Samsung GT-S5200 Service Manual page 46

Flow Chart of Troubleshooting
RST_LCD
EN_CAM_PWR
LD_SUB(0)
LD_SUB(2)
LD_SUB(4)
LD_SUB(6)
LD_SUB(8)
LD_SUB(10)
LD_SUB(12)
LD_SUB(14)
LD_SUB(7)
LD_SUB(5)
LD_SUB(3)
TP_LD_ONE
LD_SUB(1)
LD_SUB(15)
LD_SUB(13)
LD_SUB(11)
LD_SUB(9)
LCD_RS_SUB
LCD_CS_SUB
LCD_WR_SUB
FLM_SUB
FLASH_M
KEY_COL(2)
KEY_COL(4)
KEY_ROW(4)
KEY_ROW(3)
KEY_ROW(2)
64 63 62
60 60 59 59
58 58 57 57
56 56 55 55
54 54 53 53
52 52 51 51
50 50 49 49
48 48 47 47
46 46 45 45
44 44 43 43
42 42 41 41
40 39
40
38 37
38
36 35
36
34 33
34
32 31
32
30 29 29
30
28 28 27 27
26 26 25 25
24 23
24
22 21
22
20 19
20
18 17
18
16 15
16
14 13
14
12 11
12
10
10
8
8
6
6
4
4
2
2
HDC501
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VDD_VIB_3V3
VDD_IO_HIGH_2V9
VDD_SUB_KEY_3V3
61
39
37
35
R506
33
R507
31
23
21
19
17
15
13
11
9
9
7
7
5
5
3
3
1
1
C508
C505
C506
9-18
VBAT
EN_CAM_AF_3V0
LCD_RD_SUB
Y_SUB(0)
Y_SUB(1)
Y_SUB(2)
Y_SUB(3)
Y_SUB(4)
Y_SUB(5)
Y_SUB(6)
Y_SUB(7)
BLM15BA220SN1D
CAM_PCLK_IN
BLM15BA220SN1D
CAM_MCLK_OUT
HSYNC_SUB
VSYNC_SUB
RST_CAM
FLASH_P
EN_LCD_BL
ONKEY_N
CAM_SDA_SUB
CAM_SCL_SUB
KEY_COL(3)
SPK_P
SPK_N
C510
C509