Samsung SM-B105E User manual

N
Wireless Device
SM-B105E
1. Safety Precautions
2. Specification
3. Product Function
4. Exploded View and Parts list
5. MAIN Electrical Parts List
6. Level 1Repair
7. Level 2Repair
8. Level 3Repair
9. Reference data
Notice: All functionality, features, specifications, and
other product information provided in this document,
including but not limited to, benefits, design, pricing,
components, performance, availability, and capabiliti
-es of the product are subject to change without
notice. Samsung reserves the right to alter this doc
-ument or the product described herein at anytime,
without obligation to provide notification of such
changes.
Wireless Device CONTENTS

This Service Manual is aproperty of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Samsung Electronics Co.,Ltd.
2015. 03. Rev.1.0
ⓒ

7. Level 2Repair
7-1
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
※ Caution
1) Be care of scratch and molding damage.
※ Caution
1) Be care of scratch and molding damage.
※ Caution
1) Be care of torch window damage.
2) Be care of scratch and molding damage.
※ Caution
1) Be care of damage to each part.
7-1. Disassembly
1) Disassemble the battery cover.
11) Disassembly the battery and 3 screws.
2
34
1) Use JIG to disassembly the FRONT and
REAR.
1)Separate the PBA from the FRONT.

Level 2Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
7-2
※ Caution
1) Be care of scratch and molding damage.
2) Be care of damage to the receiver.
※ Caution
1) Be care of scratch and molding damage.
2) Be care of damage to the motor and speaker.
※ Caution
1) Be care of damage to components.
2) Be care of shield can deformation.
※ Caution
1) Disassembly KEYPAD
51) Disassembly the SPEAKER and MOTOR.
6
78
1) Disassembly the SHIELD CAN.1) Disassembly finished.

Level 2Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
7-3
※ Caution
1) Be care of damage to the part.
※ Caution
1) Be care of damage to the part.
※ Caution
1) Be care of damage to PBA
※ Caution
1) Be care of damage to the each module
7-2. Assembly
1 2
1) Assembly the SHIELD CAN.
34
1) Assembly the SPEAKER and MOTOR.
1)Together the PBA from the FRONT.
1) Assembly KEYPAD

Level 2Repair
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Confidential and proprietary-the contents in this service guide subject to change without prior notice.
7-4
※ Caution
1) Be care of damage to each part.
※ Caution
1) Be care of scratch and molding damage.
※Caution
1) Be care of scratch and molding damage.
※Caution
1) Be care of scratch and molding damage.
5 6
8
1)Assembly the rear
71) Assembly the battery cover.
1)Put the mic in the hole
1)Assembly the battery and 3 screws

4. Exploded View and Parts List
4-1
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
4-1. Cellular phone Exploded View

8. Level 3Repair
8-1
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
8-1. Block Diagram
BB BAND
U102
SC6500FS
F100
SAWFD942
MCM0F0A
EGSM_RX_N
EGSM_RX_P
DCS_RX_P
DCS_TX
EGSM_TX
BAND_SEL
PON_PA
RAMP
RFS100
KMS-560-002-BEF
ANT100
SCHB299-MT-3T
FM_SCL_1P8
FM_RST
32KHz_DIGIT
FM_R
FM_L
FM_INT
3.5 pi EAR JACK
U301
NCX2200GM
FM_ANT
GND_DETECT
EAR_DETECT
VDDIO_2V8
VDDIO_2V8
EAR AMP
NCP2817BFC
CT2G
EAR_L
EAR_R
AMP_EN
EAR_SPK_L
EAR_SPK_R
EARMIC
PATH
3PI5_MIC_P
EAR_ADC_3.5
EAR_MIC_N
MIC PATH MIC_N
MICBIAS_2V8
SPK_P_BB
SPK_N_BB
RCV_P_BB
U102
RT9532GQW
CHG_STATE
CHG_DET
VBAT_SENSE
VBUS_5V
CHG_EN
U200
DG2730DN-
T1-GE4
IFC200
GU07D-7P-SB-E1500
U201
SIP32408DNP
-T1-GE4
UART1_RD
DM
UART1_TD
USB_EN
JIG_ON
VBAT
VDDIO_2V8
SIM201
5000-6P-1.5T
BTC100
KQ03SB2-3R
VF
OSC101
SQ3D02600B2LBA
REF_INP
REF_INN
MOT100
GTE1200S-MOT
U202
AP7340D-33FS4-7
LCD200
GTE1200S-LCD32P
VIB_CTRL
VBAT
TORCH_EN
VBAT
LCMRSTN
WHTLED_IB0
VDDIO_2V8
LCM_WEN
LCM_CD
LCM_RDN
KEY MAP
KEYIN(0:4)
KEYOUT(0:4)
POWER KEY
KEY LED
ONKEY
KEY_LED_CTRL
VBAT
VSIM0
SIM0_IO
SIM0_RST
SIM0_CLK
SIM200
5000-6P-1.5T
VSIM1
SIM1_IO
SIM1_RST
SIM1_CLK
DCS_RX_N
VBAT
VCHG_P_5P0
VBAT
2G RF
FM&AUDIO
MOTOR
TORCH
CHARGER&USB
&USB/UART
SWITCH
SIM
BTC
26M
LCD
KEY
VDDIO_2V8
VBAT
EAR_MIC_P
MIC_P
RCV_N_BB
VBAT
VBAT
VDDIO_2V8
LCM_D(00:07)
DP
USB_DM
USB_DP
U101
RF7198
EGSM_RX
DCS_RX
U103
RTC6211S
FM_SDA_1P8
SPK/RCV S/W
ET5223
SPK_P
SPK_N
RCV_EN
VBAT
WHTLED_IB1
LCM_CS_N

