Read Panasonic UF-490 / UF-4000 / UF-4100 / UF-490YC / UF-490YR Service Manual online
6
1.1.2.
Fax System Control Circuit
The System Control Block consists of the following IC that control the general Fax functions.
CPU
V850E/MA1
(IC1)
SHINE
DZA
C000273
(IC3)
S-DRAM 8MB
(IC6)
FR
OM 2MB
(IC5)
MN860741
(IC18)
F
ax System Contr
ol Cir
cuit
MODEM
MN195006
(IC9)
DA
A
Si3021,
Si3015
(IC11, 12)
A-BUS 3.3V
D-BUS 3.3V
PNL CPU
LSU
CIS
IEEE 1284
T
ransceiv
er
(IC28)
LINE
PC
IEEE 1284 I/F
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