4. TROUBLE SHOOTING
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Only for training and service purposes
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4.4 Power On Trouble
Figure 4.4.1
Figure 4.4.2
TP1 (U101)
TP2 1K Ω
G22
H22
G20
J22
F21
F20
G21
H20
D18
E19
D19
C20
D20
E18
U2
U9
GND_20
GND_21
SCLK2
SIO2
SRST2
SCLK
SIO
SRST
RESETB
PWRKEY
VREF
AVSS43_VRF
PMU_TESTMODE
VCDT
CHRLDO
330p
C125
1K
R108
2
1
1u
C126
END_KEY
SIM2_CLK
SIM2_RST
SIM2_DATA
SIM_CLK
RST_N
SIM_DATA
SIM_RST
Close to IC
TP2 1K Ω
TP1 (U101)