Download M9J Troubleshooting Guide

P701
Troubleshooting Guide
Block Diagram
AC/DC block flow
START
• G3ÆS4/S5
• DC mode,has no VSUS power
(to save power)
• AC mode,has VSUS power
0
0
0
W ait VSUS_GD=1
1
PM _PW RBTN# -> 1
Delay 20m s
PM _RSM RST# -> 1
end
1
1
VSUS_ON -> 0
PM _RSM RST# -> 0
VSUS_ON -> 1
Delay 5m s
• PS:the VSUS power
almost likes the VSB power
VSUS_ON
AC_IN#
end
end
AC mode Sequence
NB
NB
20.H_CPU_RST#
_P
W
RG
D
16.VRM_PWRGD
SB
SB
5.VSUS_ON
12.PM_SUSB#
11.PM_SUSC#
10.PWRBTN#
8.PM_RSMRST#
1.RTCRST#
4.+3V
A
APM7120
APM7120 6.+3
VS
S
17.PM_PWROK
RTC
RTC
BAT
BAT
MAX8724
MAX8724
3.AC_BAT_SYS
18
.H
2.A/D_DOCK_I
N
19.PLT_RST#
CP
CP
UU
9.PWR_SW#
7.VSUS_GD
4.AC_OK=1
Vcore
Vcore
controlle
controlle
rr
16.VRM_PWRGD
EC
EC
KB3110
KB3110
13.SUSC_ON
14.SUSB_ON
15.CPU_VRON
(55ms)
MEMORY
MEMORY
POWER(+1.8V,0.9V)
POWER(+1.8V,0.9V)
OTHER MAIN POWER(+1.5V,+1.05V
OTHER MAIN POWER(+1.5V,+1.05V
OTHER MAIN POWER(+1.5V,+1.05V
etc.)
etc.)
US
/+5
VS
U
Battery mode Sequence
NB
NB
20.H_CPU_RST#
_P
W
RG
D
16.VRM_PWRGD
SB
SB
6.VSUS_ON
12.PM_SUSB#
11.PM_SUSC#
10.PWRBTN#
9.PM_RSMRST#
1.RTCRST#
17.PM_PWROK
RTC
RTC
BAT
BAT
MAX8724
MAX8724
3.AC_BAT_SYS
18
.H
2.BAT_CON
19.PLT_RST#
CP
CP
UU
APM7120
APM7120 7.+3
4.+3V
A
VS
US
/+5
VS
US
5.PWR_SW#
8.VSUS_GD
4.AC_OK=0
Vcore
Vcore
controlle
controlle
rr
EC
EC
KB3110
KB3110
16.VRM_PWRGD
13.SUSC_ON
14.SUSB_ON
15.CPU_VRON
(55ms)
MEMORY
MEMORY
POWER(+1.8V,0.9V)
POWER(+1.8V,0.9V)
OTHER MAIN POWER(+1.5V,+1.05V
OTHER MAIN POWER(+1.5V,+1.05V
OTHER MAIN POWER(+1.5V,+1.05V
etc.)
etc.)
TSICT Voltage Measure -TOP
TSICT Voltage Measure -BOTTOM
Visual Inspection –TOP1
BAT CON
DEBUG CON
TP_L
TP_R
MIC CON
BTOB CON
MIC_JACK
SD/MMC
Card Reader
CON
KB CON
TOUCH PAD
LCD CON
TACH_SWITCH
FAN CON
CAMERA CON
SPEAKER CON
Visual Inspection –TOP2
U12 CLOCK GEN
ICS9LPR426
U11 EC
PU100 CPU
VCORE
U2 SB
ICH6-M
U1 NB
910GML
U16 CPU
Visual Inspection –BOTTOM1
MINICARD CON
BATT CON
DC_PWR CON
LAN CON
CRT CON
USB CON
WTOB CON
DDR DMM CON
Reboot Switch
Visual Inspection –BOTTOM2
U9 Transformer
U10 Control
card reader
U36 Flash
controller
U15
AZALIA
U34 U35 U37 U38
FLASH CHIP
U18 Refresh CHIP
U7 LAN CHIP
U32 Audio AMP