HDMI - how to test it

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  • Tynan Dill
    Vizio e601i-A3 - Has Sound and Display, But No Backlight - Bad Power Supply Board or Bad LED Bulbs ?
    by Tynan Dill
    I was given this TV from my great uncle. He said it just wouldn't turn on one day out of nowhere, replaced the TV, and gave it to me to possibly fix and use for myself.

    Upon bringing it home and plugging it up, it showed a standby light.

    I powered it on and without a flashlight, the display showed the "V" but the lighting is very dim, but visible.

    The screen seems to blackout and stay black, but with a flashlight I can see the display.

    With my Playstation 4 connected via HDMI, and running a game I can hear sound.

    Assuming...
    ORIGINAL POWER SUPPLY BOARD
    7 Photos
    11-22-2024, 01:46 PM
  • objecttothis
    Need Help Sourcing HDMI connector for GPU
    by objecttothis
    I have an MSI Ventus 3X OC nVIDIA RTX 3070 with a damaged HDMI connector. The display is recognized but no display output due to the damaged right-side of the connector. I've got the board apart and the back of the HDMI connector is stamped Astron. The problem is that their site has 30 pages of HDMI type A connectors (http://astron.com.tw/eng/product.php?idt=1&pid=3&cid=1). Does anyone know how to determine which part numbers are compatible and then where to source them?




    Also, I have some experience soldering but this will probably be the most challenging...
    10-11-2024, 12:51 PM
  • Tomylee
    No LCD image after connector replacement – lifted components and damaged resistor (Nintendo Switch Lite HDH-CPU-02)
    by Tomylee
    Hi everyone,

    Sorry for the person who’s going to read all this !
    I'm on a Nintendo Switch Lite, motherboard HDH-CPU-02.

    While replacing the left joystick, I had to remove the motherboard to access the connector underneath. When I lifted the LCD connector latch, it broke (the plastic had become brittle over time), so I replaced the entire connector.

    During the desoldering of the LCD connector using hot air, three small components located just below the connector (likely 0402 capacitors) came off and remained stuck to the bottom of the...
    07-11-2025, 11:52 AM
  • 5mall5nail5
    Help identifying connector for ASUS 4090 Strix RGB LED connector
    by 5mall5nail5
    Hi All -

    I had replaced my ASUS 4090 Strix cooler with a waterblock and put the stock cooler on the shelf. Was moving it and snagged my sweater on the connector and pulled the wires out of the pins on the RGB connector. I tried to get them back on but its too small so I opened the stamped pins and tried to solder but its not a good repair and the wire broke on reinstallation.

    Looking to replace the connector on the cable side and get pins to crimp onto a new cable. Bought random JST and such but nothing is correct. Can anyone help identify the connector and possibly matching...
    05-04-2025, 07:47 AM
  • chth96
    How Can I test PWM DM0365R?
    by chth96
    Hello
    I have power adaptor(220V/input, 12V 1.2A/output) which has symptom of fluctuating output DC voltage between 11.5V-12.2V.
    So I opened its plastic case and when switched it on, I heard constant tik tik sound from inside its PCB.
    I measured DC voltage between negative and positive pin of the largest capacitor(400v 10uf) and it was measured contant 300V.
    I also measured ESR value of all capacitors and I noticed that one of capacitor(KMG 16v 470uf), which located in the secondary side, have high ESR value(10 ohm),So I replaced it with same specification NXH capacitor....
    06-18-2025, 04:14 PM
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