Schematic Diagrams
B - 28 KBC-ITE IT8518
B.Schematic Diagrams
KBC-ITE IT8518
C 2 1 1
0 . 1u _ 1 6V _ Y 5V _ 0 4
W25 0H U
R 3 28
*0 _ 0 4
W E B _ E MA I L #
[ 3 0 ]
A P _ K E Y #
[ 3 0 ]
R 33 3
0 _ 04
10 /29
K B C _ S P I _ C E #
K B C _ H O LD #
K B -S O 15
K B C _ S P I _ S C LK
R N 1 1
2 . 2 K _8 P 4 R _ 0 4
8
1
7
2
6
5
3
4
K B -S I 3
K B -S I 1
K B -S O 11
K B -S O6
K B -S I 7
K B -S O 15
K B -S O5
K B -S O4
K B -S O7
K B -S O0
K B -S I 0
R 3 66
47 _ 0 4
R 3 55
15 _ 1 %_ 0 4
K B -S O 13
K B -S I 2
K B -S O2
K B -S O3
K B -S O8
K B -S O 10
N C 2
* N C _ 0 4
R 3 42
15 _ 1 %_ 0 4
K B -S O 14
K B -S O9
K B -S O 12
K B -S I 4
K B -S O1
R 3 59
47 _ 0 4
K B -S I 5
K B -S I 6
C C D _ D E T #
P C L K _ K B C
E C _ V C C
B A T _ D E T
J _ K B 1
*8 5 20 1 -2 40 5 1
2 4
2 3
2 2
1 4
1 2
1 1
2 1
8
2 0
1 9
6
5
1 8
4
1 7
1 0
9
7
3
2
1
1 6
1 5
1 3
V D D 3
K B C _ A V D D
V D D 3
V D D 3
8 0C LK
J _8 0 D E B U G1
*8 8 26 6 -0 50 0 1
1
2
3
4
5
V D D 3
3. 3 V S
V D D 3
8 0D E T #
8 0D E T #
3 I N 1
L E D _ A C I N
[ 28 ]
K B C _M U T E #
[ 29 ]
R N 1 0
1 0 K _8 P 4 R _ 0 4
8
1
7
2
6
5
3
4
W L A N _ L E D #
[ 2 2, 2 8 ]
B A T_ V O LT
[ 3 8]
S C I #
[ 18 ]
S M I #
[ 18 ]
3. 3 V S
[ 3 , 9 , 1 0, 1 1 , 1 2, 1 3 , 1 4, 1 5 , 1 6, 1 7 , 1 8, 19 , 2 0, 23 , 2 4 , 25 , 2 8 , 29 , 3 0 , 31 , 3 6 ]
C P U _ F A N S E N
[ 3 0]
V D D 3
[ 13 , 2 2 , 24 , 3 1 , 32 , 3 8 ]
S U S B # [ 15 , 2 6 , 31 ]
S U S C # [ 1 5, 3 3 ]
A L L _S Y S _ P W R G D [ 1 1 , 1 5, 3 6 ]
C C D _ D E T #
[ 2 3]
L I D _ S W #
[ 1 1 , 30 ]
P W R _ B T N #
[ 1 5 ]
V C H G-S E L [ 3 8 ]
T H E R M_ V OL T
[ 2 ]
C 26 2
*1 5 p _5 0 V _ N P O _0 4
X 4
*M C -1 4 6_ 3 2 . 76 8 K H z
1
4
3
2
R 3 2 7
*1 0 M_ 0 6
MC-146 & CM200S
Co-layout
C 2 6 5
*1 5 p _5 0 V _ N P O_ 0 4
R 29 3
*1 0 K _ 04
B T _ E N [ 2 2 , 28 ]
X 5
* C M -20 0 S _ 32 . 7 6 8K H z
1
4
3
2
R 29 2
1 0K _0 4
V D D 3
K B C _ S P I _ S C LK
C K 3 2 K E
K B -S O 11
K B -S O 6
K B -S I 7
K B -S I 0
K B -S I 3
K B -S I 1
K B -S O 4
K B -S O 7
K B -S O 0
K B -S O 5
K B -S O 8
K B -S O 10
K B -S O 2
P C LK _ K B C _R
K B C _ S P I _ S O
K B -S O 3
K B -S I 2
K B C _ S P I _ S I
K B -S I 4
K B -S O 1
K B -S O 13
K B -S O 12
C 2 5 8
0 . 1 u_ 1 6V _Y 5V _0 4
K B -S I 5
K B -S I 6
K B -S O 14
K B -S O 9
K B C _ S P I _ C E #
C K 3 2 K
L C D _B R I GH T N E S S
K/B MATRIX
FLASH
LPC
SMBUS
PS/2
PWM
UART
DAC
CLOCK
IT8518
CIR
ADC
WAKE UP
PWM/COUNTER
LPC/WAKE UP
EXT GPIO
GP INTERRUPT
WAKE UP
GPIO
U 2 3
I T8 5 1 8E
W R S T #
14
L P C C L K
13
L A D 0
10
L A D 1
9
L A D 2
8
L A D 3
7
L F R A ME #
6
( P D )L P C P D # / W U I 6 / G P E 6
17
S E R I R Q
5
E C S MI # / G P D 4 ( P U )
15
E C S C I # / G P D 3 ( P U )
23
G A 2 0/ G P B 5
1 26
K B R S T #/ GP B 6 ( P U )
4
K S I 0 / S T B #
58
K S I 1 / A F D #
59
K S I 2 / I N I T #
