Polaroid TLA-04011c Red Light on, no power on

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • SlickClick
    Senior Member
    • May 2011
    • 91

    #81
    Re: Polaroid TLA-04011c Red Light on, no power on

    The text file you attached has no useful information in it...

    Comment

    • ryn0909
      Professor X
      • Apr 2011
      • 122
      • USA

      #82
      Re: Polaroid TLA-04011c Red Light on, no power on

      yea its relevance was to support the reason why there was a jumper soldered to the backside........ just incase you happen to buy a board and it has that on there, then you'll know why

      Comment

      • SlickClick
        Senior Member
        • May 2011
        • 91

        #83
        Re: Polaroid TLA-04011c Red Light on, no power on

        Im trying to avoid buying a board in hope to simply repair my current one...

        Comment

        • ryn0909
          Professor X
          • Apr 2011
          • 122
          • USA

          #84
          Re: Polaroid TLA-04011c Red Light on, no power on

          yea i hear ya there.... we're in the same boat. Ya know i got to thinking about the chain of events leading up till now with my tv, and somethings weird. This is why......
          Initially the tv was working fine, i hooked it up to a desktop pc to use as a monitor and all was well. I rebooted the pc, tv screen went black and never came back on. I would get the red standby light come on when i plugged in the power cord, but that was all. No blue light or backlights would come on.
          So i bought the FIRST mainboard (used) installed it and the tv would power on, blue light on, backlights on, and i would get a BLUE Screen but no polaroid logo or anything else. i sent that board back and bought the SECOND mainboard (used), which is the one i currently have. Now this is where things change, i get the tv to power on, blue light on, backlights on, but no blue screen, its black. now thats where its throwing me off, because im starting to think it might be something other than the mainboard..........

          Comment

          • SlickClick
            Senior Member
            • May 2011
            • 91

            #85
            Re: Polaroid TLA-04011c Red Light on, no power on

            Well first thing is do you still have your original MB..? did you test your power supply..?

            Its not weird as to how it happened... my buddy who gae me the TV said he was watching it... turned it off one night and the next day nada...

            Comment

            • ryn0909
              Professor X
              • Apr 2011
              • 122
              • USA

              #86
              Re: Polaroid TLA-04011c Red Light on, no power on

              yea i still have the original main board, and i have not done any tests on the power supply.... the fact that it quit working isnt what i find weird, its the difference between the FIRST and SECOND boards that i purchased..... one gives me a black screen the other gave me a blue screen...

              Comment

              • ryn0909
                Professor X
                • Apr 2011
                • 122
                • USA

                #87
                Re: Polaroid TLA-04011c Red Light on, no power on

                hey slick, have you had any luck yet?? the guy who sold me the board, has apparently fallen ill and so im waiting for him to get better.....

                Comment

                • ryn0909
                  Professor X
                  • Apr 2011
                  • 122
                  • USA

                  #88
                  Re: Polaroid TLA-04011c Red Light on, no power on

                  Originally posted by SlickClick
                  Well first thing is do you still have your original MB..? did you test your power supply..?

                  Its not weird as to how it happened... my buddy who gae me the TV said he was watching it... turned it off one night and the next day nada...
                  Nice...... no final solutions here so you just bail out huh? so much for teamwork.

                  Comment

                  • ryn0909
                    Professor X
                    • Apr 2011
                    • 122
                    • USA

                    #89
                    Re: Polaroid TLA-04011c Red Light on, no power on

                    Hey PlainBill, i have a question that may help shed new light on my issue here. So i bought the FIRST mainboard (used) installed it and the tv would power on, blue light on, backlights on, and i would get a BLUE Screen but no polaroid logo or anything else. i sent that board back and bought the SECOND mainboard (used), which is the one i currently have. Now this is where things change, i get the tv to power on, blue light on, backlights on, but no blue screen, its black. what does that sound like to you???

