Kbc-Ite It8518 - Clevo W253CZQ Service Manual

KBC-ITE IT8518

VDD3
C222 C266 C211 C264 C256
0.1u_16V_Y 5V_04 10u_10V_Y5V_08 0.1u_16V_Y5V_04 0.1u_16V_Y5V_04 0.1u_16V_Y 5V_04
L21 HCB1005KF-121T20 EC_VCC
3.3VS
C252
0.1u_16V_Y5V_04
U23
10
[13,23] LPC_AD0
9 LAD0
[13,23] LPC_AD1 LAD1
8
[13,23] LPC_AD2 LAD2
7
[13,23] LPC_AD3 LAD3
PCLK_KBC 13
[17] PCLK_KBC
6 LPCCLK
[13,23] LPC_FRAME#
5 LFRAME#
[13,23] SERIRQ SERIRQ
22
[11,22,24,26] BUF_PLT_RST# LPCRST#/WUI4/GPD2( PU )
KBC_WRESET# 14
WRST#
126
[18] GA20 GA20/GPB5
4
[39] AC_IN#
KBRST#/GPB6( PU )
16
[29] LED_ACIN
20 PWUREQ#/GPC7( PU )
*0_04 R300
[15,17] AC_PRESENT L80LLAT/GPE7( PU )
*0_04 R303
[15] PM_PCH_PWROK
23
[18] SMI# ECSCI#/GPD3( PU )
15
[18] SCI#
ECSMI#/GPD4( PU )
DAC
76
½ÐEC Pin 78
[22,29] WLAN_EN GPJ0
77
³]¸m¬°HI enable
[30] KBC_MUTE#
GPJ1
78
[13] ME_WE
79 DAC2/GPJ2
[31] CPU_FAN DAC3/GPJ3
80
[31] WEB_WWW# DAC4/GPJ4
81
DAC5/GPJ5
ADC
66
BAT_DET
[39] BAT_DET ADC0/GPI0
BAT_VOLT 67
[39] BAT_VOLT ADC1/GPI1
AP_KEY# 68
[31] AP_KEY #
69 ADC2/GPI2
[2] THERM_VOLT ADC3/GPI3
70
[39] TOTAL_CUR ADC4/GPI4
3G_DET# 71
[23] 3G_DET# ADC5/GPI5
CCD_DET# 72
[22] CCD_DET#
ADC6/GPI6
MODEL_ID 73
ADC7/GPI7
SMBUS
SMC_BAT 110
[39] SMC_BAT
SMCLK0/GPB3
SMD_BAT 111
[39] SMD_BAT
115 SMDAT0/GPB4
SMCLK1/GPC1
116
R606 43_1%_04
[3,18] H_PECI SMDAT1/GPC2
117
[14] SMC_CPU_THERM SMCLK2/GPF6( PU )
R328 *0_04 118
[14] SMD_CPU_THERM
SMDAT2/GPF7( PU )
PWM
24
[11] BRIGHTNESS PWM0/GPA0( PU )
25
[30] KBC_BEEP PWM1/GPA1( PU )
28
[29] LED_SCROLL#
29 PWM2/GPA2( PU )
LOW ACTIVE
[29] LED_NUM# PWM3/GPA3( PU )
30
[29] LED_CAP# PWM4/GPA4( PU )
31
[29] LED_BAT_CHG
PWM5/GPA5( PU )
32
HIGH ACTIVE
[29] LED_BAT_FULL 34 PWM6/GPA6( PU )
[29] LED_PWR PWM7/GPA7( PU )
PS/2
80CLK 85
[22] 80CLK
86 PS2CLK0/GPF0( PU )
[22] BT_DET#
87 PS2DAT0/GPF1( PU )
[22] 3IN1 PS2CLK1/GPF2( PU )
88
[31] WEB_EMAIL# PS2DAT1/GPF3( PU )
89
[31] TP_CLK PS2CLK2/GPF4( PU )
90
[31] TP_DATA
PS2DAT2/GPF5( PU )
WAKE UP
125
[23] 3G_EN PWRSW/GPE4( PU )
18
[32] PWR_SW# RI1#/WUI0/GPD0( PU )
21
[11,31] LID_SW# RI2#/WUI1/GPD1( PU )
