Kbc-Ite It8502E - EUROCOM TN120T Service Manual

KBC-ITE IT8502E

VDD3
C475 C202 C189
10u_10V_08 0. 1u_16V _04 0. 1u_16V_04
C217
0. 1u_10V _X 7R _04
3.3VS
U 5
LPC_A D 0 10
12, 19 LP C _AD0
LAD0
LPC_A D 1 9
12, 19 LP C _AD1
LAD1
LPC_A D 2 8
12, 19 LP C _AD2
LAD2
LPC_A D 3 7
12, 19 LP C _AD3 LAD3
PCLK_KBC 13
17 PCLK_KB C LPCC LK
LPC_FR AME# 6
12,19 LPC_FRAME# LFRAME#
SER IRQ
5
14, 19 SERI RQ SER IRQ
BUF_PLT_RST#
22
13,19, 20, 23 BUF_PLT_R S T# LPCR ST#/ WUI4/G P D 2( PU )
KBC _WR E SET# 14
WRST#
H8_GA20 126
GA20/GPB5
LED_A C IN# 4
24 LED _ACIN #
KBR ST#/ GPB6( PU )
AC_I N# 16
30 AC _IN #
PWUREQ #/GPC 7( PU )
THER M_ALERT# 20
2 THERM_ALERT#
L80LLAT/GPE7( PU )
ENTERKEY# 23
18 ENTERKEY# ECSCI#/GPD 3( PU )
POPMENU# 15
18 POPMENU # ECSMI#/GPD 4( PU )
DAC
CPU_FAN_R 76
DAC0/GPJ0
SYS_FAN_R 77
DAC1/GPJ1
WLAN_PWR 78
19 WLAN_PWR
DAC2/GPJ2
WLAN_EN 79
19, 24 W LAN_EN DAC3/GPJ3
3G_PWR 80
23 3G_PWR DAC4/GPJ4
KBC _MU TE# 81
21 KBC _MU TE#
DAC5/GPJ5
ADC
BAT_DET 66
ADC0/GPI 0
BAT_VOLT_R 67
ADC1/GPI 1
CHG _CU R_R 68
ADC2/GPI 2
TOTAL_C UR_R 69
ADC3/GPI 3
SUS_PWR_ACK
70
14 SUS_PW R_ACK ADC4/GPI 4
3G_DET# 71
23 3G_D ET#
ADC5/GPI 5
CCD _DET# 72
23 CCD_DET#
ADC6/GPI 6
MOD E L_I D 73
ADC7/GPI 7
SMBUS
SMC_BAT R145 10_04 110
30 SMC _BAT SMCLK0/GPB3
SMD_BAT R141 10_04 111
30 SMD _BAT SMDAT0/GPB4
SMC_CPU_THERM 115
2 SMC_CPU_THERM SMCLK1/GPC 1
SMD_CPU_THERM 116
2 SMD_CPU_THERM SMDAT1/GPC 2
SMC_MDMSI C
117
24 SMC_MD MSIC SMCLK2/GPF6( PU )
SMD_MEMSIC
118
24 SMD_MEMS I C SMDAT2/GPF7( PU )
PWM
LCD _BRI GHTNES S 24
PWM0/GPA0( PU )
KBC _BEEP 25
21 KBC_BE EP
PWM1/GPA1( PU )
LED_S C ROLL# 28
23 LED_SCROLL#
PWM2/GPA2( PU )
LED_NUM# 29
23 LED _NUM# PWM3/GPA3( PU )
LED_CAP# 30
23 LED_C A P# PWM4/GPA4( PU )
LOW ACTIVE LED_B AT_CH G# 31
24 LED_B AT_CHG # PWM5/GPA5( PU )
LED_B AT_FULL#
32
24 LED_B AT_FULL# PWM6/GPA6( PU )
LED_P W R#
34
24 LED_PWR # PWM7/GPA7( PU )
PS/2
80C LK 85
PS2CLK0/GPF0( PU )
3I N1 86
PS2DAT0/GPF1( PU )
80D ET# 87
PS2CLK1/GPF2( PU )
PME# 88
13 PME#
PS2DAT1/GPF3( PU )
TP_C LK 89
24 TP_CLK PS2CLK2/GPF4( PU )
TP_D A TA 90
24 TP_DATA PS2DAT2/GPF5( PU )
WAKE UP
THER M_RST# 125
PWRSW/ GPE4( PU )
PWR_SW #
18
25 PW R_SW# RI 1#/ WUI 0/GPD 0( PU )
LI D_SW#
21
18, 23 LID_S W #
RI 2#/ WUI 1/GPD 1( PU )
GP INTERRUPT
L_BK_C TR 33
5 L_BK_C TR
GI NT/ GPD5( PU )
UART
BT_EN 108
RXD /GPB0( PU )
23, 24 B T_EN BLK_EN
109
TXD/G P B1( PU )
18 BKL_EN
I T8502E
6-03-08502-0P0
C PU_FAN_R C483 0.1u_10V_X7R_04
24 CPU_FA N
R115 120K_1%_04 R125 *0_04
C201 0.1u_10V_X 7R_04
LCD_B R IGH TNESS
18 BR IGH TNESS
R109 100_04 R12 5 I T85 12E/ EX
IT8 512 E/E X -- -0 _04 OHM
C208 *0.1u_10V_X7R_04
C48 3 IT8 502E -J
IT8 502 E-J -- - -0. 1U_1 6V_ 04
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L7
KBC_AVDD
H CB1608KF-121T25
6-19-31001-164-1
VE R.
