Cd Changer Block Flowchart - Sanyo MCH-900F Service Manual

ii
. .
CD
b.
CHANGER BLOCK FLOWCHART
DISC CASE LOADING POSITION CHECK
c. LOADING TABLE DISC DETECTION
LOADING POSITION CHECK
I 1-
DETECTED BY PHOTO SENSOR Y
P. C.BOARD (315) ?
i
N
I
PLUNGE R(395) 'ON"
1
+
UP I DOWN MOTOR (414)
I
DISC CASE "UP"
1
+
N
I
DETECTED BY PHOTO SENSOR
I
"OFF"
I
I
PLUNGER (395) "OFF"
I
END
J
I
DISC REMAINING CHECK -
1
>
-1 NJ
UP/DOWN SW(393)
"ON$' ?
t
Y
UP I DOWN MOTOR (414)
,,OFF/,
I
v
LOADING MOTOR (377)
1
1
LOADING "ON"
I
I
1
SENSOR P.C.B (304)
I
I
LOADING W
CHECK ?
I
PROGRESS
LOADING POSITION
I LOADING MOTOR(377) I
I
"OFF"
I
] UP/DOWN MOTOR(414) I
CD
MECHANISM "UP"
I
I
UP I DOWN MOTOR (414)
"OFF"
I
~1
DISC SENSOR P.C.B (450)
I
I
S005 "ON" ?
I
I
1+
1
DETECTED BY DISC SENSOR P.C B
(450) ?
,-
I
END
-66-