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Only for training and service purposes
4. TROUBLE SHOOTING
ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ
`XVXZZ
4.11 Receiver Trouble
4. TROUBLE SHOOTING
TEST POINT
CIRCUIT
Figure 4.11
Receiver
pad
C142_TP1 C143_TP2
C246_TP4C245_TP3
TP3
TP4
TP1
TP2
1n
C102
C105
220n
47p
C108
47p
C109C110
47p
C112
47p
VMIC
T1
A1
T16
A16
T10
P11
R10
P13
P12
T13
R13
T12
R12
N15
N16
T14
R14
M16
M15
K15
T2
P9
J6
R3
M3
K4
N4
T3
J3
A_D21
A_D22
A_D23
A_D24
CS0_N
CS1_N
ADV_N
WAIT_N
ANAMON
BFCLK0
FSYS_EN
EPN
EPP
HSL
HSR
LSN
LSP
MICN1
MICP1
MICN2
MICP2
VMIC
VUMIC
ACD
AGND
VREF
NC1
NC2
NC3
NC4
1n
C127
C136
DNI 47p
C142C143
47pDNI
C144
VHSMIC
RCV_N
MIC_N
HS_MIC_N
MIC_P
HS_MIC_P
AD22
AD21
MEM_CLK
NWAIT
NADV
NRAM_CS
NROM_CS
EAR_SPK_N
EAR_SPK_P
RCV_P
FSYS_EN
AD23
AD24
PLACE THESE CAPS NEAR BB IC
VDDP_DIG1
TP1
SURY0013401
CN204
2
1
0.1uH
L205
L206 0.1uH
VA207
ICVL0518100Y500FR
C245
47pF
VA208
ICVL0518100Y500FR
47pF
C246
RCV_N
RCV_P
MAIN RECEIVER
TP2
TP3
TP4