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4.17.5 Microphone for Headset
MIC for Head_Set path as below:
Insert Headset
→
EAR_SENSE_N(pin6) goes 0V
→
MSM6250A sense Head_Set insertion
→
MIC signal goes to MSM(C201, C202)
10K
R511
2.2K
R514
33u
C516
R512
10K
EVLC14S02050
VA509
2
3
4
5
6
7
8
9
1
10
11
12
13
14
15
16
17
18
CN501
C-1827541
C524
47p
C512
10p
C515
33u
33p
C520
C522
33p
R510
10K
VREG_MSMP_2.7V
VA510
EVLC14S02050
EVLC14S02050
VA507
VA512
EVLC14S02050
VREG_MSMP_2.7V
VA508
EVLC14S02050
C521
10p
R516
0
EVLC14S02050
VA511
0
R517
10u
C513
VA506
EVLC14S02050
VREG_MSMP_2.7V
C525
47p
C523
10p
R507
2.2K
EAR_SENSE_N
HPL_L
MULTI_ADC
MICBIAS
HOOK_SENSE_N
HPL_R
MIC2P
MIC2N
Near to MSM
Near to MSM
AUDIO
22n
C221
0.1u
C222
10p
C202
HPH_R
W15
HPH_L
W17
MICOUTN
W18
MIC1N
AF20
MICINP
AF22
AF24
CCOMP
EAR1OP
AF18
AUXIN_AUXIR
AF19
AUXIP_AUXIL
AE19
MIC1P
AE20
MICINN
AE22
MICBIAS
AE23
AUXON_AUXOR
AC18
AC19
MIC2P
MICFBP
AC20
MICFBN
AC21
AC17
EAR1ON
HKADC[5]
AUXOP_AUXOL
AA17
MIC2N
AA18
MICOUTP
AA19
C201
10p
C220
22n
MIC2N
MIC2P
RCV+
MID_SPK-
RCV-
HPL_L
HPL_R
VBAT_TEMP
MICFBN
MICFBP
MICOUTP
MICINP
MIC1N
MICINN
MIC1P
MICOUTN
GND_RET
MICBIAS
Start
EAR_SENSE_N is 0V?
Yes
END
Make a call
MIC_BIAS is 1.8V ?
Change the Main B'd
Yes
OK
NO
NO
NO
Try change the head set
Change the Main B'd
Change the Main B'd
Z3X-BOX.COM
Содержание U300
Страница 1: ...Date June 2006 Issue 1 0 Service Manual U300 U300C Service Manual Model U300 U300C Z 3 X B O X C O M ...
Страница 3: ... 4 Z 3 X B O X C O M ...
Страница 24: ...3 TECHNICAL BRIEF 25 Figure 3 3 1 1 RFR6250 IC functional block diagram Z 3 X B O X C O M ...
Страница 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Страница 76: ...4 TROUBLE SHOOTING 77 4 5 Checking WCDMA Block Z 3 X B O X C O M ...
Страница 77: ...4 TROUBLE SHOOTING 78 4 3 5 1 2 Z 3 X B O X C O M ...
Страница 82: ...4 TROUBLE SHOOTING 83 4 5 5 Check RF Rx Level Test Point RF Rx Level Z 3 X B O X C O M ...
Страница 85: ...4 6 Checking GSM Block 4 TROUBLE SHOOTING 86 Z 3 X B O X C O M ...
Страница 87: ...4 TROUBLE SHOOTING 88 Z 3 X B O X C O M ...
Страница 89: ...4 TROUBLE SHOOTING 90 Z 3 X B O X C O M ...
Страница 92: ...4 TROUBLE SHOOTING 93 Z 3 X B O X C O M ...
Страница 95: ...4 TROUBLE SHOOTING 96 Z 3 X B O X C O M ...
Страница 103: ...4 TROUBLE SHOOTING 104 LCD Control data flow CN600 50pin LCD connector 40pin LCD connector LCD Module Z 3 X B O X C O M ...
Страница 110: ...4 TROUBLE SHOOTING 111 C515 C516 CN501 Z 3 X B O X C O M ...
Страница 116: ...4 TROUBLE SHOOTING 117 C201 C202 for MIC capacitor Z 3 X B O X C O M ...
Страница 119: ...4 TROUBLE SHOOTING 120 Q400 Q401 Q402 VBATT GND Z 3 X B O X C O M ...
Страница 140: ...6 BLOCK DIAGRAM 141 Z 3 X B O X C O M ...
Страница 141: ...6 2 Interface Diagram U300 Interface Diagram 6 BLOCK DIAGRAM 142 Z 3 X B O X C O M ...
Страница 149: ... 150 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 150: ... 151 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 151: ... 152 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 152: ... 153 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 153: ... 154 Z 3 X B O X C O M ...
Страница 155: ...9 Calibration 156 9 2 How to use HOT KIMCHI 9 2 1 Calibration Find model name Apply U300 model Z 3 X B O X C O M ...
Страница 156: ...9 Calibration 157 Check testing object Click Start for Calibration Z 3 X B O X C O M ...
Страница 157: ...9 Calibration 158 Show result of calibration Show result Z 3 X B O X C O M ...
Страница 159: ... 160 Z 3 X B O X C O M ...
Страница 183: ...Note Z 3 X B O X C O M ...
Страница 184: ...Note Z 3 X B O X C O M ...