Backlight Keyboard - Clevo P170EM Service Manual

Backlight Keyboard

DEFAULT PJ11 SHORT
1 2 KB_LEDPWR_IN
5VS
PJ11 OPEN_2A
D03 modilfy
del R432
D04
R538
Delete PJ12, net KB_LED_5VS
R53
C20
10u_6.3V_X5R_06
D03 modify
footprint 08->06
C307
D05
1u_6.3V_X5R_06
Add C307 1u_6.3V_X5R_06
VTT (ADDRESS 0X6A)
C422 *2.2U_16V_X5R_06
5VS
C423 *2.2U_16V_X5R_06
R103
*2.21K_1%_04 U9
1 8
R107
VCC OUT1
2 7
BUS_SEL OUT2
3 6
GND OUT3
4 5 SMC_KB
SDA SCL
R102
*uP6262
SMD_KB
*10K_1%_04
D05
C422, C423, U9, R102, Q57¤£¤W¥ó
D05
R548§ï¦¨20mil
KB_LED_XSDI
35 KB_LED_XSDI
KB_LED_XCLK
35 KB_LED_XCLK
KB_LED_XLE
From EC
35 KB_LED_XLE
KB_LED_ENZ
35 KB_LED_ENZ
KB_LED_XSDO
D03 modify
5VS -> 3.3VS
3.3VS
add R548
R548
D04
R45
R45 §ï750¼Ú©i
750_06 C18
0.1u_16V_Y 5V_04
D04
D25, L4 ´«®Æ, L26§R°£
D03 modify
U4 change to G5110RE1U
KB_LEDPWR_SW A
L4 4.7uH_4*4*2
.
U4
FMS3004-AS-H
8 6
KB_LEDPWR_IN
IN LX1
7
LX2
KB_LEDPWR_FREQ 9
FREQ
2
*10mil_short
FB
3
KB_LEDPWR_EN
SHDN
10_04
10 1
R549
SS COMP
14.3K_1%_06
C407
15000p_50V_X7R_06 G5110
D03 modify
footprint 04->06
R54
100K_04
C293 C314
330p_50V_X7R_04 10p_50V_NPO_04
5VS 5VS 3.3VS
*0_04 KB_LED_PWR_FB
SMC_KB 4 3
Q57B
SMD_KB 1 6 *MTDN7002ZHS6R
Q57A
*MTDN7002ZHS6R
D03 modify
change to ITE7040
D03 modify
add R550, R580, R581
U10
2 5
R550 *10mil_short KBZONE1_B
SDI OUT0
3 6
KBZONE1_R
R580 *10mil_short
DCLK OUT1
4 7 KBZONE1_G
R581 *10mil_short
LE OUT2
21 8
KBZONE2_B
OE OUT3
22 9
KBZONE2_R
SDO OUT4
10 KBZONE2_G
OUT5
11
KBZONE3_B
OUT6
23 12
KBZONE3_R
R-EXT OUT7
13 KBZONE3_G
OUT8
14
OUT9
24 15
*20mil_P_04
VDD OUT10
16
OUT11
1 17
GND OUT12
18
OUT13
19
OUT14
20
OUT15
IT7040R
D05
Add C374 4.7u_25V_X5R_08
15V
D25
C KB_LED_PW R
C374 R588 D05
0_04
R588 ¤W0_04
R1
R551 KB_LED_PWR_FB
200K_1%_06
D04 D04
1 5 V
R549 §ï14.3K J_KBLED2 SWAP & ´«®Æ
1.24x[(R1/R2)+1]
KB_LED_PWR KBPWR_G
R567 0_08
KBPWR_R
R568 50_08
R566 0_08 KBPWR_B
KBZONE1_B
KBZONE1_R
C855
4.7u_25V_X5R_08 KBZONE1_G
KBZONE2_B
KBZONE2_R
P150EM
KBZONE2_G
KBZONE3_B
KBZONE3_R
KBZONE3_G
D04
R568, R46 §ï50¼Ú©i
1 5 V
SMC_BAT 35,47
KB_LED_PW R R182 0_08
R46 50_08
R140 0_08
SMD_BAT 35,47
C854
4.7u_25V_X5R_08
P170EM
D05
J_KBLED1 ´«®Æ¤Îpin define½Õ¾ã
14,15,17,19,20,23,26,27,30,31,33,34,37,41,45,46,48
2,4,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,29,30,31,33,34,35,37,38,41,45,48
Schematic Diagrams
J_KBLED2
Sheet 36 of 61
1
2
3
Backlight
4
5
6
Keyboard
7
8
9
10
11
12
87152-12071
6-20-94K00-012
J_KBLED1
KBPWR_G_1
1
KBPWR_R_1
2
KBPWR_B_1
3
KBZONE1_B
4
KBZONE1_R
5
KBZONE1_G
6
KBZONE2_B
7
KBZONE2_R
8
KBZONE2_G
9
KBZONE3_B
10
KBZONE3_R
11
KBZONE3_G
12
87152-12071
6-20-94K00-012
5VS
3.3VS
Backlight Keyboard B - 37