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Only for training and service purposes
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4. TROUBLE SHOOTING
5.Trouble Shooting
(RF)
4.9.2.2 WIFI/BT/FM Radio Main Clock Part
Test Point Description
Test
Point
Net Name
Description
TP1
CLK_REG
On/Off Control external clock source
0 : TCXO off
1 : TCXO on
TP2
CLK_IN
TCXO output clock : 26 MHz
TP2
TP1
121P
1n
C622
1u
C601
VDD_TCXO
2.2uF
C619
+VPWR
C600
1u
VDD_TCXO
R605
100K
26MHz
X600
TG-5010LH-87N
4
2
3
1
NC
OUT
GND
VCC
U601
5
3
2
4
1
VOUT
VDD
GND
CE
D
N
G
P
CLK_REQ
CLK_IN
LDO for TCXO
26MHz TCXO
TP1
TP2