Samsung SGH-F480 Servise Manual page 17

NEC_VCAM_1.2VV
U601
L605
1
IN 6
LX
2
5
GND GND
3O UT
4
_SHDN
C629
R633
CAM_PWR_ON2
R615
TOUCH_EN
R634
R617
R708
CAM_PCLK
R709
CAM_MCLK
C710
C715
C714
R634
U603
R633
C601
C637
C547
BATT_LCD
R632
CAM_PWR_ON1
C628
R644
NEC_AVDD_2.8V VTOUCH_2.8V
VBATT_LCD
U604
1
VOUT1 8
CE1
2
7
GND VDD
3
6
CE2 VOUT2
4
5
NC
NC
9 C639 C631
C632
CAM_PCLKF
CAM_MCLKF
C717
C725
C713
C712
C639 C711
C633
U605
R636
R635
C371
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R618
CAM_PWR_ON2
R619
R635
CAM_PWR_ON3
R641
CAM_PWR_ON4
R642 R636
C629
U700
C628
C635
R700 R710
R420 C443
C444
9-7
Flow Chart of Troubleshooting
VBATT_LCD NEC_AF_2.8V NEC_DVDDIO_2.8V
U603
1
8
CE1 VOUT1
2
VDD 7
GND
3
6
CE2 VOUT2
4
5
NC
NC
9
C614 C612
NEC_DVDD_1.8V
VBATT_LCD
U605
1
8
CE1 VOUT1
2
7
GND VDD
3
6
CE2 VOUT2
4
5
NC
NC
9
C633 C634
C613
NEC_SVDD_1.8V
C635