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  1. spike1947

    Ryobi 4v cordless drill

    Hi Tks for your reply, I have done the schematic had per what is on the pcb, will check again for any errors. cheers
  2. spike1947

    Ryobi 4v cordless drill

  3. spike1947

    Ryobi 4v cordless drill

    Hi Yes tks for that. Spike
  4. spike1947

    Ryobi 4v cordless drill

    Hi 1: Thanks for your reply, not sure what I was expecting tbh, well I thought I would of got a full charger voltage reading or near enough !. 2: Sorry I don't understand what you are meaning "The component circled in yellow does not look right to me, no gaps on a T-92 style package". 3: Can...
  5. spike1947

    Ryobi 4v cordless drill

    Hi I have this in a "Eagle" schematic, but the site won't let me upload that type of file !. Spike
  6. spike1947

    Ryobi 4v cordless drill

    Hi again Can you pls tell me what you think is incorrect ?. cheers Spike
  7. spike1947

    Ryobi 4v cordless drill

    Hi Tks for your reply, yes sorry my bad, I don't know how I named that incorrect. cheers Spike
  8. spike1947

    Ryobi 4v cordless drill

    Hi Made the schematic in Eagle, but it won't let me upload that !. cheers Spike
  9. spike1947

    Ryobi 4v cordless drill

    Hi Tks for your reply, getting 6.7v at the charger input at the board !. cheers Spike
  10. spike1947

    Ryobi 4v cordless drill

    Hi Tks for your reply, yes did fit another Litho batt, was showing @3.95v !. cheers Spike
  11. spike1947

    Ryobi 4v cordless drill

    Did a test from neg lead onto board and first pin on D1 and getting 6.7v then tested the other side of D1 , no voltage !,
  12. spike1947

    Ryobi 4v cordless drill

    Hi Sorry not been into electronics for quite awhile so a bit slow !. Have a Ryobi 4v cordless drill, problem not charging, voltage at input 6.2v!, what do I have to check in between ?. have done a schematic, but not sure, if it is the correct way !. Have done a schematic ! cheers Spike
  13. spike1947

    Testing LED's

    Hi I wouldn't know what size resistor to use ! cheers Spike
  14. spike1947

    Testing LED's

    Hi I am trying to replace some dead LED's on a couple of strips from a LED TV, tested a row of 4 using 12.2 v dc and it shows 2 working, now I am trying test a single LED using 3.23 v dc ( 2xAAA Bats ) , but even the good ones are not lighting with that voltage, what am I doing wrong here ...
  15. spike1947

    Akura Retro Phono n BT Player AITVS550 BTRB

    Hi Have ordered some from fleabay , $7 for 10 pcs !
  16. spike1947

    Akura Retro Phono n BT Player AITVS550 BTRB

    Hi Thanks for your reply, yes that would be good, the thing is there is lots of 4054 ending and begining with extra letters, these only have the 4054 stamped on them, so I really don't know what the make of these are !. Cheers Spike
  17. spike1947

    Akura Retro Phono n BT Player AITVS550 BTRB

    Found the same burnt out chip on both boards . 4054, Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT spike
  18. spike1947

    Akura Retro Phono n BT Player AITVS550 BTRB

    IC's as in order left to right as per pic uploaded: 1st: top 28pin, BK3254SS28B 2nd: top 8pin, HT1535A 1st: bottom 6pin, B6286T 2nd: bottom 16pin, YD3412
  19. spike1947

    Akura Retro Phono n BT Player AITVS550 BTRB

    Hi Thanks for your reply, yes will do that. cheers Spike
  20. spike1947

    Akura Retro Phono n BT Player AITVS550 BTRB

    Hi Thanks for your reply, on one of them the charging light comes on and a blue ( bluetooth ) led comes on then blinks and I can connect my phone to it, but then after a short time it goes off and only the charging light remains on, but no activity with the turntable motor activating !. on the...
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