Samsung GT-i9001 Service Manual page 35

Level 3 Repair
C534 C535 C536 C537 C538 C539 C540
C541
VREG_MSMC1_1.1V VREG_MSMC2_1.1V VREG_MSMA_1.3V VREG_1.8V
C545 C546 C547 C548 C549
K12
MSM_RXD2_1.8V U501
UPL_IN4|UART_M_TX|GPIO_36
L12
UART_M_RX|UPL_OUT|GPIO_37
J5
SLEEP_CLK1|GPIO_38
J4
MP3_CLK|SLEEP_CLK2|GPIO_39
M8
EXT_SMPS_EN|GPIO_40
A10
VREG_L0
A11
VREG_L1
E1
VREG_L2
C1
VREG_L3
C2
VREG_L4
B1
VREG_L5
R3
VREG_L6
P2
VREG_L7
L1
VREG_L8
N1
VREG_L9
T2
VREG_L10
D1
VREG_L11
G1
VREG_L12
C16
VREG_L13
H1
VREG_L14
K1
VREG_L15
A16
VREG_L16
A6
VREG_L17
A4
VREG_L18
L15
VREG_L19
M15
VREG_L20
A12
VREG_L21
A9
VREG_L22
T16
VREG_L23
N16
VREG_L24
R16
VREG_L25
N15
VREG_S0
R13
VREG_S1
B13
VREG_S2
G15
VREG_S3
D15
VREG_S4
L16
VSW_S0
T14
VSW_S1
A14
VSW_S2
H16
VSW_S3
E16
VSW_S4
VREG_QTR_2.2V
L503
L504
L505
L506
L507
C550 C551
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A2
XTAL_19M_IN
A8
XTAL_32K_IN
A3
XTAL_19M_OUT
A7
XTAL_32K_OUT
N5
U_PA_ON0
N4
U_PA_ON1
M5
U_PA_ON2
M4
U_PA_ON3
N6
G_PA_ON0
L5
G_PA_ON1
R12
VPH_PWR
T12
VPH_PWR
N11
HSED_BIAS0
N9
HSED_BIAS1
N10
HSED_BIAS2
E13
PM_INT_MDM_N
E11
PM_INT_SEC_N
E12
PM_INT_USR_N
N12
OVP_CLAMP
M13
OVP_CTL
N13
OVP_SNS
T7
NCP_CTC1
T5
NCP_CTC2
R6
NCP_FB
T8
VREG_NCP
B15
NFC_EXT_EN
D13
REF_BYP
G10
REF_GND
G2
XOADC_REF
M12
VREF_THERM
D12
PS_HOLD
E15
PON_RESET_N
B14
RESIN_N
D11
SSBI
C15
SLEEP_CLK0
8-6