60
K S I 3/ S LI N #
61
K S I 4
62
K S I 5
63
K S I 6
64
K S I 7
65
K S O 0/ P D 0
36
K S O 1/ P D 1
37
K S O 2/ P D 2
38
K S O 3/ P D 3
39
K S O 4/ P D 4
40
K S O 5/ P D 5
41
K S O 6/ P D 6
42
K S O 7/ P D 7
43
K S O8 / A C K #
44
K S O 9/ B U S Y
45
K S O 1 0/ P E
46
K S O1 1 / E R R #
51
K S O1 2 / S LC T
52
K S O1 3
53
K S O1 4
54
K S O1 5
55
VC
C
11
VST
BY
26
VS
T
BY
50
VST
BY
92
VST
BY
11
4
VST
BY
127
VST
BY
12
1
VBAT
3
AVC
C
74
P S 2C LK 0 / G P F 0 ( P U )
85
P S 2D A T0 / G P F 1 ( P U )
86
P S 2C LK 1 / G P F 2 ( P U )
87
( P D )T MR I 0/ W U I 2 / GP C 4
12 0
( P D )T MR I 1/ W U I 3 / GP C 6
12 4
L P C R S T # / W U I 4 / GP D 2 ( P U )
22
( P D )W U I 5 / G P E 5
35
P W R S W / G P E 4 ( P U )
1 25
R I 1 #/ W U I 0 / GP D 0( P U )
18
R I 2 #/ W U I 1 / GP D 1( P U )
21
( P D ) R I N G # / P W R F A I L # / L P C R S T# / G P B 7
11 2
T X D / G P B 1 ( P U )
1 09
R X D / GP B 0( P U )
1 08
( P D )C TX / G P B 2
12 3
P S 2D A T1 / G P F 3 ( P U )
88
P S 2C LK 2 / G P F 4 ( P U )
89
P S 2D A T2 / G P F 5 ( P U )
90
( P D )T A C H 0 / GP D 6
47
( P D )T A C H 1 / GP D 7
48
P W M0 / GP A 0 ( P U )
24
P W M1 / GP A 1 ( P U )
25
P W M2 / GP A 2 ( P U )
28
P W M3 / GP A 3 ( P U )
29
P W M4 / GP A 4 ( P U )
30
P W M5 / GP A 5 ( P U )
31
P W M6 / GP A 6 ( P U )
32
P W M7 / GP A 7 ( P U )
34
A D C 0 / GP I 0
66
A D C 1 / GP I 1
67
A D C 2 / GP I 2
68
A D C 3 / GP I 3
69
A D C 4 / GP I 4
70
A D C 5 / GP I 5
71
A D C 6 / GP I 6
72
A D C 7 / GP I 7
73
VSS
1
VS
S
12
VSS
27
VSS
49
VSS
12
2
VSS
11
3
AVSS
75
C K 3 2K E
2
C K 3 2K
12 8
D A C 3 / GP J3
79
D A C 2 / GP J2
78
G P J 1
77
G P J 0
76
( P D )E GC S # / G P E 2
83
( P D )E GC L K / G P E 3
84
( P D )E G A D / G P E 1
82
G I N T / GP D 5 ( P U )
33
L 8 0 LL A T / GP E 7 ( P U )
20
VSS
91
D A C 5 / GP J5
81
D A C 4 / GP J4
80
P W U R E Q # / GP C 7( P U )
16
( P D )C R X / GP C 0
11 9
( P D )K S O1 6 / GP C 3
56
( P D )K S O1 7 / GP C 5
57
( P D )GP H 0/ I D 0
93
( P D )GP H 1/ I D 1
94
( P D )GP H 2/ I D 2
95
( P D )GP H 3/ I D 3
96
( P D )GP H 4/ I D 4
97
( P D )GP H 5/ I D 5
98
( P D )GP H 6/ I D 6
99
( P D )GP G 1/ I D 7
10 7
S M C L K 0 / GP B 3
1 10
S M D A T 0 / GP B 4
1 11
S M C L K 1 / GP C 1
1 15
S M D A T 1 / GP C 2
1 16
S M C L K 2 / GP F 6 ( P U )
1 17
S M D A T 2 / GP F 7 ( P U )
1 18
F L F R A ME # / GP G 2
10 0
F L A D 0 / S C E #
10 1
F L A D 1/ S I
10 2
F L A D 2 / S O
10 3
F L A D 3 / GP G 6
10 4
F L C L K / S C K
10 5
( P D )F LR S T #/ W U I 7 / GP G 0/ T M
10 6
( P D )L 80 H LA T / G P E 0
19
LOW ACTIVE
C 30 3
*3 3p _ 5 0V _N P O_ 0 4
3 G_ P W R _E N
[ 2 3]
K B C _ S P I _ C E #
C 28 4
*3 3p _ 5 0V _N P O_ 0 4
C 29 0
*3 3p _ 5 0V _N P O_ 0 4
K B C _ S P I _ S C L K
K B C _ S P I _ S O
C 29 7
*3 3p _ 5 0V _N P O_ 0 4
K B C _ S P I _ S I
.
