Schematic Diagrams
B - 44 External ODD Board
B.Schematic Diagrams
Power Sequence
204.22ms (RSMRST# to PWR_BTN#)
36.02us (SUSC# to SUSB#)
3.05ms
1.6ms
1.21ms
1.26ms
105.85us (1.05VS to 1.05VS_PWRGD)
0.85VS_PWRGD
863.6us
302.32ms
PM_PCH_PWROK
ALL_SYS_PWRGD
365.11ms
VDDPWRGOOD_R
404.8ms
501.5us
H_CPUPWRGD
1.5VS
VCORE
724.7us
DELAY_PWRGD
1.84ms
SYS_PWROK
PM_DRAM_PWRGD
BUF_CPU_RST#
1.84ms
365.11ms
PLT_RST#
0.85VS
1.23ms
1.23ms
W24xEUQ/W25xEUQ-D02 POWER ON SEQUENCE
DD_ON
1.05VS
3.3V
2.13ms
VTT_CPU
1.8VS_PWRGD
122.2ms
5V
2.26ms
112.8ms
747.65us
PWR_BTN#
1.8VS
1.05VS_PWRGD
RSMRST#
SUSB#
SUSC#
532.4us
1.5V
5VS
91.78ms
171.2ms
2.16ms
1.975ms
VTT_MEM
DDR1.5V_PWRGD
3.3VS
645us
Sheet 43 of 43
Power Sequence
Summary of Contents for W251EUQ
Page 1: ...W251EUQ W253EUQ W255EU W258EUQ ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W251EUQ W253EUQ W255EU W258EUQ Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 43: ...Top W251EUQ A 3 A Part Lists Top W251EUQ 非耐落 灰色 尚盟 Figure A 1 Top W251EUQ ...
Page 44: ...A 4 Top W255EU A Part Lists Top W255EU 灰色 尚盟 非耐落 Figure A 2 Top W255EU ...
Page 45: ...Top W258EUQ A 5 A Part Lists Top W258EUQ 非耐落 非耐落 灰色 尚盟 Figure A 1 Top W258EUQ ...
Page 46: ...A 6 Top W253EUQ A Part Lists Top W253EUQ Figure A 1 Top W253EUQ ...
Page 48: ...A 8 Bottom W253EUQ A Part Lists Bottom W253EUQ Figure A 3 Bottom W253EUQ ...
Page 52: ...A 12 DVD DUAL W253EUQ A Part Lists DVD DUAL W253EUQ Figure A 7 DVD DUAL W253EUQ 非耐落 志精 ...
Page 54: ...A 14 LCD W253EUQ A Part Lists LCD W253EUQ Figure A 9 LCD W253EUQ ...
Page 101: ...www s manuals com ...