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Flow Chart of Troubleshooting
9-21
KEY LED
R305
R307
LED304
LED305
LED302
LED306
LED303
LED301
R308
R309
R318
EN
3
GND
2
5
G
N
D
VIN
4
1
VOUT
U310
R310
VBAT
R319
C315
R306
LED307
C316
LED308
KEY_EN
C
1
1
8
C
1
2
3
C
1
2
8
C
1
2
9
C
1
3
0
C
1
3
1
C
2
0
3
C204
C
2
0
5
C206
C207
C
2
0
8
C209
C
2
1
0
C211
C212
C213
C214
C
2
1
5
C
2
1
6
C230
C231
C232
C
2
3
6
C240
C
2
4
1
C
3
1
5
C
3
1
6
C319
C401
C
4
0
2
C403
C404
C
4
0
5
C406
C407
C408
C409
C410
C
4
1
1
C412
C413
C
4
1
4
C415
C416
D201
D
2
0
2
D401
D402
L10 7
L108
L109
L
2
0
1
L203
L205
L
2
0
6
L
2
0
8
L
4
0
0
L405
L407
L
4
0
9
L
4
1
0
L
4
1
1
L
4
1
2
OSC201
O
S
C
2
0
2
Q3
01
R210
R211
R
2
1
2
R214
R215
R216
R221
R
2
2
2
R223
R
2
2
4
R
2
2
5
R300
R
3
1
3
R401
R402
R403
R404
R407
T
H
2
0
1
T
P
2
0
4
TP209
TP218
U3
10
U
C
P
2
0
1
Z
D
3
0
1
ZD302
Summary of Contents for GT-E2210L
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