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-2
8-2. PCB Diagrams
8-2-1. Top
C214
C215
C226
DOWN
END
KEY_200 KEY_201 KEY_202
KEY_203 KEY_204 KEY_205
KEY_206 KEY_207 KEY_208
KEY_209
LCD200
LED200
LED201
LED202
LED203
LED204
LEFT
OK
R106 R107 R108R109R130R131
R216
RIGHT
SEND
SHARP
SOFT200 SOFT201
STAR
U202
UP
ZD206

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-3
8-2-1. Bot
BH100
BH101
BH102
BTC100
C100
C101
C102
C103
C104
C105
C106
C107
C108
C109
C110
C111
C112
C113
C114
C115
C116
C117
C118
C119
C120
C121
C122
C123
C124
C125
C126
C127
C129
C130
C131
C148
C155
C156
C157
C159
C160
C161
C162
C163
C164
C166
C167
C168
C169
C170
C171
C172
C173
C174
C175
C176
C177
C178
C179
C180
C181
C182
C183
C200
C201
C202
C203
C204
C205
C206
C207
C208
C209
C210
C211
C212 C213
C216C217
C218
C221
C222
C224
C225
C300
C301
C302
C303
C304
C305
C306
C307
C311
C312
C313
C314
C315C316
C317
C318
C319 C320
C321
C322
C323
C324
CN103
CON100
EAR300
F100
IFC200
L100
L102
L103
L104
L105
L106
L107
L108
L109
L110
L111
L114
L115
L116
L117
L119
L120
L200
L201
L202
L203
L204
L205
L300
L301
L302
L303
L304
L306
L307
L308
L309
MIC300
MOT100
OSC100
OSC101
R100
R101
R103
R104
R105
R110
R111
R112
R113
R114
R115
R116
R117R118R119R120
R121
R123
R124
R125
R127
R129
R134
R135
R136
R137
R138
R141
R142
R143
R144
R145
R146
R147
R148
R149
R200
R201
R202
R203 R204
R205
R206
R207
R208
R210
R211
R212
R213
R214
R215
R217
R219
R220
R221R222
R223
R300
R301
R302
R303
R304
R305
R306
R307
R308
R311
R312
R313
R315
R316
R317
R318
R319
R320
R321
R322
R323
RFS100
SC100
SC101
SC102
SC103
SC104
SC105
SC106
SC107
SC108
SC109
SIM200
SPK300
TH100
TP100
TP200
TP201
TP202
TP203
U101
U102
U200
U201
U300
U301
U302
U303
U324
UCP100
V100
ZD100
ZD101
ZD200
ZD201
ZD202
ZD203
ZD204
ZD205
ZD207
ZD300
ZD301
ZD302
ZD303
ZD304
ZD305 ZD306

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-4
8-3. Flow Chart of Troubleshooting
※presetting methods for checking TP
-GND &TP(exp. VBUS_5.0V= C155 using Oscilloscope
-look over the coming out signal.
←Oscilloscope

