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  1. aurel476

    [SOLVED]820-3476 PPBUS low no power

    voltage on pins D7005 1 : 11,7V 2 : 12V 3 : 12V resistance to GND on PP3V42 11.1 Kohms
  2. aurel476

    [SOLVED]820-3476 PPBUS low no power

    yes find bad capacitor C7582 now another problem PP3V42_G3H 2.5V and no green/orange light, Q7010 very hot, replaced and always hot no short to gnd pin of Q7010
  3. aurel476

    [SOLVED]820-3476 PPBUS low no power

    short on pin 2 of F7140 51 ohm cpu coils to pin 2 of F7140 3.75 kohms PP3V3_S5 coils to pin 2 F7140 PP5V_S5 30k ohms coil to pin 2 of F7140 inject 1v to pin 2 of F7140 nothing hot
  4. aurel476

    [SOLVED]820-3476 PPBUS low no power

    PPBUS_G3H 0.6V resistance to gnd on PPBUS_G3H and PPVBAT_G3H_CHGR_REG short to gnd 0 ohm short to gnd CHGR_CSO_R_N, CHGR_CSO_P_N
  5. aurel476

    [SOLVED]820-3476 PPBUS low no power

    no liquide damage, just customer used magsafe 45W, no power from charger and battery PP3V42_G3h present 3.41V and ppbus_g3h 0.6V tried magsafe 60w same pb already checked U7100 pin 17/18 and 27/28, smc_bc_acok 3.3v
  6. aurel476

    Please see my balls

    sorry my english is bad, (work for me) yes you can past flux after removed direct stencil and heat see : https://www.youtube.com/watch?v=zj9RXw6D1H8&t=1115s at 23:05 minutes you use solder paste or balls ? more easy with balls
  7. aurel476

    Please see my balls

    No Title For better results past flux and heat for better balls It should look like this
  8. aurel476

    820-3115 fan fan spin 3 seconde

    reflow PCH maybe ? found broken line at J5100 area (restored with wire)
  9. aurel476

    820-2915-a Turns on, no picture

    Display on external monitor ?
  10. aurel476

    [SOLVED] 820-2530 Short to GND PP3V42_G3H

    Exactly thanks bad U7000 replaced board work but PPBUS_G3H 12,30V no charge battery and no Led driver button (tried good know), battery and charger good know. R6950 10K SMC_LID_R 102K 17/18 and 27/28 of U7000 20ohms Resistance to gnd pin 10/11 of U7000 3,8K Diode mod of J6950 : pin 4 0,543 pin...
  11. aurel476

    [SOLVED]820-3115 No power from keyboard

    no tried all other keyboard and worked and power on pad work now
  12. aurel476

    [SOLVED] 820-2530 Short to GND PP3V42_G3H

    removed L6995 and short to gnd pin 2 (PP3V42_G3H) Inject voltage with psu on pin 2 of L6995, 1V nothing heat resistance to gnd pin 1 of Y2815 10,9 mohms and pin 3 9,9 mohms probably bad Mcp ?
  13. aurel476

    [SOLVED]820-3115 No power from keyboard

    solved, strange now all work thanks you
  14. aurel476

    [SOLVED]820-3115 No power from keyboard

    no smc reset via keyboard doesn't work pin 4 of J5713 3,47V and pin 30 3,33V
  15. aurel476

    [SOLVED]820-3115 No power from keyboard

    liquid damage on keyboard only board looks very clean, keyboard connector clean PP3V42_G3H 3,47V PPBUS_G3H 12,60V SMC_ONOFF_L 3,47V R5710 1K R5070 8,36K voltage pin 5 of J5713 3,47V try 3 good keyboard good know tried short R5016 no power, just power on if plug charger
  16. aurel476

    820-3023 Stuck on chime

    try ram reflow
  17. aurel476

    [SOLVED]820-2838 Efi password

    yes exact it's true old board, but serial number was changed (not a problem Just for curiosity) solved thanks
  18. aurel476

    [SOLVED]820-2838 Efi password

    Need clean me https://drive.google.com/file/d/0B_BTnX3sdBEWTEF3Sm5FNk56Zkk/view?usp=sharing
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