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Philips 32PFL5322D/37 power supply repair

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    #41
    Re: Philips 32PFL5322D/37 power supply repair

    Found another pic on the power board on the Internet at

    http://s.ecrater.com/stores/165223/4...f5_165223b.jpg

    R100 also seems to show the same color bands.
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      #42
      Re: Philips 32PFL5322D/37 power supply repair

      Found this when searching for "32PFL5322D/37 r100"

      http://www.dtforum.net/index.php?act...topic=116979.0

      It is spanish, but the poster says R100 is 1 hom R112 1k.

      edit: I might believe the R112 was originally 1k, but maybe the seller didn't have one and just used the next closest value?
      Last edited by retiredcaps; 01-27-2012, 03:29 PM.
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        #43
        Re: Philips 32PFL5322D/37 power supply repair

        This is rather embarrassing, but I went back and checked the resistance on the patch R112 resistor. It is 996 ohms . I checked it before I replaced the controller, then forgot to recheck it with the short removed.

        Anyway, I'll get a new 1k ohm resistor to replace the one that is reading open circuit. I'll report back with any progress!

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          #44
          Re: Philips 32PFL5322D/37 power supply repair

          Originally posted by rpgruss View Post
          Anyway, I'll get a new 1k ohm resistor to replace the one that is reading open circuit. I'll report back with any progress!
          I think R100 is 1 ohm. If you don't use google translate from spanish to english, I think it is 1 ohm (not 1k). Look at the formatting. It looks like he put in tabs to denote the different values.

          If you are running out to get a new one, get both.
          Last edited by retiredcaps; 01-27-2012, 03:47 PM.
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            #45
            Re: Philips 32PFL5322D/37 power supply repair

            1 ohm would also be brown black gold gold. I don't know about the violet?
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              #46
              Re: Philips 32PFL5322D/37 power supply repair

              I used google to translate, I know about 5 words of Spanish, but now that I look I see it was covered up by the translator. I'll get a 1 ohm.

              Just out of curiosity, which would be worse for the circuit if it were wrong: 1 ohm or 1 k ohm? My instinct says 1 ohm would be worse.

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                #47
                Re: Philips 32PFL5322D/37 power supply repair

                Originally posted by rpgruss View Post
                Just out of curiosity, which would be worse for the circuit if it were wrong: 1 ohm or 1 k ohm? My instinct says 1 ohm would be worse.
                I guess you can try 1k first and if it doesn't work, then put in the 1 ohm.

                Otherwise, before trying, let's see what others think. I have limited experience in reading these resistor codes and all the online calculators say it is invalid with violet being the 5th band.

                A schematic or even a parts list (BOM) for R100 would make this easy.
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                  #48
                  Re: Philips 32PFL5322D/37 power supply repair

                  Retiredcaps, I trust your judgement, you haven't steered me wrong yet. I'll get the 1 ohm and put it in. Even if it doesn't fix it, I've learned a ton about how power supplies work. Makes me wish I would have made the leap from board swapping to component fixing much sooner!

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                    #49
                    Re: Philips 32PFL5322D/37 power supply repair

                    Judging by the position in the circuit, it's definitely 1 ohm. Not sure what the last violet band is doing there, but brown black gold gold is 1 ohm 5%.
                    Originally posted by PeteS in CA
                    Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
                    A working TV? How boring!

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                      #50
                      Re: Philips 32PFL5322D/37 power supply repair

                      Originally posted by Th3_uN1Qu3 View Post
                      Judging by the position in the circuit, it's definitely 1 ohm. Not sure what the last violet band is doing there, but brown black gold gold is 1 ohm 5%.
                      What wattage would you recommend here?
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                        #51
                        Re: Philips 32PFL5322D/37 power supply repair

                        Originally posted by rpgruss View Post
                        I'll get the 1 ohm and put it in.
                        You might want to put on some safety glasses when powering on. If the R112 popped, it might do so again if we haven't identified all the shorts.
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                          #52
                          Re: Philips 32PFL5322D/37 power supply repair

                          Originally posted by retiredcaps View Post
                          What wattage would you recommend here?
                          It looks like a standard 0.25W affair from the pic.
                          Originally posted by PeteS in CA
                          Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
                          A working TV? How boring!