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-5
8-3-1. Power On
Check Battery vol. more than
3.4V?
(TP: C101, C102, C104,
ZD101)
Change the Battery
(Because of batt. power low)
END
Yes
Check the Clock at
OSC101
1,3pin(CLK26M)=26MHZ
(TP:OSC101)
Check the Main Chip
(TP :OSC101 /look over the waverform
using the oscilloscope)
No
Yes
VDDCORE_1V1
=1.1
V?
(TP: L100,C100,C103,C111)
Resolder L100, C100, C103,C111
(to confirm coming out power V_core)
No
Yes
Check the initial operation
"Power On"
Yes
No

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-6
VDDCORE_1V1
L100
VDDCORE_1
V
C111
CLOSE TO THE DCDC OUTPUT
(D2, D3, R4, R5) CLOSE TO THE INPUT
P
CLOSE TO THE INPUT PIN
(
V6, W6, V7, W7
)
C101
C100
C102
VBAT
VDDCORE_1V1
VBAT
ZD101
C104
C103
26M OSC
2
4
3
1
OSC101
REF_IN
N
REF_INP

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
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
11
2
2
33
4
4
55
8
NC
NC 9
10
NC
IFC200
ZD207
R205
C203
R201
R200
R206
C204
1
IN
GND
2
EN
3
4
OUT
5GND
U201
R207
R204
ZD200
VCHG_P_5P0
ZD201
C202
VBAT
ZD202
ZD203
C200
R208
USB_D_P
USB_D_N
JIG_ON
USB_ID_JT
A
UART1_TD
CHARGER
VBAT
C156
VBUS_5P0
VDDIO_2V8
R137
9
PGB
1VIN
8
6
EN|SET
3GND
7
GND
11GND
5IEOC
ISET
2
LDO
4
U102
BATT 10
CHGSB
C155
R136
R134
R138
R135
VCHG_P_5P0
CHG_
E
CHG_DET
VBAT_SENSE
CHG_STATE
8-3-2. Charging Part
END
ThefirstPinofIFC200is5V?
No
Yes
ZD200,C156or C200 =5V?
No
Yes
Resolder or Replace IFC200
Must be 5V
Resolder ZD200,C156
Initial Failure
Yes
ZD200,C156or C200 =5V?
No
Resolder or Replace U102
Yes

