3. TECHNICAL BRIEF
- 61 -
3.13 FLASH LED CHARGE PUMP (AAT2807AIXN-4.5 U401)
FLASH LED CHARGEPUMP
(GPIO_24)
1u
C415
C410
1u
VBAT
FB401
7.5K
R415
PGND
VIN
4
13
VOUT_BL
3
VOUT_FL
AAT2807AIXN-4.5
11
C1+
C1-
12
14
C2+
C2-
15
C3+
2
1
C3-
EN_FLSH
16
10
EN_SET
GND
9
5
ISINK1
6
ISINK2
ISINK3
7
NC
8
17
U401
1u
C414
100K
R414
R410
1.5K
1u
C412
FB400
1u
C411
22
R406
C413
1u
MLED2
MLED3
MLED
FLASH_LED
LCD_DIM_CTRL
MLED1
C_FLASH
Figure 3-30. CHAGE PUMP
Z3X-BOX.COM
Summary of Contents for MG300d
Page 23: ...3 TECHNICAL BRIEF 24 Figure 3 1 SKY74400 FUNCTIONAL BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 83: ...4 TROUBLE SHOOTING 84 4 6 LCD Trouble EMI FILTER CN600 Test Points Z 3 X B O X C O M ...
Page 110: ...5 DOWNLOAD AND CALIBRATION 111 8 Push the START button Z 3 X B O X C O M ...
Page 111: ...5 DOWNLOAD AND CALIBRATION 112 9 Phone test Finish is shown in below screen Z 3 X B O X C O M ...
Page 112: ...6 BLOCK DIAGRAM 113 6 BLOCK DIAGRAM Z 3 X B O X C O M ...
Page 113: ... 114 Z 3 X B O X C O M ...
Page 124: ... 125 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 125: ... 126 MG300d 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 137: ... 138 Z 3 X B O X C O M ...
Page 138: ... 139 Z 3 X B O X C O M ...
Page 140: ... 141 12 EXPLODED VIEW REPLACEMENT PART LIST Z 3 X B O X C O M ...
Page 141: ... 142 Z 3 X B O X C O M ...