VDD3
C495
C 204 C198 C193 V1 .0
0. 1u_16V_04
0.1u_16V_04 0.1u_16V_04 0. 1u_16V_04
MODEL_ID
KBC_AGND
1 2 4
J_K B1
J_KB1
58 KB-SI0 4
KSI0/ STB#
59 KB-SI1 5
KSI1/ AFD #
60 KB-SI2 6
KSI2/I NIT#
61 KB-SI3 8
KSI3/ SLIN #
62 KB-SI4 11
K SI 4
63 KB-SI5 12
K SI 5
LPC K/B MATRIX 64 KB-SI6 14
K SI 6
65 KB-SI7 15
K SI 7
36 KB-SO0 1
KSO0/ PD 0
37 KB-SO1 2
KSO1/ PD 1
38 KB-SO2 3
KSO2/ PD 2
39 KB-SO3 7
KSO3/ PD 3
40 KB-SO4 9
KSO4/ PD 4
41 KB-SO5 10
KSO5/ PD 5
42 KB-SO6 13
KSO6/ PD 6
43 KB-SO7 16
KSO7/ PD 7
44 KB-SO8 17
KSO8/ ACK#
45 KB-SO9 18
KSO9/ BUSY
46 KB-SO10 19
KSO10/PE
51 KB-SO11 20
KSO11/ERR #
52 KB-SO12 21
30
KSO12/SLC T
53 KB-SO13 22
KSO13
54 KB-SO14 23
KSO14
55 KB-SO15 24
IT8502E
KSO15
30
FLASH 85202-24051
100 6-20-94A90-124
FLFR A ME#/GPG2
101 KBC_SPI _CE#
FLAD0/ SCE# 30
102 KBC_SPI _SI
FLAD1/ SI
103 KBC_SPI _SO
FLAD2/SO
104
FLAD 3/GPG6
105 KBC_SPI _SCLK
30
FLC LK/SCK
106 CC D_EN
CCD _EN 23
( PD )FLR S T#/ WUI7/TM/GPG0
GPIO
56 SUSB#
( PD )KSO16/GPC 3 SUSB# 16, 19, 25, 27
57 SUSC#
( PD )KSO17/GPC 5 SUSC# 14
93 R 135 *0_04
( PD )ID 0/GPH 0 PM_C LKRUN # 14, 19
HOLD_SW#
94
( PD )ID 1/GPH 1 HOLD_SW# 23
AC_P R ES EN T
95
( PD )ID 2/GPH 2 AC_PRESENT 14
96 WD T_EN
( PD )ID 3/GPH 3 WDT_EN 19
WLAN_D ET#
97
WLAN _DET# 19
( PD )ID 4/GPH 4
98 BT_DET#
BT_D ET# 23
( PD )ID 5/GPH 5
99 DD _ON
DD_ON 25, 26
( PD )ID 6/GPH 6
107 3G_EN
3G_EN 23, 24
( PD )ID 7/GPG1
EXT GPIO
82 SMI #
( PD )EGAD/ GPE1 SMI# 14
SCI #
83
( PD ) EGCS#/ GPE2 SCI# 14
PWR _BTN#
84
( PD ) EGCLK / GPE3 PWR_B TN# 14
WAKE UP
35 RSMRST#
RSMR S T# 14,16
( PD )WU I5/ GPE5
17 KBC_R ST#
( PD ) LPCPD#/WU I6/ GPE6
PWM/COUNTER CPU _FANSEN
CPU_FAN S EN 24
47
( PD ) TACH 0/GPD 6
48 R_LAN_D SM# R 266 0_04 LAN_DSM#
( PD ) TACH 1/GPD 7
VCORE_ON
120
( PD )TMRI 0/ WUI 2/GPC 4 VCOR E _ON 29
CL_PWR OK
124
( PD )TMRI 1/ WUI 3/GPC 6 CL_PWROK 5, 14,16,18
CIR
CI R_IN
119
( PD )CR X /GPC 0
DOCK_ON
123
DOC K_ON 23
( PD )C TX / GPB2
LPC/WAKE UP
19 SWI #
SWI# 14
( P D )L80HLAT/ GPE0
112 CH G_EN
( P D )RIN G#/ P W RFAIL#/LPC RST#/ GPB7 CHG _EN 30
CLOCK
2
CK32KE
