Ic201 (Ba6247Fp-Y) Motor Driver Ic Operation - Sony XES-Z50 Service Manual

7-2. IC201 (BA6247FP-Y) MOTOR DRIVER IC OPERATION

(DRIVER BOARD)
The elevator up/down motor connected between pin @™ and pin !• of IC201 is as M501, and the disc load/save motor connected
between pin 1 and pin !• of IC201 is as M502.
When the IC port logic is pin @™ > pin !•, pin 1 > pin !•, the rotating direction of M501 and M502 becomes normal.
ROTATION TRUTH TABLE
1 When MB=MC: both M501 and M502 are stop. (MA value is free.)
2 When MB≠MC:
Pin of IC301
MA MB
(pin 8) (pin 7)
"L" "L"
"H" "L"
"L" "H"
"H" "H"
Rotating direction
of motor
MC
M501 M502
(pin 6)
"H" Reverse Stop
"H" Normal Stop
"L" Stop Reverse
"L" Stop Normal
Disc load/save
1
M502
(1–18)
!•
Pin of IC201
pin @™ pin 1
"L" OPEN
"H" OPEN
OPEN "L"
OPEN "H"
Elevator up/down
!•
M501
(22–18)
@™
– 76 –
Operation
pin !•
"H" Elevator up
"L" Elevator down
"H" Disc load
"L" Disc save