Table of Contents
Advertisement
i
IC PIN FUNCTION DESCRIPTIONS
Signal
i o n
| Active
i
Name | Function
|) vet
Function
i
Comparison Chart of Models and Marks
Pin
IN/ | Signal
Rental
Cc
Capstan
i
No.| Mark] our!
Nome | Function
Position
Motor Drive
i
o e s i
es aici HOt
eerie
ode
Signal
u
15
OUT} ROTA | Color Phase
Switching
H
(Rotation="H"
iF
VT-MX231A
RotaryChang
ie na
or "Open /
i
VT-MX231AC
eover Signal
Saat meray
Stop L')
1
7
16 | A,B,C| OUT]
ENV-
| Video DC
Usually="L")
apstan
i
VT-MX231 AW
sw
Envelope
_
ae
BaD:
ors
Motor
(I
VT-MX431A
Voltage Gain
H/L
i n
ocreen
FWD/REV
i
Switching
cs
Display IC
L
Control
4
VT-MX431AG
Signal
Control Chip
Signal
i
a
ae
a
re
Select Signal
|
FWD="L"Y
[,
C501 (SERVO
/ SYSTEM CONTROL IC )
BES | ee Rare ace Head
oe
ABC|.
|NU. | NotUsed
:
EV="H")
1
"H" > 4,5V, "L" < 1.0V
Switching
i
DE
| OUT)
FF/REW| CTLAmp
a
Spel bet Play
i
;
Active
Pulse
i
-H
Gain
Penis onto
}
Function | 'Level
17 |ABCl-
|N.U. | NotUsed
:
Switching
4
mL")
Fe
Sacsiciedi eet aes
eee
Sees
Signal (FF/
/
Soa
Bi ne
D,E
| IN
H-A-
Bese ae
HIL
REW="H")
Power-On=
:
="L",
LP=
COMP | Comparator
7
"H" Gontrol
wHiez"
)
OUT | D-REC- | Delayed Re-
|,
Signal
SLP="H"
18
IN
| T-REEL | Take Up
7
H
cord Signal
Signal
fovea
eon
~ ~
| NU. | Not Used
:
eS
oes
|
68
earn
oF
Not Used
|
Nouueed
19
OUT| REC- | Record
- _ _ |
NU. _| Not Used
:
See
Capstan
CTLE) | Control
H/L
IN|
P-
Power Down
jot Use
|
Mor
:
Signal(-)
ees
DOWN- | Detection
L
.U.
| Not Used
|
Signal
20
OUT| REC- | Record
Es,
Not Used
CTL(+) | Control
H/L
"2
NU.
Not Used
I
Bran Motor
Signal(+)
}—____} ___.
ae
Not Used
|
Raed Pee coe
Eee
ee
=
Sigel
21 |AB,C|-
| NU. | Not Used
_
)
ae
aN
Not Used
Audio Mute
D,E | OUT) STIL | Stil/Siow
Pe ol
Not Used
Signal
SLOW- | Circuit
IN
RESET
ie
nil
Not Used
f
(Mute="H")
L
Change
eset
Sig
é
Over"L"
HIL
(Usually=
Not Used
Not Used
(Usually=0)
"H"/Reset=
Special P!
en/R-Stll :
"L')
Not Used
ecial
Pla
air
eee
nome
_
-
——
Back Signal
Slows")
|
38
-
|x
Main Clock
61
ouT | Gt
Display Digit | __H
(Special
22
IN
| C-FG
| Capstan
14.31818
=
ve
f
ak
DB aH")
Motor
y
Me ab tes Ht
Miz
62
OUT | G2
Disel Digit
H
Not used
aan 5
PULSE
39
7
Xout
Main Clock
-
63
OUT | G3
Disp ay pol
Delayed Play
Pulse
40
IN|
CLKSEL | Glock Seteot
|
ee
code!
a
p
Back Control
"TH
pe
Throimpiee
|... 1.
65
OUT}
a
isplay
;
23
IN
Drum Pulse
ie
aang
H
Signat
|
Generator
PULSE
41
-
Vss
Vss(GND)
~
Segment
!
i
bia
ia
a
4
H
i
ance
24
iN |D-FG | Drum
42
- | XCIN | Sub Clock
.
66
Oop
Sennen
H
Signal
pe eoren
|PRPee
=
ee
=
67
OUT | c
Display
Dummy
25
IN
PB-CTL.
Play Back
si
7
SUT
one
Seoment
s
eee.
|
Contol
[PULSE
=
:
oe
68
ouT| d
Display
Synchronoze
Signal
44
OUT
Ls
Loading Mee
'
Segment
H
Remote Con-
28
|
Tae.
a
-——
FW
tor etter
ae
aa
trol Signal
=
ce
ae
-
:
eon
be
oY
Seamnant
H
+
a
Not Used
45
OUT | LM-
Loading Mo-
;
REV
tor Reverse
H
{70
OUT
|g
Display
H
Not used
Control
Segment
Video Head
)
71
OUT}
h
Display
H
Switching
Segment
Pulse
Advertisement
Table of Contents
