Service manual

Schematic Diagrams
B - 16 KBC-ITE IT8502E-J, TP, LID
B.Schematic Diagrams
KBC-ITE IT8502E-J, TP, LID
Sheet 15 of 29
KBC-ITE IT8502E-J,
TP, LID
U1 1
M X 25 L1 60 6E M 2 I - 12 G
CE#
1
SO
2
WP#
3
VSS
4
SI
5
SCK
6
HOLD#
7
VDD
8
C1 69
*0.1u _16V_Y5V_04
RN 4
2.2K_8P4R_04
1
2
3
45
6
7
8
C3 4
* 1 00 p _5 0V _ X7 R _ 04
R176 1K_04
J_FAN1
85205-03701
1
2
3
C118 0.1u_16V_Y5V_04
HSPI_ SCLK 1 0
HSPI_CE# 10
HSPI_ MSI 10
R 270 *100K_04
HSPI_ MSO 10
C141 *0.1u_16V_Y5V_04
C1 94
0.1 u _1 6V _ Y 5V _ 04
C2 14
0 . 1u _1 6V _ Y 5V _ 04
C35
*1u_10V_Y5V_06
R169
*1 0m i l_ sh ort
C 17 4 0 . 1u _1 6V _ Y 5V _ 04
R 171 15_1% _04
C213
* 15p_50V_N PO _04
C220
0. 1 u_ 16 V _Y 5V _0 4
RP1
*10P8RX10K
10
9
8
7
6
1
2
3
4
5
C64
*0 .1 u _1 6V _ Y 5V _ 04
R 174 15_1% _04
C250
* 4.7u_10V_Y5 V_08
R17 5 4.7K_04
X4 *MC-306_32.768KHz
1 4
32
C 15 3 0 . 1u _1 6V _ Y 5V _ 04
KBC_AVDD
VDD 3
1.05VS_PWRGD20
VDD3
3.3VS
KBC_AGND
VDD3
KBC_ AG ND
VD D 3
VDD3
VDD3 _ LID
5V S
5V S _ F AN 5V S
3.3VS
5V S _F A N
Keyboard ??????5X5mm????Ground
Pad.(?????????)?????gasket.
??????????.
SMC_BAT
3. 3 V
VDD3
VDD 3_EC
3.3VS3,6,7,8,9,10,11,12,13,14,16,21
KBC_R SM RST# 10
LP C _S I R Q9,16
VDD310,13,16,18,21,23
SUSB# 10,21
AC_IN#18
BUF_PLT_RST#10,13,16
KBC_ SPI_SO
LE D _ P WR12
BKL_ EN 12
TH ER M_ALERT#10
SUSC# 10,19
KBC_PCLK7
PME# 8,13
LED _ACIN12
LPC_FRAME#10,16
BT_EN 12,13
LPC_AD310,16
LPC_AD110,16
LPC_AD210,16
80CLK13
LPC_AD010,16
D E L AY _ A L L_ SY S_ P W R G D 4 ,10
L ED_BAT _F UL L12
PW R_SW#21
CCD _EN 13
KBC_SW I# 1 0
ALL_SY S_PWRGD 7,10
KBC_R ST# 9
KBC_GA20 #9
BAT_DET18
SMD_BAT18
SMC_BAT18
LCD_ BRIGHTNESS12
BAT_VO LT18
SMC_BAT
5VS11,12,13,14,16,21
KBC_ SPI_SI
KBC_SMI#10
SMD _CPU_VCORESET
SMC _CPU_VCORESET22
KBC_SCI#10
KBC_ SPI_ CE#
CPU_ FAN
SMD _CPU_VCORESET22
KBC_BEEP14
KBC_ PW RBTN#10
LED_ BAT_CHG12
LI D _ S W# 1 2
KBC_MUTE#14
WLAN_EN12,13
3I N 113
3G_PWR_EN 13
BT_ DET#13
3G _ E N13
WLAN_DET#13
DD_ON 17,21,23
USB_CHARGE_EN 21 ,23
TH E R M _ V O L T2
VCORE_ON 22
CHG _RST 1 8
TO T A L _ C U R18
1.8VS2,5,21
3.3V2,8 , 10 , 1 1, 1 2, 1 3, 1 7, 1 9, 2 0, 2 1, 2 2
pin68 to
1.8v
pin93 active
higt
3.3VS_PRIME5,11,21
U2
AX995SA
VO U T
3
GND
5
VI N
2
FO N
1
VS E T
4
GND
6
GND
7
GND
8
3.3VS_PRIME5,11,21
KBC _SPI_HO LD#
KBC_SPI_SCLK_R
R 271 100K_04
KBC_SPI_SO _R
VDD3_LID21 , 23
LCD_BRIGHTN ESS
KB - S I 0
KB - S O 8
KB - S O 1
KB - S O 4
KB - S O 1 5
KB - S O 7
KB - S O 6
KB - S O 1 0
KB - S O 1 4
KB - S I 3
KB - S O 0
KB - S I 6
KB - S I 7
KB - S I 1
KB - S O 1 1
KB - S I 2
KB - S I 5
KB - S O 1 2
KB - S O 5
KB - S I 4
KB - S O 3
KB - S O 1 3
KB - S O 2
KB - S O 9
MODEL_ID
RA
RB
RA
XV1 . 0
R42
*0_04
RB
10K
FON#
W210CU
2
1
TP CONN.
