JBL SPARK (serv.man2) Service Manual ▷ View online
Service Manual
SPARK
Wireless transportable Bluetooth stereo speaker in translucent red, blue, yellow.
Released EU2013
Released EU2013
Harman International
Rev 0, 09/2013
8500 Balboa Boulevard
TROUBLESHOOTING CHARTS
2
BLOCK DIAGRAM
4
SCHEMATIC DIAGRAMS
5
PRINT LAYOUTS
8
EXPLODED VIEW AND PARTS
11
PARTS LIST
12
CONTENTS
4-1 Trouble shooting Chart
Can not power on
Can not power on
Go
NO
Yes
Measure the voltage of FB14, 3.3V is
normal.
No
Yes
Yes
Yes
Try to reload BT software
No
LED is broken
Check the output of the
adaptor, 13V is normal.
adaptor, 13V is normal.
Check XP12 whether 13V is normal or not
Check PIN8 of U7, 3.3V is normal
Check the voltage of FB15, 13V is normal.
Replace the adaptor
NO
Mainly check the U2
No
BT module is broken
No
Check Q2 and Q5
4-2 Trouble shooting Chart
No Sound
No Sound
Go
Yes
Measure the pin20/21/22(IIS) of U16
to
check the IIS signals whether exist or not
NO
BT module is broken
No
Yes
Check the voltage of PIN19 of U16,
H level is normal
Check the voltage of FB19, 13V is normal.
Check in step with “ Can not power on”
No
No
N
N
NO
Yes
Check signals of L2/L3/L4/L5
PWM is normal
No
U16 is broken
ＪＢＬ Sｐａｒｋ
Block Diagram
AUX IN
LED
KEY
ANT
BCLK
DATA
LRCLK
AMP TAS5707
2X7W@THD=1%
8 h
BM153
DATA
IIC
8ohm
13V/1 7A
MCU_3V3
ADAPTER
AS5422
13V/1.7A
SWITCH
3V3
3V3
13V/1 0A
SWITCH
13V/1.0A
5-1
5-1
