4. TROUBLE SHOOTING
- 105 -
4.16 Camera Direction Detection Trouble
Camera direction detection is worked as below :
Camera direction change Event -> CAM_SENSE(U501 pin out) is triggered as this (Cam front
side view : 0V, Cam back side view : about 2.5V) -> MSM6250A Sense the Camera direction
change Event
Start
CAM_SENSE is 0V?
Check the magnet in the mechanics of camera module
And Change the camera direction for front
Yes
Yes
NO
Change the Main B'd
NO
Sense is OK?
Yes
END
Sense is OK?
Change the Main B'd
NO
Yes
END
Check U500 and VCC of U501
U500
This pictureís direction is
back side viewing
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 ...