Brother FAX-8650P - Manual (Page 30)

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3.2 Main PCB
The main PCB, which is the nucleus controlling the entire operation of the equipment, consists of a
FAX engine (ASIC), memories, MODEM, motor drive circuitry, sensor detection circuitry, and
analog circuits for scanning, printing, and power transmission shifting.
EEPROM:Electrically Erasable Programmable Read-only Memory
DRAM:
Dynamic Random Access Memory
Block Diagram of Main PCB
(Provided on the FAX-8650P)
(Provided on the FAX3750/
MFC7750)