III –
34
3.4
Control Panel PCB
The control panel PCB and the main PCB communicate with each other by serially transmit-
ting commands and data.
The control panel unit consists of a gate array and LCD, 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
FAX
Engine
Backup
Circuit
+5V
Reset
Circuit
+5V
POWER
I/O Ports
Serial
Communications
Ports
RESET
Panel FPC
(Key Matrix)
LCD
Main PCB
Control Panel PCB
SDIN
SDOUT
PCLK
Gate Array
Содержание FAX-270MC
Страница 4: ...CHAPTER I GENERAL DESCRIPTION ...
Страница 11: ...CHAPTER II INSTALLATION ...
Страница 12: ...CHAPTER III THEORY OF OPERATION ...
Страница 49: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...
Страница 86: ...IV 36 4 Cutter unit Cutter unit A A A A ...
Страница 87: ...CHAPTER V MAINTENANCE MODE ...
Страница 140: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...
Страница 157: ...March 98 5X1S112 Printed in Japan ...
Страница 173: ...D POWER SUPPLY 100 120 V U S A CANADA ...
Страница 174: ...POWER SUPPLY 200 240 V EUROPE SOUTH AMERICA D ...
Страница 175: ...POWER SUPPLY 200 240 V GULF ASIA CHINA D ...
Страница 192: ...D POWER SUPPLY 100 120 V U S A CANADA ...
Страница 193: ...POWER SUPPLY 200 240 V EUROPE SOUTH AMERICA D ...
Страница 194: ...POWER SUPPLY 200 240 V GULF ASIA CHINA D ...
Страница 195: ...FACSIMILE EQUIPMENT PARTS REFERENCE LIST MODEL FAX170 190 190 Plus 195 ...
Страница 198: ......
Страница 203: ......
Страница 206: ...Remarks 8 8 8 8 8 8 9 9 8 8 8 8 8 8 0 1 0 1 Brother Technical Information FAX98250 4 ...
Страница 208: ... 8 01 8 01 8 8 8 8 0 1 0 1 8 8 8 8 Brother Technical Information FAX99102 6 ...
Страница 220: ......