Schematic Diagrams
B - 36 Backlight Keyboard
B.Schematic Diagrams
Backlight Keyboard
Sheet 35 of 60
Backlight
Keyboard
TPLED_R
TPLED_B
TPLED_G
P157SM
D05A
Del R588
KB_LED_PW R
96mA
KBZONE3_R
Total Current
(BLUE 12mA/LED)
KBZONE2_B
120mA
Gary D03-×¥¿ 0103
P170SM,P177SM
KBPWR_B_1
225mA
TPLED_B
TPLED_G
TPLED_R
TPLED_R
TPLED_B
TPLED_G
1.24x[(R1/R2)+1]
106mA
132mA
D04
R568, R46 §ï50¼Ú©i
D02 12/03 ValueÅܧó Gary
U10
IT7040FN/BX (R)
GND
22
VDD
21
OUT0
23
OUT1
3
OUT2
4
OUT3
5
OUT4
6
OUT5
7
OUT6
9
OUT7
8
OUT8
10
OUT9
11
OUT10
12
OUT11
13
OUT12
14
OUT13
15
OUT14
16
OUT15
17
R-EXT
20
SDI
24
LE
2
OE
18
DCLK
1
SDO
19
GND-PAD
25
SY S15V
13,40,41,42,62
12/06 ValueÅܧó Gary
5VS
TPLED_G
J _LED4
50501-0064N
1
2
3
4
5
6
TPLED_B
C18
0.1u_16V_Y 5V_04
225mA
D02 12/03 ValueÅܧó Gary
D01A_1016_Alex
TPLED_R
R46
49.9_1%_08
R568
49.9_1%_08
add R550, R580, R581
C20
10u_6.3V_X5R_06
D25
FMS3004-AS-H
A
C
PJ11
OPEN_2A
1
2
C407
15000p_50V_X7R_06
12/06 valueÅܧó Gary
R566
0_08
R53
10_04
Total Current
(RED 13.2mA/LED)
.
L4
BCIHP0420TB-2R2M
C314
10p_50V_NPO_04
R551
200K_1%_06
225mA
C307
1u_6.3V_X5R_06
C854
4.7u_25V_X5R_08
R567
0_08
R580
* 10mil_short
R140
0_08
R550
* 10mil_short
C293
330p_50V_X7R_04
R54
100K_04
R549
14.3K_1%_06
C374
4.
7u_
2
5V_X
5R
_08
R548
* 20mil_P_04
98mA
R581
* 10mil_short
R538
* 10mil_short
KB_LED_PWR
U4
G5110
IN
8
FB
2
SHDN
3
LX1
6
GN
D
5
COMP
1
GN
D
4
LX2
7
FREQ
9
SS
10
G
ND_
Th
e
rm
a
l
11
R588
0_04
C855
4.7u_25V_X5R_08
R45
750_1%_06
R182
0_08
3.3VS
5VS
>40mil
Total Current
(GREEN 12.2mA/LED)
3.3VS
3,5,9,10,11,12,13,14,16,17,18,19,20,21,22,24,25,26,27,28,29,30,32,33,34,36,37,41,44,46,61,62
5VS
13,14,16,17,18,19,22,29,30,32,33,36,41,44,61
KB_LED_XLE
34
KB_LED_XCLK
34
KB_LED_XSDI
34
122mA
KB_LED_ENZ
34
J_KBLED2
88511-1241
12
11
10
9
8
7
6
5
4
3
2
1
footprint 08->06
P150SM,P157SM
KBZONE3_G
TouchPAD LED Current
KBZONE2_R
KBZONE1_B
KBPWR_G_1
R1
D02A DEL KB2_LED_ENZ/XLE/XSDI/XCLK
15V
J_KBLED1
88511-1241
12
11
10
9
8
7
6
5
4
3
2
1
OUT0-OUT15(<45mA)
P177SM
12/06 Change U10¥Î®Æ Gary
KB_LEDPWR_FREQ
KB_LED_XSDI
34
KB_LED_PWR_FB
LED Q'ty
KB_LEDPWR_IN
D02 12/03 ValueÅܧó Gary
D02 12/03 ValueÅܧó Gary
KB_LEDPWR_SW
KBZONE2_G
Gary D03-×¥¿(netÅܧó)
