3. TECHNICAL BRIEF
- 67 -
3.12.3 Main Bottom Side
Audio AMP
U504
PMIC(PM6650)
U401
24pin connector for SUB PCB
CN500
1G NAND + 512M SDRAM
U300
SPK & RCV Select IC
U505
Sleep crystal(32.768KHz)
X400
MSM6250
U201
Inverter for buffering
U402
50pin connector for LCD
Module
CN602
EL Driver IC
U602
High freq. Noise filtering EMI
filter
FL600
24pin camera connector
CN501
Camera direction detection IC
U501
Camera Dual LDO(2.7V/1.8V)
U500
Description
Reference
Description
Reference
U501
CN501
U500
U401
U300
U602
X400
U402
Q403,Q404
U403
Q400
CN502
FL600
CN602
CN500
U505
U201
X200
TR100
X100
J300
Q401
Q402
U503
CN503
U504
Summary of Contents for U890
Page 1: ...Date April 2006 Issue 1 0 Service Manual Model U890 U890c Service Manual U890 U890c ...
Page 3: ... 4 ...
Page 20: ...3 TECHNICAL BRIEF 21 ...
Page 46: ...3 TECHNICAL BRIEF 47 Figure PM6650 2 Functional Block Diagram ...
Page 70: ...4 TROUBLE SHOOTING 71 4 2 SIGNAL PATH ...
Page 109: ...4 TROUBLE SHOOTING 110 CN600 50pin LCD connector CN901 C907 C911 FB901 FB902 ...
Page 115: ...4 TROUBLE SHOOTING 116 C226 C227 for MIC serial capacitor ...
Page 118: ...4 TROUBLE SHOOTING 119 Q400 Q401 Q402 VBATT GND ...
Page 139: ...Table 2 1 1 RF Block Component 6 BLOCK DIAGRAM 140 ...
Page 140: ...6 BLOCK DIAGRAM 141 6 2 Interface Diagram U890 Interface Diagram ...
Page 142: ...6 BLOCK DIAGRAM 143 Top Side ...
Page 143: ...6 BLOCK DIAGRAM 144 Bottom Side ...
Page 152: ... 153 8 pcb layout ...
Page 153: ... 154 8 pcb layout ...
Page 154: ... 155 8 pcb layout ...
Page 155: ... 156 8 pcb layout ...
Page 156: ... 157 8 pcb layout ...
Page 157: ... 158 8 pcb layout ...
Page 163: ...9 CALIBRATION 164 9 3 HOT KIMCHI Example Choose_U890 ...
Page 164: ...9 CALIBRATION 165 Click APPLY button Click START button ...
Page 165: ...9 CALIBRATION 166 Click Run button to lunch RF AUTOTEST ...
Page 167: ... 168 ...
Page 191: ...Note ...
Page 192: ...Note ...