macbook pro 820-4924-a dead green and orange light on,no fan.

yair37

Member
update, after few days that it work fine and even charge the battery, now after the battery run off it dont charging and turn on...with battery just green light stable, without batter, green the orange but not turn on. i was check with used good original battery but the same, bypass SMC just fan on full speed. any idea? ppbus_3gh 13v.
 

yair37

Member
i was change..now is 12.5v , i was try to turn on just after few trying it suddenly turn on, i was play with it 2-3 min then turn in off to see if its will turn on again, but nothing! not turn on again!
i was try before with working full body but the same...its drive me crazy!
 

yair37

Member
ppbus_g3h = 12.58v
pp3v42_g3h = 3.433v
pp5v_s5 = 5.02v
pp5v_s0 = 0v
pp3v3_s5 = 3.344v
pp3v3_s4 = 0v
pp3v3_s3 = 0v

P3V3S3_EN on U8010 missing

PM_SLP_S4 L 3.4v for few second then 0v

PPVCOMP_S0_CPU = 0v
 

2informaticos

Administrator
Staff member
"PM_SLP_S4 L 3.4v for few second"
Check all S3 voltages at same time.

Also check if PM_SLP_S3_L pulses too.
 

2informaticos

Administrator
Staff member
If you get all S3 voltages and PM_SLP_S3_L also goes high (few seconds), check S0 voltages at same time.
Trigger SMC_ONOFF_L repeatedly and check the reaction on the voltages.
 

yair37

Member
PM_SLP_S4 L - voltage was looped 3.4v-0v...now its stop to apper...
PPV5_S5 ALSO 5.0V LOOP
 
Last edited:

2informaticos

Administrator
Staff member
PM_SLP_S4_L was pulsing before...

Check all signals and voltages mentioned in the first page of the thread.
 

yair37

Member
now its work again(cpu getting hot) for few secounds.
dead again but PM_SLP_S4_L back to life..3.4v stable....i really dont know what to do....it can be some clock that getting crazy?
 

2informaticos

Administrator
Staff member
PM_SLP_S4_L remains high, but board has no video, nor USB activity?
Check PM_SLP_S3_L and all S3/0 voltages...
 

yair37

Member
"PM_SLP_S4_L remains high, but board has no video, nor USB activity"

When its finally on all work, but he has is own life, every time react different.
I will check and post.
Thanks
 

yair37

Member
update...just start work on it again.
PM_SLP_S4_L missing again!
PPVIN_G3H_P3V42G3H - 16.5v looping....?????
PP5V_S5 5v looping.
s0 all missing
s3:
pm_slp_s3_l - 3.4v
p5vs3_comp/1 2.0v stable
ppv5_s3_ltusb_a_ilim - 5v at the bigining and going down
PPV5_S3 - 5V not stable
p5vs3_en 3.4v
p5vs3_tg 5.2v
p5vs3_drvh - 5.2v
pp1v2_s3 -1.2v
ppvttddr_s3 - 0.6v
p3v3s3_en 3.4v
 

2informaticos

Administrator
Staff member
"pm_slp_s3_l - 3.4v"
As already said, S0 voltages (controlled by this signal) must appear at same time.

Stable PPBUS_G3H and 3V42_G3H?
 

yair37

Member
suddenly PM_SLP_S4_L apper again 3.4v stable
PPBUS_3GH - 12.5V stable
3V42_G3H - 3.4V stable
S0:
PP3V3_S0 3.4V
PPVCC_S0_CPU 1.1V
P1V05S0_VBST 6.1V
P1V05S0_DRVH 1.0V
P1V05_S0 1.1V
P1V05S0_VVTREF 0.5V

take out the charger and connect it again
PM_SLP_S4_L 0v
pm_slp_s3_l - 0v
 
Last edited:

yair37

Member
if i play with connect and disconnect the charger the PM_SLP_S4_L apper not apper, or if its connecting after few min its appear...
PPBUS_3GH and 3V42_G3H appear every time.
 
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