1-10
SM 701730-01E
CH1/CH2
RBC
AMI
AC
Q
Memor
y
Wo
rk
Memor
y
A
CQ4 Boar
d Assemb
ly
Fr
om AD4 Boar
d
Assemb
ly
*
Contr
ol
Signal
Mother Boar
d Assemb
ly
Po
w
e
r
Unit
AC
DC
To
AD4 Boar
d Assemb
ly
*
CPU Boar
d Assemb
ly
Ether Boar
d Assemb
ly
GPIB
Ethernet (/C10)
USB
Video OUT
LCD
FD Drive (-J1)
Ke
y Boar
d
Assemb
ly
Printer (/B5)
PC CARD IF
FDD Contr
oller
CIO
GCP
USB IF
ETHERNET IF
GPIB IF
CPU
Main Memor
y
Flash R
O
M
Bac
k
up RAM
Graphic
Memor
y
Character
Memor
y
USB
PERIPHERAL
PC Car
d (-J3)
GO/NO-GO
Line T
rig
g
e
r
PIO
Cloc
k
Ring
Buff
er
Memor
y
CH3/CH4
RBC
AMI
AC
Q
Memor
y
Wo
rk
Memor
y
Fr
om AD4 Boar
d
Assemb
ly
*
Cloc
k
Ring
Buff
er
Memor
y
Figure 1.4 Block Diagram (Digital Section) of the DL1740E/DL1740EL
1.3 Function of Each ASIC
