Level 3 Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-7
MicroUSB I/F
R203
NC
11
12
NC
NC
13
6
S1
S2
7
1
1
2
2
3
3
4
4
5
5
8
NC
NC
9
10
NC
IFC200
ZD
20
7
R205
C203
R201
R200
R206
C204
1
IN
G
N
D
2
EN
3
4
OUT
5
G
N
D
U201
R207
R204
ZD200
VCHG_P_5P0
ZD
20
1
C202
VBAT
ZD
20
2
ZD
20
3
C200
R208
USB_D_P
USB_D_N
JIG_ON
USB_ID_JTA
UART1_TD
CHARGER
VBAT
C
15
6
VBUS_5P0
VDDIO_2V8
R137
9
PGB
1 VIN
8
6
EN|SET
3 GND
7
GND
11
G
N
D
5
IEOC
ISET
2
LDO
4
U102
BATT 10
CHGSB
C
15
5
R
13
6
R134
R138
R
13
5
VCHG_P_5P0
CHG_E
CHG_DET
VBAT_SENSE
CHG_STATE
8-3-2. Charging Part
END
The first Pin of IFC200 is 5V?
No
Yes
ZD200,C156 or C200 = 5V ?
No
Yes
Resolder or Replace IFC200
Must be 5V
Resolder ZD200,C156
Initial Failure
Yes
ZD200,C156 or C200 = 5V ?
No
Resolder or Replace U102
Yes
Summary of Contents for SM-B105E
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