DCZ625
DCZ628
- 4 -
■
BLOCK DIAGRAM
DRIVE UNIT
PICK UP
SPINDLE
M
OTO
R
SLED
M
OTO
R
DRIVE FPC
LIMIT SW
LO
ADING FPC
LO
ADING MO
T
O
R
LO
AD-END SW
HOLDER-IN SW
12/8 DISC SENSOR
RF AMP
IC1
T
A2157F
SER
V
O
DRIVER
IC2
BD7961
3.3V
REG
5V
REG
M
OTO
R
DRIVER
RESET
IC8
S-80721
B/U DET
IC10
S-80843
EJECT SW
S2
MA
GAZINE SW
S3
VDD REF
5V
VDD 5V
MEMO-VDD
POSITION SW
S1
DISC NO
. TR
IC3
GP1S94
CD 9V
IC4
BA09ST
PO
WER 5V
A
CC-DET
B
US DRIVER
IC6
CA0008
B/U 12V
SYS-A
CC
B
US+/B
US-
ADRS
MAIN CONTR
OLLER
IC7
M30621M8A
DSP & D
A
C
IC5
TC94A14F
A
MUTE
Q4,5
2SD1306
LPF
IC9
NJM4558
B
.T
.L.
IC11
NJM4558
ANALOG SW
IC12
74VHC4066
MAIN PWB
14P CONNECT
OR
J4
D-OUT
L +/-
R +/-
CONNECT
OR
FPC
D-OUT
P301
13P DIN
J301
ADDRESS SW
S301
UP/DO
WN MO
T
O
R
