Sharp CD-C605H Service Manual page 24

CD-C605H
A
CNS1B CNS1A
1
K 5
B 4 2
E
3 3
A
2 4
B
1 5
F
C
PICKUP UNIT
1/16
K 5
E 4
A 3
D
B 2
F 1
1
2
3
4
5
E
6
7
8
CNS2B
TR–
1
TR+
2
FO+
3
FO–
4
GND
5
PD
6
F
VR
7
LD
8
CD MOTOR
PWB-C
M1
+
G
SPINDLE
M
SPIN
MOTOR
–
+
M2
M
SLED
SLED
MOTOR –
SW4
PU-IN
PICKUP IN
H
• The numbers 1 to
• NOTES ON SCHEMATIC DIAGRAM can be found on page 12.
1
R2
1K
C15 C1
0.01 47/16
C2
0.01
2SA1318
LASER DRIVER
K
1
A
2
B
3
E
4
F
5
C4
CNP1
0.1/50
R9
TE
100K
R10
C54
2.2K
0.001
C6
0.033
R11
6.8K
R12
100
R13 C9
0.047
1K
0.068
R14
R15
27K
12K
R16
3.3K
C12
0.1
TR+
FO+
FO–
TR–
ACTUATOR
CNS2A
TR–
TR–
1 1
TR+
TR+
2 2
FO+
FO+
3 3
FO–
FO–
4 4
GND
5 5
PD
6 6
VR
7 7
LD
LD
8 8
CNP2
C36
100/16
C55
100/16
SP+
6 6
6 6
SP–
5 5 5 5
SL_+
4 4
4 4
SL_–
3 3
3 3
CD_PUIN
2 2
2 2
1 1
1 1
12 are waveform numbers shown in page 31.
2
Figure 24 SCHEMATIC DIAGRAM (9/10)
R1 C3
22 1/50
C34
0.33/50
Q1
64 63 62 61 60 59
VCC1 LDS
– +
2.5V
FIN2
1
RF
REF – +
2.5V FIN1
2
FE1
– +
REF – +
REF
E
3
2.5V
F
VCR
4
VCR
2.5V REF – +
2.5V TB
5
– +
R8
VCR
15K VCR
TE– REF – +
6
2.5V
TE
7
2.5V
REF
C5
REF
0.033
TESI
8
2.5V
2.5V
SCI
9
TGL1
C7
THDL
REF
0.1/50
TH
10
2.5V
C8 NC
2.5V 11
JP FSC
2.5V
12
REF FOSTA
GEN
TD–
C10 TO GEN
180P
REF
TD
REF
13
GEN
2.5V
JP
14
REF
2.5V
TO
15
2.5V
FD
16
2.5V
FD–
FE
R17
18 19 20 21 22 23
17
33K
C11 R18
R26
15K
0.1 82K
R19
C14
1K
0.01
R24
R25
47K
1.5K
VREF
2.5V 0.1V
1 LD_M+ 42
TO
2.6V 0.1V
2 LD_M–
FD 41
7.2V
40
3 FO (GAIN) VCC4
2.9V
3.3V
4
FO+ M– 39
3.3V 3.3V
5 38
M+
FO–
3.3V 5.3V
6 37
TR+ SOL–
3.3V 5.3V
7 36
TR– SOL+
8 35
0V
0V
9 34
0V
0V
0V 33
10 0V
0V
GND 32
11 0V
GND
0V
31
12
0V
30
13
0V
14
29
3.3V
SL–
15 VCC3 28
3.3V
SL+
SP+
16 27
3.0V
SP–
17 SLD 26
7.2V
18 VCC1 SPO 25
5.0V
(SPN)VCC2
19 STANDBY 24
2.5V
20 Vref 23
SOLD
21 MUTE SOL– 22
0V
3 4
– 24 –
58 57 56 55 54 53 52 51 50 49
DEF
REF TBC
EFBAL
DEF
FSC
FOSTA
– +
HFL DGND
TOSTA
CE
SLI
2FREQ
CL REF
DRF
LASER
FSTA
IC1
8/12CM
LA9241M
SLC
SLOF
SERVO AMP.
VCC
RFS–
REF CV– REF
CV+
RF
RFSM
FSTA
JP–
REF
JP
JP+ CV+
CV–
JPCLO
SLOF
REF
OR
HFL
SLOF
REF
TES
TOFF
TGL
JP+
SLD
24 25 26 27 28 29 30 31 32
C17
0.001
R30
6.8K
R33 R32
R27
1.2K 10K
R31
39K
1.2K
C21
0.0033
10
R34
1K
+B
C82
100/16
0V
0V
0V
C77
11.2V
100/16
3.3V
3.3V
2.5V
7.2V
0V
0V
5
NC 4 8
0V C28
0.1
4 7
2.5V
4 6
2.5V
4 5
0V
44
2.4V R44
C26
33K
0.033
R41
R42
47K
47K
43
2.4V
C25
R40
R39
27P
5.6K
1K
2.4V
42
R43
C24
C23
56K
2.2P
0.0027
41
HF
1.6V
R38
TP1 470
0V
40
0V
39
5V
38
0V
37
0V
36
5V
35
5V
34
0V
33
C22
220P
0V
GND
0
C35
R37
1/50
82K
D1
1SS133
+B
+B
+B
R4
10
+B
1 2 3 4 5 6
CNP12
C
FROM D
P
6
C
7