GP INTERRUPT
33
[15] PWR_BTN#
GINT/GPD5( PU )
UART
108
[22] WLAN_POWER_EN
109 RXD/GPB0( PU )
[22] WLAN_DET# TXD/GPB1( PU )
IT8518E/HX
EC_VSS
C250 0.1u_16V_Y5V_04
KBC_AVDD
L19
HCB1005KF-121T20
VDD3
C234 C233 C232
0.1u_16V_Y 5V_04 *0.1u_16V_Y 5V_04 *0.1u_16V_Y5V_04
KBC_AGND
1 24
J_KB1
W24EU/W27EU J_KB2 W25EU
85208-24051
58 4
KB-SI0 KB-SI0
KSI0/STB# 59 5
KB-SI1 KB-SI1
KSI1/AFD#
60 KB-SI2 6 KB-SI2
KSI2/INIT#
61 KB-SI3 8 KB-SI3
KSI3/SLIN#
62 KB-SI4 11 KB-SI4
KSI4 63 12
KB-SI5 KB-SI5
KSI5 64 14
LPC K/B MATRIX KB-SI6 KB-SI6
KSI6
65 KB-SI7 15 KB-SI7
KSI7
36 KB-SO0 1 KB-SO0
KSO0/PD0
37 2
KB-SO1 KB-SO1
KSO1/PD1
38 KB-SO2 3 KB-SO2
KSO2/PD2
39 KB-SO3 7 KB-SO3
KSO3/PD3
40 KB-SO4 9 KB-SO4
KSO4/PD4 41 10
KB-SO5 KB-SO5
KSO5/PD5
42 KB-SO6 13 KB-SO6
KSO6/PD6
43 KB-SO7 16 KB-SO7
KSO7/PD7
44 KB-SO8 17 KB-SO8
KSO8/ACK# 45 18
KB-SO9 KB-SO9
KSO9/BUSY 46 19
KB-SO10 KB-SO10
KSO10/PE
51 KB-SO11 20 KB-SO11
KSO11/ERR#
52 KB-SO12 21 KB-SO12
KSO12/SLCT
53 KB-SO13 22 KB-SO13
KSO13 54 23
KB-SO14 KB-SO14
KSO14
55 24
KB-SO15 KB-SO15
IT8518
KSO15
FLASH
100
FLFRAME#/GPG2 3G_PWR_EN [23]
101 KBC_SPI_CE#
FLAD0/SCE#
102 KBC_SPI_SI
FLAD1/SI 103
KBC_SPI_SO PMPCH_PWROK_R
0626 D02
FLAD2/SO
104
FLAD3/GPG6
105 KBC_SPI_SCLK_C
FLCLK/SCK
106
CCD_EN [22]
( PD )FLRST#/WUI7/GPG0/TM
GPIO
56
( PD )KSO16/GPC3 SUSB# [6,15,32]
57
SUSC# [15,34]
( PD )KSO17/GPC5
SUSB#
93
( PD )GPH0/ID0 SUS_PWR_ACK [15]
94
( PD )GPH1/ID1 BT_EN [22,29]
95
( PD )GPH2/ID2 BKL_EN [11]
96 SPI_CS#
( PD )GPH3/ID3 97
R772 33_04
( PD )GPH4/ID4 SPI_SCLK_R [13]
98
R773 33_04
( PD )GPH5/ID5 SPI_SO_R [13]
99
R774 33_04
SPI_SI_R [13]
( PD )GPH6/ID6
107
( PD )GPG1/ID7 DD_ON [27,32,33]
EXT GPIO
82
( PD )EGAD/GPE1 USB_CHARGE_EN [32,33]
83
PMOSFET_ CONTROL# [39]
( PD )EGCS#/GPE2
84
( PD )EGCLK/GPE3
WAKE UP
35
( PD )WUI5/GPE5 RSMRST# [15]
17
KBC_RST# [18]
( PD )LPCPD#/WUI6/GPE6
PWM/COUNTER
47
( PD )TACH0/GPD6 CPU_FANSEN [31]
48
H_PROCHOT_EC [3]
( PD )TACH1/GPD7
120
PMPCH_PWROK_R R336 *0_04
( PD )TMRI0/WUI2/GPC4
124
( PD )TMRI1/WUI3/GPC6 ALL_SY S_PWRGD [11,15,37]
CIR
119 USB_CHR_DET