KBZONE1_R
KBPWR_R_1
1 5 V
KB_LEDPWR_IN
ON
KB_LEDPWR_EN
KB_LED_PWR
KBZONE3_R
U36
IT7040FN/BX (R)
GND
22
VDD
21
OUT0
23
OUT1
3
OUT2
4
OUT3
5
OUT4
6
OUT5
7
OUT6
9
OUT7
8
OUT8
10
OUT9
11
OUT10
12
OUT11
13
OUT12
14
OUT13
15
OUT14
16
OUT15
17
R-EXT
20
SDI
24
LE
2
OE
18
DCLK
1
SDO
19
GND-PAD
25
KBPWR_B
KBZONE2_B
C21
0.1u_16V_Y 5V_04
KBPWR_G
KBZONE1_B
KBZONE2_R
KBZONE3_G
R162
0_04
R161
0_04
KBZONE2_G
R164
0_04
R681
*20mil_P_04
R163
0_04
1 5 V
KBPWR_R
KBZONE1_R
R73
750_1%_06
KB_LED_XLE
34
3.3VS
D05
Add C307 1u_6.3V_X5R_06
KB_LED_ENZ
34
KB_LED_XCLK
34
KBZONE1_G
KBZONE3_B
IT7040
R180
0_04
R183
0_04
R181
0_04
TP_PW R_EN#
R186
0_04
NM OS
KB_LED_XSDO1
3A
Q65
P2703BAG
3
2
4
1
5
6
From EC1
S
D
G
Q124A
MTDN7002ZHS6R
2
6
1
5+5
4+4
S
D
G
Q124B
MTDN7002ZHS6R
5
3
4
C128
4.7u_6.3V_X5R_06
KB_LED_XSDO
R688
499_1%_04
R687
1M_04
C130
2200p_50V_X7R_04
SY S15V
5VS_TP
KBZONE2_R
KBZONE3_G
KBZONE2_B
KBZONE3_R
TP_PW R_EN#
34
5VS
KBZONE3_B
KBZONE2_G
DEFAULT PJ11 SHORT
KBZONE1_B
KBZONE1_R
KBZONE1_G
J_TPLED1
88511-1241
12
11
10
9
8
7
6
5
4
3
2
1
C45
0.
1
u_16V_Y
5
V
_
04
TPLED_R
TPLED_G
TPLED_B
5VS_TP
C46
1
0u_6.
3V
_X5R
_06
TPLED_B
TPLED_R
TPLED_G
P157SM TP LED
D01A_1016_Alex
From EC2(J_EC1)
Gary D03·s¼W0103
5 pin
KBZONE3_B
KBZONE1_G
12/06 ValueÅܧó Gary
Gary D03-×¥¿(¥Ñ¦êÁp§ï¨ÃÁp)
Gary D03-×¥¿(¥Ñ¦êÁp§ï¨ÃÁp)
Gary D03-×¥¿(netÅܧó)
TPLED_R
TPLED_B
TPLED_G
D02_1112_Alex
D02_1112_Alex
Gary D03-×¥¿(netÅܧó)
Summary of Contents for p157sm
Page 1: ...P170SM SERVICE MANUAL ...
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer P170SM Service Manual ...
Page 24: ...Introduction 1 12 1 Introduction ...
Page 57: ...Part Lists Bottom N14E GS A 5 A Part Lists Bottom N14E GS Figure A 3 Bottom N14E GS ...
Page 58: ...Part Lists A 6 Bottom N14E GTX A Part Lists Bottom N14E GTX Figure A 4 Bottom N14E GTX ...
Page 59: ...Part Lists LCD A 7 A Part Lists LCD Figure A 5 LCD ...
Page 60: ...Part Lists A 8 COMBO A Part Lists COMBO Figure A 6 COMBO ...
Page 61: ...Part Lists DVD Dual Drive A 9 A Part Lists DVD Dual Drive Figure A 7 DVD Dual Drive ...
Page 62: ...Part Lists A 10 A Part Lists ...
Page 124: ...Schematic Diagrams B 62 B Schematic Diagrams ...