Download Sharp CD-E700H Service manual

CD-E700/CD-E77
A
CD SERVO PWB-C
C3
CD SIGNAL
PICKUP UNIT 1
C3
C2
C2
3
3
3
2
2
2
2
1
1
1
1
8.2K
R4
8.2K
F
R3
22K
C
R1
8.2K
CNP1
C
FO+
FO+
FO–
PD
TR–
VR
LD
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4
5
5
5
5
6
6
6
6
7
7
7
7
8
8
C4
0.001
GND
1 SLCO
2 SLCIST
3 EFMIN
4 RF
C19
0.022
C8
0.0027
C45
22P(CH)
TP1
TP2
5
5 RFVDD
6 RSVSS
7 FIN1 A
8 FIN2 B
9 TIN1 E
10 TIN2 F
11 VREF
(OS)
C21
0.001
C9
3.3/16
C11
0.22/50
TR+
FO+
FO–
GND
PD
C43
0.022
C38
0.01
VR
LDD 80 79 78 77 76 75 74
R12
330
TR–
LD
8
8
C37
0.1
C6
0.1
C20
0.001
1
C5
0.047(ML)
R10
27K
C3
47/25
R9
10
CNS2A
CNS2B
TR–
TR+
D
R42
1.2K
C1
47/25
TR+
4 15
C12 16
100P
17
18
19
VCC2
REV
VO5–
GND
VO5+
8
30
7
6
5
4
3
2
1
M–
9
M+
C41
100/10
FWD
VIN4
VCC
VO4+
14 13 12 11 10
VO4–
VIN1
F
VCONT
15 16 17 18 19 20 21 29 22 23 24 25 26 27 28
GND
IC2
LA6574H
FOCUS/TRACKING/SPIN/
SLED DROVER
TO
PUIN
VO3+
1
VO3–
1
VREF
6
GND
2
6
VREF
3
2
GND
3
5
VO2+
4
5
SL–
VCC
4
+B
+B
SL+
REG-IN
–
1
C40
100/10
SP–
REG-OUT
4
R15
1K
VO2–
5
4
VO+
5
3
VO–
2
3
Q4
KTA1271 Y
2
+
6
R16
1K
C39
100/10
FD
–
SP+
VIN3
6
JITTC
ADAVDD
ADAVSS
20 TDO
FDO
21 22 23 24 25 26 27
+B
VCC1
6
SPO
1
VIN2
M
1
+
RFMON
R14
1K
CNP3
SW4
PICKUP IN
M
CNS3A
M2
SLED
MOTOR
CNS3B
E
M1
SPINDLE
MOTOR
TE
R13
15K
2
CONSTANT
VOLTAGE
CNP3A
R8
10K
C17
100/10
+B
+B
C48
0.001
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 14.
1
2
L
C
REF1
C10 12
10/25 13 FE
14 TEC
CNP2
CD MOTOR PWB-D
3
C36
0 22/50
R5
B
4
Figure 26 SCHEMATIC DIAGRAM (9/10)
– 26 –
5
R40
680
3
A
VVSS
4
R41
12K
5
4
22K
VVDD
5
4
R6
PCKIST
5
4
E
CONT4
CONT5
5
+B
VREF
LDS
6
GPDAC
C
7
6
FR
F
7
6
SPDO
SLDO
B
7
6
R11
10K
A
7
LASER DRIVER
Q1
KTA1266 GR
E
R2
8.2K
VREF
C2
VCC
C2
0.01
B
VCC
R7
47
PDO2
CNS1A
CNS1B
HPC1LX
+B
6
R1
1K