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  1. JdYoda

    820-00239 5v 0amps

    Hello! Can not get 20 volts on this board. Customer says that for last 2 days charging was unstable, then laptop just turned off Now there is 3 CD3215 in the loop, UB400 stable Board is clean, no corrosion, no oxidation Found blown resistor RB036 ( replaced) Already changed UB400 ( 2 times...
  2. JdYoda

    820-01700 no PPVCCGT_S0_CPU

    Hello! Mac A2141 turns on with battery, there is a chime, but PPVCCGT_S0_CPU is missing. No image, no backlight. USB activity is present, caps lock reacts Without battery doesn't turns on, 20v, 0.04a DFU restoring sucsessful. In SMC bypass mode doesn't start Before was short on PP2V5_NAND_SSD0...
  3. JdYoda

    820-00923 5V 0 Amps

    Hello. Mac A1706 doesnt turns on. 3 of 4 CD3215 rebooting, LDO 1.1 present. UB400 steady 5V, 0Amps, no LDO 1.1v After changing UB400 no changes. Found out that all PPBUS lines are missing (ppbus_g3h, ppbus_hs_cpu, ppbus_hs_oth5v ) PPDCIN_G3H - 5v PP3V3_G3H - 3.3 Diode mode for ppbus lines is...
  4. JdYoda

    820-01700 PP3V3_G3H_T missing

    Hello. Mac A2141 doesn't turns on. 20v 0.05A with battery, 5v 0.05A without battery. Found short on PP3V3_G3H_SOCPMU (C7805), after i changed cap - short is gone. Now PPBUS - 12.3v, PP3V3_G3H_RTC_X - 3.3v PP3V3_G3H_T - 0.4v Other voltages are missing, so no DFU as well...
  5. JdYoda

    820-01598 works only with battery

    Hello everyone. Got this laptop yesterday, castomer says "mac doesn't charging and external usb drives can not be recognized" Mac still powers on, everything works, exept usb-c potrs. With plugged in charger usb-c meter shows 5 volt steady on one of the ports, and 5 volt rebooting every 2...
  6. JdYoda

    820-01521 20v 0A

    Hi, got this mac a1932 for repair. Board looks clean, never been repaired before, no corrosion or traces of liquid damage Bare board with no battery stays at 5v 0.09-0.1 amps When battery connected - switching to 20 volts, 0 amps Didn't find any short on board. F6700 was blown, changed with...
  7. JdYoda

    820-01700 20v 0.03 amps

    Hello everyone. I got a Mac a2141, with massive board damage by wine. PPBUS was shorted. Removed CA780, C9573, C9574. Short is gone, PPBUS is back to normal value. Now there is 20v on charging ports, 0.03 amps PPBUS 12.6V PP2V5_NAND_SSD0 2.5v PP1V8_G3S present PP5V_G3S present PP3V3_G3H_T...
  8. JdYoda

    820-00923 20v 0.0A No PPBUS

    Hello everyone Board came by liquid damaged and messed up by previous service. Some components are missing, dirty, CD3215 overheated etc. No voltage on USB-C meter at all What is done for now: Replaced all 4 CD3215 Replaced U7000 Soldered back missing U8000 and U7960 Soldered back missing...
  9. JdYoda

    820-01041 Stuck at 20v 0.04A

    Hi. First of all sorry for my non-perfect english. I have a problem with A1990 mac. It came with a corrosion on C9081 and line PPBUS_G3H_SSD1_SNS was shorted which is a very common issue on that model. After removing shorted cap mac booted and worked stable for 2 weeks, but now it returned back...
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