without a schematic but was unable to fix the problem. I then saw the analysis by John (JCW3rd) and he was right on - kudos to you John. I put a temporary jumper across the fuse IP1280 and the display immediately worked. I went to a local electronics store and purchased a replacement fuse for $0.75 which fixed the problem. The only additional info that I would add to John's is there is probably minimal risk from just leaving a short across IP1280 since the unit still has the protection from the primary fuse (although a failure of this fuse would disable the whole unit). Still, its best if you can replace the fuse and I would suggest using a 0.5a fuse instead of the 0.4a value that IP1280 was. I believe that the vast majority of display failures is due to this fuse opening and a slightly larger value seems prudent. Also, regarding the transformer (T1150) that John replaced, I seriously doubt that this is a significant cause of display failures as transformers are inherently very robust and don't readily fail unless significantly abused.

Joe

Posted on Oct 15, 2009

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The solution by John (JCW3rd) fixed my unit. I wired a .5A fuse accross IP 1280 as suggested by Joe and havn't had any more issues. Recommed that you try this first before changing display board

Posted on Dec 21, 2009

  • vannyii Sep 11, 2010

    I have the same problem on my Panasonic unit. Except, I have no know-how on how to put a temporary jumper or add a fuse. Anyway to get some basic step by step layman term instructions on this fix? Thanks.

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The busted part that you need is part # VPEV0037A from Panasonic. This is the front panel display. Just replace this on your SA-HT830V and you'll be back in business. More specifically: There are 5 screws to open up the main case. The front just pops out with rivets or whatever you call them on the top, side, and bottom. Might have to wiggle it a bit. Behind the face that you've just removed, there are probably 7 screws (approx) to remove the board with the LED display. Remove and replace with the new part. This happened to me this week too. I paid $28 including shipping for the part. Rannier

Posted on Apr 11, 2007

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The solutions posted are right; however I am conservative about repairs, and prefer to replace the "1P1280" fuse instead of simply jumping it. Replace the 0.04 amp fast acting fuse, and the display will work again AS DESIGNED, and hopefully for another seven years (in my case - since the last time this happened).
What I am bringing to the solution is the exact name of the part that fails, and where to get a replacement from.
The part is called a Fast Acting Fuse. It is rated at 0.40 Amps. The manufacturer is Little Fuse Inc. & their part number is 0491.400MAT1. I ordered mine from digikey.com, and Digi-Key's part number is currently F5534CT-ND. Last I checked, this was not available through Radio Shack (as they have gotten out of the deep level circuit's/components business).
I am very grateful for all the posts for this problem! This easy to replace sixty-three cent fuse saved me hundreds of dollars!

Posted on Jun 22, 2013

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{SA-HT830V} I figured my display burnt out because I left it in demo mode and so the display was continuously on and scrolling through the unit's features.I jumpered the IP1280 with a wire and the display works again so I can use this unit once more.All i needed was a phillips screwdriver to get the top and back panels off and a wire.
The display on the front of the dvd player is not  - 9_21_2012_11_36_05_pm.jpg

Posted on Sep 21, 2012

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Hey I fixed mines. JCW3rd is right. All u got to do is jump the the IP1280. I just got a little piece of metal wire or strip a peice of wire and wrap it around the IP1280, then bam! It showed the display lights. Easy, and it's no cost of money lol ;p thanks and 2 thumbs up to JCW3rd.

Posted on Mar 07, 2011

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I did the jumper across IP1280 and the display worked.You need to remove the top cover and the rear cover from the unit.The IP1280 fuse is on the back of the unit above where the AC IN is.
The display on the front of the dvd player is not  - 9_21_2012_8_01_39_pm.jpg9_21_2012_8_06_00_pm.jpg

Posted on Sep 21, 2012

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Hey JCW3rd,

I don't have a multimeter, but I stuck a 110 test light on both sides of IP1280 and got nothing,

So this is either lower voltage than it takes to light my tester, or it's something in line is bad?

I would assume if just the protector was bad, jumping it even with the test light would have completed the circuit and lit the screen?

Would a bad tranny cause this not to have voltage? Not sure if the tranny is before or after it in the circuit. Kind of want to confirm the tranny and protector as the issue before buying the parts.

Posted on Jul 16, 2009

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Has anyone found the replacement part? According to the Panasonic support site it has been discontiuned! I doubt it's the display only and need the whole PCB.

Posted on Dec 29, 2007

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The repair i suggested (part A2BD00000113) did not work. The part number is for the display only, not the entire board. The display would need to be unsoldiered, then the new display soldiered in. Not a job for a novice. Besides the problem is probably in the board. Either get hold of a VEPV0037A board or take it to ab authorized repair shop. Sorry

Posted on Sep 12, 2007

There is a new part number for the display call panasonic at 1-800-833-9626 and order part no A2BD00000113. it costs about 20.26 plus 8.95 s+h by usmail (7-10 days)

Posted on Aug 15, 2007

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I have the same problem with my SA-HT830V, your the third person that I have found online with my same problem. No one has found a solution yet, except to return it for repair (I did not see a price quote for repair). In the other two cases, the comlainants were quick to note that the disply had failed within weeks of the warranty expiring (two weeks in one case, about a month in the other). Mine failed at about the 18 month point. Have you found a solution in the interim?

Posted on Feb 16, 2007

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