
Schematic Diagrams
HOT KEY BD (HOT KEY, LED) B - 41
B.Sch
em
atic D
iag
rams
HOT KEY BD (HOT KEY, LED)
PS+5VS
PS+5VS
PS+3VH8
PSGND
PS+VIN
PS+3VH8
PSGND
PSGND
PSGND
PSGND
PS+5VS
PSGND
PSGND
PSGND
PS+VIN
PSGND
PS+3VH8
PSGND
PSGND
PSGND
PS+5VS
PS+VIN
PS+5VS
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSGND
PSLID_SW#
PSWEB2#
Z4002
PSCAP_LED
PSWEB0
Z4001
PSLID_SW#
Z4004
PSPWRSW
PSWEB0
PSPWRSW
PSWEB2#
PSLID_SW#
Z4003
PSSCROLL_LED
PSCAP_LED
PSWEB1#
PSWEB1#
PSNUM_LED
PSNUM_LED
PSSCROLL_LED
PSSW2
*TC017-BB1J-X160T
3
1
4
2
5
6
PSSW4
*TC017-BB1J-X160T
3
1
4
2
5
6
PSC5
0.1u
PSSW6
*TC017-BB1J-X160T
3
1
4
2
5
6
PSD5
*17-21VGC-TR8
A
C
PSH1
C48D48
PSH4
C48D48
PSC2
0.1u_04
PSH5
C48D48
PSU1
*AH999
1
2
3
VCC
GND
OUT
PSC4
0.1u_04
PSD3
17-21VGC-TR8
A
C
PSR3
470
PSD1
17-21VGC-TR8
A
C
PSD8
*KPC-3216QBC-C
A
C
PSC3
0.1u_04
PSSW3
TC017-BB1J-X160T
3
1
4
2
5
6
PSD4
*17-21VGC-TR8
A
C
PSR5
10K_1%
PSSW8
*TC017-BB1J-X160T
3
1
4
2
5
6
PSSW5
TC017-BB1J-X160T
3
1
4
2
5
6
PSR4
470
PSH7
C48D48
1
PSH3
MTH296D91P
2
3
4
5
6
7
8
9
PSD6
*17-21VGC-TR8
A
C
PSR1
470
1
PSH2
MTH296D91P
2
3
4
5
6
7
8
9
PSU2
AH999
1
2
3
VCC
GND
OUT
PSC1
0.1u_04
PSD7
KPC-3216QBC-C
A
C
PSHKB
85201-13051R
1
2
3
4
5
6
7
8
9
10
11
12
13
PSSW1
TC017-BB1J-X160T
3
1
4
2
5
6
1
PSH6
MTH296D91P
2
3
4
5
6
7
8
9
PSC6
0.1u_04
PSR2
470
PSD2
17-21VGC-TR8
A
C
PSSW7
TC017-BB1J-X160T
3
1
4
2
5
6
PSW1~8
13
LED7
FOR M550G
MR SENSOR
SW5
V
V
X
1
5/20
1
FOR M540G
X
5/20
3
LED2
V
SW2
SCROLL
LOCK
LED
SW4
X
LED3
V
V
SW3
SW6
FOR M540G
SW6
2
V
X
X
X
SW4
5/26
X
CAPS LOCK
LED
3
LID SWITCH IC
V
X
X
X
FOR M540G
SW2
V
SW5
NUM LOCK
LED
M540G
LED6
5/26
LED2
POWER
SWITCH
LED
V
X
LED1
SW7
M550G
FOR M550G
SW7
PSU1
LED8
V
V
LED1
LED5
V
SW8
SW8
PSU2
M540G
LED3
X
LED4
FOR M550G
2
LED5
X
SW1
LED7
LED4
PSHKB
V
M550G
LED8
X
LED6
PSU1, PSU2
X
1
4
SW1
5/20
V
V
SW3
V
X
Sheet 40 of 44
HOT KEY BD (HOT
KEY, LED)
Summary of Contents for M540J
Page 1: ......
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer M540J M545J M550J M555J Service Manual ...
Page 104: ...Schematic Diagrams B 46 B Schematic Diagrams ...