Panasonic TX-40AX630B flashing green standby

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  • BobbyMJ
    Panasonic TC-P60S30 - no standby voltage
    by BobbyMJ
    Hi All,
    Wanting to learn some electronics repair skills.
    I found a non working Panasonic TC-P60S30 and this is my first project / attempt.

    So far I have found a blown cap on the main power supply board.
    After replacing it there's still no standby power.

    Poked around and found a resistor on the PSUB power supply board that measures open.

    An online resistor calculator shows this is a 93k ohm resister.

    My questions:

    Is that correct, 93k ohms?
    Is it a fusible resistor?
    Lastly, how do I know what wattage?...
    05-14-2025, 06:42 PM
  • matthewmcconaughey
    I need help with my friend Sony GDM-FW900 24” CRT
    by matthewmcconaughey
    Hello, Badcaps is my last resort. I am the first owner of the monitor. I reached almost every repair store in my area, but no one even wanted to hear about troubleshooting an old CRT monitor. At this point, I have been trying to figure it out by myself, but I have no idea where to start or look for.

    I wish to know how to think and locate a failing component. I will put all my efforts to learn and contribute.
    1. It started with a bright and greenish picture upon starting a cold monitor.
    2. About 2 years ago, only on the cold boot, the screen started to occasionally flash with
    ...
    05-16-2023, 03:15 PM
  • Green Probe
    Recapping a Denon AVR X6400h SMPS
    by Green Probe
    (TLDR: It was capacitor C6519 [Koshin KZH 50V22uF] and C6515 [Koshin KZH 25V47uF] on the power supply. I have questions at the end)
    Disclaimer: I'm an amateur hobbyist and will get things wrong.
    Always use caution when working around mains power and high voltage capacitors!
    Hey guys, I'm repairing a Denon AVR X6400h for my brother. It quit powering on after a power outage. It acted like this last time there was an outage, but after letting it sit overnight it started working again for a few years. This time letting it sit did not bring it back.
    SYMPTOMS:
    -No display...
    07-18-2025, 03:36 PM
  • Superbee_dad
    Sharp 80” long short flash backlight error - Help
    by Superbee_dad
    Hello Sharp TV experts
    Our Sharp LC-80LE642U displays one short one long flash error code which is a backlight error. I went into service mode and there were 8 lamp error counts recorded. I reset the count to 0 and did a reset. The last monitor error cause was 16 B00014639:12. 16 is the code for backlight error. I tried to power the tv up but went back into error mode.

    > I checked voltages on the power supply board and they all check out .. including 3.28 volts at the error pin.
    > There is power to the cpu and T-CONN and no faults found there. The cpu has a flashing...
    01-24-2025, 11:51 PM
  • Raulnn
    TD Systems K58DLX11US no image no backlight, standby green and red alternating
    by Raulnn
    Good afternoon! I have this TV with a Chinese combo plate. The symptom is that you turn it on and the standby LED goes on for a while, alternating red and green. In the end it remains green, but without image and without backlighting. I have measured voltages and they are fine, even the TCON has its correct reference voltages. I think it must be a firmware problem. What do you think?
    09-28-2023, 10:52 AM
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