Hitachi M300N Service Manual page 85

Schematic Diagrams
ICH4-3 (3 of 3)
+3V
Sheet 13 of 29
ICH4-3
(3 of 3)
+1.5VS
L54
+5VS
R188
1K
C418
1uF
[4,11,12,13,22]
[13,21]
[8,10,12]
[8,10,12]
B - 14 ICH4-3 (3 of 3) (71-M3000-D04)
+VCCRTC [12,13] +3VS
+1.5V
+5VS
+1.5VS
+1.5V
+3V
C126 C128
C125
C141
0.1uF
10uF
0.1uF
0.1uF
No Stuff
+1.5V
L58 HCB1608K-121T25
Z1402
+ C152 C416
C415
0.1uF Z1403
22uF 0.1uF
L21 HCB1608K-121T25
VCC5REF
+ C 138
C407 C134 C405
4.7uF
0.1uF 0.1uF
22uF +5VA
+1.5VS
Z1404
L53 HCB1608K-121T25
C364
+
C377 C124
0.1uF 0.1uF
10uF/10V
Z1405
Z1406
HCB1608K-121T25
C380 C381 V_CORE
0.1uF 0.01uF
L17 HCB1608K-121T25
C114 C123
+3VS 0.1uF 0.1uF
+3V
D14
D30
*RB751V +5V
*RB751V
R419
VCC5REF
+5VA
C417 1K
0.1uF
C382 C383
1uF 0.1uF
R211 100K
ICHPWROK
R153 100K
PM_RSMRST#
+3V
R163 2.2K
SMB_ICHCLK
R181 2.2K
SMB_ICHDATA
+3VS
R197 *8.2K
[3,13] PM_THRM#
[3,4,5,6,7,8,10,11,12,13,16,17,18,19,21,23,26,27,28]
[6,11,12,17,19,21,23,26,28]
[5,6,7,12,26,27]
[22,26]
[4,12,13,16,18,20,21,22,24,25,26,28]
BGA2C
E12
VCCSUS1.5_0 VCC3.3_0
E13
VCCSUS1.5_1 VCC3.3_1
E20
VCCSUS1.5_2 VCC3.3_2
F14
VCCSUS1.5_3 VCC3.3_3
G18
VCCSUS1.5_4 VCC3.3_4
R6
VCCSUS1.5_5 VCC3.3_5
T6
VCCSUS1.5_6 VCC3.3_6
U6
VCCSUS1.5_7 VCC3.3_7
VCC3.3_8
F6 ICH-4
VCCLAN1.5_0 VCC3.3_9
F7
VCCLAN1.5_1 VCC3.3_10
POWER
VCC3.3_11
E9
VCCLAN3.3_0 VCC3.3_12
F9
VCCLAN3.3_1 VCC3.3_13
VCC3.3_14
VCC3.3_15
E7
VCC5REF1
V6
VCC5REF2 VCC1.5_0
VCC1.5_1
E15
VCC5REFSUS1 VCC1.5_2
VCC1.5_3
VCC1.5_4
L23
VCCHI_0 VCC1.5_5
M14
VCCHI_1 VCC1.5_6
P18
VCCHI_2 VCC1.5_7
T22
VCCHI_3
VCCRTC
C22
VCCPLL VCCSUS3.3_0
VCCSUS3.3_1
VCCSUS3.3_2
P14
VCC_CPU_IO_0 VCCSUS3.3_3
U18
VCC_CPU_IO_1 VCCSUS3.3_4
AA23
VCC_CPU_IO_2 VCCSUS3.3_5
VCCSUS3.3_6
VCCSUS3.3_7
VCCSUS3.3_8
VCCSUS3.3_9
ICH4-M
ICH-4
VSS
A5
+3VS
B2
H6
H18
J1
J18
K6 + C420 + C151 C142 C120 C129 C140 C145 C139
M10
P6
P12 22uF 22uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
U1
V10
V16
V18
AC8
AC17
+1.5VS
K10
K12
K18
K22
P10 + C391 + C369 C133 C122
T18
U19
V14 100uF 22uF 0.1uF 0.1uF
+VCCRTC
AB5
C143
E11
F10 0.1uF
F15
F16
F18
K14 + C404 C130 C127 C132
V7
V8
V9 22uF 0.1uF 0.1uF 0.1uF
F17
[12,18,20,24] PCI_FRAME#
[12,18,20,24] PCI_IRDY#
[12,18,20,24] PCI_TRDY#
BGA2D
[12,18,20,24] PCI_STOP#
ICH4-M
[12,18,20,24] PCI_SERR#
[12,18,20,24] PCI_DEVSEL#
[12,18,20,24] PCI_PERR#
[12] PCI_LOCK#
[12,24] PCI_REQ0#
[12,20] PCI_REQ1#
[12,18] PCI_REQ2#
[12] PCI_REQ3#
[12] PCI_REQ4#
[12,17] INT_IRQ14
[12,17] INT_IRQ15
[12,24] INT_PIRQA#
[12,20] INT_PIRQB#
[12,18,24] INT_PIRQC#
[12] INT_PIRQD#
[12] IDE_PATADET
[12] IDE_SATADET
R187
*10K
+3V
+3VS
R169 8.2K
R159 8.2K
R170 8.2K
R171 8.2K
R143 8.2K
R166 8.2K
R158 8.2K
R167 8.2K
R174 8.2K
R439 8.2K
R176 8.2K
R146 8.2K
R157 8.2K
R138 8.2K
R128 8.2K
R177 8.2K
R172 8.2K
R161 8.2K
R175 8.2K
R156 *8.2K
R186 8.2K
R160
10K