128
C K32K
R 137 *10M_04
X4 32.768KHz
4 1
3 2
NC 2 SHO RT
1 2 C 242 C 243
15p_50V_04 15p_50V_04
KBC_AGN D
R 284 10K_04
VD D3
MOD EL_I D VOLT AGE
HIG H 3 .3V TN120T
R 278 10K_04
R273 10K_04 R 279
VDD3
R275 *10K_04 10K_04 U18
RX 3
MR#
RESET#
5
VDD 3 VCC
W DI
C 477 2
GND
0.1u_16V_04 AAT3510IGV-2.93-C -C- T1
6-03-35102-0D0
WD_DISABLE
VDD3
R11 10K_04
R12 4.7K _04
R13 4.7K _04
C
SMC _BAT AC
D 1 A
BAV99
C 3G_D ET#
SMD _BAT AC C CD_DET#
D 3 A SMC _CPU _TH ER M
SMD _CPU _TH ER M
BAV99
C
BAT_DET AC KBC_MUTE #
BAT_D ET
D 2 A
BAV99 R _LAN_DSM#
C
BAT_VOLT AC
BAT_VO LT
D 27 A
BAV99
C
C HG_CUR AC
CH G_C UR
D 29 A
12 G A 20
BAV99
C
TOTAL_CUR AC
TOTAL_CUR
D 30 A
BAV99
6-06-00099-011
R129
NEAR B ATTERY CONNE CT
KBC_RST# C
Debug Port
VDD3
J_H 8DBG1
1
3IN 1
2 3IN1 19
80CLK R 144
3 80CLK 19 VDD3
80DET#
4 80DET# 19
10K_04
5
*85204-05001
PCLK_KBC R124 *10_04
VDD3
BA T_VOLT R272 100_1%_04
C CHG_CU R R276 100_1%_04
LA N _DSM# 23
LI D_SW # AC
D 28 A TOTAL_C UR R277 100_1%_04
*BAV99
VDD 3
C462 KBC_SPI_*_R = 0.1"~0.5"
8Mbit
0. 1u_10V_X 7R _04
U6
8 5 KBC_SPI_S I _R KBC_SPI _SI
VDD SI
R270 47_04 C493
2 KBC_SPI_S O _R KBC_SPI _SO
SO
R249 1K _1%_04 R251 15_04 C491
KB C _FLASH
3 1 KBC_SPI_CE#_R KBC_SPI _CE#
WP# CE#
R250 15_04 C489
6 KBC_SPI_S C LK_R KBC_SPI _SCLK
SCK
R267 4.7K_04 R269 47_04 C492
7 4
HO LD# VSS
S ST25VF080B
6-04-25080-A70
VDD3 12,24, 25, 26, 27,30
3. 3VS 5,8, 9, 10, 11, 12,13,14,15,17,18, 19, 20, 21, 23,24,25,29
Schematic Diagrams
WDT_EN
VDD3
R283
100K_04
WD _DI SABLE R281
G 100K_04
1 S D KB C _WR ESET#
4 Q18 C484
2N7002W
6-15-27002-7B5 1u_6. 3V_04
3IN1
JO PE N 3
*OPEN_35mil
VD D3
Sheet 22 of 37
R274 10K_04
R271 10K_04
R142 4. 7K_04
KBC-ITE IT8502E
R143 4. 7K_04
R118 10K_04
R265 *10K _04
R287 10K_04
V D D3
D31
A C H 8_G A 20
SCS751V -40
6-06-75140-061
0_08
D 9
A
ICH _KBC_R S T# 12
*SCS751V-40 Co- lay out
CI R_I N
CIR _RX 18
C 211 *10p_50V_04
BAT_VOLT_R C 478 1u_6. 3V_04
C HG_CUR_R C 479 *1u_6.3V_04
TOTAL_CUR _R
C 482 *1u_6.3V_04
30p_50V_04
30p_50V_04
30p_50V_04
30p_50V_04
KBC-ITE IT8502E B - 23