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                            #53
                            Re: Philips 32PFL5322D/37 power supply repair

                            Minor success! I put in the 1 ohm resistor. After I installed it, there is now a path all the way from the big cap to the drain on the controller. I plugged it in, and now have 5v on the standby pins!

                            However, it still does not work. Now, when everything is plugged in, both the blue and red lights on the front panel come on, then the blue light blinks 2x and turns off. The red light blinks in a pattern, 8 times, then pause, then 8 times, over and over. The only suggestions I found online were to replace the power supply, or the main board. Thoughts?

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                              #54
                              Re: Philips 32PFL5322D/37 power supply repair

                              Check the other output voltages when attempting to turn on.

                              The resistor looks closer to 0.5W but it's hard to guess without a scale. It's only a standby supply so 0.25W is most likely fine.
                              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.

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                                #55
                                Re: Philips 32PFL5322D/37 power supply repair

                                On the resistor: I used a 1/2 watt resistor, so shouldn't be any worries there.

                                As for the voltages, if all the 5v lines stay on during power up, but all the 12v lines come up very briefly, less than 1 second, then begin to fall back to 0. This is when connected to the main board. How can I turn on the power supply without being plugged in? I'm not sure if the main board is dragging down the 12v, or if it is being turned off by the power supply.

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                                  #56
                                  Re: Philips 32PFL5322D/37 power supply repair

                                  Originally posted by rpgruss View Post
                                  How can I turn on the power supply without being plugged in? I'm not sure if the main board is dragging down the 12v, or if it is being turned off by the power supply.
                                  Something like this via tom66 (5V standby to ps_on)?

                                  https://www.badcaps.net/forum/showpo...9&postcount=45

                                  Results in

                                  https://www.badcaps.net/forum/showpo...1&postcount=49

                                  edit: You might want to check all the output diodes as well for shorts.
                                  Last edited by retiredcaps; 01-27-2012, 09:08 PM.
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                                    #57
                                    Re: Philips 32PFL5322D/37 power supply repair

                                    Please post pictures of the logic board and the inverter board (just in case).
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                                      #58
                                      Re: Philips 32PFL5322D/37 power supply repair

                                      Pictures are incoming. Also, I don't have an STB, at least by that name. I've been working off the diagram found at http://www.justanswer.com/tv-repair/...-off-will.html and attached to this message.

                                      There are bigger problems right now though. When I plug in the power supply, even with nothing connected, I get the unmistakeable odor of burning electronics. I've felt around and nothing seems hot, and I still have a steady 5.17v coming off standby. Where should I be looking, or just run it until the failed part sends up a smoke signal?
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                                        #59
                                        Re: Philips 32PFL5322D/37 power supply repair

                                        Originally posted by rpgruss View Post
                                        I've been working off the diagram found at http://www.justanswer.com/tv-repair/...-off-will.html and attached to this message.
                                        I wonder if it is pin 11?

                                        When I plug in the power supply, even with nothing connected, I get the unmistakeable odor of burning electronics.
                                        Did you replace R112 with a new one? If yes, is it a 1/4 or 1/2 watt resistor?

                                        Personally, I would not run it until magic smoke. I would take a 10x jewelers loupe and examine everything in the 5V standby rail to see what might be wrong.
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                                          #60
                                          Re: Philips 32PFL5322D/37 power supply repair

                                          I thought it was pin 11 as well, but it had 5v on it all the time.

                                          I will start going over the 5v rail and report back. I did replace R112, it was replaced with a 1/2 watt resistor, same size.

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