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Post AxAr4bzrKDEOZWHGF6 by [email protected] |
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More posts by [email protected] |
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Post #Ax6YK46ERjXCJV4dMW by [email protected] |
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I need advice on how to adjust the float voltage of this old battery charger.Th… |
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Post #Ax6iND3wZqweWS8qB6 by [email protected] |
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@KrajciTom A float voltag of less than 13.8V seems to boil off fewer batteries.… |
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Post #Ax6iNDAKC836qF7w7k by [email protected] |
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@zl2tod I have used this charger many times. It pushes amps up until only 13.15… |
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Post #Ax6iNDKFbDzNL1lray by [email protected] |
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@KrajciTom ... I'd guess they are 222Ω and 182Ω but I'm not entirely … |
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Post #Ax6iU8NyMes22noOSO by [email protected] |
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@zl2tod I don't have a schematic, and I'm not good at analyzing circuit… |
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Post #Ax6lbQ5DGQY0ozCd0q by [email protected] |
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@KrajciTom Can you photograph the back of the board, and transcribe the part nu… |
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Post #Ax6lbQAsvL5J6Zr9qy by [email protected] |
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@zl2tod SCR1 = TYN225SCR1 = TYN225Q1 = C9012 G 916Q2 = 2N4401Q3 = 2N4401Q4 = … |
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Post #Ax6p9Mi0cDqy44E9dQ by [email protected] |
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@KrajciTom There are just a few points between maintained and boiled dry. I sug… |
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Post #Ax72mPvLtUWwjaQ6u8 by [email protected] |
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@KrajciTom I would not mess around with this. I'd not bother about small di… |
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Post #Ax72mQ2nRoU96fu3VY by [email protected] |
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@darryl_ramm This is for a variety of lead-acid batteries I have. Smallest is l… |
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Post #Ax76AiHpZdSkUtDA4O by [email protected] |
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@KrajciTom This looks like it might be a float only “battery tender”. Do yo… |
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Post #Ax76AiOZAaqmpmMXZI by [email protected] |
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@darryl_ramm It's surprising I've gotten along all these years with thi… |
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Post #AxAr4bs3nCzcBKd25Q by [email protected] |
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@KrajciTom Ta, I suppose I should have expected SCRs in a battery charger.The T… |
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Post #AxAr4bzrKDEOZWHGF6 by [email protected] |
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@KrajciTom And here's what I have so far for the schematic. This is likely … |
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Post #AxAr4c6wtqu0vVavIG by [email protected] |
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@zl2tod Apologies for delay in responding.Here are some closer photos to start … |
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Post #AxAs3idBH1RqoPo9RI by [email protected] |
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@KrajciTom @zl2tod The TL431 is the voltage reference here. The voltage is most… |
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Post #AxAs3ikGqf7TAP7oUS by [email protected] |
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@owiecc @zl2tod FYI - some closer photos and labels of the two resistors r?a … |
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Post #AxB9jSleLGbYzoGBWK by [email protected] |
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@owiecc @zl2tod I soldered a 100kohm resistor in parallel with R2. The float vo… |
