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  1. TexpertLLC

    A1398 Battery Issues

    No change with keyboard unplugged.
  2. TexpertLLC

    A1398 Battery Issues

    It's a new Apple charger. I will try unplugging the keyboard. thanks
  3. TexpertLLC

    A1398 Battery Issues

    Also forgot to mention fans are running non-stop and at max speed immediately upon boot.
  4. TexpertLLC

    A1398 Battery Issues

    Got a A1398 when it came in it would not power on and no light on charger (brand new charger 85w). When using older 85w charger green light shows solid but still won't power on. After disconnecting the battery for 30 seconds and reconnecting the battery, the machine automatically boots (with...
  5. TexpertLLC

    MBP A1286 - Early 2011 - Lines during boot loader, boot loop.

    MBP A1286 - Early 2011 - Lines during boot loader but lines go away for a moment before involuntary reboot. This same series of events continues to repeat. No batter installed bc batter was swollen and needs to be replaced for sure, but no going to replace battery if there is a logic board...
  6. TexpertLLC

    MB Air A1466 - No backlight after liquid exposure

    LOL. Thanks guys. I guess the sticky is a post on here. also i just found some tutorial slides i didnt realize we included with my schematics. Nope, I have thousands invested now, so no way I am giving up. I apologize for being so behind the curve here, but I will get this and then pass...
  7. TexpertLLC

    MB Air A1466 - No backlight after liquid exposure

    So I have two of these MB Air that have corrosion in about the same place. Should I just send these in to you or do you guys think this is something I can learn to do from here?
  8. TexpertLLC

    MBP A1278 - Won't power on, no green light on charger, but dim blinking orange light.

    Resistance to GND on L6995 measures PIN 1: 1.3 no charger, 1.5 to 1.6 with charger PIN 2: .8 with no charger, .7 with charger. Again sorry if that I'm not measuring it right, brand new to troubleshooting board repair. On a positive note I am pretty good at soldering once I figure out...
  9. TexpertLLC

    MBP A1278 - Won't power on, no green light on charger, but dim blinking orange light.

    LOL ikr, sorry Im such a newb, you would think after a year of watching Louis I would know this stuff, but I cannot find a single video where he shows exactly where to take your measurements. I really appreciate the help. Okay there is no reading on either side of L6995, and yeah the DMM is...
  10. TexpertLLC

    What PC based laptop model does Louis recommend?

    What PC laptop model(s) does Louis recommend? I know Louis likes Lenovo but what models are good at the moment because I know Lenovo has started putting out a lot of junk models too. I am asking for a recommendation for a laptop that will be used for email, web surfing, and college work. Needs...
  11. TexpertLLC

    MBP A1278 - Won't power on, no green light on charger, but dim blinking orange light.

    I am confused as to where exactly I am supposed to take the measurement at? In other words at what component should I measure with the probes?
  12. TexpertLLC

    MBP A1278 - Won't power on, no green light on charger, but dim blinking orange light.

    Hope this attached pic shows what you are looking for and yep this is a 3115.
  13. TexpertLLC

    MBP A1278 - Won't power on, no green light on charger, but dim blinking orange light.

    Please forgive me if I'm still not doing this right. I measured pin 4 and then pin 7 of U6990 and i'm getting 9.87 each time. Also I just noticed there is very faint clicking sound when the ac adapter is connected.
  14. TexpertLLC

    MBP A1278 - Won't power on, no green light on charger, but dim blinking orange light.

    Hey Duke and or others, just a reminder I still need some guidance on this repair. Thank you
  15. TexpertLLC

    MBP A1278 - Won't power on, no green light on charger, but dim blinking orange light.

    Hey Duke I have watched most of Louis' videos and searched elsewhere as well. I try not to ask about the elementary stuff, but could you point me in the right direction to learn the best way to check for pp3v42 and other power rails? This is a 820-3115 and I have checked at C7040 and gotten...
  16. TexpertLLC

    JBC JT-1D Pre-Purchase Survey

    Thanks for the help. I already bought the kit, and yeah that was about $400 wasted I guess. Oh well I am still stoked to have the JT-1D. I will check out JBC micro soldering tools next time I'm in the market.
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