3. TROUBLE SHOOTING
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START
No
Check next step
Yes
Check TP1 2.7V OK?
The Problem may be Other part
Check Logic part
The Problem may be Logic part
Refer to Logic trouble shoot
Replace FL1015
No
Not good
OK?
Check TP2 High Level
of each mode ?(1.4V≤TP2/TP3 ≤3.0V)
Yes
Check FL1015
Physical damage/Soldering
Problem
C1044
33p
C1205
33p
+2V7_VREG_L16
FL1015
3
9
7
5
6
1
4
10
8
2
GND1
PORT1-
PORT3-
PORT2-
PORT3+
CTL
PORT2+
PORT1+
VDD
GND2
C1204
33p
L1101
15n
L1101
27n
L1014
0.5p
L1100
27n
C1119
100p
C1036
33p
100p
C1120
PRX_SW_SEL0
PRX_B2_B3_INP
PRX_B2_B3_INM
PRX_B3_P
PRX_B2_INP
PRX_B2_INM
PRX_B3_M
REV_B(05/18)
PRX_B3_B4
LOW
HIGH
PRX_B2_G1900
REV_B Delete(05/18)
REV_B(05/18)
REV_1.0 (06/28)
TP2
TP1 (2.7V)