                    Comment

                    • tom66
                      EVs Rule
                      • Apr 2011
                      • 32560
                      • UK

                      #90
                      Re: Polaroid TLA-04011c Red Light on, no power on

                      Originally posted by ryn0909
                      Hey PlainBill, i have a question that may help shed new light on my issue here. So i bought the FIRST mainboard (used) installed it and the tv would power on, blue light on, backlights on, and i would get a BLUE Screen but no polaroid logo or anything else. i sent that board back and bought the SECOND mainboard (used), which is the one i currently have. Now this is where things change, i get the tv to power on, blue light on, backlights on, but no blue screen, its black. what does that sound like to you???
                      A black screen seems to indicate that the LCD is blocking light - if you disconnect the LVDS does the screen (slowly) go white?
                      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

                      • PlainBill
                        Badcaps Legend
                        • Feb 2009
                        • 7034
                        • USA

                        #91
                        Re: Polaroid TLA-04011c Red Light on, no power on

                        Originally posted by ryn0909
                        Hey PlainBill, i have a question that may help shed new light on my issue here. So i bought the FIRST mainboard (used) installed it and the tv would power on, blue light on, backlights on, and i would get a BLUE Screen but no polaroid logo or anything else. i sent that board back and bought the SECOND mainboard (used), which is the one i currently have. Now this is where things change, i get the tv to power on, blue light on, backlights on, but no blue screen, its black. what does that sound like to you???
                        It sounds like you have boards with two different problems. A blue screen USUALLY indicates the video processor is signalling a 'No Signal' condition. A black screen could be no signal out of the video processor

                        PlainBill
                        For a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.

                        Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.

                        Comment

                        • ryn0909
                          Professor X
                          • Apr 2011
                          • 122
                          • USA

                          #92
                          Re: Polaroid TLA-04011c Red Light on, no power on

                          well i guess it doesnt surprise me that both boards would have separate issues. the seller of the second board was helping me to try and figure out what was going on. but ever since i brought this same question to his attention, he hasnt responded. so im becoming more convinced that this second board has an issue as well. On a side note, i did figure out a way to take "good quality & close-range" pics with my camera phone. I utilized one of the lens's from an old cdrom drive and attached it to my camera phone, with scotch tape.... i attached a sample pic
                          Attached Files

                          Comment

                          • ryn0909
                            Professor X
                            • Apr 2011
                            • 122
                            • USA

                            #93
                            Re: Polaroid TLA-04011c Red Light on, no power on

                            Originally posted by tom66
                            A black screen seems to indicate that the LCD is blocking light - if you disconnect the LVDS does the screen (slowly) go white?
                            i unplugged the lvds cable and there was no change..... so would it be either the lvds cable or tcon board??

                            Comment

                            • PlainBill
                              Badcaps Legend
                              • Feb 2009
                              • 7034
                              • USA

                              #94
                              Re: Polaroid TLA-04011c Red Light on, no power on

                              Originally posted by ryn0909
                              well i guess it doesnt surprise me that both boards would have separate issues. the seller of the second board was helping me to try and figure out what was going on. but ever since i brought this same question to his attention, he hasnt responded. so im becoming more convinced that this second board has an issue as well. On a side note, i did figure out a way to take "good quality & close-range" pics with my camera phone. I utilized one of the lens's from an old cdrom drive and attached it to my camera phone, with scotch tape.... i attached a sample pic
                              Son of a gun!!! That is an excellent picture. Well, the field of view leaves a little to be desired, but it is easy to identify the IC.

                              PlainBill
                              For a number of reasons, both health and personal, I will no longer be active on this board. Any PMs asking for assistance will be ignored.

                              Never be afraid to try something new. Remember, amateurs built the ark. Professionals built the Titanic.

                              Comment

                              • ryn0909
                                Professor X
                                • Apr 2011
                                • 122
                                • USA

                                #95
                                Re: Polaroid TLA-04011c Red Light on, no power on

                                hehehe well thank you, im glad i was able to produce a good quality pic. yea the field of view is what im trying to fix without degrading the quality..... lol ill get it figured out


                                this is the widest view i could achieve with what i had to work with....
                                Attached Files
                                Last edited by ryn0909; 07-22-2011, 01:37 AM. Reason: update

                                Comment

                                • tom66
                                  EVs Rule
                                  • Apr 2011
                                  • 32560
                                  • UK

                                  #96
                                  Re: Polaroid TLA-04011c Red Light on, no power on

                                  Originally posted by ryn0909
                                  i unplugged the lvds cable and there was no change..... so would it be either the lvds cable or tcon board??
                                  Sounds a lot like the backlight then.
                                  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

                                  • ryn0909
                                    Professor X
                                    • Apr 2011
                                    • 122
                                    • USA

                                    #97
                                    Re: Polaroid TLA-04011c Red Light on, no power on

                                    Originally posted by tom66
                                    Sounds a lot like the backlight then.
                                    but the backlights are on.....

