Fax Control Pwb (D-Copia164Mf Only) - Olivetti d-Copia 163MF Service Manual

2-3-4

Fax control PWB (d-Copia164MF only)

SYSDATA0 - 7
ID_CS3
Main
PWB
SYSADR0 - 3
SYS_RD
SYS_WR
FAX_CS2
FAXINT
/RESET
FAX_RING_DET
+12 V DC
5 V DC
VCC33
SPKR
PHONE_LINE
2-3-10
ID setup
circuit
Fax
modem
module
FAX_GND
Figure 2-3-8 Fax control PWB block diagram
30
Figure 2-3-9 Fax control PWB silk-screen diagram
Service Manual
Fax control PWB
Crystal
/OH
RINGD
/TALK
Active
RIN
filter
circuit
TAX1
TAX2
J1
1
Telephone
line
Network
interface
circuit
(NCU)
D7
Y107330-8