Brother FAX-921 User Manual
Page 37
III - 24
3.4
Control Panel PCB
The control panel PCB and the main PCB communicate with each other by serially transmitting
commands and data.
The control panel unit consists of a gate array, an LCD and LEDs, which are controlled by the gate
array according to commands issued from the FAX engine on the main PCB.
The calendar clock is backed up by the backup circuit on the main PCB.
The panel FPC is a flexible keyboard PCB which integrates the key matrix having rubber keytops.
Control Panel PCB and its Related Circuit
This manual is related to the following products:
See also other documents in the category Brother Faxes:
- FAX-575 (1 page)
- FAX-575 (114 pages)
- FAX-T104 (1 page)
- FAX-T104 (119 pages)
- FAX-1940CN (231 pages)
- FAX-1940CN (18 pages)
- MFC-3340CN (44 pages)
- MFC-3340CN (173 pages)
- MFC-3340CN (71 pages)
- MFC-3340CN (231 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 (119 pages)
- FAX-565 (148 pages)
- FAX-565 (1 page)
- MFC 4600 (136 pages)