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-8
C
C
C
C
C
C
C
1
1
4
4
4
9
9
9
9
9
9
9
9
C150
C
C
C
C
C
C
C
1
1
5
5
5
5
5
5
5
0
0
0
0
0
0
50
50
50
C151
C
C
C
C
C
C
C
1
1
5
5
5
5
1
5
5
5
1
1
1
C152
C
C
C
C
C
C
C
1
1
5
5
5
5
5
5
5
52
2
2
2
2
2
2
52
C153
C
C
C
C
C
3
C
C
1
1
5
5
5
5
5
5
5
5
53
3
3
3
3
3
3
3
53
C154
C
C
C
C
C
C
C
1
4
1
5
5
5
5
5
5
5
5
4
4
54
C155
C
C
C
C
C
C
C
1
1
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
C156
C
C
C
C
C
C
C
1
1
1
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
C158
C
C
C
C
C
C
C
1
1
1
5
5
5
5
5
5
5
5
8
8
8
8
58
58
8
8
58
8
58
8
58
8
58
C165
C
C
C
C
C
C
C
1
1
6
6
6
6
6
6
6
5
6
5
5
5
5
5
5
5
C200
C
C
C
C
C
C
C
C2
2
2
2
2
2
C2
C2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
C209
C
C
C
C
C
C
C
C2
2
2
2
2
2
0
C2
C2
0
0
0
0
0
0
0
20
20
9
9
9
9
9
9
9
9
9
9
9
C210
C
C
C
C
C
C
C
C2
2
2
2
2
2
C2
C2
1
1
1
0
0
0
0
0
0
0
0
C219
C
C
C
C
C
C
9
C
C2
2
2
2
2
2
C2
C2
1
1
1
9
9
9
9
9
9
9
9
9
C220
C
C
C
C
C
C
C
C2
C2
2
2
2
2
C2
C2
22
2
2
2
2
2
22
22
0
0
0
0
0
0
20
20
20
C302
C
C
C
C
C
C
C
C3
3
3
3
3
3
3
3
C3
0
0
0
0
0
0
30
30
30
2
2
2
2
2
2
2
2
02
C303
C
C
C
C
C
C
C
C3
3
3
3
0
3
3
3
3
C3
30
0
0
0
0
0
0
3
30
30
03
3
3
3
3
3
3
3
3
L118
L
L
1
1
8
1
1
1
1
8
8
8
8
8
8
8
8
8
8
8
8
8
R135
R
R
R
R
R
R
R
1
1
3
3
3
3
3
3
3
3
5
3
5
5
5
5
5
5
5
5
R136
R
R
R
R
R
R
R
1
1
3
3
3
3
3
3
3
3
3
6
6
6
6
6
6
6
6
6
R137
R
R
R
R
R
R
R
R
1
R1
3
3
3
3
3
3
3
3
3
7
R138
R
R
R
R
R
R
R
R
1
R1
3
3
3
3
3
3
3
3
3
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
R210
R
R
R
R
R
R
R
R2
R2
2
2
2
2
R2
R2
1
1
0
1
0
0
0
0
0
0
0
0
0
R218
R
R
R
R
R
R
R
R2
2
2
2
2
2
R2
R2
1
1
1
8
8
8
8
8
8
8
8
8
8
8
8
8
SPK300SPK300SPK300
S
S
S
S
S
S
S
S
S
S
S
P
P
P
P
P
P
K
K
K3
3
3
3
3
3
3
3
K3
30
0
0
0
0
0
30
3
30
0
0
0
0
0
0
0
0
0
TP101
T
T
T
P
P
P
P
P
P
1
1
0
1
0
0
0
0
0
0
0
0
0
1
1
1
TP102
T
T
T
P
P
P
P
P
P
1
1
02
1
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
TP103
TP103
T
T
P
P
P
P
P
P
1
1
1
0
0
0
0
0
0
0
3
0
0
3
3
3
3
3
3
3
3
3
U102
U
U
U
U
U
1
1
1
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
U103
U
U
U
U
U
1
1
1
0
0
0
0
0
0
0
0
3
3
3
3
3
3
3
3
3
0
0
0
ZD300
Z
Z
Z
D
D
D
D
D
D
D3
3
3
3
3
3
3
3
D3
0
0
0
0
0
0
30
30
30
0
0
0
0
0
0
0
0
ZD301
Z
Z
Z
D
D
D
D
D
D
D3
3
3
3
3
3
3
3
D3
0
0
0
0
0
0
0
30
30
1
1
1
C307
C
C
C
C
C
C
C
C3
3
3
3
3
3
3
3
C3
0
0
0
0
0
30
30
07
7
I
I
F
F
C
C
C
C
C
C
2
2
2
2
2
2
00
2
0
0
0
0
0
0
0
0
0
0
0
0
0
L300
L
L
L3
3
3
3
3
3
3
3
L3
0
0
0
00
00
0
0
0
00
0
0
0
0
0
0
0
0
0
3
3
L303
L
L
L3
3
3
3
3
3
3
3
L3
0
0
0
03
0
0
0
03
3
3
3
3
3
3
3
3
3
R200
R
R
R
R
R
R
R
R2
R2
00
2
2
2
2
R2
R2
2
0
0
0
0
0
20
20
20
0
0
0
0
0
0
0
0
00
00
R201
R
R
R
R
R
R
R
R2
R2
2
2
2
2
R2
R2
0
0
0
0
0
0
20
20
20
1
1
1
R322
R
R
R
R
R
R
R
R3
3
3
3
3
3
3
3
R3
32
2
2
22
2
2
2
32
32
22
2
2
2
2
2
2
22
22
R323
R
R
R
R
R
R
R
R3
3
3
3
3
3
3
3
R3
32
2
2
2
2
2
32
32
23
3
3
3
3
3
3
3
3
23
ZD200
0
Z
Z
D
D
D
D
D
D2
2
2
2
2
D2
D2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ZD201
Z
Z
Z
D20
ZD
D
D
D
ZD
D
D2
D2
2
2
2
2
D2
D2
2
0
0
0
0
0
20
20
20
1
1
1
D202
D
D
D
D
Z
Z
Z
Z
Z
202
ZD
D
D2
D2
2
2
2
2
D2
D2
2
0
0
0
0
0
20
20
20
02
2
2
2
2
2
2
02
02
ZD
D305
Z
Z
Z
D
D
D
D
D
D
D3
3
3
3
05
3
3
3
3
D3
30
0
0
0
0
0
0
30
30
5
5
5
5
5
5
5
5

