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B. GSM I/Q Signal Check
Idata
(TP402)
➀
DCLK
(TP403)
Qdata
(TP404)
K2
A1
NC5
RFHD
K3
A2
MODA
RFHC
K4
A3
MODB
GNDRF
K5
A4
MODC
RFLB
K6
A5
MODD
RFLA
K7
A6
N405
VCCPLL
VCCRF
K8
A7
LZT-108-5325
XOOB
QRB
K9
A8
XOOC
QRA
K10
A9
NC6
IRB
H3
A10
GNDBUF
IRA
H4
C4
NC3
REON
H5
C5
PS
CLK
H6
C6
GNDPLL
DATA
H7
C7
XOOLA
STROBE
➁
R430
R431
0
R429
0
0
R428
0
- 177 -
4. TROUBLE SHOOTING
IRB
(R431)
TP404
N402
LZN-901-0536-R1A
F1
AVDD
D3
I2CDAT
D1
D5
I2CCLK
QDAT
G8
A4
SYSCLK2_MCLK
IDAT
D2
C5
RESETON_RESETB
DCLK
A8
IRA
A7
IRB
A6
H4
QRA
AUXO2
A5
G5
QRB
BEARP
B4
H5
RXSTR
BEARN
G7
PCMUL
E4
E6
AUXI1
GPDAT
F2
E5
CCO
GPCLK
F3
MICIP
G1
C3
MICIN
DAC01
B8
B3
GPA0
DAC02
B6
A3
GPA1
DAC03
C6
GPA2
C7
GPA3
C8
C2
GPA4
DACCLK
D6
C1
GPA5
DACDAT
D8
D4
GPA6
DACSTR
D7
GPA7
E2
DEC1
H7
H2
PCMDL
DEC2
F6
H3
PCMCLK
DEC3
G6
B2
PCMSYN
DEC4
E7
E1
ADSTR
DEC5
E3
REXT
A1
A2
R405
VSS1
VDD1
100K
B1
B5
VSS2
VDD2
C4
B7
VSS3
VDD3
E8
F5
VSS4
VDD4
F4
F8
VSS5
VDD5
F7
H6
VSS6
VDD6
G3
VSS7
G4
G2
VSS8
NC1
H8
H1
VSS9
NC2
QRB
(R428)
QRA
(R429)
➁
IRA
(R430)
➀
TP402
TP403
QDATA
IDATA
DCLK
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