3. TECHNICAL BRIEF
- 66 -
MIC
0.022u
C535
47p
U505
SP0102BE3
2
G1
G2
3
G3
5
OUT
1
4
PWR
C537
C1120
33p
C533
NA
R529
NA
0
R528
C534
0.022u
C1119
10p
C536
NA
10u
C538
R527
NA
MIC1N
MIC1P
MICBIAS
Audio AMP
R506
80.6K
VO+
C3
VO-
A3
C2
_SHDN
R503
0
GND1
A2
B3
GND2
IN+
A1
C1
IN-
PVDD
B2
VDD
B1
TPA2010D1YZF
U502
C505
1u
R550
100K
80.6K
R507
R500
0
C506
1u
80.6K
R505
0.022u
C504
0
R501
R504
80.6K
C507
C508
0.022u
0.022u
C509 0.022u
0
R502
GND1
A2
B3
GND2
IN+
A1
C1
IN-
PVDD
B2
VDD
B1
VO+
C3
VO-
A3
C2
_SHDN
TPA2010D1YZF
U503
HPL_L
SPK_AMP_EN
SPK_R-
SPK_R+
SPK_L-
SPK_L+
AMP_PWR
HPL_R
SPK_AMP_EN
AMP_PWR
Audio Amp for loud Speaker
Handset main MIC BLK
⇒
Speaker
⇒
Speaker
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 ...