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  1. W

    00165 no backlight

    removed u7701 and tested a5 and both LCD BKLT BOOST and has continuity to d7701
  2. W

    00165 no backlight

    yes but where? there is no test point on the other side that matches with the board view! Im so very confused. Where is XW7720 on the board? I understand that a trace is missing and needs to be fixed. All im asking for is a little help on where i need to be running the trace since boardview...
  3. W

    00165 no backlight

    if its a trace bridge between those two why do i still have continuity between those two points? spent a couple min looking for that video and couldnt find it. have any idea where it is?
  4. W

    00165 no backlight

    No Title okay found the missing testpoint! my question is on board view there shows xw7720...but on the board there is no such part! where do i run the wires for this testpoint???????
  5. W

    00165 no backlight

    c7701 - 5.13 blk_en 2.851 r7714 - 0v r7704 - 1.469 r7716 - 0v c7711 - pin1 - 3.325 pin 2 - 0 r7755 - 0
  6. W

    00165 no backlight

    I know, if you check my first post there was no short. when i put power it busted the fuse and cracked the cap. that created the short.
  7. W

    00165 no backlight

    okay fuse broke again and it cracked c7799. replaced them both and now have a stable 8.49v going to backlight. is the backlight ic bad again?
  8. W

    00165 no backlight

    was liquid damaged around lcd side. sent through ultrasonic clearer. replaced the fpc, backlight ic and filter. powered on and it blew the filter. Where should i start to find out the short? i checked the caps and none seem to be short.
  9. W

    820-3023

    no water damage.
  10. W

    820-3023

    got a 820-3023 with a weird problem. Board turns on perfect with a charged battery. - Has no audio -when you plug in magsafe screen turns off (unpluging it screen turns back on) -get no green/orange light -will not power on without battery. tried change i/o board with flat cable same issue.
  11. W

    820-00164 does not turn on

    relowed smc and still no SMC_DELAYED_PWRGD
  12. W

    820-00164 does not turn on

    L7310/20 -1.811 L7630 - 1.052 L7430 - 1.204 L7701 - 0 ALL_SYS_PWRGD - 3.321 U1950 pin 3 - 0 U1950 pin 7 - 3.426
  13. W

    820-00164 does not turn on

    which is cpu vcore on this board?
  14. W

    820-00164 does not turn on

    RTC reset - 3.3 ppvrtc_g3h - 3.321 PM_SLP_SUS_L - 3.322 PM_SLP_S4_L - if i unplug and replug in power i have 3.027 for about a minute for it goes away.
  15. W

    where did duke go?

    haven't seen duke in a while on the forums. just wondering what happened to him?
  16. W

    820-00164 does not turn on

    customer came in water damage yesterday. said it happened 20 minutes ago. I put it in ultrasonic, dry it out and hand it to him working. came back in today with no power. i get orange light pp3v2 - 3.42v ppbus - 8.6v pp5v0-s5 - 5.0 pp3v3-s5 - 3.3 board is very clean and there was no...
  17. W

    I hate ebay boards

    when customer wants to spend 375$ to replace its worth a little time :)
  18. W

    I hate ebay boards

    None of my suppliers had an 820-2533-a board in stock so i was stuck taking my chances on ebay. went through three of "pulled from a working laptop" before i found one that was halfway decent. L4502 was burned/corded (not sure which) to hell and pad 2 was gone. Replaced and ran trace. I...
  19. W

    820-3115

    no it doesn't
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