J_TP1
4
1
3
PN: 6-20-94A50-104
LID SWITCH IC
V3 . 0
2nd So urce
PN: A PE8 8 7 4
d0 3
X
CPU_F ANSEN
CPU_FANSEN
FAN CONTROL
KBC_W RESET#
5VS_FAN
CPU_F AN
5VS
10K
KBC_PCLK
BT_ DET#
IT8518
J_FAN1
PN: 6-20-51130-103
85205-03701
PN: 6-20-51140-103
3801-E03N-01R
3
1
SPI EEROM
LID_SW#KBC_W RESET#
KB C _ S P I _C E #
KBC _PCLK_R
BAT_VOLT
AC_IN#
C280 *10u_10V_Y5V_08
DD_O N_L ATCH 2 1
KB C _ P C L K
KBC _SPI_WP#
BRIGHTNESS
Z1601
3G _ D E T#
BAT_D ET
KBC_SPI_SI
AC_IN #
LP C _ A D 0
CCD_ DET#
BAT_VOLT
KBC_SPI_SO
3G _D E T #
BRIGHTNESS
BAT_DET
LP C _ A D 1
KBC_ CK32 KE
KBC_ CK32 K
LP C _ A D 2
KBC_SPI_SCLK
LI D _S W #
LP C _ A D 3
FON#
SMD_BAT
3I N 1
SMC _CPU_VCORESET
TP_DATA
TP_CLK
4/16
3G _D E T #13
???
6- 03- 08518 -0 P2
MODE L _ID
C295
1u_10V_Y5V_06
BT_DET#
D0 3
SM C _ C PU _V C O R E S E T
SM D _ C PU _V C O R E S E T
SMD_BAT
1.8VS_PWRGD 10
D4
*B A V 9 9N3
A
C
AC
KB - S I 4
RN 5
10K_8P4R_04
1
2
3
45
6
7
8
KB - S I 5
KB - S I 6
R 172 15_1% _04
KB - S I 7
KB-SI0
J_TP1
85201-04051
1
2
3
4
KB-SI1
C2 18
*15p_50V_NPO_04
KB-SI2
KB-SI3
R 173 15_1% _04
16M bit
C221
10u_10V_Y5 V_08
R133 10K_04
PN: 6-20-94AF0-124
R15 2 *1 0_ 04
R202 4.7K_04
R 14 1 * 1 0m il _s h or t
KBC_SPI_*_R = 0.1"~0.5"
J_ K B 1
85 20 8- 2 40 5 1
24
23
22
14
12
11
21
8
20
19
6
5
18
4
17
10
9
7
3
2
1
16
15
13
L4 2
*HCB1005KF-121T20_10mil_short
KBC_SPI_ CE#_ R
KBC_SPI_SI_R
C170
0.1u_16V_Y5V_04
R134 * 10 K_04
80 C L K
C203 *0.1u_16V_Y5V_04
TP _ C L K
TP _ D A TA
C183 *10p_50V_NPO_04
L31
* H C B 10 05 K F- 1 21 T 20 _1 0m il _ s h or t
C2 00
0.1 u _1 6V _ Y 5V _ 04
MODE L _ID
KBC_C LKRUN# 10,16
LOW AC TI VE
K/B MATRIX
FLASH
LPC
SMBUS
PS/2
PWM
UART
DAC
CL OC K
IT8518
CIR
ADC
WAKE UP
PWM/COUNTER
LPC/WAKE UP
EXT GPIO
G P IN TE RR UP T
WAKE UP
GPIO
U9
I T 85 18 E V ER :C
WRST#
14
LP C C LK
13
LA D 0
10
LA D 1
9
LA D 2
8
LA D 3
7
LF R A M E #
6
( PD )LPCPD#/W UI6 /GPE6
17
SER IRQ
5
ECSMI#/GPD4( PU )
15
ECSCI#/GPD3( PU )
23
GA20/GPB5
126
KBR ST# /GPB6 ( PU )
4
KSI0/STB#
58
KSI1 /AFD #
59
KSI2 /INIT#
60
KSI3/SLIN #
61
KSI4
62
KSI5
63
KSI6
64
KSI7
65
KSO0/PD 0
36
KSO1/PD 1
37
KSO2/PD 2
