DA0ZQFMB6F0 REV F no power

[kalilinux25]

Hope someone can help me unit has no power but it has 3v and 5v connection but missing 3v ec.

VCCRTC - 3V
RTC_RST#2.9V
RTC_TEST# 2.9V
+3VPCU - 3.3V PMW SIGNALS OK
+5VPCU - 5V PMW OK

SYS_HWPG - 0V
NBSWON# - 3.3V
S5_ON - 0V
+5V_S5 - 0V
+3V_S5 - 0V
VNN_ON - 0V
EC_PWROK - 0V
+3V_C - 0V


Attched schem and boardview

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

Pu6 - 1,2,6,7 - 3.3v
3- 0v
4- 5.1v
5- 0v
8,9 - 0v
10- 0v
12- 0v
13,14 - 0v

[mielta]

Re: DA0ZQFMB6F0 REV F no power

Hi
Check PU7 mesuremants

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

hi
check pu7 mesuremants

pin
1- 6.72v
2,3,4,5 -19v
6,19,20 -3.3v
7,8,1 - gnd
9- 3.0v
10,16,15,- nc
11- 4.5v
12-3.3v
13 - 0.6v
14- 3.3v
17 - 3.3v

[mielta]

Re: DA0ZQFMB6F0 REV F no power

Check PR30 at Page 22
and search the PDF at 680_LDO and than check the way to +3V_LDO_EC

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

Check PR30 at Page 22
and search the PDF at 680_LDO and than check the way to +3V_LDO_EC

680_LDO -3.3v
d17 - 3.3v +3V_LDO_EC

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

Check PR30 at Page 22
and search the PDF at 680_LDO and than check the way to +3V_LDO_EC

pr30 no stuff
c417 pin 1

[mielta]

Re: DA0ZQFMB6F0 REV F no power

check pin 26/50 from EC chip (IT8987E)

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

check pin 26/50 from EC chip (IT8987E)

pin 26 is 3.3v

[mielta]

Re: DA0ZQFMB6F0 REV F no power

than you have EC power in first post you wrote you miss EC power
check Pin 107 and 112 from EC chip

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

than you have EC power in first post you wrote you miss EC power
check Pin 107 and 112 from EC chip

107-3.3v
pin 112- 0v

thank you also sir

[mielta]

Re: DA0ZQFMB6F0 REV F no power

pin 112 must be 3,3v when you press Powerbutton

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

pin 112 must be 3,3v when you press Powerbutton

3.3v and goes to zero. Taking only 33mAmp on supply then goes 0

[mielta]

Re: DA0ZQFMB6F0 REV F no power

you can try flashing EC Chip you find it in Biossection

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

you can try flashing EC Chip you find it in Biossection

Ok I would Try it sir

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

you can try flashing EC Chip you find it in Biossection

EC_PWROK- 0v same after flashing bin and ec

[mielta]

Re: DA0ZQFMB6F0 REV F no power

Pin 119 on EC Chip susb# when you switch Powerbutton on

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

Pin 119 on EC Chip susb# when you switch Powerbutton on

Nothings happens sir 0v

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

unit now doesnt takes any amps if power is pressed

[kalilinux25]

Re: DA0ZQFMB6F0 REV F no power

maybe a bad sio chip?