Main Pcb; Block Diagram - Brother P-touch 65 Service Manual

3.2 MAIN PCB

3.2.1

Block Diagram

Figure 3.2-1 shows a block diagram of the main PCB. The main PCB consists of the
following:
(1) CPU (including a ROM and RAM)
(2) LCD controller
(3) Key contacts matrix and solder points (destination switching circuit)
(4) Power ON/OFF circuit
(5) Motor drive circuit
(6) Thermal head drive circuit
(7) Voltage detection circuit
(8) Oscillation circuit
(9) Power supply circuit
Figure 3.2-1 Main PCB Block Diagram
III - 2
* Provided for the European version.