Schematic Diagrams
MULTI I/O BOARD 1/2 B - 35
B.Sch
e
m
a
tic D
iag
rams
MULTI I/O BOARD 1/2
M _ U S B V C C
M _ U S B V C C 2
M G N D
M G N D
MG N D
M G N D
M G N D
M G N D
M G N D
M G N D
MG N D
M GN D
M GN D
M _ 3 . 3 V
MG N D
MG N D
MG N D
M _3 . 3 V
M _U S B V C C
M _ 3 . 3 V S
MG N D
M _ 3 . 3 V S
M _3 . 3 V S
M_ 3 . 3 V S
M _ 3 . 3 V S
M _3 . 3 V S
M _ 3 . 3 V S
M G N D
M G N D
M_ 3 . 3 V S
3 5
MA Z _ S D I N 1
3 5
M A Z _ S D O U T
3 5
M A Z _ R S T #
3 5
M A Z _ B I TC L K
3 5
MA Z _ S Y N C
3 5
M 3G _ E N
3 5
M 3G _ D E T # 3 5
M_ 3 . 3 V
3 5
M W E B 0 #
Z 3 4 0 2
MH D _ L E D #
Z 3 4 0 1
Z 3 4 03
Z 3 40 7
Z 3 4 0 5
M W E B 1#
M W E B 2#
M U S B _ P P 4 _ R
M U S B _ P N 4_ R
M M _B T N #
MN U M _ L E D
M C A P _ LE D
M S C R O L L _ L E D
MU S B _ P N 4
MU S B _ P P 4
MT H R O T T L E _ L E D
Z 3 4 0 9
M D D -S P K R -
M D D -S P K R +
M W E B 2 #
M C A P _ L E D
M W E B 0 #
M 3 G_ D E T #
M T H R O TT L E _ L E D
M L I D _ S W #
M N U M _ LE D
M D D - S P K R +
M 3 G_ E N
M U S B _ P N 4
M D D - S P K R -
M U S B _ P P 4
M S C R O L L _ LE D
M M_ B TN #
M H D _ L E D #
M W E B 1 #
M L I D _ S W #
Z 3 4 1 1
Z 3 4 1 2
MR 2
22 0 _ 0 4
M D 2
K P -2 0 1 2S GC
A
C
MR 1 2
1 0 K _ 0 4
MC 1
. 1 U _ 1 6 V _ 0 4
MU 1
MH -2 4 8
1
2
3
V C C
GN
D
O U T
MJ _ M F B 1
5P 1 -2 51 A 4- 1 3 L 0 0 -2 1 8
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 0
2 1
2 2
2 3
2 4
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
M R 3
2 2 0 _ 0 4
M C 1 1
1 8 0 P _ 5 0 V _ 0 4
MD 1
K P C -3 2 16 Q B C -C
A
C
MD 6
K P -2 0 1 2 S GC
A
C
M S 2
S MD 8 0 X8 0
1
1
MR 6
2 2 0_ 0 4
MJ _ S P K 1
8 8 26 6 -0 2 0 0 1
P C B F o o t p ri n t = 8 8 2 66 -2 L
2
1
M D 3
K P - 20 1 2 S G C
A
C
MS W 4
TJ G -5 3 3 -S -T / R
3
1
4
2
5
6
MJ _ U S B 1
C 1 0 7 B 3 -1 0 40 3 -Y
1
GN
D
1
2
3
4
GN
D
2
GN
D
3
GN
D
4
V +
sh
ie
ld
D A T A _L
D A T A _H
GN D
sh
ie
ld
sh
ie
ld
sh
ie
ld
M L 3
W C M 32 1 6 F 2 S -1 6 1 T 0 3
1
4
2
3
MS W 2
T JG - 5 3 3 -S -T / R
3
1
4
2
5
6
M C 8
. 1 U _ 16 V _ 0 4
M R 1
2 2 0 _0 4
MC 7
. 1 U _ 1 6 V _ 0 4
M C 2
. 1 U _ 1 6 V _ 04
MS W 1
T JG - 5 3 3 -S -T / R
3
1
4
2
5
6
ML 7
F C M 1 6 0 8K -1 21 T 0 6
M C 6
. 1 U _ 1 6 V _ 04
ML 6
F C M 1 6 0 8K -1 21 T 0 6
MS W 3
TJ G -5 3 3 -S -T / R
3
1
4
2
5
6
M R 5
2 2 0 _ 0 4
MC 1 2
. 1U _ 1 6 V _ 0 4
M D 4
K P -2 0 1 2 S G C
A
C
M L 4
H C B 3 21 6 K F -8 00 T 3 0
M C 1 0
1 8 0 P _ 5 0 V _ 04
M D 5
K P -20 1 2 S G C
A
C
MR 4
2 20 _ 0 4
+
MC 1 3
1 00 U _ 6 . 3 V _ B 2
M S 1
S M D 8 0 X 8 0
1
1
MAIL KEY
INTERNET KEY
SILENT KEY
3
4
2
PSW1~8
POWER BUTTON
1
HOT KEY & POWER SW
LED
HDD/CD-ROM
LED
POWER
SWITCH
LED
NUM LOCK
LED
SCROLL
LOCK
LED
CAPS LOCK
LED
60 mil
USB PORT
THROTTLE
LED
PSU1, PSU2
1
LID SWITCH IC
FOR EMI
SPEAKER CONNECTOR
3
2
PJMODEM
1
2
M_3.3VS NEED 4A
4/13
7 /1 3
Re m o ve
M Q 1, M Q 2, M Q 3, M Q 4
f or LED low a ct iv e .
Sheet 34 of 36
MULTI I/O BOARD
1/2
Summary of Contents for M720sr
Page 1: ......
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer M72XSR Service Manual...
Page 26: ...Introduction 1 14 1 Introduction...
Page 44: ...Disassembly 2 18 2 Disassembly...
Page 51: ...Part Lists Bottom M72XSR A 7 A Part Lists Bottom M72XSR Figure A 5 Bottom M72XSR 2...
Page 52: ...Part Lists A 8 LCD M720SR A Part Lists LCD M720SR Figure A 6 LCD M720SR...
Page 53: ...Part Lists LCD M725SR A 9 A Part Lists LCD M725SR Figure A 7 LCD M720SR LOGO...
Page 54: ...Part Lists A 10 A Part Lists Combo M720SR Figure A 8 Combo M720SR...
Page 56: ...Part Lists A 12 A Part Lists...
Page 94: ...Schematic Diagrams B 38 B Schematic Diagrams...
Page 95: ...www s manuals com...