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SB 100 - JBL Audio Service Manual (repair manual). Page 21

Read JBL SB 100 Service Manual online

5-3                             Trouble shooting Chart 
Remote control does not work 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Remote control 
does not work 
Go 
No 
Replace the battery for remote 
control  
Yes 
Check the +3.3V net on IR Board to 
Main Board XP062
 
No 
Yes 
Replace IR1
 
Check battery of remote control whether 
exhausted or not.
 
 
Check power supply of IR1 on IR Board 
whether normal or not   
XS4 Pin5 :+3.3V   
JBL
SB 100 Service Manual
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