JBL TiK Sub (serv.man5) Service Manual / Technical Bulletin ▷ View online
Service Bulletin
Service bulletin # JBL2002-003
June 2002
Harman International SNC - Harman Consumer International 2, route de Tours 72500 Château du Loir FRANCE
1
To:
All JBL Service Centers
Models:
TIKSUB
Subject:
No sound
In the event, you receive a TIKSUB with the complaint:
The unit will not come out of mute after the unit has automatically shut down.
Or stop playing after some time.
The unit will not come out of mute after the unit has automatically shut down.
Or stop playing after some time.
The fix for this is to change R43 located on the main power board to 20K 1/3W res.
In addition, check/change value of C29 and C31.
In addition, check/change value of C29 and C31.
1. Remove the amplifier from the cabinet.
2. Remove the connector plug coming from the front plate ( PANEL ).
2. Remove the connector plug coming from the front plate ( PANEL ).
Do not try to remove the speaker cable or the main board.
3. Place the amplifier so the main board is accessible
4. Change R43 resistor to a 20K-ohm resistor instead.
5. Please check and make sure that
4. Change R43 resistor to a 20K-ohm resistor instead.
5. Please check and make sure that
C29, C31 are 680pF caps placed on 02 PCB
Some unit has 470pF caps and this can cause over heating, change the caps to 680pF.
6. Put the unit together again and test the unit.
Note! When putting the units back to the original packing case do not put the grille on the unit,
Instead, place it on top of the packing foam to avoid damage to the cabinet and grille under transport.
Instead, place it on top of the packing foam to avoid damage to the cabinet and grille under transport.
Model
Serial number
Status
Action
TIKSUB
All
Stop playing after some time
Change C29 and C31 to 680pF
TIKSUB
All
No sound, will not start playing after auto mute
Change resistor R43 to 20K
R43
Display
