Question about Samsung HPT5054 50 in. HD-Ready Plasma Television

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No Video on Samsung HPT5054

Bought used last week, used no problem for 20 hrs. Then no vid. Sometimes when turning on I see a very brief flash, sometimes just black. Hooked up a DVD player - audio but no vid. As I've not used a DVD player before, I assume the vid part was active while the audio ran. Hard to see what's going on when there's no vid. Also started the TV not attached to anything. No display menu. Nothing. Anyone know the next step? I could remove the back panel... but I'm really not a technician.

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  • Samsung Master
  • 33,294 Answers

Could be power supply failure

Posted on May 16, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: Samsung HP-R5052 50 bottom hallf screen turns black

its the lower buffer card.. (y buffer lower board) they cost about $90.. i changed mine myself on my samsung hpr-4262 42 inch plasma.. pretty easy,, took approz 20 minutes.. the card has 3 ribbon cables and 3 other connectors and 1 screw.. removing all the screws out of the back pannel took the most time.. i found the repair manual for my tv on line for $13 (download PDF file) the manual had a trouble shooting section and what board to replace for each problem.. got the manual from here http://store.payloadz.com/ ordered the replacement board from www.partstore.com

good luck

troy

Posted on Sep 24, 2008

  • 362 Answers

SOURCE: remot not working for Sens TV/DVD 19''

Hi sifrid,
Program the RCA remote with the instructions below, this will tell us if the problem is with the remote or the tv.

  1. Turn tv on.
  2. Press and hold tv button on remote
  3. While holding tv button press and hold power(on/off) button, led light shold go off then back on after a coupke of seconds.
  4. Release both buttons.
  5. Aim remote at tv and press the power(on/off) button every 5 seconds until tv turns off.
  6. When tv turns off press the stop button at bottom of remote, that will lock in the code.
  7. Turn tv back on with remote and test all buttons.
Let me know if this helps and please rate this solution. 
Lone99star 

Posted on Jan 27, 2009

circuitworld
  • 335 Answers

SOURCE: sound but no video HPT5054 Samsung

One of your transformers on the inverter board are failing to sustain regulated power to the florescent lamps resulting in a dark picture. Also check the SMD fuses on the inverter board(s) see if they have blown. You will need a continuity meter to check them. You can get one from radio shack and be sure to get one with audible sound....you don't have to replace boards when you can fix them.

Posted on Jul 10, 2009

  • 1 Answer

SOURCE: Fault with Samsung PS42S5H

sounds like the lower y-sus buffer! take off the back and give me the pcb number should start with Lj92

Posted on Aug 30, 2009

  • 1 Answer

SOURCE: Samsung LN-R408D - No Picture

My Mom's LNR408D also had sound but no picture. I was able to fix it by soldering in a jumper wire across a blown (1.5A ???) SMD picofuse on the "T-Con" board.
Consider attempting this ONLY if you: 0) Know enough to avoid the potentially fatal High Voltage parts of the power supply board!!!
1) Are a fearless hackazoid 2) know what you're doing with a soldering iron and teensie SMD parts 3) are gonna throw the busted thing out anyway so you have nothing to lose and won't be sad if you screw something up.
4) Know enough to avoid the potentially FATAL High Voltage parts of the power supply board!!!!!

74c09f0.jpg

This board is at the top center under a close fitting RF shield. The suspect part was labeled "CP" on the board and marked with "P" on the part. It is visible above the right-center of the connector from the main board. An ohmmeter showed it as open, so I bypassed it with a jumper wire from connector VIN to the hot side of C13. One image shows the suspect part and the jumper in place.

b761e87.jpg
The other shows the TCON board placement top-center (under its RF shield). With care, it seems possible to test the fuse and put the jumper in place without removing the shield. (Obviously don't touch anything else with the VOM leads!)

Thanks to ZORBUS and Steve's TV and Electronics for the idea.
http://www.avforums.com/forums/lcd-televisions/892447-no-picture-but-got-sound-my-samsung-lcd.html
http://www.gesda.com/transformer/Fall08_files/Page336.htm
Steve C

Posted on Sep 22, 2009

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If the red light flashes for a while, with a clicking noise while trying to turn on. It's either the ysus or xsus board, they are both easy to replace, my xsus board has blown twice, last board I bought off ebay £35 lasted 2 years. Just bought another for £16 + free postage.

If you can use a screwdriver & disconnect/connect a few ribbon cables & connectors, you'll save yourself £££s

google or search youtube for video guides, you won't be disappointed ;)

telltale signs are when the tv starts to make a clicking off/on sound while watching tv, without actually turning off, That's the time to look for a spare ysus or xsus board, before it blows. It could last months or weeks but better to be safe.

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One of your transformers on the inverter board are failing to sustain regulated power to the florescent lamps resulting in a dark picture. Also check the SMD fuses on the inverter board(s) see if they have blown. You will need a continuity meter to check them. You can get one from radio shack and be sure to get one with audible sound....you don't have to replace boards when you can fix them.

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Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

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