3. TROUBLE SHOOTING
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Only for training and service purposes
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START
No
No
Check next step
Check TP1 +Vbatt OK?
Check TP2
0.5V≤TP2≤4.2V?
The Problem may be Other part
Check Logic part
Check DC-DC Power Block
Refer to 3.3
Yes
Yes
C1075
330p
VPA
U11007
EAN62765901
ACPM-9007-TR1
6
7
4
8
3
5
9
2
10
1
11
PGND
VCC1
VCC2
RFIN
RFOUT
VEN
NC
ISO
VMODE
GND
CPL
L1088
3.6n
C11077
330p
+VPWR_RF
R1039
49.9
C1084
100p
100p
C1085
C1163 1n
L1089
6.8n
C11078
4.7u
C1076
4.7u
R1041
330
R1042
20
PA0_R1
PA_ON2_L7
REV_A(04/26)
1_6/27
REV_A(04/22)
REV_A(04/22)
REV_1.0 (06/28)
TP2
TP1