Sony SVT-RA168, Service Manual

Page: 87 / 100

7-1
SVT-RA40/RA168
7-1
A B C D
2
3
4
5
1
CT-1 CT-1
Section 7
Schematic Diagrams
CT-1 Board (Option Board for SVT-RS100)
Interface
IC002 Interface MPU Pin Function Table
48
32
33
64
1
17
16
49
. o N e m a N O / I L / H n o i t c n u F l a n g i S
2 232C/485
R485 OUT E.
GND
GND
GND
ALW 5V
ALW 5V
ALW 5V
CF
TRS DATA
RTS DATA
RTS CLK
RS232C/485 IN
RS232C/485 OUT
RST
RESET
I
I
I
I
O
O
O
O
O
-
-
-
-
-
-
-
- Signal to use RS232C or RS485. (232C=low)
8 -
-
Enable signal to RS485 data out.
9 Ground terminal.
10 -
-
Always 5V
18
Data from system control IC.
(Transferring signal data)
19 - Data to system control IC. (Return signal data)
20 - Clock signal to system control CPU.
21 - Data from controller. (Through RS232C or RS485)
22 - Data to controller. (Through RS232C or RS485)
23
24
25
36
34
35
40
41
-
Return signal to controller.
- Always 5V
- Ground terminal.
L Initial reset terminal for this IC.
- Ground terminal.
-
Always 5V
IC clock OSC terminal. 8.38MHz
R2348WA_IC002
-
UPD78F0034AGK-P01-3BA