JBL Pulse 4, Service Manual, Page: 11 / 30

DUTP: -25+/-3¡æ.
DOTP: 65+/-3¡æ.
CUTP: -1+/-3¡æ.
BATTERY NTC
COTP: 46+/-3¡æ.
R18 R19
100K 20K 26dB
GAIN
STBY
AMP_SD SDZ 2#
ON
L H
H L
H L
L H
NO SOUND
SOUND
AMP_MUTE
MUTE 12#
EMC ADD
5.2V-14V for AMP
H=ON
IL=15A
EMC ADD
Ioff
Li-bat: <=15uA
VSYS: 3.5~4.75V
ILmax=2A
3.9~13.5V
ILMAX=3A
Male Connector
SPK+
SPK-
USB_5V
GND
VOUT/VREF=(R1+R2)/R2
VREF=1
20dB 5.6K NC
AMP PCB
C45
22u/10V
C47
104
C48
102
C54
104
C56
22u/10V
C57
22u/10V
C55
104
C58
22u/10V
C19
0.1uF
L3
1.5UH
C20
2.2u/10V
R15
NC
R13
10K
R14
100K
C29
4.7UF
C32
103
R9
15K
R11
47K 1%
R12
487K 1%
C30
0.1uF
C37
22U/25V
C43
22uF/25V
C42
0.1uF
C38
103
C22
0.1uF
C21
102P
R22
17.4K
R10
120K 1%
R25
10K
C44
103P
R28
10K
R27
100K
R26
100K
C40
103P
1
2
3
Q4
2N3904
R16
NC
C41
22uF/25V
R40
10R
C52
680P
1
S
2
S
3
S
4
G
5
D
6
D
7
D
8
D
Q3
BR4407
5
SCL
6
SDA
11
TS
12
QON
4
STAT
15
SYS1
2
D+
3
D-
14
BAT2
13
BAT1
1
VBUS
19
SW1
18
GND2
10
NC2
9
CE
22
REGN
17
GND1
16
SYS2
8
NC1
20
SW2
7
INT
21
BTST
23
PMID
24
VAC
25
PAD
U3
BQ25601D
C49
10u/16V
C53
473
C50
4.7u/10V
STAT
TP
R6 1R
C27 222
R36
10K
R41
270K1%
R38
9.1K 1%
C39
472
R33
10K
L4
1.5uH/10A
1
MODSEL
2
SDZ
3
FAULTZ
4
INPR
5
INNR
6
PLIMIT
7
GVDD
8
GAIN/SLV
9
GND
10
INPL
11
INNL
12
MUTE
13
AM2
14
AM1
15
AM0
16
SYNC
17
AVCC
18
PVCC
19
PVCC
20
BSNL
21
OUTNL
22
GND
23
OUTPL
24
BSPL
25
GND
26
BSNR
27
OUTNR
28
GND
29
OUTPR
30
BSPR
31
PVCC
32
PVCC
33
GND
U1
TPA3128D2
L1
6.8uH/9A
L2
6.8uH/9A
R1
3.3R
C6
103
C7
2.2uF/50V
C8
2.2uF/50V
R2
3.3R
C9
103
C3
NC
C4
NC
C13
224
C14
224
C12
224
C15
224
C25
104
C26
10U/25V
C24
104
C23
10U/25V
C35
105
R18
NC
R19
5.6K
C34 1u/16V
C33
1u/16V
C1
NC
R3
NC
C11
NC
R4
NC
C16
NC
CE1 470u/25V
1
2
3
Q1
2N3904
R17
100K
R8
100K
C31
104
1
3
5
7
9
11
13
15
17
19 20
18
16
14
12
10
8
6
4
2
CON4
Male Connector
1
SW
2
VDD
3
SS
4
COMP
5
FB
6
AGND
7
PGND
8
VOUT
9
ILIM
10
MODE
11
EN
12
VIN
13
BST
U2
MP3431
C28
474
R21
1K
C51
104
INT
TP
EN
TP
C2
103
C5
103
R5
10R
C18
330P
R39
10K
1
2
3
Q2
2N3904
R23
100K
R20
47K
R24
10K
R7
10
1
2
CON3
1
2
CON2
1 2
3 4
5 6
7 8
9 10
CON1
CON5X2B
P1
NC
P2
NC
C36
100P
5V
TP
G
TP
SPK+
TP
SPK-
TP
BAT-
TP
NTC2
TP
NTC1
TP
BAT+
TP
C46
152
CE2
100U/6.3V
R42
NC
R43
1K
R45
NC
R44
NC
R46
43K1%
C10
104
1
2 3
4
CM1
NC
R80
10
R30
NC
R31
NC
P5
NC
P6
NC
FB1
FB330
FB2
FB330
FB3
FB330
FB4
FB330
1 2
3 4
CN1
CON2X2
R29
NC
R32
NC
R34
NC
P3
NC
GND
VBAT_1
[1]
AMP_VCC
[1]
DC_BIAS
[1]
VBAT_1
[1]
POWER_STBY
[1]
SDA1
[1]
SCL1
[1]
NTC1_CHG
[1]
NTC2_TMP
[1]
3.3V
[1]
USB+5V_IN
[1]
AMP_VCC
[1]
AMP_SD
[1]
AMP_VCC
[1]
AMP_VCC
[1]
BOOST_EN
[1]
SDA1
[1]
POWER_STBY
[1]
DC_BIAS
[1]
LR_CH+
[1]
MUTE_PA
[1]
AMP_SD
[1]
USB+5V_IN
[1]
LR_CH+
[1]
VBAT_1
[1]
D+
[1]
3.3V
[1]
BOOST_EN
[1]
MODE
[1]
MODE [1]
CHG_INT
CHARGE_EN
NTC1_CHG
[1]
SCL1 [1]
NTC2_TMP
[1]
MOD
[1]
MUTE_PA
[1]
GVDD
[1]
GVDD
[1]
D-
[1]
D+
[1]
D-
[1]
LR_CH-
[1]
LR_CH-
[1]
MOD
[1]
GVDD
[1]
VBAT_1
[1]
3.3V
[1]