104
Prestigio Cavaliere 141
Technical Service Manual
******Reset Circuit Checking******
******Reset Circuit Checking******
C
B
E
Q29
MMBT3904
R169
4.7K
SW1
3
4
1
2
PWRSW#
4
J501
J502
LED BD
R184 1K
4
C237
1000P
H8_PWRSW#
7
3
VDD5
VCC
GND
RESET#
H8_RESET#
1
1
2
Q28
+3V
R172
1K
PWROK
ALERT#
U6
AMD1021
Thermal
Sensor
11
3
1
2
D11
2
1
3
VDD5
R190
10K
PWROK_5V
58
C237
1000P
PWROK
49
H8_PWRON
91
Q25
DTC144WK
+S3V
R163
10K
SB_PWRBTN#
2
1
3
8677 P4
D/D
Module
R140
10K
R141
1K
8677
2.5V/1.8V
Module
H8_PWRON
PWRON
SB_PWRBTN
PWROK
CPU_RST#
CPU_PWRGOOD
PCIRST#
R92
0
U522
AC97
ALC202
AC97_RESET#
P
19
P
20
11
25
J7
MDC
U505
North Bridge
SiS650
U506
Intel Mobile P4
CPU
U13
H8
F3437
P
3
P
4
P
26
P
28
P
28
P
17
P
16
P
15
U501
South Bridge
SiS961
J505
HDD Connector
IDE_RESET#
+5V
R695
10K
Q507
DTC144WK
1
3
+5V
R702
10K
Q506
DTC144WK
1
3
43
2
2
P
18
P
5
P
6
P
7
P
8
+5V
SB_CD_RESET
J512
CD ROM
Connector
R197
10K
Q33
DTC144WK
5
IDE_CD_RESET#
1
3
2
R699
0
P
18
U19
Super I/O
PC87393
U515
Card Bus
CB1410
20
9
P
22
P
23
8.3 No Display
U17
MAX809LTR
R180
100K
4.63V