- 65 -
4.15 Camera Flash Trouble
• Camera Flash operation
• Check point
- Camera flash is operated with U502.
- FLASH_EN signal, VBAT, Charge pump
The chip select of U502 is FLASH_EN which
come by DBB
U502
C505
R509
R501
100K
1u
C509
VBAT
1u
C505
100K
R502
1u
C506
NA
R503
1u
C508
1
EN_FLSH
16
EN_SET
10
9
GND
5
ISINK1
6
ISINK2
ISINK3
7
ISINK4
8
PGND
17
4
VIN
13
VOUT_BL
3
VOUT_FL
AAT2806IXN-4.5-T1
11
C1+
12
C1-
C2+
14
15
C2-
2
C3+
C3-
U502
C504
1u
R504
0
C507
1u
LCD_BACKLIGHT
MLED
FLASH_LED
FLASH_EN
MLED4
MLED3
MLED2
MLED1
Test Point
Circuit Diagram
Z3X-BOX.COM
Содержание CE500
Страница 1: ...Service Manual Model CE500 Service Manual CE500 Date September 2005 Issue 1 0 Z 3 X B O X C O M ...
Страница 3: ... 4 Z 3 X B O X C O M ...
Страница 14: ...3 Technical Brief 15 3 1 4 Digital Baseband DBB Processor Block diagram of the AD6532 Z 3 X B O X C O M ...
Страница 36: ...4 TROUBLE SHOOTING 37 Test Point VEXT VRTC VMEM VINT VSIM VPLL VUSB VABB VTCXO VCORE VMIC Z 3 X B O X C O M ...
Страница 77: ...4 TROUBLE SHOOTING 78 5 Check Tx I Q TXQP TXQN TXIN TXIP U704 Test Point Z 3 X B O X C O M ...
Страница 85: ...Note 86 Z 3 X B O X C O M ...
Страница 93: ... 94 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 94: ... 95 8 PCB LAYOUT Z 3 X B O X C O M ...
Страница 95: ... 96 Z 3 X B O X C O M ...
Страница 103: ...9 CALIBRATION 104 L Standalone Test Equipment Setup Oscilloscope Z 3 X B O X C O M ...
Страница 105: ... 106 Z 3 X B O X C O M ...
Страница 127: ...Note 128 Z 3 X B O X C O M ...