11 ] Removing The Cutter Sensor Assy, The Main Pcb Assy - Brother PT-1090 Service Manual

[ 11 ] Removing the Cutter Sensor ASSY, the Main PCB ASSY and the Cassette Sensor
PCB ASSY
CAUTION: When handling the PCBs, put on the grounding wrist band. Failure to do
(1) Remove the one screw, and remove the SW hold plate and the cutter sensor
ASSY from the upper cover.
(2) Unsolder the two cutter sensor ASSY leads from the main PCB ASSY.
(3) Remove the two screws from the main PCB ASSY.
NOTE: The main PCB ASSY consists of the main PCB, the key PCB and the LCD.
(4) Release the two hooks of the upper cover, and remove the key PCB and the main PCB.
(5) Release the locking pawl of the upper cover, and slide the LCD to the direction of
the arrow 5a.
NOTE: Do not pull the LCD flat cable
Screws
Locking pawl
Upper cover
Figure 3.1-15 Removing the Cutter Sensor ASSY, the Main PCB ASSY and the Cassette Sensor PCB ASSY
so might break LSIs and other electronic devices.
Main PCB ASSY
5a
Key PCB
Soldering the cutter sensor leads
LCD
III - 15
Red
Black
Cutter sensor leads
Hooks
Screw
SW hold plate
Cutter sensor ASSY