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Panasonic TX-P42S30E - Does not turn on, the LED blinks 5 times.

MCMLXXV 8031 6
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  • #1 17060871
    MCMLXXV
    Level 10  
    Hello,

    I know that such a problem has already been practiced on this forum (https://www.elektroda.pl/rtvforum/topic2846548.html#13697171) unfortunately there is no solution there. The instructions show that 5 flashes are a problem with the 5V power supply. I checked it, but it looks quite reasonable for me - 4.95V. Has anyone else had a similar problem and managed to fix it?
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  • #2 17061059
    mirex
    Level 43  
    Why do you fix the plasmas when you can't even read (understand) the error code?
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  • #3 17061329
    MCMLXXV
    Level 10  
    OK, not a pleasant comment, but you are right, I have neither practice nor experience in repairing this type of TVs, so I am writing in this section, and I am mainly curious about it. At the moment I am looking for a schematic for TNPH0938 and a datasheet for C0DBAYY00931. So far, the gugiel somehow does not work, if you have it, be a good person and share. I already have a service manual for this model, but the C0DBAYY00931 that is responsible for SUB5V (P + 5V comes out of it) is shown only for illustration.
  • Helpful post
    #4 17061532
    mirex
    Level 43  
    LV5876
    http://pdf1.alldatasheet.com/datasheet-pdf/view/440389/SANYO/LV5876MX.html
    It's written on it!

    Scheme? Maybe this?
    https://www.elektroda.pl/rtvforum/topic17482-300.html#9982463
    And a whole lot of other GPF14s in our database.
    Or this?
    Attachments:
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  • #5 17061786
    MCMLXXV
    Level 10  
    I already had the manual and as I wrote, there is no electrical diagram, only a demonstration:

    Panasonic TX-P42S30E - Does not turn on, the LED blinks 5 times.

    which is hard to come from, as a foot is the output, what input and what control signal.

    But for the bearings on the inverter, thanks a lot and hands up.
  • Helpful post
    #6 17061875
    mirex
    Level 43  
    And I tell you that there are also service pages in our database, in which there are schematic diagrams of this chassis, and the links are provided!
    There is also service support - https://www.elektroda.pl/rtvforum/topic1497489-60.html#12887241
    Just go in, enter GPF14 and wiooo ... ;)
    https://www.elektroda.pl/rtvforum/schematy.html
    https://www.elektroda.pl/rtvforum/inputs.php
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  • #7 17062178
    MCMLXXV
    Level 10  
    Thanks again, interesting stuff especially this "Technical Guide & Troubleshooting Flowchart". I need to read a little.
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Topic summary

The discussion revolves around the Panasonic TX-P42S30E plasma TV, which fails to turn on and exhibits a blinking LED error code of five flashes, indicating a potential issue with the 5V power supply. The user has measured the voltage at 4.95V, which seems acceptable. Several forum members provide insights, including the need for a schematic for the TNPH0938 and a datasheet for the C0DBAYY00931 component responsible for the SUB5V output. Helpful links to service manuals and schematic diagrams are shared, emphasizing the importance of understanding the error codes and troubleshooting steps for effective repair.
Summary generated by the language model.
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