L 21
H C B 10 0 5K F -12 1 T 20
MO DE L_I D
X
V 1. 0
RB
C 2 1 9
*0 . 1u _ 1 0V _ X 5 R _ 0 4
W 24 0H U
R 3 1 2
*1 0_ 0 4
11/02
R A
3 G_ D E T#
1 0K
B A T_ V O LT
80 C L K
RB
RA
C 2 1 7
1 u _6 . 3 V _ Y 5 V _ 04
.
L1 9
H C B 1 0 0 5K F -12 1 T 20
B A T _ V OL T
E C _V S S
P C LK _ K B C
L C D _B R I GH T N E S S
K B C _W R E S E T #
C 2 4 6
*1 0 p _5 0 V _ N P O _0 6
S M D _ B A T
M OD E L_ I D
R 29 9
1 0 0K _ 0 4
C 2 5 2
0 . 1u _ 1 6V _ Y 5V _ 0 4
S M C _ B A T
HIGH ACTIVE
C C D _ D E T#
B A T _ D E T
V D D 3
3G _ E N
[ 2 3 ]
A C _ I N #
J _K B 2
8 5 2 01 -2 4 05 1
2 4
2 3
2 2
1 4
1 2
1 1
2 1
8
2 0
1 9
6
5
1 8
4
1 7
1 0
9
7
3
2
1
1 6
1 5
1 3
K B C _ S P I _ S I _ R
K B C _ H O LD #
K B C _ S P I _ C E # _ R
V D D 3
K B C _ F L A S H
K B C _ S P I _ S C L K _ R
U 3 1
M X 25 L 3 20 6 E
P C B F o ot p ri nt = A C A -S P I -0 0 4-T 0 3
C E #
1
S O
2
W P #
3
V S S
4
S I
5
S C K
6
H OL D #
7
V D D
8
Co-lay SPI ROM
K B C _ S P I _ S O_ R
ME _W E
[ 1 3 ]
K B C _ A GN D
S MD _ B A T
K B C _A G N D
S MC _ B A T
C H G_ E N
[ 38 ]
S W I # [ 1 5 ]
K B C _R S T # [ 1 8 ]
D D _ ON
[ 26 , 3 1 , 32 ]
C C D _ E N
[ 23 ]
R S MR S T # [ 1 5 ]
3I N 1
[ 2 2 ]
8 0 C L K
[ 22 ]
B K L _ E N [ 1 1 ]
W L A N _ D E T#
[ 2 2 ]
L P C _A D 0
[ 1 3 , 23 ]
T P _ D A T A
[ 30 ]
L P C _A D 1
[ 1 3 , 23 ]
L P C _A D 2
[ 1 3 , 23 ]
S E R I R Q
[ 13 , 2 3 ]
B U F _ P L T_ R S T#
[ 1 7 , 2 2, 2 4 , 2 6]
L P C _ F R A ME #
[ 1 3, 2 3 ]
S M D _ B A T
[ 38 ]
S M C _ B A T
[ 38 ]
S MD _ C P U _ T H E R M
[ 2 , 1 4]
T P _ C L K
[ 30 ]
L P C _A D 3
[ 1 3 , 23 ]
3 G_ D E T #
[ 2 3 ]
P W R _ S W #
[ 3 1]
P C L K _ K B C
[ 1 7]
H _P E C I
[ 3 , 18 ]
A C _ I N #
[ 26 , 3 8 ]
S MC _ C P U _ T H E R M
[ 2 , 1 4]
LE D _ P W R
[ 2 8]
B R I G H T N E S S
[ 1 1 ]
B A T _ D E T
[ 3 8 ]
W 25 0H UQ
W 27 0H UQ
L E D _ C A P #
[ 2 8 ]
LE D _ B A T_ F U LL
[ 2 8]
L E D _ N U M#
[ 2 8 ]
W 24 0HU /W 27 0HU
W L A N _ E N
[ 2 2, 2 8 ]
C P U _F A N
[ 3 0]
L E D _B A T _ C H G
[ 28 ]
C 26 4
0 . 1 u_ 1 6 V _Y 5 V _0 4
H S P I _M S I [ 1 3 ]
K B C _ B E E P
[ 2 9]
GA 2 0
[ 1 8 ]
H S P I _C E # [ 1 3]
H S P I _S C L K [ 1 3]
H S P I _M S O [ 1 3 ]
R 2 8 8
*1 0 m il _ 0 4
