[SOLVED]820-00165 liqued damage

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
 
Last edited:

dukefawks

Administrator
Pre fucked so it can be corrosion anywhere. Inspect closer, but it could be corrosion under any chip or corroded resistor trace. Check the usual suspects, U1900/50,U6100 termination resistors, TON resistors on CPU regulator, crap under SMC, etc.
 

Repairable

Active member
R6110 15.3
R6111 15.2
R6112 15.3
R6113 15.2
R6114 25.6
R6115 15.4
R6116 15.3
R6117 15.4
R6118 15.2
R6119 15.3
R6120 44.1
R6121 43.5
R6122 43.7
R6123 25.4
R
R6125 43.6
R6126 43.7
R6127 44.1
R6128 25.6
R
R6130 43.6
R6131 44.0
R6132 43.7
R6133 44.0
traces also all beep

found nothing yet...

UC here he comes
 
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