Sony CDX-51 - Page 18

(DRIVER BOARD) IC501 (BA6247FP-Y) MOTOR DRIVER IC OPERATION
The elevator motor connected between Pin @ and Pin @ of IC501 is as M501, and the disc loading/saving motor connected
between Pin @ and Pin @ of [C501 is as M502.
When the IC port logic is Pin@ > Pin @, Pin @ > Pin @, the rotating direction of M50] and M502 becomes normal.
ROTATION TRUTH TABLE
@ When MB = MC, both MSO1 and MS02 are stop. (MA value is free.)
@® When MB # MC:
@
—35-—
Motor Terminal
MA Pin ® | MB Pin © | MC Pin® M501 M502 Operation
@ ® ®
L L H Reverse Stop L OPEN H Elevator UP
H L H Normal Stop H OPEN L Elevator DOWN
L | H L Stop Reverse OPEN L H Disc load
Hw | oH E Stop Normal OPEN H p Disc save
Disc in/out Elevator up/down
LO ®,
M502 M501
CG ety) 5 d @-10) PWS
®