Table of Contents
Advertisement
Clock signals to submicrocomputer, CG control microcomputer and
1
4
Pin No.
Signal
1/0
Function
| a
ae
9
LCD driver IC.
40
P FAIL
I
LH:
Fallasleep,H
L: Get up
———_
Discrimination signal from NORMAL/PRECISION
L SW on video
41
P LANC/LANC+
I
:
.
=
recording side.
42
STOP/PAUSE
I
Discrimination signal from STOP/PAUSE
SW.
43
FF/CUE
I
Discrimination signal from FF*REW/CUE:REV
SW.
44
—_—__—_—.
a
Not used.
eae teers
45
KIO
I
Key scan signal input.
500/700
ee
ee
VTR 1/2/3
52
AVss
-
46
KI1
I
Key scan signal input.
47
KI2
I
Key scan signal input.
48
PM A/B/C
I
$3
AVref
I
Reference voltage input terminal of A/D converter.
54
AVdd
—
Positive power output terminal of A/D converter.
A: 5V, B: 2.5V and C: 0V from PAUSE MODE
SW.
NTSC:
5V and PAL:
OV from NTSC/PAL
discrimination.
E500:
5V and E700:
OV from RM-E500/E700
discrimination.
1: 5V, 2: 2.5V and 3: OV from VTR1/2/3 SW.
GND terminal of A/D converter.
Discrimination signal from SONY/MEMORY
SW.
Voltage drop detection of lithium cell, Normal:
H, Time in low: L.
External synchronism:
H, Internal synchronism:
L.
A: 5V and B: OV from shuttle A/B SW on video recording side.
A: 5V and B: OV from shuttle A/B SW on playback side.
L when plug sticks in CONTROL S terminal.
Chip select signal to CG microcomputer (IC102 on MC-67 board).
Chip select signal to submicrocomputer on video recording side.
Chip select signal to submicrocomputer on playback side.
Chip select signal to LCD driver IC (2) (IC002 on LC-23 board).
Chip select signal to LCD driver IC (1) (ICO01 on LC-23 board).
Command/data switching signal to LCD driver IC.
Busy signal from LCD driver IC (2).
Busy signal from LCD driver IC (1).
55
SONY/MEMORY
I
56
BAT. VOL
I
57
EXT/INT
I
58
C. SYNC
I
Composit SYNC input.
59
R. SHUTTLE A/B
I
60
P, SHUTTLE A/B
I
61
CONT S ON
I
62
R LANC ON
I
Not used.
63
CGMICON CS
fe)
64
SUB R CS
O
65
SUB P CS
0
|
66
LCD CS2
O
67
LCD CS1
oO
| 68
LCD C/D
O
69
LCD BUSY2
O
LCD BUSY1
O
NMI
|
I
None-maskable interupt request terminal of active falling edge.
Vdd
|
=
Possitive power output terminal.
Advertisement
Table of Contents