38
KSO3/PD 3
39
KSO4/PD 4
40
KSO5/PD 5
41
KSO6/PD 6
42
KSO7/PD 7
43
KSO8 /ACK#
44
KSO 9/BUSY
45
KSO10/PE
46
KSO11/ERR #
51
K S O 12 / S LC T
52
KSO1 3
53
KSO1 4
54
KSO1 5
55
VCC
11
VSTBY
26
VSTBY
50
VSTBY
92
VSTBY
11 4
VSTBY
12 7
VSTBY
12 1
VB A T
3
AVC C
74
PS2CLK0/GPF0( PU )
85
PS2 DAT0/GPF1( PU )
86
PS2CLK1/GPF2( PU )
87
( PD )TMR I0/W UI2/G PC 4
12 0
( PD )TMR I1/W UI3/G PC 6
12 4
LP C R ST #/ W U I 4 / G P D 2( P U )
22
( PD )W UI5/GPE5
35
PWR SW /GPE4 ( PU )
125
RI1# /W UI0/GPD0 ( PU )
18
RI2# /W UI1/GPD1 ( PU )
21
( PD )RING# /PW RF AIL #/LPC RST# /GPB7
11 2
TX D / G P B 1( P U )
109
RXD /GPB0 ( PU )
108
( PD )C TX/GPB2
12 3
PS2 DAT1/GPF3( PU )
88
PS2CLK2/GPF4( PU )
89
PS2 DAT2/GPF5( PU )
90
( PD )TACH0/G PD 6
47
( PD )TACH1/G PD 7
48
PWM 0/GPA0( PU )
24
PWM 1/GPA1( PU )
25
PWM 2/GPA2( PU )
28
PWM 3/GPA3( PU )
29
PWM 4/GPA4( PU )
30
PWM 5/GPA5( PU )
31
PWM 6/GPA6( PU )
32
PWM 7/GPA7( PU )
34
ADC0 /GPI0
66
ADC1 /GPI1
67
ADC2 /GPI2
68
ADC3 /GPI3
69
ADC4 /GPI4
70
ADC5 /GPI5
71
ADC6 /GPI6
72
ADC7 /GPI7
73
VSS
1
VSS
12
VSS
27
VSS
49
VSS
12 2
VSS
11 3
AV S S
75
CK3 2KE
2
CK3 2K
12 8
DAC3 /GPJ3
79
DAC2 /GPJ2
78
GPJ1
77
GPJ0
76
( PD )EGCS# /GPE2
83
( PD )EGCL K/GPE3
84
( PD )EGAD/GPE 1
82
GINT /GP D5( P U )
33
L8 0L L AT / G P E 7( P U )
20
VSS
91
DAC5 /GPJ5
81
DAC4 /GPJ4
80
PWU REQ#/GPC7 ( PU )
16
( PD )CRX/G PC 0
11 9
( PD )KSO16/G PC 3
56
( PD )KSO17/G PC 5
57
( PD )GPH0 /ID 0
93
( PD )GPH1 /ID 1
94
( PD )GPH2 /ID 2
95
( PD )GPH3 /ID 3
96
( PD )GPH4 /ID 4
97
( PD )GPH5 /ID 5
98
( PD )GPH6 /ID 6
99
( PD )GPG1 /ID 7
10 7
SMCLK0/GPB3
110
SMDAT0 /GPB4
111
SMCLK1/GPC1
115
SMDAT1 /GPC2
116
SMCLK2/GPF6( PU )
117
SMDAT2 /GPF7( PU )
118
FL FRAME#/G PG 2
10 0
FLAD0/SCE#
10 1
FLAD1/SI
10 2
FLAD 2/SO
10 3
FLAD3/G PG 6
10 4
FLCLK/SCK
10 5
( P D ) F LR ST #/ W U I 7 / G P G 0/ T M
10 6
( PD )L 80 HLAT /GP E 0
19
KBC_ SPI_SCLK
NC 1 N C_04
C192
0 . 1u _1 6 V _ Y 5 V_ 04
R3 2 1 00 K_0 4
R1 65 *10M_04
C30 0.1u_16V_Y5V_04
C2 44
10u_6.3V_X5R_06
U1
PT3661G-BB
VCC
1
GND
2
OUT
3
R146 100K_04
C1 67
0 . 1u _1 6V _ Y 5V _ 04
C173 *0.1u_16V_Y5V_04