Sanyo PLV-Z4 - Motor Driving Circuit

-74-
Chassis Block Diagrams
FIN
RIN
OUT2
DRIVER
DRIVER
OUT1
TSD
CONTROL
LOGIC
5
4
1
7
FIN
H
L
RIN
L
H
OUT2
L
H
OUT1
H
L
OUTPUT MODE FUNCTION
MOTOR FUNCTION TABLE of BA6287
FORWARD MODE OPEN
REVERSE MODE CLOSE
BRAKE MODE BRAKE
STAND-BY MODE STAND-BY
H
L
H
L
L
OPEN
L
OPEN
157
58
269
285
IC8701
MOTOR DRIVER <BA6287>
IC301
SCAN
CONVERTER,
SYSTEM
CONTROL
<PW386>
IRIS_OPEN
IRIS_CLOSE
FIN
RIN
OUT2
DRIVER
DRIVER
OUT1
TSD
TSD : Termal Shut Down
CONTROL
LOGIC
5
4
1
7
149
151
IC6551
MOTOR DRIVER <BA6287>
DOOR_OPEN
DOOR_CLOSE
204
205
DOOR_CLOSE_SW
DOOR_OPEN_SW
M
DOOR
MOTOR
M
IRIS
MOTOR
POTENTIOMETER
34521
5V
GND
21
K8H
K8N
PROJECTION LENS
MAIN BOARD
IRIS_SENS
K8G
LAMP
IRIS
MOTOR
8675
M
6V
DRV(+)
DRV( - )
CTL(+)
CTL( - )
IRIS_PWM
K8L
Open
5V = DOOR
CLOSE
K8811
DOOR SW_B BOARD
SW8811
K8M
Open
5V = DOOR
OPEN
K8801
DOOR SW_A BOARD
SW8801
11
● Motor driving circuit