User Guide

8081
8081
N/B Maintenance
N/B Maintenance
99
8.1 No Power
When the power button is pressed, nothing happens, no fan activity is heard and power indicator is not light up.
CARD_VCC, VPPOUT
P18
U516
+1.8V_P
P24
PF1,PU5 JO9
+1.8V
P23
R48
+VCCA
P3
LAN_D3V
P16
R662
U533
+5V_P
P23
U14,JO45,JO46
+5V
P23
L20
+5V_CDROM
P12
L541,JS503
AVDDAD
P13
L534
+VA
P14
PU9,PL505,PR510
+1.05V_P
P26
+VCCP
P23
JO501,JO502
L14
+VCCQ
P3
+5V_UH
P26
Q25
+5V_HDD
P12
L22PU10,PU12,PL506,PR502
5V_HDD
P12
+VCC_CORE
P28
DVMAINADINPPOWER IN
PWR_VDDIN
PJ1
PF1,PL1
PL2,PR1
PD5
Discharge
PD1
PD4
H8_AVREF
P23
Q10
BATT
PF502,PD503,PL501
PQ508,PL502,PU504
PQ3,PQ4
Charge
Discharge
P1
P1
P2
P1
F3,U8
VDD5
P23
PF501,PL501,PL502 PU1~PU4,PU6~PU8,PL503,PR512
DD_CPU
: Page 23 on M/B Board circuit diagram.
: Through by part PF1.
NOTE :
PF1
P23
Q11
+5V_UH
P23
PQ2
VDD5S
U5
VDD3
P23
Q507 U6
VDD1.5
P23P23
U13,D15
+VCC_RTC
P10
PU17, PL508, PR531 U503,JO505,JO506
+3V_P
P27
+3V
P23
PF3,PL2,PU501
Main Voltage Map
+3VCLK66
P4
L521
+3VCLKCPU
P4
L515
+3VCLKANA
P4
L523
+3VCLKPCI
P4
L526
PU16,PU18
PL507,PR532
+2.5V_DDR_P
P27
JO509,JO510
+2.5V_DDR
P23
+DDR_VREF
R65,R66,R618,R619
+LAN_D2.5V
P16
L529
+LAN_A2.5V
P16
L528
+1.5V_P
P24
PF7,PU15
+1.5V
P23
JO507
+1.2V_P
PF4,PU14
P24
+1.2V
P23
JO508
PF2,PL1,PU11
P28
H8_VDDA
P21
R712,R715
P1
D/D Board
PF8,PL3,PU19
+1.25V_DDR_P
P25
+1.25V_DDR
P23
JO515
P7
P8