3. TECHNICAL BRIEF
- 65 -
Figure 3.10.11.2-2 U8500 SUB b’d schematics
U8500 schematics
Near to MSM
0.1u
C239
W15
HPH_R
W17
HPH_L
W18
MICOUTN
AF18
EAR1OP
AF19
AUXIN_AUXIR
AF20
MIC1N
AF22
MICINP
AF24
CCOMP
AE19
AUXIP_AUXIL
AE20
MIC1P
AE22
MICINN
AE23
MICBIAS
AC17
EAR1ON
AC18
AUXON_AUXOR
MIC2P
AC19
AC20
MICFBP
AC21
MICFBN
AC25
HKADC[4]
AB23
HKADC[5]
MIC2N
AA19
MICOUTP
AA17
AUXOP_AUXOL
AA18
0.022u
C200
0.022u
C201
R201
150K
MIC2N
MIC2P
VREG_MSMP_2.7V
RCV-
RCV+
HPL_L
HPL_R
VBAT_TEMP
MICOUTP
MICINP
MIC1N
MICINN
MIC1P
MICFBN
MICFBP
MICOUTN
GND_RET
MICBIAS
0.015u
C240
0.1u
C247
R214
180K
C244
0.1u
10K
R217
0.1u
C245
R216
470K
0.1u
C246
R211
10K
180K
R215
0.015u
C248
MICOUTP
MICFBN
MICFBP
MICINN
MICINP
MICOUTN
DAUGHTER_HEADSET
C932
47p
33p
47p
C931
C916
C912
10p
2.2K
R905
16
17
18
2
3
4
5
6
7
8
9
C-1827541
CN901
1
10
11
12
13
14
15
C907
33u
10u
C914
C913
VA900
EVLC14S02050
33p
10p
C917
EVLC14S02050
VA902
UCLAMP0505A
1
2
3
4
5
6
C915
10p
D901
33u
C911
R907
2.2K
10K
R903
MIC2P
MIC2N
HP_OUT_R
EAR_SENSE_N
HOOK_SENSE_N
MULTI_ADC
HP_OUT_L
MICBIAS
VREG_MSMP_2.7V
MSM6250 BLK
MIC_Feedback
Head Set Jack BLK
Summary of Contents for U8500
Page 1: ...Date February 2006 Issue 1 0 Service Manual Model U8500 Service Manual U8500 ...
Page 20: ...3 TECHNICAL BRIEF 21 ...
Page 32: ...3 TECHNICAL BRIEF 33 Figure 3 5 6 1 GSM PA functional block diagram ...
Page 35: ...3 TECHNICAL BRIEF 36 Figure 3 5 10 1 Bluetooth system architecture ...
Page 50: ...3 TECHNICAL BRIEF 51 Figure 3 10 3 2 1 PM6650 Functional Block Diagram ...
Page 114: ...4 TROUBLE SHOOTING 115 Loud Speaker U502 U503 Amp ...
Page 118: ...4 TROUBLE SHOOTING 119 C200 C201 for MIC serial capacitor ...
Page 121: ...4 TROUBLE SHOOTING 122 Q404 Q403 Q402 VBATT GND ...
Page 143: ...6 BLOCK DIAGRAM 144 6 3 Interface Diagram U8500 Interface Diagram ...
Page 145: ... 146 ...
Page 154: ... 155 U8500 8 PCB LAYOUT ...
Page 155: ... 156 8 PCB LAYOUT U8500 ...
Page 156: ... 157 8 PCB LAYOUT ...
Page 157: ... 158 8 PCB LAYOUT ...
Page 158: ... 159 U8500 8 PCB LAYOUT ...
Page 159: ... 160 U8500 8 PCB LAYOUT ...
Page 166: ...9 CALIBRATION 167 Click START button U8500 U8500_ver1 1 U8500 U8500 Click U8500 ...
Page 167: ... 168 ...
Page 169: ... 170 ...
Page 194: ...Note ...
Page 195: ...Note ...