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Hi Team, I have this machine came with No trackpad and keyboard except power button working. Replaced the trackpad and the flex going to the motherboard, now the keyboard works fine but the trackpad is acting weird: the center area is like sensitiveless, also once I had the mouse cursor...

Hi Team, This machine came because the owner has broken his headphone jack inside the J6700 I've removed the connector and succeed to took out the debris, but to desolder J6700, I had to remove all the ZD, Capacitors, resistances in the area to apply a big amount of solder. When I resoldered...

WD, No Green Light PP3V42_G3H: 0.8V In diode mode reading 0.002V: short to GND Pin2 of J6100 and C5008 shorted to GND Removed J6100 and C5008 PP3V42: 3.336V and green light OK trace broken between C5001 and L5001, rebuilt:OK PPBUS: 1V PPBUS to GND: 3MOhms in diode mode: 0.139V should be ...

Hi Team, This machines starts, chimes but no display on internal or external screen. Checked and noticed that F9700 was blown, so I replaced it, after what PPBUS_S0_LCDBKLT_FUSED was present but still no backlight display. LCD_BKLT_EN: 0V disconnected the screen at J9000 and tested again on...

Led501 ON PP12V_G3H: 12.09V PP3V42_G3H: 3.416V PP12V_S5: 12.09V PP5V_S5: 4.979V PP3V3_S5: 3.294V No S4 State when triggering the power button. PM_SLP_S5_L not pulsing when trigger on SMC_ONOFF_L / PM_PWRBTN_L PP3V3_G3H_SMC_VDDA: 3.416V I'm suspecting the PSU but I don't have a spare one to...

Hi Team, I've this board that is not charging , no sign of WD, and already swapped battery With the battery connected and the board ON : ppbus: 8.37V activity on SCL and SDA lines pin 4 of Q7155 is mesuring 0.969V then pulsing to 8.35V in cycle.....which doesn't allow the battery to charge...

No History, Came from another store, had L9000 was missing, soldered it back: NOK Displays on external HDMI screen OK NVRAM Reset: NOK Had Flux around Q7080 and R7020 area No sign of WD but some few Test Points near R2655 turned slightly brown like some screws holes contours...

Hi Team, Last week I've fixed a 00045 board after reflowing the CPU (common failure), the machine turns ON and boots fine only if I unplug the trackpad on the end of the flex ribbon.......flex ribbon which is new. I'm waiting for a new trackpad to arrive to test. I think ( not sure at 100% )...

Hi 2 Informaticos, team, I have this board on which they claimed had a WD but I didn't found any corrosion anywhere...... as this board is old I checked the resistance of pp3v42 to GND to make sure this is not a bad MCP failure: 0.8M Ohms: OK ppbus_g3h:8.17V pp3v42: 3.42V at U7000: R17/18...

No History and NO no sign of Water Damage PPBUS_G3H: 8.59V PPVBUS_E85: 14.4V PPDCIN_G3H: 14.35V as I can also see it on the USB C Tester with the display ( I have 14.8V but Not pulling Current, 0A ) PP3V3_G3H: 3.302V PP3V3R3V0_AON: 3.229V PPVRTC_G3H: 3.296 PP5V_G3H_LDO: 4.996V PP5V_S4: 5.016V...

Hi 2Informaticos, Team This board came perfectly clean no WD signs It boots fine but no chime and no display, USB activity OK . All S0 rails present and fine, CPU heats quite a bit more that usual. PP5V_S0 : 5.123V PP3V3_S0: 3.318V PP1V05_SUS: 1.058V PP1V5_S0: 1.508V PP0V6_S0_DDRVTT: 0.599V...

Hi team, PPBUS_G3H: 8.59V PP3V42: 3.401V PPRTC_G3H: 3.310V PP5V_S5: 4.994V PP3V_S5: 3.310V S4 State pulsing SMC_ADAPTER_EN : 3.366V PM_BATLOW_L : 3.305V PM_DSW_PWRGD: 3.398V SMC_PM_G2_EN: 3.396V Checked all SPI Bus Series Termination traces and resistors Put flux and heated SMC and SPI Re...

Quarter Fan Spin in Loop PPBUS_G3H: 8.59V PP3V42: 3.401V PPRTC_G3H: 3.310V PP5V_S5: 4.994V PP3V_S5: 3.310V S4 to S0 rails, Pin 3 of U1950 pulsing SMC_ADAPTER_EN : 3.366V PM_BATLOW_L : 3.305V PM_DSW_PWRGD: 3.398V SMC_PM_G2_EN: 3.396V Checked all SPI Bus Series Termination traces and...

WD, passed in the UC 2 Quarter Fan Spin No green Light PPBUS_G3H: 8.19V U7100 not talking to SMC PP3V42: 3.415V PPVRTC_GH: 3.328V PP5V_S5: 4.987V PP5V_S4RS3: 0V CPUVCore, Pins 7 & 3 of U1950 twice too Able to read SPI Rom, and doesn't look corrupted. Checked all SPI Bus Series Termination...

water damage around U6500 PPBUS 12.57V but going down after 3-5 sec PP3V42 : OK but NO green light Reflowed U7200 now PPBUS OK: 12.57V and green light came then went after unpluggled the charger S5 Rails OK S3 Rails NOK when shorting power pads (R5015) No PM_SLP_S4_L PM_BATLOW_L: 0V...

Hi 2Informaticos; team No Backlight Tested with another known good screen : same Display works fine on an external TV through a thunderbolt hdmi adapter LCD not detected Backlight flashes once when hearing chime SMC not talking to the LCD: SMBUS_SMC_0_S0_SDA and SMBUS_SMC_0_S0_SCL solid 3.3V...

Hi 2Informaticos; team Those past days I have seen many MBA that before turning ON normally they have their fans cycling twice, rarely 3 times before starting. Is it a SMC issue or more clock / SPI issue? Regards

Not turning ON Ppbus_g3h : 8.59V PP3V42_h3h: 3.415V PPVRTC_G3H: 3.328V PP5V_S5: 4.987V PP3V3_S5: 3.328V PP5V_S4RS3: 0V PP3V3_S4: 0.027V PP3V3_SUS: 3.328V PP3V3_S3: 0V Passed in the UC, still the same. After reheat the SMC in case of crap under it, now I have 2 quarter fan spin but still no...

Hi Team I'd like to update a 820-00164 (mackbook air 7.1 early 2015) Efi chip to apfs without installing High Sierra or Mojave ( no SSD ). Is one of you could provide me a dump of a bios already passed to HS or Mojave for that mother board it would be nice. Of course I'll clean the ME region...

Hi 2Informaticos and All.... board came zith serious WD; cleaned and repair all what I could what was visual before plugging the charger; then: Ppbus_g3h : 8.19V PP3V42_h3h: 3.423V PPVRTC_G3H: 3.423V PP5V_S5: 0V Reheat the SMC then I saw sparks almost flames around the C3085 (thunderbolt)...