- 61 -
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
R202
180K
0.1u
C205
180K
R207
C206
0.015u
0.1u
C204
C218
0.1u
10K
R205
0.1u
C217
C216
0.015u
470K
R204
R203
10K
MICOUTN
MICOUTP
MICFBN
MICFBP
MICINN
MICINP
MSM6250A Block
Head Set Jack Block
MIC_Feedback
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
Z3X-BOX.COM
Summary of Contents for U300
Page 3: ... 4 Z 3 X B O X C O M ...
Page 24: ...3 TECHNICAL BRIEF 25 Figure 3 3 1 1 RFR6250 IC functional block diagram Z 3 X B O X C O M ...
Page 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram Z 3 X B O X C O M ...
Page 76: ...4 TROUBLE SHOOTING 77 4 5 Checking WCDMA Block Z 3 X B O X C O M ...
Page 77: ...4 TROUBLE SHOOTING 78 4 3 5 1 2 Z 3 X B O X C O M ...
Page 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 ...
Page 85: ...4 6 Checking GSM Block 4 TROUBLE SHOOTING 86 Z 3 X B O X C O M ...
Page 87: ...4 TROUBLE SHOOTING 88 Z 3 X B O X C O M ...
Page 89: ...4 TROUBLE SHOOTING 90 Z 3 X B O X C O M ...
Page 92: ...4 TROUBLE SHOOTING 93 Z 3 X B O X C O M ...
Page 95: ...4 TROUBLE SHOOTING 96 Z 3 X B O X C O M ...
Page 110: ...4 TROUBLE SHOOTING 111 C515 C516 CN501 Z 3 X B O X C O M ...
Page 116: ...4 TROUBLE SHOOTING 117 C201 C202 for MIC capacitor Z 3 X B O X C O M ...
Page 119: ...4 TROUBLE SHOOTING 120 Q400 Q401 Q402 VBATT GND Z 3 X B O X C O M ...
Page 140: ...6 BLOCK DIAGRAM 141 Z 3 X B O X C O M ...
Page 141: ...6 2 Interface Diagram U300 Interface Diagram 6 BLOCK DIAGRAM 142 Z 3 X B O X C O M ...
Page 149: ... 150 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 150: ... 151 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 151: ... 152 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 152: ... 153 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 153: ... 154 Z 3 X B O X C O M ...
Page 156: ...9 Calibration 157 Check testing object Click Start for Calibration Z 3 X B O X C O M ...
Page 157: ...9 Calibration 158 Show result of calibration Show result Z 3 X B O X C O M ...
Page 159: ... 160 Z 3 X B O X C O M ...
Page 183: ...Note Z 3 X B O X C O M ...
Page 184: ...Note Z 3 X B O X C O M ...