POWER ON SEQUENCE.
Trang 1K55DE Repair Guide
Apr/16/2012
John_jin CSC-GRMA
Trang 2POWER FLOW
Trang 3
POWER ON SEQUENCE
Trang 4
Voltage& Signal Measure Point TOP
R8412 PM_PWROK
R6602 PWR_SW#
_r
R3009 CPU_VRON
_r
D2202 PM_RSMRST#_PCH
R2100 PM_PWRBTN#
_r
R0481 CPU_RST#
_r
R2234 PM_SYSPWROK_PCH
R0403 CPU_PWRGD
R8824 +5VA
R3018 RCIN#
_r
C2022 BUF_PLT_RST#
_r
Trang 5Voltage& Signal Measure Point Bottom
L8002 +VCORE
L8201 +1.1VO
L8100 +5VO PL8101 +3VO
L8700 +VDDC_VGA_O
L8001 CPU_VDDNB
JP8103 +12VSUS
D8202 VSUS_ON
D9201 SUSB_EC#
L8300 +1.5VO
C8246 AC_BAT_SYS
R2218 PM_RSMRST#
SR8607 PWROK#
U8201 +1.1VSUS_PWRGD
_r
C8301 +0.75VO L8202 +1.2VO
D2001 +3VA
D2001 +VCC_RTC
D3202 +3VA_EC
D3202 EC_RST#
_
L84001 +1.8VS_VGA_O
D9202 SUS_PWRGD
_r
R2101 PM_SUSB#
R2102 PM_SUSC#
Q5706 SUSC_EC#
D9202 ALL_SYSTEM_PWRGD
SR9214 VRM_PWRGD
_r