Notes On Schematic Diagram - Sharp CD-BK3200V Service Manual

CD-BK3200V
PICKUP UNIT
A
Vcc
Vref
E
A
B
F
B
C
C
D
E
TR–
TR+
TR+
FO+
FO+
FO–
GND
FO–
PD
TR–
VR
ACTUATOR
LD
F
MOB1
MAIN CAM
MOTOR
MOB2
TRAY
MOTOR
CD MOTOR
PWB-G
+
NM1
M
SPINDLE
G
MOTOR –
+
NM2
M
SLED
–
MOTOR
NSW1
PICKUP IN
CNP3A
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 51.
1
VIDEO CD PWB-C (1/2)
CNP1
CNS1B
CNS1A
7 7 7 7
6 6
6 6
R51 68K
5 5 5 5
R52 56K
4 4 4
4
R53 56K
3 3 3
3
R54 68K
2 2 2 2
1 1 1 1
C53
0.001
KTA1504 GR
LASER
DRIVER
TO MPEG
SECTION PAL/NTSC
11
P31 12-C
CNP2
CNS2B
CNS2A
TR–
1 1 1 1
TR+
2 2
2 2
FO+
3 3
3 3
FO–
4 4
4 4
GND
5 5
5 5
PD
6 6 6 6
VR
7 7 7 7
LD
8 8 8 8
CNP4
–
1 1
M
+
2
2
–
3
3
M
+
4
4
CNS3B
CNS3A
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
CNP3
2
Figure 28 SCHEMATIC DIAGRAM (1/12)
R50
47
+B
TIN1
FIN1
FIN2
TIN2
SERVO AMP.
FIN1
1
REF
FIN2
2
REF
TIN1
3
REF
TIN2
4
C6
REF
100/10
REF1
C8
5
0.1
VREF
C7 6
0.022
C88
7
1000/6.3 LDD APC
8
GND
9
LDON
10
C51 ODRV
11
47/6.3
AGON
AGCON
12
EFBL
R25
13
10K
R47 TEST0
14 LPF
3
TES1
15
Q3
C19
C52
0.022
0.01
TDO
FDO
C46
0.022
R48
STANDBY
6.8K
C50
100/10
C49
100/10
+B
3 4
– 28 –
IC1
LA9235M
C11
47/6.3
VCC
30
C12 0.022
ODRV
RFSW
REF 29
R42
56K
R5 R7
AGCON
39K
6.8K
RF–
28
R6
27K
TP1
RF
REF
PH 27
C13
26
0.01
PH
25
DH C14 0.33
BH
24
ODRV
23
RFEV
PH/BH
22
R3 47K
REF FE–
LPF 21
FE
REF
20
REF
TE–
R4
LPF 19
10K
TE
18
REF
HFL
REF
REF
17
REF
TEST
16
4
REF
TP4
TO
1
+
–
FD +
–
2
FO
+
3
–
+
FO+
4
FO–
5
TR+
6
TR–
7
8
9
10
GND
11
12
13
14
SL–
15
SL+
16
SLDO
+
17
+
VCC1
18
+
–
+
19
–
Vref
20
–
MUTE
–
21
5
L
SER
8
C
C23
R12
0.047
680
5
R1
R79 1.5M
68
C24 2.2/50
C21
C
C18
0.1
0.
6P
(CH) C22 R11
12K
100P
R1
(CH)
R10 R80
1M
27K
1.2
C20 0.1
S
R15
R8
330
10K
E
C26
C17
0.047
C42
0.0047
J
68P
(CH)
C27 0
PH(RF
TP2
TP3
ADA
C
C82
C28
0.022 0.0
47/10
AD
(H,E)
P
2 B
R44
13
1K
R37
1.5K
LD_M+/CAM M+
42
LD_M–/CAM M–
41
VCC4
+B
40
LOADING M+/CAM M+
39
LOADING M–/CAM M–
38
TRAY M+
37
TRAY M–
36
C47 100/10
35
34
C90
33
470/16
32
GND
31
C91
30
0.047
29
VCC3
28
SP–
27
SP+
26
SPO SPDO
25
VCC2(SPN)
24
TM+
23
TM–
22
+B
6