Sanyo DP46840

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  • cj_reha
    Mystery 80s Sanyo cap - perhaps polymer?
    by cj_reha
    Hey all I've been working on a 1984 Sanyo 27" color TV which had a smattering of bad caps in the video switching circuit. I found this oddball little 1uF 25V cap which looks to me like an early polymer, but I can't find concrete info proving it. I know Sanyo was a big player in early polymer cap development and this is the time period where they were just getting on the market, so I'm wondering if anyone has crusty old datasheets that could help identify it and determine if my suspicions are right? It has the same epoxy end seal and font/formatting as some old stock Os-Cons I've got laying...
    01-06-2023, 09:24 AM
  • Srdjan01
    IPhone 12 ProMax - Thoughts of (not so young) apprentice
    by Srdjan01
    Hi guys.
    I'm working on my first board reballing.
    It's iphone 12 pro max and I made a mistake(s), but now to learn something, I hope.
    Either I overheated the board and two ics fell off on it's own, or I clumsily took of top board and knock them off. Adrenaline was high at that moment so I do not recall best.
    I repaired the damage by putting these components back in place. In some moment I begin tinkering about my future steps and about the fact that I have used low melt solder (138C) to put those components back. My line of thoughts was something like, if I use same solder...
    03-17-2025, 02:49 AM
  • toddw65
    Sanyo DP5834 - Gray Screen
    by toddw65
    Hey All,

    I have a Sanyo DP5834 that did have an issue with the backlights, but I disassembled the unit and repaired the LED strips by resoldering all of the connectors. Now I've reassembled it and I have backlights and sound, but a grayish screen. I can tap on the screen and see that it's on, but no picture. All voltages seem to be correct on the power board.

    Based on the LCD Flat panel TV troubleshooting guide by Bud Martin, I'm thinking the T-Con has failed because I'm getting 12v both into and out of FP1 on the T-Con. Am I on the right track?

    Thanks,...
    10-31-2024, 10:37 AM
  • zomi
    Manual cof bonding success rate ?/ feedback wanted
    by zomi
    Just wanted to get some feedback,
    whats peoples' success rate with cof bonding repairs.....
    09-23-2024, 12:45 PM
  • valvashon
    Repair Success! Middle Atlantic UPS2200R-IP
    by valvashon
    Yesterday I successfully repaired a Middle Atlantic UPS2200R-IP that had inadvertently been used as a surge suppressor at our transmitter site. It has already been replaced with an updated one but it's coming home with me now instead of being e-cycled. To be specific, this is the MA model that has the blue backlit display and has been discontinued, although this design may have been used in many UPS units including the smaller Middle Atlantic ones in this series.



    Here's what happened: We experienced a brownout/surge at the site, which damaged the UPS and took our broadcasting...
    02-06-2024, 12:54 PM
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