                                    Comment

                                    • tom66
                                      EVs Rule
                                      • Apr 2011
                                      • 32560
                                      • UK

                                      #98
                                      Re: Polaroid TLA-04011c Red Light on, no power on

                                      Originally posted by ryn0909
                                      but the backlights are on.....
                                      Well, that is unexpected... maybe the LCD is a normally black display but I thought most were normally white.
                                      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

                                      • ryn0909
                                        Professor X
                                        • Apr 2011
                                        • 122
                                        • USA

                                        #99
                                        Re: Polaroid TLA-04011c Red Light on, no power on

                                        so what problem does that indicate?

                                        Comment

                                        • tom66
                                          EVs Rule
                                          • Apr 2011
                                          • 32560
                                          • UK

                                          #100
                                          Re: Polaroid TLA-04011c Red Light on, no power on

                                          Originally posted by ryn0909
                                          so what problem does that indicate?
                                          Main board or TCON. Unlikely to be PSU, but it could be...

                                          This is why I hate repairing cheap electronics, there is rarely a simple answer to a problem.

                                          I haven't read through the thread thoroughly, can you give me a run down of problems you have and tests you have done?
                                          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

                                          Related Topics

                                          Collapse

                                          • PantherDave
                                            Microsoft Surface Pro (5th gen) model 1796 - no power
                                            by PantherDave
                                            Hi all!

                                            I'm trying to troubleshoot a Microsoft Surface Pro (5th gen) model 1796 that won't power on. Motherboard model is M1007506-015. My priority is retrieving data, but the SSD is integrated so it looks like if I can't repair it it'll need to go to a data recovery company. I've done a little basic board repair before, but nothing this advanced until now. So please forgive my ignorance in advance. 😅

                                            I found the boardview for this laptop in the forums here, and am able to open it on my PC with FlexBV.
                                            https://www.badcaps.net/forum/troubl...-hardware-devi...
                                            05-29-2024, 02:01 PM
                                          • ipatch
                                            troubleshooting microsoft surface pro 4 no power no led charge light
                                            by ipatch
                                            hello, �� i have been sitting on some microsoft surface pro 4 tablets for a while now. i was originally tasked with replacing the battery in one of the tablets, and ended breaking the screen and logic board in the process. decided to buy another tablet with the same specs. got that screen off successfully of the second tablet. the logic board appeared good, but i guess i shorted something out in the installation process of the logic which i've read is a common issue if there is no barrier between the logic board and battery pins. all that said, i ate costs of the repair and have...
                                            10-05-2023, 11:59 AM
                                          • russpall
                                            LG 39ln540v - red light flashes twice, no power to LED driver?
                                            by russpall
                                            Hi there,

                                            I've got a 39" LG 39LN540V that's just spontaneously stopped working! The symptoms are - when I plug it in, the red light will flash on twice, then go out, there's no visible picture, and I couldn't see anything using a torch on the panel either. If I press the power button (either remote or on TV), the red light comes on continuously. If I press power again, the red light flashes twice.

                                            The TV is using a power board EAX64905301. I've attached a diagram of the power output, I've tested the voltages with a multimeter and I'm getting the following:
                                            ...
                                            08-27-2024, 01:07 PM
                                          • sam_sam_sam
                                            Desoldering gun station modified to use a 18 volt @ 20 amp switching power supply
                                            by sam_sam_sam
                                            I have wanting to do this project for quite sometime now and I finally found a switching power supply that will work on this desoldering gun station ZD-915 that the original switching power supply took a shit and just was not worth trying to fix it because this switching power is not quite big enough to handle the heater element and the vacuum pump

                                            One note when I tested the switching power supply and the voltage control board I noticed that this desoldering gun heat up much faster than the original switching power supply which I was really surprised by to the point that I might buy...
                                            03-31-2024, 02:12 PM
                                          • sam_sam_sam
                                            Laptop computer that went completely dead no boot no power light no hard drive light
                                            by sam_sam_sam
                                            See pictures for type of laptop computer

                                            I checked switching power supply brick 19.2 volts multi meter only

                                            No booting without switching power supply connected

                                            Checked switching power supply with an (28 volt ) incandescent light bulb it lights then hooked up the switching power supply again now the laptop and boots like normal

                                            What the heck is going on here...
                                            04-04-2025, 04:58 AM
                                          • Loading...
                                          • No more items.
                                          Working...