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8. Level 3 Repair
8-1
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8-1. Block Diagram
-Power Management
PM
IC
P
M
805
8
DC/
D
C
R
T
801
6
G
Q
W
5M
C
A
M
LD
O
LP
87
20
T
L
X
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F
la
s
h
LE
D
dr
iv
e
r
AA
T
1
2
7
4
IWO
-T
1
LC
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L
E
D
dr
iv
e
r
TPS6
1
1
6
1
D
R
V
R
V
R
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G
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M
C
1_1.1V
VR
EG
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SM
C
2
_
1
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V
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G
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M
A
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3V
V
R
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G
_1.8V
VR
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Q
T
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2
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VD
D
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F
1
VD
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2
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S
B
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C
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2
8
0
A
U
M
X
A
UDI
O
A
M
P
Y
D
A
165
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2
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V
VR
EG
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SI
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In
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l S
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8
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VR
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VR
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6
VR
EG
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7
VR
EG
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S
B
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3
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V
V
R
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D
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r S/
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L
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S
52
23
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M
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8
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C
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r
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56
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8
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r
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VR
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5
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VR
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AV
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VR
EG
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V
VR
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C
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8
5
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V
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C
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D
_
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3
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V
VR
EG
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M
PL
L
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1
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VR
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T
ransce
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r
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8
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US
B
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8
V
DD
Q
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DDR
0
V
DD
Q
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DDR
1
V
DD
2
_
DD
R
V
DD
_
P
0
V
DD
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P
1
V
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D
1
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M
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V
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D
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M
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5
+ P
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P
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e
m
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8
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S
BP
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BU
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har
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ng
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B
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T
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D
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A
2
VR
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G
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M
SM
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1
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V
VR
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1
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GP
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n
t.
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A
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5
0
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&8
PA
M
SKY7
7
1
9
5
VP
H
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PWR
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BA
T
AN
O
D
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2
4
V
CA
T
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O
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E
VP
H
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P
W
R
VP
H
_
PW
R
V
C
A
M
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2
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V
C
A
M
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_1.8V
VC
A
M
A_
2
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V
V
C
A
M
C
_
1.
2V
V_
B
A
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TSP
L
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R
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103K
281D
-T
R
VP
H
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P
W
R
TS
P
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D
D
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2
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BT
/W
IF
I
BC
M
4
3
2
9
SKU
B
G
V_
BA
T
FU
E
L
sensor
M
A
X
1
70
43G
-T
V_
B
A
T
VR
EG
1
_
2
.8
V
VR
EG
_
1
.8
V
V
R
E
G
_1.
8V
VP
H
_
P
W
R
VR
EG
_
1
.8
V
P
rox
. S
ens
o
r
L
D
O
MI
C
5
37
0
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M
Y
M
T
VPH
_
P
W
R
V
R
E
G
1_
2.
8V
V
R
E
G
1_2.8V
L
D
O
(MA
IN
MIC
)
R
P
10
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281D
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R
L
D
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(EAR
M
IC)
R
P
10
3
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2
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R
V
R
E
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1_
2.
8
V
V_BU
S_5V_
IN
V
U
SB_5
V
ME
MO
R
Y
V
D
D
_
ME
M_1.
2
V
VR
EG
1
_
2
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V
VR
EG
_
F
EM
_
2
.8
5
V
V
R
E
G
_1.8V
V
R
E
G
_
L
CD_
3
.0
V
V
R
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G
_
L
CD_
1
.8
V
VP
H
_
P
W
R
P
o
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managemen
t
par
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V
O
V
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D
G
M269M01