Sharp CD-BK260V Service Manual page 30

CD-BK260V/CD-BK2700V/CD-BK280V
A
PICKUP UNIT
VCC
7 7
B
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+
2
2
TR+
FO+
3
3
FO+ FO–
4
4
FO–
5
5
PD
TR–
6
6
VR
7
7
LD
8
8
GND
F
CD MOTOR PWB-F
M1
+
SPINDLE
M
1 1
G MOTOR
–
2 2
M2
+
3 3
SLED
M
MOTOR 4 4
–
5 5
SW4
6 6
PICKUP IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
All manuals and user guides at all-guides.com
CD VIDEO PWB-C (1/2)
CNP9
7
7
6
6
R51 68K TIN1
5
5
R52 56K FIN1
4
4
R53 56K FIN2
3
3
R54 68K
TIN2
2
2
R56
R55
56K
56K
1
1
C6 100/10
C51
C53
47/6.3
0.001
R25
10K
R47
3
Q3
KTA1504 GR
LASER
DRIVER
+B
C52
0.01
CNP10
1
TR–
1
2
TR+
2
3
FO+
3
4
FO–
4
5
GND
5
6
PD
6
7
VR
7
8
LD
8
CNP3
SP+
6
6
SP–
5
5
SL+
4
4
SL–
3
3
PUIN
2
2
GND(D)
1
1
2 3
Figure 30 SCHEMATIC DIAGRAM (9/13)
– 30 –
R50
47
+B
FIN1 VCC
1 30
ODRV
REF
RFSW
FIN2
2 REF 29 R42
56K
AGCON
REF
TIN1
RF–
3 28
REF
TIN2 RF
REF
4 PH 27
REF 26
REF1
PH
5 25
DH
VREF BH
C8
6 24
0.1
ODRV
7 23
LDD APC
RFEV
8 PH/BH 22
R3 47K
FE–
GND REF
9 21
LPF
LDON FE
REF
10 20
REF
TE–
ODRV
11 LPF 19
TE
AGON
12 AGCON
REF 18
REF HFL
EFBL
13 17
REF
TEST0
REF
14 TEST
LPF 16
TES1
REF
15
IC1
LA9235M
SERVO AMP.
C88
1000/6.3
C19
0.022
TDO
1
+
FDO
+
2
C46
3 +
0.022
+
4
5
6
7
8
9
10
11
12
13
14
15
16
+
17 +
+B
18 +
R48
19
6.8K
20
C50
21
100/10
C49 100/10
IC3
M63001FP
FOCUS/TRACKING/SPIN/SLIDE DRIVER
4
IC2
LC78636E
SERVO/SIGN
CONTROL
7
C23
R12
0.047
680
PD01
R79 1.5M
C18
C11 R13
47/6.3 6P(CH)
680
PD02
C24
2.2/50
VVSS
+B C12 C21 C81 0.022
0.1
C25 PCKIST
0.022
0.022
R11
+B
12K VVDD
R14 FR
R5 R10
R80
27K 1.2K
39K 1M
HFL
C20 R15
SLCIST
R6
27K
0.1 10K
SLCO
R8
330
EFMIN
C13
0.01
JITTV
C27
C17
0.1
0.0047
C14
C42
JITTC
68P(CH)
0.33
BH
PH(RFENV)
FE
TE
R4 VREF
10K
+B
ADAVDD
C82
C28
0.022
47/10
ADAVSS
4
PHREF
C29
0.022
BHREF
4
TBLO
TDO
2
13
FDO
R35
1K
R37
1.5K
+B
42
–
–
41
+B
+ 40
39
38
37
C47
36
100/10
35
34
33
32
31
+B
30
29
+B
28
27
26
25
+
+ +B
+ 24
+B
23
–
–
22
+B
5 6
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
SPDO
4
R38
270
R2
47