Toshiba D-VR3SU Service Manual page 117

(3) Program SW Input
The mechanism state for each mode is shown in table 1 below. The mechanism state is classified into position, and
correlation between the switch position and mechanism state is shown in table 1, also.
POSION
STANBY
POWER OFF
LOADING START
LOADING END
REV
PLAY
STOP 1
STOP 2
FF/REW 1
FF/REW 2
(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. (See Fig. 7-14)
Table 1 : Prog. SW State in Each Mode
CAM S/W
A B C
0 0 0
0 0 0
0 0 0
1 0 1 1
1 1 0
0 1 0
0 0 1
0 0 1
1 0 0
0 1 1
Table 2 : Motor Control Logic
CN604-PIN10
0 ~ 1V
2 ~ 3V
4 ~ 5V
START
ACTION MODE
SEN
0 Eject
1 Unload POWER OFF
1 (Tape loading start point)
1 (Tape loading end point)
X Reverse picture search, reverse SLOW
X Play, Rec, F-PS, Still, SLOW, F-ADV
1 Stop (Play position 5 Min. over)
X (MAIN Break ON MODE)
X High speed Rew, Low speed FF
X High speed FF, Low speed Rew
MOTOR
Reverse
Stop
Forward
Circuit Operating Descriptions
7-17