JBL JBLLINKPORBLKAM Service Manual page 16

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1
USB+5V
5 1
IN OUT
R250
2
GND
10k/NC
4 3
EN FLAG
G517G1TO1U/NC
U16
D
R249
10k/NC
WIFI_3.3V
CHARGE_STATUS
I2C1_SCL
I2C1_SDA
CHG_INT
CHARGE_EN
RST_CHG
Charging current limit:
PSEL=H: 500mA
C WIFI_3.3V
PSEL=L: 2.4A
ADAPTOR_DET
1K R124
LMV331
B
R23 1R
L7
1.5uH/15A
VBAT
BOOST_EN
1k
R30
1
2
C90
0.47u25V
MODE H:PWM
A
MODE L:PSM
V5
V4
V3
V2
V1
ISS CHANGE RECORDS DATE
REVISER
1
2
U22
1 20
VAC SW2
24 19
VBUS SW1
C201
23 21
PMID BTST
10u10V
10
NC2
8
3 NC1
PG
4 16
BQ25601
STAT SYS2
15
SYS1
5
SCL
14
BAT2
6
SDA 13
BAT1
7
INT 22
REGN
9
CE
12
QON
11
TS
2
PSEL
USB+5V
1k
R25
12
11
CEC_ON
R27
20R
10
9
R171 100k
POWER_ON
R172 USB_D+ R8 0R
NC
8
USB_D-
SLG4V42809
C82
C162
R155 D_OUT
104
2.2nF
10R
U6
VIN VOUT
8
12
EN
11
MODE
10
FB
MP3431
5
VDD COMP
2
4
C98
1k
SS ILIN
3
9 R70
6.8nF
R73
30k
13.22V
MP3431
_________________
R72=
Vref=1
3.45*[Iin-(1.2-Vin*0.12)]
Vout=Vref(R2/R1+1)
2
3
P6
7
Q11
6
PB521BX
8 5
2
1
4
VBAT
R11 100k
103
C6
POWER_ON
Q10
R13
10k
3
NTC
DC_DETECT
1
FB120
R29
1
VDD
GPIO
100k
1k
R120
2
GPIO GPI
R119 27k1%
3
GPIO GPIO
U2
R117 1k
4
GPIO GPIO
5 R231
GND GPIO
C167
C168
R24 1k
102 102
100R1% 39.2k1%
R7 R122
WIFI_3.3V
0.6693V
R140
R142
0R 10K 1%
P4
C173 NC
DC_BIAS
1
1u25V
2
C161
100k
R79
R190
180k1%
Q2
2N3904
R102 10k
AMP_CONTROL
12.675A
980
-1
3
4
1N4001
D2
L9 1uH/5A
1N4001
D17
SS34
D14
SW1 SW2
7
10
4
6
VIN VOUT
5
8 11
10k
R19
2
MP28164
EN FB
1
1
R143
MODE VCC
2
0R
PG
U13
MP28164
Vref=0.5
Vout=Vref(R2/R1+1)
FB2
VBAT
4
FB600
2
J4
FB7
FB10
+3.7V
FB600
POWER_KEY
DC_BIAS
POWER_ON_OFF
4.7k
WIFI_3.3V
POWER_OFF_READY
FB8
+3.7V
FB600
Q6
PB521BX
+13V
7
6
8 5
2
1
4
M2
1
MARK(SMT)33
1 M3
MARK(SMT)33
Link portable power
TITLE:Schematic
Part NO:NA
3NOD DIGITAL TECHNOLOGY CO.,LTD.
4
5
P9
FB11 NC
8
RGB_3.7V
S
D
7
R81
Q7 P5102
6
0R
R38
4
100k
3
Q1
RGB_EN
10k
R76 2N3904
P8
U7
5
1
VIN VOUT
2
GND
3 4
BP/FB
EN
10k
R21
SD6211
P7
U14
1 5
VIN VOUT
2
GND
3
4
100K BP/FB
EN
R220
SD6211
P5
U8
DAC_3.3V
1 5
VIN VOUT
DAC_EN
2
GND
3 4
BP/FB
EN
SD6211
M6
M4 1
1
MARK(SMT)33
MARK(SMT)33
1 M5 1 M7
MARK(SMT)33 MARK(SMT)33
MODEL:Link portable
SCALE: FREE
REV: V0.3 SHEET: 3/6
APPROVAL CHECKED
YMJ
2019.03.23
5
D
C
WIFI_3.3V
B
A
DESIGN
Sam.tang