JBL CHARGE 5 Service Manual page 21

Circuit Diagram-Main Board
Bat_Voltage
Q1 LT1527SI
BAT_3V7
S D
C2
0.1uF/16V/X7R
R3 100K
R5
10K
R6 47K Q3
5 POWER_ON
3DG3904M
R7
100K
L1 1.5uH/2.5A
VDD_SYS
C525 C337 C335
10UF/6.3V/X5R 10UF/6.3V/X5R NC
U26
R819 100
1 5
VDD_SYS
LX
3 R749 10 2
IN
2 C13 6
SYS_3V5 R750
EN
D13 BAT54C 1uF/10V/X5R
R824
SY7069ADC
4.7K
R771
10K
C14
NC
100K
U34 WL2808E33-5/TR
1 5
SYS_3V5 VIN VOUT
2
GND
3 4
EN NC
C393
C500
1uF/10V/X5R
NC
D14 D15
USB_OVP_5V
1N4148WS 1N4148WS
U33
WL2815D33
D16
4
BAT_3V7
VIN VOUT
MBRX140/40V/1A
3
C390
EN GND
1uF/10V/X5R
U40
1 5
SYS_3V5 VIN OUT
C519
3 4
EN BP/FB
C521 13-0SD152-SQ7
NC
D17
MBRX140/40V/1A
Q2 LT1527SI
VDD_SYS
D S
USB_OVP_5V
R4
4.7K
4
SYS_3V5
VOUT
1
C527 R8
FB
3
NC C333 C336 C526
GND
91K /1% NC
R11
47K/1%
DAC_3V3
DAC_3V3
C391
1uF/10V/X5R
LOG_3V3
1
LOG_3V3
C388
2
1uF/10V/X5R
Imax=500mA
VCC_BT
R804
C523
300K
R803
91K /1%
Q18 LT1527SI
D2 SOD4007 1A 1000V
USB_OVP_5V
S D
C515 0.1uF/16V/X7R
R792 100K
R793
10K
R794 47K Q20
5 POWER_ON
3DG3904M
R791
100K
USB_OVP_5V USB_OVP_5V Bat_Voltage
R739
R797 R1
4.7K 4.7K
24K/1%
DC_DET_BT DC_DET
R767
R798 C516 R2 C1
7.5K 0.01uF/50V/X7R 7.5K 0.01uF/50V/X7R
10K/1%
U35
1 5
SYS_3V5 VIN VOUT
2
GND
3 4 C394
EN NC
C396
1uF/10V/X5R
WL2808E33-5/TR
1uF/10V/X5R
U48
1 5
USB_OVP_5V
VIN VOUT
2
GND
3 4
C517
EN NC
C518
1uF/10V/X5R
WL2808E33-5/TR
1uF/10V/X5R
VDD_SYS
BAT_DET
C212
0.01uF/50V/X7R
SYS_3V3
VCC_3V3