B T _D E T #
[ 22 , 2 8 ]
8 Mb it
T OT A L _C U R
[ 3 8 ]
K B C _ F L A S H
K B C _ W R E S E T #
R 3 4 6 4 . 7 K _ 04
R 3 6 0 1 K _ 0 4
U 3 0
* S S T 2 5V F 0 8 0 B S O8
C E #
1
S O
2
W P #
3
V S S
4
S I
5
S C K
6
H OL D #
7
V D D
8
K B C _ S P I _ S O_ R
K B C _ S P I _ S O
K B C _ S P I _ S I
K B C _ S P I _ S I _ R
KBC_SPI_*_R = 0.1"~0.5"
K B C _ S P I _ S C L K _ R
K B C _ S P I _ C E # _ R
LE D _ S C R OL L #
[ 2 8 ]
A P _ K E Y #
M OD E L_ I D
W E B _ W W W #
[ 3 0 ]
C 23 8
0 . 1 u_ 1 6 V _Y 5 V _0 4
R 3 3 6
*0 _ 0 4
11/0 1
R 3 35
*0 _ 04
R 3 3 0
0_ 0 4
P M E # [ 17 ]
C 2 88
0 . 1u _ 1 6V _ Y 5V _ 0 4
P MP C H _ P W R OK _ R
10K
R 30 0
*0 _ 0 4
A C _ P R E S E N T
[ 15 , 1 7 ]
1
J_KB1
L A N _ P C I E _W A K E # [ 24 ]
24
C 2 56
0 . 1 u _1 6 V _ Y 5 V _ 04
X
R 3 29
0 _0 4
C 2 3 4
0 . 1u _ 1 6V _ Y 5V _ 0 4
R 3 06
*0 _ 0 4
11/ 03
R 3 15
*0 _ 0 4
R 6 06
0 _0 4
H _ P R O C H OT _ E C [ 3 ]
C 2 6 6
10 u _ 10 V _ Y 5 V _ 0 8
C 2 50
0 . 1 u _1 6 V _ Y 5 V _ 04
R 30 3
*0 _ 0 4
P M_ P C H _ P W R O K
[ 1 5 ]
C E L L _C ON TR OL [ 3 8 ]
3 G_ D E T #
V D D 3
C 23 3
*0 . 1 u _1 6 V _ Y 5 V _ 04
A P _ K E Y #
OC P P E # [ 1 8]
P ME # _ R
P M _P C H _ P W R OK [ 1 5 ]
V C OR E _ O N [ 3 6 ]
C 2 22
0 . 1 u _1 6 V _ Y 5 V _ 04
11/04
R 3 5 3
1 00 K _ 0 4
11/29
R 3 31
0 _0 4
R 32 0
0 _0 4
8 0 P OR T _ D E T #
S U S _P W R _ A C K [ 1 5 ]
R 3 2 6
*0 _ 04
N B _E N A V D D
[ 1 1, 1 6 ]
C 2 3 2
*0 . 1 u_ 1 6 V _Y 5 V _0 4
Sheet 27 of 43
KBC-ITE IT8518
Summary of Contents for W270HUQ Series
Page 1: ...W270HUQ Series ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer W270HUQ Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 42: ...Disassembly 2 18 2 Disassembly ...
Page 45: ...Top A 3 A Part Lists Top 灰 色 Figure A 1 Top ...
Page 46: ...A 4 Bottom A Part Lists Bottom Figure A 2 Bottom ...
Page 47: ...SATA BLU RAY COMBO A 5 A Part Lists SATA BLU RAY COMBO 志精 Figure 3 SATA BLU RAY COMBO ...
Page 48: ...A 6 SATA DVD DUAL A Part Lists SATA DVD DUAL Figure 4 SATA DVD DUAL 志精 ...
Page 49: ...LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 50: ...A 8 LCD A Part Lists ...
Page 95: ...www s manuals com ...