DOWNLOAD JBL SB 200 (serv.man7) Service Manual ↓ Size: 4.81 MB | Pages: 47 in PDF or view online for FREE

Model
SB 200 (serv.man7)
Pages
47
Size
4.81 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
sb-200-sm7.pdf
Date
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JBL SB 200 (serv.man7) Service Manual ▷ View online

5-6                                                        Trouble shooting Chart 
AUX in does not work 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
AUX  in does not 
work 
Go 
No 
Check the power supply
 
 
Yes 
Check AUX IN connector   
No 
Yes 
Check the voltage, clock and 
data of U101 and U714
 
Replace U12 and U13 
No 
Yes 
Check  voltage  at U12 and U 13  PIN7:3.3V 
on Main Board whether normal or not 
 
Check  Main  Board  U12  and  U13  Pin1, 
signal input whether right or not 
 
Check  the i nput  signal  of  U714 
whether normal 
or not
 
Check the Aux connector 
whether normal or 
not
 
Fix the connector 
Yes
No 
JBL
SB 200 Service Manual
Page 29 of 47
5-7                                                        Trouble shooting Chart 
Optical in does not work 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
Optical  in  does 
not work 
Go 
No 
Check XS3 to main board
 
whether normal or not
 
Yes 
Check power supply 
No 
Yes 
Check the optical connector 
Fix XS3 
Check XS3 on CN Board 
PIN1：3.3V whether normal or not 
Check  the inp ut  signal of U714  whether 
normal 
or not
 
 
Check the voltage, clock and data of 
U101 and U714
 
 
JBL
SB 200 Service Manual
Page 30 of 47
6%%ORFN'LDJUDP
17V
DC Out
STB_3.3V
Power
Board
DC
DC
EUP3482A
220V~
AC IN
MOS
ON/OFF
17V
AMP
LDO
MOS
ON/OFF
LDO
LDO
3.3V
5V
MCU
STM32F100CB
128K
Byte/48pin
XTAL
8MHz
IR
KEY
1xADC
1xGPIO
LED
10xGPIO
DSP
CS48L11
CEDEC
CS42528
I2S
BUSY
INT
Hex
inverter
12.288MHz
MCLK
AUX
IN
SPDIF
IN
L
R
OP
OP
Audio
DET
Audio
DET
MCLK
SPI
SPDIF
RST
AMP
TPA3116
4
ɏ 3.5’WF
30WX2 
4
ɏ 1”TW
Audio
Signal
Power
AMP
TPA3116
Bluetooth
BTM153
I2S
UART
RST
I2C
4
ɏ 1”TW
4
ɏ 3.5’WF
6-1
6-1
JBL
SB 200 Service Manual
Page 31 of 47
A
A
B
B
C
C
D
D
E
E
1
1
2
2
3
3
4
4
OPT_IN
OPT_IN
AUX_L
EQ_SEL
AUX_L
AUX_R
EQ_SEL
AUX_R
STBY_3V3
STBY_3V3
ESD1
NC
ESD1
NC
2
1
XS3
7PIN/2.0mm/220mm
XS3
7PIN/2.0mm/220mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
C25
1000pF/
50V/
X7R
C25
1000pF/
50V/
X7R
L201
FB80@100MHz
L201
FB80@100MHz
R784
10
R784
10
XP15
2PIN/2.0mm
XP15
2PIN/2.0mm
1
1
2
2
R36
47K
R36
47K
C812
0.1uF/50V/Y5V
C812
0.1uF/50V/Y5V
C920
10uF/10V/Y5V
C920
10uF/10V/Y5V
P3
DQR-017A
P3
DQR-017A
G
2
VCC
3
Vout
1
C500
100pF/50V/NP0
C500
100pF/50V/NP0
CON1
9PIN/H-CKX-3.5-12
CON1
9PIN/H-CKX-3.5-12
GND
1
SIN
2
SGND
3
GND
4
GND
5
DET
6
GND
7
GND
8
GND
9
C
26
1000pF/
50V/
X7R
C
26
1000pF/
50V/
X7R
R35
100
R35
100
R37
47K
R37
47K
ESD2
NC
ESD2
NC
2
1
L202
FB80@100MHz
L202
FB80@100MHz
R34
100
R34
100
CN Board Circuit Diagram for SB200:AUX
7-1
7-1
JBL
SB 200 Service Manual
Page 32 of 47
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