Repairable
Active member
(for my info so i know what board is what rep:1958)
Green/orange light
fan spin,
no chime
sometimes image and even os
most times it just stops running.
u1950 was prefucked. (replaced and trace fixed)
u8005/C8005 pp5v_so had some damage replaced
u5800 probe point for CPUTHMSNS_DUR_SEL fixed had some damage
PP3V3_S0 probe point above R202/R2021 damaged also repaired
rail volt diode
ppbus_g3h 8.59v
PPBUS_S5_HS_COMPUTING_ISNS 8.59v
PPDCIN_G3H_ISOL 18.91v
PP3V42_G3H 3.441v
PPVRTC_G3H 3.330v
PP5V_S5 5.01v
PP5V_S4RS3 0.000v 0.406
PP5V_S0 0.000v
PP3V3_S5 3.294v
PP3V3_S4 0.028v 0.344 (SMC FACING UP) measuring from smc to left i get 0.000v from SMC down and right i get 0.028 volt
PP3V3_S4_TBTAPWR 0.068v 0.432
turns on
after a few seconds turns off then also the mouse light turns off...
SMC_ONOFF_L 3.440 also when machine turns off , fans stops spinning and mouse light turns off
Green/orange light
fan spin,
no chime
sometimes image and even os
most times it just stops running.
u1950 was prefucked. (replaced and trace fixed)
u8005/C8005 pp5v_so had some damage replaced
u5800 probe point for CPUTHMSNS_DUR_SEL fixed had some damage
PP3V3_S0 probe point above R202/R2021 damaged also repaired
rail volt diode
ppbus_g3h 8.59v
PPBUS_S5_HS_COMPUTING_ISNS 8.59v
PPDCIN_G3H_ISOL 18.91v
PP3V42_G3H 3.441v
PPVRTC_G3H 3.330v
PP5V_S5 5.01v
PP5V_S4RS3 0.000v 0.406
PP5V_S0 0.000v
PP3V3_S5 3.294v
PP3V3_S4 0.028v 0.344 (SMC FACING UP) measuring from smc to left i get 0.000v from SMC down and right i get 0.028 volt
PP3V3_S4_TBTAPWR 0.068v 0.432
turns on
after a few seconds turns off then also the mouse light turns off...
SMC_ONOFF_L 3.440 also when machine turns off , fans stops spinning and mouse light turns off
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