Backlight Keyboard - EUROCOM P570WM Service Manual

Schematic Diagrams

Backlight Keyboard

5VS
0.1u_16V_Y5V_04
KB_LED_5VS
0.1u_16V_Y5V_04
Sheet 55 of 63
Backlight
Keyboard
5VS
*2.21K_1%_04
*10K_1%_04
From EC
B - 56 Backlight Keyboard
U24
1 8
30 mils DEFAULT PJ11 SHORT
2 FON GND 7
VIN GND
3 6 1
5VS
VOUT GND
4 5
C519 PJ32
VSET GND
G990P11U
1
KB_LED_5VS
BLKB_DAC PJ33
30 mils
BLKB_DAC 33
C507
VTT (ADDRESS 0X6A)
C1047 2.2u_16V_X5R_06
C1048 2.2u_16V_X5R_06
R948
U61
1 8
R949 *0_04 KB_LED_PWR_FB
VCC OUT1
2 7
BUS_SEL OUT2
3 6
GND OUT3
4 5
SMC_KB
SDA SCL
R954
*uP6262
SMD_KB
U62
2 5
KB_LED_XSDI
33 KB_LED_XSDI
3 SDI OUT0 6
KB_LED_XCLK
33 KB_LED_XCLK DCLK OUT1
KB_LED_XLE 4 7
33 KB_LED_XLE LE OUT2
KB_LED_ENZ 21 8 KBZONE2_B
33 KB_LED_ENZ OE OUT3
22 9
KB_LED_XSDO KBZONE2_R
SDO OUT4
10 KBZONE2_G
OUT5
11 KBZONE3_B
OUT6
23 12 KBZONE3_R
5VS -> 3.3VS
R-EXT OUT7
3.3VS 13
add R548 KBZONE3_G
OUT8 14
OUT9
24 15
VDD OUT10
16
R958 *10mil_short
1 OUT11 17
R959
GND OUT12
18
OUT13
19
750_1%_06 C1049
OUT14
20
0.1u_16V_Y5V_04
OUT15
IT7040R
2 KB_LEDPWR_IN KB_LEDPWR_SW
L99 2.2uH_4*4*2
OPEN_2A
U60
KB_LEDPWR_IN 8 6
IN LX1
7
2 9 LX2
KB_LEDPWR_FREQ
FREQ
OPEN_2A R943 *10mil_short 2
FB
KB_LEDPWR_EN 3
SHDN
R945 10_04
10 1
C1043
SS COMP
10u_6.3V_X5R_06 C1044
15000p_50V_X7R_06 G5110
R947
100K_04
C1045
330p_50V_X7R_04
5VS 5VS 3.3VS
SMC_KB 1 6
SMC_BAT 17,33,44,54
Q65A
SMD_KB 4 3 MTDN7002ZHS6R
SMD_BAT 17,33,44,54
Q65B
MTDN7002ZHS6R
R955 *10mil_short KBZONE1_B
R956 *10mil_short KBZONE1_R
KBZONE1_G
R957 *10mil_short
15V
30mil
D41
A C KB_LED_PWR
FMS3004-AS-H
R941
0_04
R944 KB_LED_PWR_FB
200K_1%_06
R946
17.4K_1%_06
1.24x[(R1/R2)+1]
C1046
10p_50V_NPO_04
15V
30mil
J_KBLED1
KB_LED_PWR KBPWR_G 12
R939 0_08
12
11
R940 49.9_1%_08 KBPWR_R
11
R942 0_08 KBPWR_B 10
10
KBZONE1_B 9
9
8
C1042 KBZONE1_R
7 8
4.7u_25V_X5R_08 KBZONE1_G
7
KBZONE2_B 6
6
KBZONE2_R 5
5
4
KBZONE2_G
4
KBZONE3_B 3
3
KBZONE3_R 2
2
KBZONE3_G 1
1
NC1
NC1 NC2
NC2
88511-1201
0813
6-20-94K30-012