DOWNLOAD JBL CHARGE 2 (serv.man2) Service Manual ↓ Size: 2.17 MB | Pages: 32 in PDF or view online for FREE

Model
CHARGE 2 (serv.man2)
Pages
32
Size
2.17 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
charge-2-sm2.pdf
Date

JBL CHARGE 2 (serv.man2) Service Manual ▷ View online

5-1                             Trouble shooting Chart 
Keys do not work 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Led lights do not work but the keys work well 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Some keys do 
not work 
Go 
Yes 
Connect well
 
No 
Yes 
Replace the key board or cable
 
Check 15pin FFC cable of connect key board 
to main board is connect well
 
Change another key board for
 
Check the 
main board ok or not. And you can also 
replace the 15pin FFC cable for comparison.
 
Replace main board
 
No 
Some led lights 
do not work 
Go 
The led light maximum possible was damaged,
 
Change led light for comparison, otherwise 
replace another key board. 
Page 10 of 32
5-2                             Trouble shooting Chart 
 
USB port for external devices cannot be charged 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
USB port for external devices 
cannot be charged 
Go 
No 
Yes 
Yes 
No 
Repair U4
 
Check 15pin FFC cable connect OK or not 
Check the U4 (LM3481) of CN 
board is work well or abnormal
Check the U2 (TPS2546) of CN 
board is work well or abnormal
Connect well
 
Replace CN board or main board for 
comparison. 
Repair U2
 
No 
Yes 
Page 11 of 32
5-3                             Trouble shooting Chart 
 
Battery cannot charge 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
                                                                                                 
No
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Battery cannot charge
Go 
Check the battery is ok or not 
 
Yes 
No 
Yes 
Replace main board 
Replace battery for comparison. 
Check the impedance of Battery detection 
foot is between 4KΩ to 28KΩ or not
 
Check the CN board to main board connector is 
normal. And replace the CN board for comparison. 
Connect well
Check the U1 (BQ2413) of main board 
is work well or abnormal 
Repair U1
 
No 
Page 12 of 32
5-4                             Trouble shooting Chart 
 
BT cannot work 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
BT cannot work 
Go 
Yes 
Connect BT ANT to main board
 
NO 
Repair U3 
No 
Go 
Enter into DUT connection mode, Check BT 
work normal or not 
Check the U3 (LDO_G9091) of main 
board is work well or abnormal
Check BT_3V3 is normal or not   
Replace U6 (BTM153) 
No 
Yes 
Replace main board
 
Page 13 of 32
Page of 32
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