Alba 32" VESTEL 17MB62 Switches off on HDMI

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  • Alastair E
    Chief Womble
    • Mar 2013
    • 1963
    • U.K.
    #1

    Alba 32" VESTEL 17MB62 Switches off on HDMI

    Bit of an odd one--Initially the usual diode--one of the row of three, had failed on the PSU 17PW26....

    Replaced them and soak tested on DTV for some hours. Tried on HDMI and the set was fine for some minutes...
    --Then it turned itself off.

    I turned it back on, whereby it came on to DTV. I switched its sources to HDMI and it stayed on for maybe 5 seconds, then the set switched off--again.

    It'll run happily all day on DTV, but will not run for long--seconds in most tries--on HDMI.
    Picture etc is perfect and so is sound when the HDMI is working before the set shuts down.

    The set appears to work OK when switched to HDMI--With NO HDMI Input, but as soon as it has input--it shuts down some seconds later....

    Any ideas....?
    TELEFIX

    How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
    http://www.irf.com/technical-info/appnotes/an-1088.pdf
    PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!
    Tags: None
    • Shinju
      Badcaps Legend
      • Mar 2014
      • 1239
      • USA
      #2
      Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

      I have an RCA LED24B45RDQ that when I select HDMI it goes to a black screen then shuts down.

      I checked all the voltages I could and they all seem to be with in spec, so either its a bad controller chip or a eeprom issue. All other inputs work great. I have been using it as a monitor (VGA) for months now.

        Comment

        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK
          #3
          Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

          Could be corrupt software.
          From the service menu, you can an NVRAM download, and then upload files again to TV.
          (Forget the option - post a picture if unsure. It's one of them. You need an empty USB stick, it copies files off onto the stick for flashing a new TV with.)
          Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
          For service manual, schematic, boardview (board view), datasheet, cad - use our search.

            Comment

            • Alastair E
              Chief Womble
              • Mar 2013
              • 1963
              • U.K.
              #4
              Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

              Hi Tom,
              Not sure what you mean there......

              Plug a blank stick into set surely the F/W will be the same as it has now--which may--or may not--be suspect....

              Any procedures around to follow....?
              TELEFIX

              How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
              http://www.irf.com/technical-info/appnotes/an-1088.pdf
              PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!

                Comment

                • tom66
                  EVs Rule
                  • Apr 2011
                  • 32560
                  • UK
                  #5
                  Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

                  It will copy off the firmware and flash it again.
                  This can help fix flash degradation (flash memory may enter "phantom states" if has not been written in a while, due to heat causing charge loss.)
                  Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
                  For service manual, schematic, boardview (board view), datasheet, cad - use our search.

                    Comment

                    • Alastair E
                      Chief Womble
                      • Mar 2013
                      • 1963
                      • U.K.
                      #6
                      Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

                      Ah--so what you're saying is the set has a sorta hard-copy of F/W and another Operating-copy that it uses day to day....?
                      TELEFIX

                      How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
                      http://www.irf.com/technical-info/appnotes/an-1088.pdf
                      PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!

                        Comment

                        • Alastair E
                          Chief Womble
                          • Mar 2013
                          • 1963
                          • U.K.
                          #7
                          Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

                          Ok, Ive accessed the service menu, gone down to 'USB Operations' and with a Blank stick plugged in it blinks quickly summit USB, then back to the service-menu.

                          Does the stick need to be in some particular format? I think this one is FAT16, cant remember....
                          TELEFIX

                          How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
                          http://www.irf.com/technical-info/appnotes/an-1088.pdf
                          PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!

                            Comment

                            • tom66
                              EVs Rule
                              • Apr 2011
                              • 32560
                              • UK
                              #8
                              Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

                              Needs to be FAT32 & completely blank.
                              Check the files after before uploading

                              No second copy, but it should fail if checksum bad.

                              So you will have to retry until it passes.
                              Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
                              For service manual, schematic, boardview (board view), datasheet, cad - use our search.

                                Comment

                                • Alastair E
                                  Chief Womble
                                  • Mar 2013
                                  • 1963
                                  • U.K.
                                  #9
                                  Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

                                  Ah--OK.

                                  Here's what I did. As I couldnt get That to work, I did a 'factory-reset' anyway, and let the set go through all the usual first-time installations.

                                  I'm currently playing via HDMI and its been OK --So Far! Pushing 10 minutes now......

                                  Interesting in the Menu it lists Time Of Use--Not In HOURS, but in MINUTES!
                                  --Are they saying something to us about its expected reliability, that it has to be measured in Minutes LOL!

                                  --This one has done 89450 Minutes of use!--Equates to 1,490 Hours....
                                  TELEFIX

                                  How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
                                  http://www.irf.com/technical-info/appnotes/an-1088.pdf
                                  PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!

                                    Comment

                                    • tom66
                                      EVs Rule
                                      • Apr 2011
                                      • 32560
                                      • UK
                                      #10
                                      Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

                                      Most of the 25-4's I fixed have minutes ranging from 100,000 to 200,000... which is terribly short. But people keep buying them, so what can you do...
                                      Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
                                      For service manual, schematic, boardview (board view), datasheet, cad - use our search.

                                        Comment

                                        • Alastair E
                                          Chief Womble
                                          • Mar 2013
                                          • 1963
                                          • U.K.
                                          #11
                                          Re: Alba 32" VESTEL 17MB62 Switches off on HDMI

                                          Originally posted by tom66
                                          Most of the 25-4's I fixed have minutes ranging from 100,000 to 200,000... which is terribly short. But people keep buying them, so what can you do...
                                          Well--To be honest--You Cannot Blame Them--They DONT KNOW what they are buying!

                                          Last set they had was an Alba, set before That, Technika, and before that, Hitachi The new one a Sharp, one after that'll be a Bush--

                                          And ALL THE SAME VESTEL CRAP! Set LOOKS bit different, they'll ask you--how can it be the same.....

                                          How are they supposed to know....

                                          Set is still working on HDMI, not a blink or issue with it at all.....
                                          TELEFIX

                                          How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
                                          http://www.irf.com/technical-info/appnotes/an-1088.pdf
                                          PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!

                                            Comment

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