4. TROUBLE SHOOTING
- 116 -
4.17.5 Microphone for Head_Set
MIC for Head_Set path as below:
Insert Headset -> EAR_SENSE_N(pin6) go 0V -> MSM6250A sense Head_Set insertion ->
MIC signal go to MSM(C216, C217) by through b-to-b connector
EAR_MIC2P
C542
NFM21PC105B1A3
MMI_CONNECTOR
VA512
EVLC14S02050
330p
C560
51K
R521
EVLC14S02050
VA509
D502
PRSB6.8C
EVLC14S02050
EVLC14S02050
VA511
VA508
10p
C548
R529
1K
1u
0.01u
C545
47p
C546
C549
C538
33u
EVLC14S02050
VA506
PLW0501H-LF
INSTPAR
D504
33u
C537
0
R526
C550
47p
C547
SD12-TCT
D503
33p
VA507
EVLC14S02050
D501
PRSB6.8C
R524
0
VA513
ICVL0505600V150FR
EVLC14S02050
5
6
7
8
9
VA510
10
11
12
13
14
15
16
17
18
19
2
20
21
22
3
4
CN501
1
3
G1
G2
4
IN
1
OUT
2
USB_VBUS
USB_D-
USB_D+
HPL_L
EAR_SENSE_N
VBATT
HPL_R
UART_TXD
UART_RXD
+5V_PWR
VREG_MSMP_2.7V
PM_ON_SW_N
MIC2N
Near to MSM
AUDIO
C218
0.1u
C216
22n
22n
C217
HPH_R
W15
HPH_L
W17
MICOUTN
W18
AF19
MIC1N
AF20
MICINP
AF22
AF24
CCOMP
EAR1OP
AF18
AUXIN_AUXIR
AUXIP_AUXIL
AE19
MIC1P
AE20
MICINN
AE22
MICBIAS
AE23
EAR1ON
AUXON_AUXOR
AC18
AC19
MIC2P
MICFBP
AC20
MICFBN
AC21
AC17
AUXOP_AUXOL
AA17
MIC2N
AA18
MICOUTP
AA19
MICFBN
MICFBP
RCV-
MICOUTP
MID_SPK-
MICINP
MIC1N
RCV+
MICBIAS
MICINN
MIC1P
HPL_R
HPL_L
MICOUTN
MIC2N
MIC2P
GND_RET
Start
EAR_SENSE_N is 0V?
Yes
END
Make a call
Check the CN501
Change the Main b'd
MIC_BIAS is 1.8V ?
Change the Main B'd
Yes
OK
NO
NO
NO
Try change the head set
Содержание U310
Страница 3: ... 4 ...
Страница 20: ...3 TECHNICAL BRIEF 21 ...
Страница 33: ...3 TECHNICAL BRIEF 34 Figure 3 5 10 1 Bluetooth system architecture ...
Страница 47: ...3 TECHNICAL BRIEF 48 Figure PM6650 2M Functional Block Diagram ...
Страница 72: ...4 TROUBLE SHOOTING 73 4 2 SIGNAL PATH WCDMA Tx PATH WCDMA Rx PATH ...
Страница 76: ...4 TROUBLE SHOOTING 77 ...
Страница 90: ...4 TROUBLE SHOOTING 91 ...
Страница 110: ...4 TROUBLE SHOOTING 111 CN501 C537 C538 MSM6250A ...
Страница 116: ...4 TROUBLE SHOOTING 117 C216 C217 for MIC serial capacitor MSM6250A ...
Страница 119: ...4 TROUBLE SHOOTING 120 Q400 Q401 Q402 VBATT GND ...
Страница 149: ... 150 8 pcb layout ...
Страница 150: ... 151 8 pcb layout ...
Страница 151: ... 152 8 pcb layout ...
Страница 152: ... 153 8 pcb layout ...
Страница 153: ... 154 ...
Страница 160: ...9 Calibration RF Auto Test Program 161 9 3 1 Example for Calibration Click START U310 ...
Страница 161: ...9 Calibration RF Auto Test Program 162 9 3 2 Example for RF Auto Test Click Run button U310 U310 U310 U310 ...
Страница 163: ... 164 ...
Страница 187: ...Note ...
Страница 188: ...Note ...