3.11.2.2 Main Bottom Side(continued)
3. TECHNICAL BRIEF
- 72 -
U500
CN501
U501
U400
U301
D602,D603
X400
U402
Q400,Q401
U401
Q404
CN503
FL600
CN600
CN500
D600
U200
X200
TR1000
U300
X1000
J300
Q403
Q402
U505
CN502
Reference
Description
Reference
Description
Q400, Q401
N/P-MOS FET for WCDMA PAM
TR1000
TR for signal Buffering
power control
U401
TVS for USB signal
U300
TVS for USIM signal
Q404
TR for USB charging control
X1000
19.2MHz Main Crystal
CN503
IO Connector
J300
6pin SIM connector
Q403
TR for TA Charging control
U505
MIC
Q402
FET for Battery charging control
CN502
Battery connector
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 ...