Samsung Electronics
9-2 CD
Block Diagrams
SLED
MOTOR
SPINDLE
MOTOR
PICK - UP
TRACKING
ACTUATOR
FOCUSING
ACTUATOR
A.B.C.D.E.F
LD.PD
DISC
SP+
SP-
TRK+
TRK-
FCS-
17
18
11
12
26
27
1
2
+5V
19
10
25
3
40
44
48
46
68.69
P/U IN
LIMIT S/W
OPEN/CLOSE MOTOR
2
10
DM-
DM+
MOTOR DRIVER
OPEN/CLOSE S/W
8
70.71
74.75
76.77
32.38
11.12.13
25.31
33
27.28.29
30
60
69
52.53
57.56
63
61.62
NVR1704
TE GAIN
NVR1703
FE GAIN
NVR1701
FE-BIAS
NVR1702
EF BAL
MOTOR CONTROL
S/W SENSOR
FOK
MAIN PCB
MAIN PCB
MICOM CTRL LINE
POWER / AUDIO LINE
10
1
11
21
9
19
R
G
L
21
20
36.37.38
68
25.26.30
29
10.70.72
73.75.76
27
MCK. MDATA. MLT
ISTAT
SQDT. LKFS. SOS1
SQCK
A. GND
R-CH
L-CH
GND
B+
LD ON
RESET
LOCK.SMEF.WDCH.SMON.SMSD
SL IN
SP IN
TE IN
EF IN
VREF
SL-
SL+
MOTOR/ACTUATOR DRIVER
KA9258
6
NIC 9258
ASSP
KA9220
NIC 9220
NCW103/SCW2
NCW101/SCW1/SCW3
KA9270
NIC9270
KS9282
NIC9282
SIC1,SIC2,SIC3
DIGITAL SIGNAL PROCESSOR
16.9344MHz
65.69
8
EFM.TRCNT
LB1641/BA6209
NCW104
9-2
Содержание SCM-7270
Страница 30: ...Samsung Electronics 7 9 Exploded Views and Parts List 7 5 2 Exploded View ...
Страница 48: ...8 18 Samsung Electronics Electrical Parts List Location No Code No Description Specification Remarks ...
Страница 59: ...10 PCB Diagrams 10 1 Main Samsung Electronics 10 1 ...
Страница 60: ...10 2 Front PCB Diagrams 10 2 Samsung Electronics ...
Страница 61: ...Samsung Electronics 10 3 PCB Diagrams 10 3 Power ...
Страница 62: ...10 4 CD PCB Diagrams 10 4 1 Top View 10 4 2 Bottom View 10 4 Samsung Electronics ...
Страница 64: ...JIC1 QIC1 UIC1 IIC1 UIC2 AIC1 12 Schematic Diagrams 12 1 Main Samsung Electronics 12 1 ...
Страница 65: ...12 2 CD 12 2 Samsung Electronics Schematic Diagrams 1 1 2 2 3 3 ...