( PD )CRX/GPC0
123
PME#_R R335 *0_04
( PD )CTX/GPB2 PME# [17]
R331 *10mil_04
LAN_PCIE_WAKE# [24]
LPC/WAKE UP
19
SWI# [15]
( PD )L80HLAT/GPE0
112
R326 *0_04
( PD )RING#/PWRFAIL#/LPCRST#/GPB7 NB_ENAVDD [11,16]
CLOCK
2
CK32KE
128
CK32K
Single ROM
[13] SPI_CS0#_R
R817 *20mil_04
[13] SPI_CS1#_R
Dual ROM (4M+2M)
KBC_AGND
[3,9,10,11,12,13,14,15,16,17,18,19,20,23,24,25,29,30,31,32,37]
0712 D02
VDD3
RN11 MODEL_ID Voltage
CCD_DET#
2.2K_8P4R_04
SMC_BAT 4 5
3 6
SMD_BAT W240EU 3.3V
2 7
C716
1 8
180p_50V_NPO_04 W243EU 2.18V
RN10
10K_8P4R_04
4 5
BAT_DET W250EU 0V
AP_KEY # 3 6
3G_DET# 2 7
CCD_DET# 1 8 W270EU 1.65V
J_KB1
*85208-24051
4
W/ USB CHARGER¡GHigh
5
VDD3
*
6 MODEL_ID
R292
8 USB_CHR_DET
R770 *10K_04
x
11 R293
12
14
R771 10K_04
15
1 W/O USB CHARGER¡GLow (Default)
2
3
7 PCLK_KBC PCLK_KBC_R
R312 *10_04
9
10 VDD3
13 BAT_VOLT
16
17
18
R299 AC_IN#
19
20
100K_04
21
22 KBC_WRESET#
Share ROM ¥Î¦¹®Æ
23
24
C238
Co-lay SPI ROM
0.1u_16V_Y5V_04 VDD3
U31
8
VDD
R330 *10mil_04
PM_PCH_PWROK [15]
3.3V KBC_FLASH 3
WP#
1 7
KBC_HOLD#
HOLD#
4
2 MX25L3206E
PCB Footprint = ACA-SPI-004-T03
U50
*74AHC1G08GW
BIOS + EC ROM
VDD3
C288 KBC_SPI_*_R = 0.1"~0.5"
8Mbit
0.1u_16V_Y5V_04
U30
8 5
KBC_SPI_SI_R R366
VDD SI
2 KBC_SPI_SO_R
R355
SO
1 KBC_SPI_CE#_R
R342
CE# 6
R360 1K_04 KBC_SPI_SCLK_R R359
3 SCK
KBC_FLASH
WP#
R346 4.7K_04
7 4
KBC_HOLD#
VCORE_ON [37] HOLD# VSS
*SST25VF080B SO8
It will be removed after PVT phase
VDD3
J_80DEBUG1 R353
1
3IN1
10K_04
2
80CLK
3
80DET# 80DET#
4
5
88266-05001
R792 *0_04
R793 0_04 SPI_CS#
[2,3,6,11,13,14,15,17,18,19,20,22,23,26,32,34,35,36] 3.3V
[13,22,23,24,26,31,32,33,39] VDD3
3.3VS
Schematic Diagrams
RA RB
10K X
5.1K 10K
X 10K
10K 10K
VDD3
RA
10K_04
*10K_04
RB
C246 *10p_50V_NPO_04
C217 1u_6.3V_X5R_04
C258 0.1u_16V_Y5V_04 Sheet 28 of 44
KBC-ITE IT8518
5 KBC_SPI_SI_R
SI
2
KBC_SPI_SO_R
SO
1 KBC_SPI_CE#_R
CE#
6 KBC_SPI_SCLK_R
SCK
4
VSS
47_04 KBC_SPI_SI
KBC_SPI_SO
15_1%_04
KBC_SPI_CE#
15_1%_04
47_04 KBC_SPI_SCLK_C
0626 D02
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KBC-ITE IT8518 B - 29