Brother FAX-8650P service manual Main PCB

3.2Main 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.

(Provided on the FAX-8650P)

(Provided on the FAX3750/ MFC7750)

EEPROM:Electrically Erasable Programmable Read-only Memory

DRAM: Dynamic Random Access Memory

Block Diagram of Main PCB

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