3.10.10. Display & LCD FPC Interface
LCD module is connected to Main board with 50-pin BtoB connector (CN600_AXT450164) and
Speaker, Receiver, Vibrator are connected by soldering the leads to pads in LCD FPCB module.
The LCD is controlled by 16-bit EBI2 in MSM6250
1 : NC
26 : KEY_ROW(3) : MOD_KEY
2 : VCC_2.8V : LCD Power
27 : KEY_COL(2) : MOD_KEY
3 : VCC_2.8V : LCD Power
28 : WLED_4 : LCD Back light control
4 : GND
29 : WLED_3 : LCD Back light control
5 : DATA(0)
30 : WLED_2 : LCD Back light control
6 : DATA(1)
31 : WLED_1 : LCD Back light control
7 : DATA(2)
32 : MOTOR_PWR- : MOTOR control
8 : DATA(3)
33 : RCV- : Receiver
9 : DATA(4)
34 : RCV+ : Receiver
10 : DATA(5)
35 : GND
11 : DATA(6)
36 : DATA(15)
12 : DATA(7)
37 : DATA(14)
13 : LCD MAKER ID
38 : DATA(13)
14 : GND
39 : DATA(12)
15 : +VPWR : Vibrator Power
40 : DATA(11)
16 : GND
41 : DATA(10)
17 : KEY_COL(6) : MOD KEY
42 : DATA(9)
18 : WLED_PWR : LCD Back light power
43 : DATA(8)
19 : WLED_PWR : LCD Back light power
44 : OE_N : Read_Enable
20 : GND
45 : WE_N : Write_Enable
21 : SPK_R+ : Loud speaker Right
46 : GND
22 : SPK_R- : Loud speaker Right
47 : ADS : Address strobe
23 : SPK_L+ : Loud speaker Left
48 : LCD_CS_N : Chip select
24 : SPK_L- : Loud speaker Left
49 : LCD_RESET_N
25 : KEY_ROW(1) : MOD KEY
50 : LCD_IF_MODE : LCD Data interface control
3. TECHNICAL BRIEF
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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 ...