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A1706 / EMC 3071—Released in November 2016, this 13" Macbook Pro introduces the OLED Touch Bar. Features a dual-core "Skylake" Intel Core i5 CPU and four Thunderbolt 3 ports.

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No power CPU, is dead?

All power rails is on without CPU. Any suggestion? or CPU is Dead?

PBUS Rails

  • PPBUS_G3H - 13,03V
  • PPBUS_HS_CPU - 13,04V
  • PPBUS_HS_OTH5V - 13,03V
  • PPBUS_HS_OTH3V3 - 13,04V
  • PPBUS_S4_HS_TPAD - 13,04V
  • PPDCIN_G3H - 19,87V

3V3 G3H Rails

  • PP3V3_G3H - 3,39V
  • PP3V3_G3H_SMC_ISNS - 3,39V
  • RTC Rails
  • PP3V0_G3H - 3,078V

IMVP Rails

  • PPVCC_S0_CPU - 0V
  • PPVCCSA_S0_CPU - 0V
  • PPVCCGT_S0_CPU - 0V
  • CPU VCCIO Rails
  • PPVCCIO_S0_CPU - 0,951V
  • CPU EDRAM Rails
  • PPVCCEDRAM_S0_CPU - 0V

PCH Prime Core Rails

  • PPVCCPRIMCORE_SUS_PCH - 0V
  • 1V2 Rails
  • PP1V2_S3 - 1,2V
  • PP1V2_S3_CPUDDR - 1,2V
  • PP1V2_S0SW - 1,2V

0V6 Rails

  • PP0V6_S0_DDRVTT - 0,594V
  • PP0V6_S3_MEM_VREFDQ_A - 0,6V
  • PP0V6_S3_MEM_VREFCA_A - 0,6V
  • PP0V6_S3_MEM_VREFDQ_B - 0,6V
  • PP0V6_S3_MEM_VREFCA_A - 0,6V

1V8 Rails

  • PP1V8_SUS - 1,795V
  • PP1V8_S4 - 1,796V
  • PP1V8_S3 - 1,795V
  • PP1V8_S3_MEM - 1,795V
  • PP1V8_S0 - 1,795V

1V0 Rails

  • PP1V0_SUS - 0,996V
  • PP1V0_SUSSW - 0,996V
  • PP1V0_S3 - 0,992V
  • PP1V0_S0SW - 0,990V

T208 Rails

  • PP3V3_S5_T139 - 3,34V
  • PP3V3_S4_SOC_PMU - 3,33V
  • PP5V_S0_T139 - 5,12V

5V Rails

  • PP5V_S5 - 5,12V
  • PP5V_S4 - 5,1V
  • PP5V_S0 - 5V
  • PP5V_S0_KBD - 5,11V

3V3 Rails

  • PP3V3_S5 - 3,34V
  • PP3V3_SUS - 3,34V
  • PP3V3_S4 - 3,34V
  • PP3V3_S0 - 3,34V
  • PM_PCH_PWROK - 3,98V
  • ALL_SYS_PWRGD - 3,238V
  • CPU_VCCST_PWRGD - 1V
  • PM_SLP_SUS_L - 3,34V
  • 1V0_SUSSW - 0,993V
  • 1V0_SUSFUSE - 0,994V
  • RTC_RESET_L - 3,056V
  • PCH_SRTCRST_L - 3,058V
  • PP5V_S0_VCORE1 - 5,11V
  • PP5V_S0_VCORE2 - 5,12V
  • SMC_ONOFF_L - 3,39V
  • PM_PWRBTN_L - 3,34V
  • CPUCORE_PWM1 - 2,548V
  • CPUVR_PGOOD - 3,3V
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When you got the system what was it doing, that is did the fan start up, was it pulsing on and off? Do you see the LCD screens grey change in shading?

While checking the rails is also important your skills of reading the symptoms of the system what I like calling symptom-alogy is also important from the start.

Pickup a few Agatha Christie Mysteries all her heroes & heroines all discover the subtle clues, you need to do the same!

Depending on what you discover it should aim you to what area needs deeper inspection. You may want to jump over to Louis Rossmann's YouTube channel to get into this deeper!

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