Brother International PT-9600 Service Manual - Page 39

Removing the KB Unit/Rubber Key Unit

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[ 4 ] Removing the KB Unit/Rubber Key Unit (1) Release the front hooks in four places and then release the hooks of both left and right sides while lifting the front portion of the KB unit. (2) Disconnect the jog PCB ASSY harness from the connector on the main PCB while lifting the KB unit or rubber key unit (PT-9600/PT-3600 EU only). (3) Unlock the FPC cable connector on the main PCB and disconnect the FPC cable. (4) Turn the KB unit or rubber key unit over and remove a screw to detach the FG wire "A" and the KB unit or rubber key unit (PT-9600/PT-3600 U.S.A./CANADA only). (5) Pull the FPC cable out of the ferrite core (PT-9600/PT-3600 EU only). (6) Remove the KB unit or rubber key unit. KB unit Jog PCB ASSY harness (PT-9600/PT-3600 EU only) Hooks FPC cable Bottom cover FG wire "A" (PT-9600/PT-3600 U.S.A./CANADA only) Screw FG wire "A" (PT-9600/PT-3600 U.S.A./CANADA only) KB unit FPC cable Ferrite core (PT-9600/PT-3600 EU only) Main PCB Fig. 3.1-6 Removing the KB Unit/Rubber Key Unit III-5

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III-5
[ 4 ]
Removing the KB Unit/Rubber Key Unit
(1)
Release the front hooks in four places and then release the hooks of both left and right sides
while lifting the front portion of the KB unit.
(2)
Disconnect the jog PCB ASSY harness from the connector on the main PCB while lifting the
KB unit or rubber key unit (PT-9600/PT-3600 EU only).
(3)
Unlock the FPC cable connector on the main PCB and disconnect the FPC cable.
(4)
Turn the KB unit or rubber key unit over and remove a screw to detach the FG wire “A” and
the KB unit or rubber key unit (PT-9600/PT-3600 U.S.A./CANADA only).
(5)
Pull the FPC cable out of the ferrite core (PT-9600/PT-3600 EU only).
(6)
Remove the KB unit or rubber key unit.
Fig. 3.1-6
Removing the KB Unit/Rubber Key Unit
FG wire “A”
(PT-9600/PT-3600
U.S.A./CANADA only)
FG wire “A”
(PT-9600/PT-3600
U.S.A./CANADA only)
Screw
Jog PCB ASSY harness
(PT-9600/PT-3600 EU only)
Hooks
FPC cable
Bottom cover
KB unit
Ferrite core
(PT-9600/PT-3600 EU only)
Main PCB
FPC cable
KB unit