Replacement Of Control Circuit Board - Samsung GE89M-S Service Manual

3. Disassembly and Reassembly

3-5 Replacement of Control Circuit Board

Parts
Removal of
Control Box
Assembly
ASSY CONTROL-BOX
Removal of
ASSY PCB ASSY PCB
Ass'y P .C .B
Assembly
and Assy
Key Module
ASSY ASSY
KEY MODULE KEY MODULE
TAIL TAIL
Explaination Photo
CONTROL-BOX SCREWS
ASSY PCB
SCREW SCREW
1. Be sure to ground any static electric
charge in your body and never touch
the control circuit .
. Disconnect the connectors from the
control circuit board .
3. Remove screws securing the control
box assembly .
4. Remove the screw securing the
ground tail of the keyboard .
1. Remove 2 screws securing the Assy
PCB
. Remove Assy Key Module Tail from
the Assy PCB .
3. Lift up the Assy PCB from the Ass'y
control box .
4. Remove 6 screws securing the Key
Module PCB
KEY KEY SCREW SCREW
MODULE MODULE
PCB PCB
5. Lift up the Key Module PCB from the
Ass'y control box .
14
Explaination