Service manual

Schematic Diagrams
B - 56 Backlight Keyboard
B.Schematic Diagrams
Backlight Keyboard
Sheet 55 of 63
Backlight
Keyboard
.
L99 4.7uH_4*4*2
J_KBLED1
87151-1207G
12
11
10
9
8
7
6
5
4
3
2
1
R941
1K_04
D03-1021J
Modify
R951*1K_04 R950*1K_04
KBZONE3_R
KB_LED_PWR
C1042
4.7u_25V_X5R_08
1.24x[(R1/R2)+1]
KBPWR_B
KBZONE2_B
R942 0_08
PJ32 OPEN_2A
1 2
R943 *10mil_shortPJ33 OPEN_2A
1 2
KB_LED_PWR
R945 10_04
U60
G5110
IN
8
FB
2
SHDN
3
LX1
6
GND
5
COMP
1
GND
4
LX2
7
FREQ
9
SS
10
GND_Thermal
11
KBZONE3_G
KBZONE1_B
KBZONE2_R
SMC_KB
6-20-94A20-112
KB_LEDPWR_IN
KBPWR_G
R939 0_08
30mil
15V
KB_LEDPWR_FREQ
KB_LED_PWR_FB
KBZONE2_G
KB_LEDPWR_SW
C1043
10u_6.3V_X5R_06
KBZONE1_R
SMD_KB
KBPWR_R
SMD_BAT 17,33,44,54
S D
G
Q65B
MTDN7002ZHS6R
5
34
3.3VS5VS
R953*2.2K_04
S D
G
Q65A
MTDN7002ZHS6R
2
61
SMC_BAT 17,33,44,54
R952*2.2K_04
KB_LEDPWR_IN
SMC_KB
R946
17.4K_1%_06
5VS
SMD_KB
VTT (ADDRESS 0X6A)
KB_LED_PWR_FB
R948
*2.21K_1%_04
R949 *0_04
R954
10K_1%_04
C1047 2.2U_16V_X5R_06
C1048 2.2U_16V_X5R_06
U61
uP6262
GND
3
SCL
5
BUS_SEL
2
VCC
1
SDA
4
OUT3
6
OUT2
7
OUT1
8
KB_LEDPWR_EN
C1046
10p_50V_NPO_04
R947
100K_04
C1045
330p_50V_X7R_04
KB_LED_5VS
5VS
From EC
KB_LED_XSDI
C1049
0.1u_16V_Y5V_04
R958 *10mil_short
KB_LED_XSDO
KB_LED_XCLK
R959
750_06
KBZONE2_B
KBZONE3_R
KB_LED_ENZ
D03 modify
KB_LED_XLE
KBZONE3_B
KBZONE2_G
KBZONE2_R
KBZONE3_G
R956 *10mil_short
5VS -> 3.3VS
R955 *10mil_short
KBZONE1_B
KBZONE1_R
R957 *10mil_short
DEFAULT PJ11 SHORT
KBZONE1_G
3.3VS
U62
IT7040R
GND
1
VDD
24
OUT0
5
OUT1
6
OUT2
7
OUT3
8
OUT4
9
OUT5
10
OUT6
11
OUT7
12
OUT8
13
OUT9
14
OUT10
15
OUT11
16
OUT12
17
OUT13
18
OUT14
19
OUT15
20
R-EXT
23
SDI
2
LE
4
OE
21
DCLK
3
SDO
22
add R548
KB_LED_XSDI33
KB_LED_ENZ33
KB_LED_XLE33
KB_LED_XCLK33
5VS
KBZONE1_G
KBZONE3_B
R940 50_08
C1044
15000p_50V_X7R_06
R944
200K_1%_06
D41
FMS3004-AS-H
A C
30 mils
5VS
KB_LED_5VS
C507
0.1u_16V_Y5V_04
30 mils
C519
0.1u_16V_Y 5V_04
BLKB_DAC 33
BLKB_DAC
U24
G990P11U
VOUT
3
GND
5
VIN
2
FON
1
VSET
4
GND
6
GND
8
GND
7
15V
D03-1021J
Modify
D03-1021J
Modify
D03-1018J
½Õ¾ãPIN1¦ì¸m»PK/B¤@-P,
layout pin1¦ì¸m¼Ð¥Ü¤]¸òµÛ½Õ´«
D03-1021J
Modify
D03-1021J
Modify
30mil