OPERATION BLOCK DIAGRAM
KEY-A
KEY-B
POWER BLOCK DIAGRAM
STOP/EJECT
REC/OTR
PLAY
FF/CUE
REW/REV
KEY A
KEY B
1
2
POWER
1
3
OS651
REM_IN
AT+5V
CP601
CP651
SYSCON/
SERVO
TU_P.CON+5V
P.CON+5V
P.CON+12V
+32V
Q502
Q511
Q503
Q510
POWER_FAIL(AC)
SYSCON/
SERVO
CONTROL
PHOTO
COUPLER
SW.
T501
9
10
6
4
5
IC501
KIA431
VOLTAGE
CTL.
1
2
PHOTO
COUPLER
L501
AC IN
Q509
Q514
P.CON 5V SW
TU.P.CON
5V SW
POWER_ON-L
D505, D508
D523, D528
CH-UP
2
8
7
Q512
P.CON
12V SW
AT+12.6V
Q513
P.ON SW
E-9
E-10
CH-DOWN