Question about Hitachi UltraVision 42HDS52 42 in. HD-Ready Plasma Television

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How do I remove SDR-D board from Hitachi plasma tv?

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  • Gigi Sep 21, 2013

    it has two burn spots on chips

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 2337 Answers

SOURCE: i have an hitachi 60"

You can search using the following numbers: HA01751 or LSJB1224-1

Posted on Sep 03, 2010

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SOURCE: 37" hitachi plasma tv doesnt turn on

If you have a light on ( standby light ), then I would say power supply fault, tv could be shut down because of faulty capacitors in power supply. if you dont have any lights at all , check fuse in plug,
( there will almost certainly be a fuse in the tv) but, that is for a tv guy to fix.
pete

Posted on Nov 10, 2010

Slinteriors
  • 8617 Answers

SOURCE: We need a new mother board for a 55" Hitachi

www.tvcircuitboards.com should have them. You can leave them a email by hitting the contact us button on their website

Posted on Oct 02, 2011

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1 Answer

Hitachi tv turns on then gets bad picture than turns off blue light blinking


The name of the part is probably "buffer board" and there are two in your TV - upper buffer and lower buffer, also called SDR-U and SDR-L boards.

Those are the two most common sources of problems in P50S601 along with the Y sustain board (SD board in hitachi and Panasonic terminology), which sometimes gets damaged by the failed buffer board.

In the buffer boards market there are all kinds of offerrings. There are old buffers for around $130 for the pair and there are new buffers in the range $160-$200 for the pair.

In my opinion if the difference is barely $30-$40 one is better off going for the brand new ones.

Here's a link to our title for them, you can sure find others if you start from it:

http://www.coppelltvrepair.com/p/182/hitachi-nd60200-0048-and-nd60200-0049-replacement-set-of-buffer-boards

Hope this helps!

www.coppelltvrepair.com

Dec 15, 2012 | Hitachi Ultravision P50S601 50 in. Plasma...

2 Answers

Has sound but, no picture


could be digi-main or BUFFERS (Drivers) ON SDR Upper and/or Lower PWBs (50"~60") holes in chips must look at them good.

Jan 18, 2011 | Hitachi P50H401 50 in. Plasma HDTV

2 Answers

Problem with Hitachi P50H401 Plasma TV - Will not turn on. Blue light flashes 4 times ???? Plasma TV less than 2 years old will not turn on. The blue light continuously flashes 4 times


I have the same model, P50H401 and it developed the same problem two days ago. This set is 2 1/2 years old in service, being purchased in December 2007. The original manufacture date was October 2007.

The set was turned on and operating at the time and then promptly shut down by itself. The front blue LED power indicator began flashing four times in a loop or cycle.

The flashing LED sequence in this instance points to a problem with one of the following boards: PSU, X-Sus, Y-Sus or SDRs (there are two SDR boards, SDR-U and SDR-D, both are connected off of the Y-Sus board on the left hand side of the frame when rear facing). The set shuts down to prevent further damage to other boards or components.

I could power cycle the set but it would shut down after after a few seconds. Power LED would stay solid, I could hear the PS relays switching, and audio would output through the speakers. Then as the screen was just about to illuminate, the entire set would just shutdown. The blue LED would again go into the 4X flashing sequence.

I could not visually detect any signs of severe component damage on the main PS board. The two large electrolytic capacitors which have been mentioned as problematic in other threads seems fine. The where slightly raised on the top surface, but not blistered or completely blown open.

The only indication of component damage that I could detect visually was on one of the small surface mounted ICs on the SDR-U board.

Through reading other posts on this site, I learned that I was able to remove the suspect SDR-U board and then re-power the set. Doing this proved that the PS, X and Y Sus, and the SDR-D boards where o.k. The PS held, and the lower half of the screen illuminated. (I would only do this for as brief a period as required to determine if the the other boards would function and the screen would illuminate. Do not pro-long operation in this state so as to not cause further damage.)

It was somewhat difficult to locate the correct SDR-U board. My local service rep did not have one in stock, and the Canadian parts distributor was also out of stock. They estimated 10 - 14 business days to order one up from the U.S.A. (Hitachi closed their consumer electronics division in Canada back in 2009.)

By chance, I checked with another service rep in an adjacent town. He had a board for the P55. We did a visual comparison on the two boards and determined that it would be compatable.

