Read JBL SB 350 (serv.man4) Service Manual online
1 of 3
SUB Schematic
SB-350
Zhang sz
Andy Tang
MP1
1
3
2
Q100
MMBT3904
MMBT3904
4
1
3
7
5
6
2
8
U100
AP4435GM
STANDBY
R100
10K
R101
10K
R103
10K
R104
10K
10K
AMP POWER SUPPLY
C101
100NF
C102
100NF
100NF
C107
100NF
100NF
TP100
TP101
POWER SUPPLY: 19V 3A share
1
2
3
4
2
3
4
CON100
CON 4 POL PITCH 3.96MM
1
2
3
4
0.7mH@10KHz
L100
LCL-T14-2051
+19V
PVDD
+
25V
C100
470UF
470UF
+19V
GND
STANDBY
STANDBY
( Page 2)
BOOT
1
VIN
2
EN
3
SS
4
VSENSE
5
COMP
6
GND
7
PH
8
P
o
w
e
rP
A
D
9
U102
TPS54231DDA
C122
22NF
22NF
1%
R112
10.0K
10.0K
1%
R116
3.24 K
C118
1800PF
1.5A
R108
220
1%
R110
383
1
2
L102
15UH
L1
0
0
3
M
P
P
Z2
0
0
1
2
S
3
3
1
A
+19V
D101
SS24T3G
SS24T3G
+5V
+
10V
C111
100UF
+
10V
C112
100UF
R109
0
TP106
TP105
C115 47PF
C121
100NF
50V
C110
100NF
100NF
R113
21K
C114
100NF
TP107
C116
4.7UF
C117
4.7UF
+
25V
C120
100UF
+
25V
C119
10UF
10UF
16V
C113
10UF
C123
NM
NM
C109
390PF
R115
NM
R111
332K
1%
R114
47K
+5V
+3.3V_STB
L101
MPZ2012S331A
C105
10UF
C108
NC
(335mA)
D100
0 OHM 0805
TP102
G
N
D
/A
D
J
1
VOUT
2
VIN
3
VOUT
4
U101
NC
MCU POWER SUPPLY
C103
100NF
100NF
C104
100NF
100NF
C106
100NF
100NF
1%
R102
NC
R105
NC
TP103
TP
1
0
4
R107
NC
2014-04-21
2014-04-21
2014-04-21
2014-04-5
2014-04-28
2014-04-28
2014-04-28
2014-04-28
2014-05-22
2014-05-22
David
2014-05-22
VER.
Q'ty
SHEET:
DRAWING NO:
APPROVED
CHECKED
DRAWN
DESIGNED
MODEL NO:
MA TERIAL
DIM. IN
mm
SCALE
SIZE
DESCRIP TION:
Click on the first or last page to see other SB 350 (serv.man4) service manuals if exist.