Service manual

DCZ625
DCZ628
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■BLOCK DIAGRAM
DRIVE UNIT
PICK UP
SPINDLE MOTOR
SLED MOTOR
DRIVE FPC
LIMIT SW
LOADING FPC
LOADING MOTOR
LOAD-END SW
HOLDER-IN SW
12/8 DISC SENSOR
RF AMP IC1 TA2157F
SERVO DRIVER IC2 BD7961
3.3V REG 5V REG
MOTOR DRIVER
RESET IC8 S-80721
B/U DET IC10 S-80843
EJECT SW S2
MAGAZINE SW S3
VDD REF 5V
VDD 5V
MEMO-VDD
POSITION SW S1
DISC NO. TR IC3 GP1S94
CD 9V IC4 BA09ST
POWER 5V
ACC-DET
BUS DRIVER IC6 CA0008
B/U 12V
SYS-ACC
BUS+/BUS-
ADRS
MAIN CONTROLLER IC7 M30621M8A
DSP & DAC IC5 TC94A14FA
MUTE Q4,5 2SD1306
LPF IC9 NJM4558
B.T.L. IC11 NJM4558
ANALOG SW IC12 74VHC4066
MAIN PWB
14P CONNECTOR J4
D-OUT
L +/-
R +/-
CONNECTOR FPC
D-OUT P301
13P DIN J301
ADDRESS SW S301
UP/DOWN MOTOR