Circuit Operating Descriptions
7-9
Table 7-1 : Prog. SW State in Each Mode
(3) Program SW Input
The mechanism state for each mode is shown in table 7-1 below. The mechanism state is classified into position,
and correlation between the switch position and mechanism state is shown in table 7-1, also.
(4) Motor Control
In case of Scorpio-2 Deck, Loading Motor Drive IC lies in Capstan Motor, not like Scorpio-1 Deck.
In detail, Capstan Motor Drive IC is designed to drive Loading Motor + Capstan Motor + Cylinder Motor in one
IC.
Table 7-2 : Motor Control Logic
POSION
CAM S/W
START
ACTION MODE
A
B
C
SEN
STANBY
0
0
0
0
Eject
POWER OFF
0
0
0
1
Unload POWER OFF
LOADING START
0
0
0
1
(Tape loading start point)
LOADING END
1
0 1
1
1
(Tape loading end point)
REV
1
1
0
X
Reverse picture search, reverse SLOW
PLAY
0
1
0
X
Play, Rec, F-PS, Still, SLOW, F-ADV
STOP 1
0
0
1
1
Stop (Play position 5 Min. over)
STOP 2
0
0
1
X
(MAIN Break ON MODE)
FF/REW 1
1
0
0
X
High speed Rew, Low speed FF
FF/REW 2
0
1
1
X
High speed FF, Low speed Rew
CN604-PIN10
MOTOR
0 ~ 1V
Reverse
2 ~ 3V
Stop
4 ~ 5V
Forward