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Recent content by 2informaticos
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820-3332 NO POWER
"3 : 0v" Fix this problem. U7000 requires good ACIN signal; 4V aprox.- 2informaticos
- Post #4
- Forum: Macbook Logic Board Repair Questions
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A2681 820-02536 no power
If short without MPMU, then must be a bad capacitor. Voltage injection method should help.- 2informaticos
- Post #6
- Forum: Macbook Logic Board Repair Questions
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A2442 820-02098 not charging
I don't have such dump in my library...- 2informaticos
- Post #31
- Forum: Macbook Logic Board Repair Questions
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MacBook Pro M1 - 820-02020 stuck on 5V 0.21A
Get replacement CD3217 chip from same model donor board.- 2informaticos
- Post #2
- Forum: Macbook Logic Board Repair Questions
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A1707 820-00928-A no backlight
DP_INT_HPD still 0V? Tried known good LCD assembly again? External video missing now?- 2informaticos
- Post #12
- Forum: Macbook Logic Board Repair Questions
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A2681 820-02536 no power
"PP5V_MPMU_BSTLQ_XW has 0.002 on diode reading" Not normal; did you check it once MPMU was out of board?- 2informaticos
- Post #4
- Forum: Macbook Logic Board Repair Questions
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820-00597 Boot with apple logo freeze
Did you test disconnecting J6600? https://boards.rossmanngroup.com/threads/how-to-collection.60974/- 2informaticos
- Post #4
- Forum: Macbook Logic Board Repair Questions
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A2442 820-02098 not charging
D5403 is just a protection for CC1 line. Remove it completely, to avoid any leakage.- 2informaticos
- Post #29
- Forum: Macbook Logic Board Repair Questions
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A1707 820-00928-A no backlight
Bad trace to pin 1? However, 0.179 looks lower than expected at pin 3. You should change U9850.- 2informaticos
- Post #10
- Forum: Macbook Logic Board Repair Questions
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820-02100 20V 0.15A bootloop (DFU error 21)
Use external switch method for DFU access. https://logi.wiki/index.php/DFU_Mode_Restore_(Macs)#DFU_Mode_using_external_switch Any chance to stay on in recovery menu?- 2informaticos
- Post #2
- Forum: Macbook Logic Board Repair Questions
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Macbook A2918 Keyboard / Sleep/Wake Issue
The "wrong" keys are placed in same row, or column? Save data and try DFU restore.- 2informaticos
- Post #2
- Forum: Macbook Logic Board Repair Questions
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820-3332 NO POWER
Keep out F7040/1. Post U7000's basic voltages: 2, 3, 9,12, 13, 14, 15, 17, 19, 20, 27.- 2informaticos
- Post #2
- Forum: Macbook Logic Board Repair Questions
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Macbook A1398 820-00136
When tries to tuen on, PCH and CPU voltages come on? What about ALL_SYS_PWRGD?- 2informaticos
- Post #11
- Forum: Macbook Logic Board Repair Questions
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Macbook A1466 820-00165 Intermittent Fan Spin
Fan can't spin if PM_SLP_S4_L stays low. Trigger SMC_ONOFF_L and check for drop pulse at PM_PWRBTN_L. Did you try SMC bypass?- 2informaticos
- Post #2
- Forum: Macbook Logic Board Repair Questions
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820-00875 20V @ 0.124A No Power On.
Unfortunatelly, dead PCH...- 2informaticos
- Post #2
- Forum: Macbook Logic Board Repair Questions