CD-BA2000 (serv.man7). Part 2 - Notes on diagrams, Block diagrams, Schematic diagrams - Sharp Audio Service Manual (repair manual). Page 6

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CD-BA2000H
– 24 –
Figure 24 SCHEMATIC DIAGRAM (1/10)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
 
CD SIGNAL
GND(D)
PUIN
SP-
SP+
SL+ 
SL- 
CD MOTOR PWB-D
PICKUP UNIT
TR-
TR+
FO+
FO-
GND
ACTUATOR
FO+
FO-
TR-
TR+
PD
VR
LD
LD
VR
PD
GND
FO-
FO+
TR+
TR-
5
2
1
2
3
4
5
6
7
8
8
3
6
7
1
4
1
2
3
4
5
6
7
8
8
3
6
7
1
4
5
2
Vcc
C
Vref
F
B
E
A
2
5
3
1
7
6
4
4
3
2
1
7
6
5
5
1
3
7
6
4
2
4
3
2
1
7
6
5
FIN2
FIN1
TIN2
TIN1
+B
FIN1
FIN2
TIN1
LDON
EFBL
REF1
AGON
LDD 
TEST0 
GND 
VREF
TES1
NC
TEST
HFL 
TE
TE- 
FE
FE- 
RFEV
BH
PH
RF
RF- 
RFSW
VCC 
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
REF
ODRV
AGCON
ODRV
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
AGCON
ODRV
APC
LPF
DH
PH
LPF
LPF
PH/BH
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PH
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
VCC3
VCC2(SPN)
SP-
SP+
SPO
GND
+B
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
SLDO
FDO 
TDO 
MUTE
Vref
STANDBY
VCC1
SL-
SL+
GND
TR+
TR-
FO-
FO+
FO
FD
TO
+B
+B
M
M
R54 68K
R53 68K
R52 68K
R51 68K
CNP1
R56
68K 
R55
68K 
C6
100/6.3
TIN2
C54
47/10
C55
0.01
C51
47/10
C53
0.001
R25
10K
C7
10/16
C8
0.022
R47
3.3
Q3
KTA1266 GR
LASER
DRIVER
R50
47
C14
0.33
C13
0.01
R3
47K
R4
10K
C11
47/6.3
R6
27K
R7
6.8K
R5
39K
C12
0.022
C18
3P
(CH)
R8
330
R10
27K
C26
0.047
C22
100P
R80
1M
R79
1.5M
C24
2.2/50
C21
0.1
C23
0.047
R12
680
R
1
R11
12K
R
6
0
C27
0.1
C17
0.0047
R15
10K
C20
0.1
C42
68P
(CH)
C41
100/6.3
C28
47/10
C82
0.022
R4
1K
0
EFBL
TDO 
FDO
C47
100/6.3
LOADING  M-
VCC4
LD_M+
LD_M-
LOADING  M+
SPDO
C49
100/16
C50
100/6.3
C46
0.022
IC3
M63001FP
FOCUS/TRACKING/ SPIN/SLED DRIVER
R48
6.8K
R96
1.5K
C52
0.01
CNP2
CNP3
CNS3A
CNS3B
+
- 
-
+
3
2
5
1
4
6
2
3
5
1
4
6
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
SW4
PICKUP IN
IC1
LA9235M
SERVO AMP.
CD SERVO PWB-C
CNS1A
CNS1B
CNS2A
CNS2B
3
6
1
4
5
2
2
3
5
1
4
6
CNP3A
+B
+B
+B
+B
+B
-  + 
- 
+ 
+ 
- 
+
-
-
+
-
+
+
-
+ - 
- 
+ 
+ 
- 
- 
+ 
+ 
- 
+ - 
- 
- 
+ 
+ 
R42
120K
13
2
5
8
4

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