Z500 (LA-9063) no +3VS

R EZ A

hi all

this board not switch +3VALW to +3VS

at first it dont hav any voltage on board,i replace PQ302 (P-Channel)
next 3.3V and 5V turned on
but it not switch to +3VS
SUSP is gste of mosfets
what is SUSP?

what is the problem?!

R EZ A

any idea?

R EZ A

can i manually connent +3VALW to +3VS???

Вложение:

3.3.jpg

MSF113

Check SUSP - must be LOW when run on
than check 4 pin on U39 - must be +19V when run on

R EZ A

SUSP=2.9V
pin4 on U39=0V

MSF113

SUSP - i.e. SUSPEND. If it signal is HIGH laptop is in suspend mode. No 3VS and no 5VS.
Look - why SUSP is HIGH

R EZ A

Tnx
How i can find the reason of this stat?
Which parameters are effective ?.

R EZ A

Can it be related to bios program?

MSF113

Try to flash BIOS.

R EZ A

i flash this files
http://vlab.su/viewtopic.php?f=58&t=614 ... 2A#p180335

no change

MSF113

Look this post:
http://www.vlab.su/viewtopic.php?p=62203#p62203

R EZ A

+3VS is bios vcc
its 0 now

ACIN=0
LID_SW=about 0.5V
EC_RSMRST#=0

MSF113

Do you have schematic?
you have experience repairing?

ACIN, LID-SW#, EC_RSMRST# must be HIGH
for start.
Find the issue.

R EZ A

yes i read them from schematic

According to this schematic

Вложение:

z500.jpg

i should hav +3V_PCH after press PWRBTN or always?
EC_ON=3.3V

R EZ A

i need more help plz

R EZ A

it dont hav +3.3&+5V pch too

R EZ A

it was reladet to LID_SW

kbc should detect that laptop door is open to permit to turn on
+3.3 n +5VS made after power on

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Z500 (LA-9063) no +3VS [РЕШЕНО]

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