Brother FAX-921 User Manual
Page 33
III - 20
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, motor drive circuitry, sensor detection circuitry, and analog circuits
for scanning, recording, and power transmission shifting.
*Provided on the FAX870MC/FAX-930/FAX-931/MFC970MC.
EEPROM: Electrically Erasable Programmable Read-only Memory
DRAM:
Dynamic Random Access Memory
Block Diagram of Main PCB
This manual is related to the following products:
See also other documents in the category Brother Faxes:
- FAX-575 (114 pages)
- FAX-575 (1 page)
- FAX-T104 (1 page)
- FAX-T104 (119 pages)
- MFC-3340CN (71 pages)
- MFC-3340CN (231 pages)
- FAX-1940CN (231 pages)
- FAX-1940CN (18 pages)
- MFC-3340CN (44 pages)
- MFC-3340CN (173 pages)
- FAX 1920CN (17 pages)
- FAX 1920CN (214 pages)
- FAX 1920CN (103 pages)
- FAX 1920CN (66 pages)
- MFC8840D (36 pages)
- FAX-3800 (148 pages)
- 660MC (115 pages)
- IntelliFax-680 (76 pages)
- LF1613001 (1 page)
- FAX-3800 (1 page)
- FAX-3800 (26 pages)
- MFC7160C (275 pages)
- FAX-T86 (2 pages)
- FAX-236 (97 pages)
- 3240C (192 pages)
- Facsimile Equipment DCP7010 (327 pages)
- MFC4550 PLUS (206 pages)
- FAX-2840 (140 pages)
- FAX-2840 (72 pages)
- FAX-2840 (20 pages)
- FAX-2840 (86 pages)
- FAX-2840 (15 pages)
- FAX-717 (125 pages)
- FAX-236S (1 page)
- FAX-1030Plus (204 pages)
- FAX-60 (36 pages)
- FAX-920 (150 pages)
- FAX 4750 (183 pages)
- FAX 770 (165 pages)
- FAX-817 (130 pages)
- FAX-202 (99 pages)
- FAX-565 (1 page)
- FAX-565 (119 pages)
- FAX-565 (148 pages)
- MFC 4600 (136 pages)