DOWNLOAD JBL FLIP 3 (serv.man2) Service Manual ↓ Size: 1.94 MB | Pages: 31 in PDF or view online for FREE

Model
FLIP 3 (serv.man2)
Pages
31
Size
1.94 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
flip-3-sm2.pdf
Date
PREV: JBL FLIP 3 Service Manual

JBL FLIP 3 (serv.man2) Service Manual ▷ View online

    
  Trouble shooting Chart 
AUX in does not work 
AUX in does not 
work 
Go 
No 
Fix the connector 
Yes 
Replace Q12 in main board 
No 
Yes 
Check the voltage, clock and data of 
U7 and in main board
 
Replace U10 
No 
Yes 
Check the connector between Aux-In board 
and main board whether normal or not 
Check voltage at U9 PIN3 and pin5 :REF in 
main Board whether normal or not 
Check the input signal of U10 in the 
main board whether normal or not
 
Check voltage at U9 PIN8:12V in main 
Board whether normal or not 
Check the power supply and Replace 
U4 L8,D34 in main board 
Yes
No 
5-3
    
  Trouble shooting Chart 
BT does not work 
BT does not work 
Go 
No 
Check  U1  5PIN  3.3V 
whether normal or not
 
No 
Yes 
Check theD4 C36 whether 
normal or not 
Check 3.3V of U5 voltage on main Board 
whether normal or not 
Check the Rest of U5 whether normal or 
not 
Yes 
Check the    clock and data of U5 
Check the C43 C44 C45 C46 on main 
board 
whether normal 
or not 
No 
Replace U5
 
Yes 
No 
Replace 
C43 C44 C45 C46 
Yes 
Yes 
Check voltage at U8PIN8:12V in main 
Board whether normal or not 
Check the power supply and 
Replace U4 L8,D34 in main board 
No 
Check voltage at U8 PIN3 and pin5 :REF in 
main Board whether normal or not 
Replace Q12 in main board 
Yes 
No 
Check the input signal of U10 in the main 
board whether normal or not
 
Yes 
Replace U10 
No 
Check the voltage, clock and data of U7 
and in main board 
Yes 
5-4
Set Block Diagram
BT 
Antenna
4ohm x2
Aux_in
TI 
Class D 
TPA3130
BT Module(BM880)
Power key and 
Power Led
JBL Link LED
BT led
Mic1
OP 
BA4510
8W x2
Audio 
detect
Audio
switch
10V 
5V
USB upgrade
D+/D-
I2C
Charge 
status
Battery
detect
BT Module(BM880)
CSR8670
(BT and MCU) 
Power key and 
other keys
BT led
V+/V- key
Battery 
LEDs
Micro USB 
1.6A/0.5A/
1A
Battery
Charger
MP2637
Input 
Voltage 
Detect
On/off 
switch
On/Off 
switch
3.7V 
3000mAH
Boost 
MPS 
MP9428
LDO
SD35
3.3V
Control
chargingg 
Audio Signal:
Power Signal:
Control Signal:
On/off 
switch
10V for  Amp /lm13700
16  bit I2C  
I/O 
Expander
6
Key Board Circuit Diagram:
7-1
AGND
BT_Key
V-
V+
phone
AGND
BT_rsset_in_1
AGND
10V
C154
1UF
100k
R167
100k
R168
100k
R169
NC
R191
NC
R192
NC
R195
NC
R196
1
2
3
4
5
6
J100
0.5S-CX-6PWB
TP50
TP51
TP52
TP53
TP54
TP55
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