Sharp CD-K7000V Service Manual page 24

Video cd mini system
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CD-K7000V,CP-C7000
A
Vcc
7
B
7
Vref
6
6
E
5
5
A
4
4
B
3
3
F
2
2
C
1
1
C
D
E
TR-
1
1
TR+
TR+
2
2
FO+
FO+
3
3
FO-
4
4
GND
5
5
FO-
6
6
PD
TR-
7
7
VR
8
8
ACTUATOR
LD
F
PICKUP UNIT
CD MOTOR PWB-F
CNP3A
M1
+
SPINDLE
G
M
MOTOR
-
+
M2
M
SLED
-
MOTOR
SW4
PICKUP IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 16.
1
CD VIDEO PWB-C(2/2)
7
7
6
6
R51
68K
5
5
R52
68K
4
4
R53
68K
3
3
R54
68K
2
2
R56
68K
1
1
CNP1
C53
0.001
Q3
KTA1504 GR
LASER
DRIVER
C52
0.01
TR–
1
1
TR+
2
2
FO+
3
3
FO–
4
4
GND
5
5
PD
6
6
VR
7
7
LD
8
8
CNP2
FOCUS/TRACKING/
SPIN/SLED DRIVER
CNP3
SP–
6
6
6
6
SP+
5
5
5
5
SL+
4
4
4
4
SL–
3
3
3
3
PUIN
2
2
2
2
GND(D)
1
1
1
1
2
3
Figure 24 SCHEMATIC DIAGRAM (4/13)
+B
R50
47
TIN1
FIN1
FIN2
TIN2
LA9235M
R55
SERVO AMP.
68K
FIN1
1
REF
FIN2
2
REF
TIN1
3
REF
TIN2
4
C6
100/6.3
REF
C8
REF1
5
0.022
REF
VREF
6
C7
7
10/16
LDD
APC
8
GND
9
LDON
10
C51
R25
ODRV
11
47/6.3
10K
+B
AGON
AGCON
12
REF
EFBL
13
TEST0
R47
LPF
14
3.3
REF
TES1
15
+B
TDO
FDO
C46
0.022
FO+
FO–
TR+
TR–
IC3
GND
SL–
SL+
SLDO
+B
VCC1
STANDBY
R48
6.8K
Vref
C50
MUTE
100/6.3
+B
C49
100/6.3
4
– 24 –
CD SIGNAL
IC1
C11
47/6.3
VCC
C12
30
0.022
ODRV
RFSW
R42
REF
29
120K
C18
3P
AGCON
RF–
(CH)
28
R5
39K
REF
RF
PH
27
C13
26
0.01
PH
25
DH
C14
BH
24
0.33
ODRV
23
RFEV
PH/BH
22
REF
FE–
21
LPF
FE
R3
REF
REF
20
82K
TE–
LPF
19
TE
R4
18
REF
18K
HFL
REF
17
REF
TEST
16
4
13
+B
TO
1
+ –
42
+
FD
+ –
+
2
41
FO
+
3
+ –
40
+
4
39
5
38
6
37
7
36
8
35
9
34
10
33
32
11
12
31
13
30
14
29
15
28
27
16
+
17
26
+
+
18
25
+
+
+
19
24
+
20
23
+
21
22
5
IC
SERVO
CONT
7
8
C23
R12
0.047
680
PDO1
1
5
R79
R13
1.5M
680
C24
PDO2
2
2.2/50
VVSS
3
C21
C81
0.1
0.022
4
C22
R11
PCKIST
100P
12K
VVDD
5
R10
R80
FR
R14
6
27K
1M
1.2K
HFL
7
C20
SLCIST
R15
8
0.1
10K
SLCO
R8
9
330
EFMIN
10
JITTV
C17
C27
11
0.0047
0.1
C42
JITTC
C26
68P
12
0.047
(CH)
BH
13
PH(RFENV)
14
FE
15
TE
16
C28
VREF
17
47/10
ADAVDD
18
C82
0.022
ADAVSS
19
C41
C29
PHREF
20
100/6.3
0.022
BHREF
21
R44
TBLO
22
1K
23
1
24
2
R37
15K
6
LD_M+
LD_M–
VCC4
+B
LOADING M+
LOADING M–
C47
100/6.3
GND
VCC3
+B
SP–
SP+
SPO
SPDO
VCC2(SPN)
+B
6

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