AR-FX7 ELECTRICAL SECTION 11 - 2
B. TEL/LIU PWB block diagram
FG
Relay
Moduler
Connector
Surge /
Filter Circuit
Moduler
Connector
to the External
Telephone
HOOK /
Polarity
Detector
Circuit
DAA Circuit
(TNV Side)
CI Ditector
Circuit
DAA Circuit
(Secondary
Side)
MODEM
FAX Control
Program ROM
FAX Control
CPU Circuit
Copier
Power
Supply
Printer
I/F
Unit
24Vdc
5Vdc
3.3Vdc
230Vac