Brother P-Touch PT-2730, Service Manual

Page: 63 / 105

III - 43
CAUTION: When handling the PCBs, put on the grounding wrist band. Failure to do
so might break LSIs and other electronic devices.
(2) Solder the two DC motor leads and the two cutter motor leads to the main PCB
ASSY.
(3) Hang the full cutter sensor leads on the hook “a”, and connect the full cutter sensor
connector to the main PCB ASSY
(4) Connect the head ASSY FPC and the photo interrupter connector to the main PCB
ASSY.
(5) Set the ferrite core of the power PCB ASSY to the section “A”.
NOTE: Pass the leads wound on the ferrite core through the inside of the hook “b”,
and do not pass the power PCB ASSY leads wound on the ferrite core
through the upper side of the ferrite core.
NOTE: When wiring, pass the lead wires through the guide as shown the below figure.
Figure 3.1-51 Soldering the Leads, and Connecting the FPC and the Connector
Main PCB ASSY
Power PCB ASSY leads
Ferrite core
Main PCB ASSY
Main PCB ASSY
Head ASSY FPC
Photo interrupter connector
DC motor leads
DC motor leads
(Black)
(Red)
Cutter motor leads
Cutter motor leads
Full cutter sensor connector
(Black)
(Red)
Guide
"A"
Photo interrupter
connector
Hook "b"
Hook "a"