The easy part was removing the defective SDR-U board and installing the replacement. The hard part was re-alinging the three ribbon tabs into the respective connectors on the SDR board. Be careful with these ribbons. The other end of each is fused to the plasma panel screen, so if you damage them, your screen is rendered useless.

I initially had the same problems as others have posted with having black or gray lines on the screen when the SDR-U was replaced. After gently adjusting the position of the ribbons as they are seated in the connectors, the lines disappeared. This was a slow and frustrating procedure, but it worked, Be patient.






May 29, 2010 | Hitachi P50H401 50 in. Plasma HDTV

2 Answers

I got new power supply for my tv and still doing same thing, blue lite stays on only way to turn of is up plug it its a hitachi 50s601 plasma little more then 1 yr old, i talk to a tech and he maybe a...


blue light on is a good indication that the power supply is up not always but not replanding to commands is always the main board the cpu and commands are not talking

Nov 30, 2009 | Hitachi P50S602 50 in. Plasma TV

1 Answer

My hitachi P50H401 will not turn on. No sound no


check your sdr boards. you can test them with a multi meter. they are known for going bad. what happens is the two caps by the output go bad on the power supply and they make the sdr boards burn out. you can replace the two caps and save lots of money. then please check out this web page http://www.hometheatershack.com/forums/hitachi/38229-hitachi-p50h401-led-flashes-3-times.html

This web page has info about repairing these. The 4 flashing lights maybe the x sus or the y sus but it's still a good idea to check the sdr boards since its a common failer. I had one tv with a bad sdr board flash 3 time and another set it was flashing 4 times.

Nov 16, 2009 | Hitachi P50H401 50 in. Plasma HDTV

3 Answers

The top half of tv has lots of horizontal lines going across bottom half ok


Was it dropped?
It sounds like panel has been damaged. There is an array of very fine connections on the top or bottom and the left or right (one each) and if you break the connecitons it looks like you describe.
Does it look like this? http://i16.photobucket.com/albums/b22/Ubermateo/vaioVertLines.jpg ?
-=/ MLF /=-

Oct 20, 2009 | Hitachi 55HDS69 55 in. Plasma Television

1 Answer

Broken PLasma Display panel , hitachi p50h401


Hi i am needing a SDR-U pannel for this moddel tv its No: on it is ND60200-0047 My email is jigi1@hotmail.com please could you give me a price for this model SDR-U board thanks in advance

peter

Jun 14, 2009 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Hitachi P50H401 no power but when i replace sdr-u board


I just solved this problem on my TV. I replaced my SDR board and had the same lines. I reseated all of the connections, and gently pushed them in until I felt a slight pop. once I felt that I gently pulled on them to make sure they would stay in place. if they did I closed the locking lever if not, I repeated this action. then simply turned the TV on and all of the lines were gone.

Apr 30, 2009 | Hitachi P50H401 50 in. Plasma HDTV

1 Answer

Hitachi 50" Plasma (P50X01AU), power light comes on but no screen


Hope you already resolve it, if not, here what I went through 1. Try to get a service manual for your model ($10-18) from http://www.service-docs2.com or similar place. 2. Open the back and follow instructions how to remove and test the SDR-D and SDR-U board on the far left (take one off, see if you could see half the picture). Inpsect the chips on those two boards, you might be able to spot the burned out holes (that would be the defected board, seemed to be a known issue for particular models) 3. If it is the board, go to ebay and get the pulled out board replacement ($70-90) I fixed my 50 inch plasma this way

Apr 26, 2009 | Hitachi 42HDT79 42 in. Plasma Television

1 Answer

Hitachi 55 inch went black and standby light stays on


Hope you already resolve it, if not, here what I went through 1. go to http://www.service-docs2.com or similar place to get a service manual for your model ($10-18) 2. Open the back and follow instructions how to remove and test the SDR-D and SDR-U board on the far left (take one off, see if you could see half the picture). Inpsect the chips on those two boards, you might be able to spot the burned out holes (that would be the defected board, seemed to be a known issue for particular models) 3. If it is the board, go to ebay and get the pulled out board replacement ($70-90) I fixed my 50 inch plasma this way

Mar 21, 2009 | Hitachi 55HDS69 55 in. Plasma Television

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