Samsung GT-S5200 Service Manual page 41

VDD_MAINKEY_3V3
VDD_SD_3V3
VDD_SUB_KEY_3V3
VDD_SLEEP_2V9
VDD_IO_HIGH_2V9
VDD_USB_3V3
MES_BATT
R304
C312
V_EXT_CHARGE_5V0
C317
HFR_P
1005
C318
HFR_N
1005
C321
EAR1
1005 C322
EAR2
1005
C323
1005
R313
SHORT
SPK_N
R300
SPK_P
1005
SHORT
C328
REF_ON_PMU
PMU_PWREN2
OSC300
C337
C331
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)
C300
C302
1005
C304
1005
C306
C308
C310
VBAT
R303
1005
C313
M2
IN1
C3
IN2
B4
IN3
B10
IN4
B8
IN5
K6
IN6
K12
IN7
L5
IN8
M10
IN9
J5
INA1
H6
INA2
J7
INB1
H8
INB2
K8
C1N
L9
C1P
H12
OUTN
L11
OUTP
F12
CHGIN
F10
CHGINB
H2
XIN
J1
XOUT
C9
PWREN1
E5
PWREN2
G9
TEST1
J9
TEST2
VDD_SUB_KEY_3V3
64 63 62 61
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 39
38 37
38 37
36 35
36 35
34 33
34 33
32 31
32 31
30 29 29
30
28 28 27 27
26 26 25 25
24 23
24 23
22 21
22 21
20 19
20 19
18 17
18 17
16 15
16 15
14 13
14 13
12 11
12 11
10 9
10
9
8 7
8 7
6 5
6 5
4 3
4 3
2 1
2 1
HDC501
C505
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C301
C303
C305
C307
C309
C311
G3
REC1B
G7
REC2B
M4
HPL
L3
C315
HPR
F2
MICBIAS
1005
H10 R311
RXINN HFR_N
K10
RXINP 1005
HFR_P
R312
1005
F4
SIMOFFB
C7
SIMVCC
B12
USBLDO
U300 C324
D10
1005
VL
C325
K4
1005
VBIAS
G1 C326
VISA
E3
VSAVE
H4
CLK32K
D4
TP_PMU_INT
IRQB
E7
SCL
D6
SDA
L1
LX
J3
FB
C329
F8
REFBP
F6
1005
ONKEYB
G5
RESETB
C330
VDD_VIB_3V3
VDD_IO_HIGH_2V9
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)
R506 BLM15BA220SN1D
CAM_PCLK_IN
R507 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
C509
C508
C506
9-13
Flow Chart of Troubleshooting
VDD_AUDIO_2V6
VDD_IO_LOW_1V8
VDD_PLL_1V2
VDD_BAI_2V6
VDD_SYN_2V8
VDD_RX_TX_2V8
AUX_ON
JACK_IN
R307
1005
R308
1005
R309
1005
SIMOFFn
VDD_SIM_3V0
C314
1005
DETECT_VBUS
1
32KHz_DIGIT
INT_PMU
SCL 2
SDA
ONKEY_N
RST_BB
L300
R315
C336
1005
R316
VBAT
C510
BAT300
C338