JBL CHARGE 5 Service Manual page 22

Circuit Diagram-Main Board
BAT_3V7
+
R37
BOOST_EN
BAT_3V7
+
C218 R334 2.2
2200pF/50V/X7R
L2 1.5uH/16A
C315 100nF/25V/X5R
C311 C310 C40 C318
C195
0.1uF/16V/X7R
12
VIN VOUT
1K PW_EN 11
EN
10
MODE FB
C316
R40
2
R42 NC/47K
VDD COMP
100K
3
SS
SS ILIM
C314 C308
R45
NC/47K
C219 R337 2.2
2200pF/50V/X7R
L3 1.5uH/16A
C58 100nF/25V/X5R
C59 C60 C63 C62
C211
0.1uF/16V/X7R
12
VIN VOUT
PW_EN 11
EN
10
MODE FB
R51 NC/47K 2
VDD COMP
SS 3
SS ILIM
R333
C69 C70
NC/47K
4700pF/50V/X7R
C528 C317 C309 C41 C312
R332
750K /1%
U23
MP3431GL
R35
8 0/1%
5 Boost_FB DC_BIAS
R38 56K/1% R39 12K/1%
4
COMP R43
C319
9
R336 1K/1%
180K/1%
R50 R331
R69+R707=182K
C57
4700pF/50V/X7R
R48 10K/1%
18K/1%
8.2K/1%
U8
MP3431GL
8
C529 C66 C65 C64 C67 C68
5 Boost_FB
4 COMP
9 R335 1K/1%
C71
C72
R338
18K/1%
AMP_PVCC
CE3
C313
+
FB13
1
AMP_PVCC
FB14 1
DC_BIAS
AMP_PVCC
AMP_PVCC
+PVCC
U6
300 /3A
2 1 8
+PVCC
S1 D1
2 7
S3 D2
2 300 /3A 3 6
S2 D3
4 5
G1 D4
R36 C49
C50
ME4435
100K
R339
1K
BOOST_EN
Q5
R340 10K
BOOST_EN
3DG3904M
R49 C508
NC/0.1uF/16V/X7R
100K