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-9
8-3-3. Sim Part
SIM200/SIM201 pin1/pin1or
C210/C220 ≥3.0V?
and all pin3(SIM_CLK) ≥3MHz ?
Replace UCP100 or PBA
insert SIM card &access it,
then must be sim pin1 or C210/C220 = "H"
Check the SIM Card
(look over if it get damaged.)
END
No
Yes
Yes
Yes
No Resolder or Replace SIM200,SIM201
connector.(Because of not soldering well)
After Power ON,
Check SIMClk Signal on
pin3 of SIM200,SIM201 in afew
second(method :wiring pin 3and
checking its waveform using an
oscilloscope)
Yes
No
Confirm an another PBA
After SIM card insert,
SIM200,SIM201 pin 2(SIM_RST) =
"H=3.0V"?
(method :wiring pin 3and check
its waveform using an
oscilloscope)
Yes
Phone can't access SIM Card

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-10
C209
C
C
C
C
C
C
C2
2
2
2
2
C2
C2
0
0
0
0
0
0
9
0
9
9
9
9
9
9
9
9
C210
C
C
C
C
C
C
0
C2
2
2
2
2
C2
C2
1
1
1
0
0
0
0
0
0
0
0
C219
C
C
C
C
C
C
C2
2
2
2
2
C2
C2
1
1
1
9
9
9
9
9
9
9
9
9
C220
C
C
C
C
C
C
C
C2
2
2
2
2
2
C2
C2
2
2
2
0
2
2
2
2
2
0
0
0
0
0
0
0
0
0
C302
C
C
C
C
C
C
C
C3
3
3
3
3
3
3
3
C3
0
0
0
0
0
0
0
0
2
2
2
2
2
2
2
2
C303
C
C
C
C
C
C
C
C3
3
3
3
0
3
3
3
3
C3
0
0
0
0
0
0
0
0
3
3
3
3
3
3
3
3
3
R135
R
R
R
R
R
R
R
1
1
1
3
3
3
3
3
3
3
3
3
5
5
5
5
5
5
5
5
R136
R
R
R
R
R
R
R
1
1
1
3
3
3
3
3
3
3
3
3
6
6
6
6
6
6
6
6
6
R210
R
R
R
R
R
R
R2
2
2
2
2
R2
0
R2
1
1
1
0
0
0
0
0
0
0
0
0
R218
R
R
R
R
R
R
R
R2
2
2
2
2
2
R2
R2
1
1
1
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
ZD300
Z
Z
Z
D
D
D
D
D
D
D3
3
3
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ZD301
Z
Z
Z
D
D
D
D
D
D
D3
3
3
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
1
1
1
SIM1
C210
C209
R210
VSIM0_3V
NC
11 12
NCNC
13 14
NC
15
NCNC
16
3 3
44
5
5
66
7
G G
8 9
G G
10
SIM200
5000-6P-1.6T
1 1
2 2 SIM0_RST
SIM0_CLK
SIM0_IO

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-11
B
B
H101
H
H
1
1
1
0
0
0
0
0
0
0
0
1
1
1
C157
C
C
C
C
C
C
C
1
1
1
5
5
5
5
5
5
5
5
7
7
C166
C
C
C
C
6
C
C
C
1
1
1
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
MOT100
M
M
M
M
O
O
O
O
O
O
T
T
T1
0
0
0
0
0
0
0
0
0
00
0
0
0
00
ZD203
Z
Z
D
D
D
D
D
D2
2
2
2
2
D2
D2
0
0
0
0
0
0
0
0
3
3
3
3
3
3
3
3
VIBRAT
O
C157
C166
VBAT
2
MOT100
1
1
2
VIB_CTRL
8-3-4.Motor Part
Motor does not work
END
Check if C166 and C157 is well?
Yes
No
Replace C166 and C157
Check if the motor work well?
(Add 3V voltage between motor
pins)
Yes
No
Change the motor sample
Check if the voltage of motor
>3V
No
Replace UCP100 or PBA
Yes

Level 3Repair
Distribution, transmission, or infringement of any content or data from this document without Samsung’s written authorization is strictly prohibited.
Confidential and proprietary-the contents in this service guide subject to change without prior notice.
8-12
8-3-5.Microphone Part
C148=" H=2.8V"
at Mic Active ?
Check the MIC Connection
(look over schematics about
schemetics.)
Resolder or Replace UCP100
(Because of not soldering well)
Resolder R315,R316,R317,
L307,L308,L309
C316,C319
(not work if those is not connected.)
END
No
Yes
Yes
Yes
Yes
No
Check the MIC sample.
(it be possible the problem
things)
No Replace an another MIC
(because of being possible the problem)
Microphone does not work