Schematic Diagram / Wiring Side Of P.w.board - Sharp CDC2900 - 3-CD Compact Stereo System Service Manual

CD-C622/C2900
A
K 5
E 4 1 1
B
A 3 2 2
B 2 3 3
F 1 4 4
5 5
CNP1
C
LD
MON
K
E
B
LD GND
A 4
F
3
C
2
LT0H30M1
1
1
TR+
D
FO+
FO–
TR–
ACTUATOR
PICKUP UNIT
E
CNS2B CNS2A
TR–
1
TR+
2
FO+
3
FO–
4
GND
5
PD 6
VR
7
8
LD
F
CD MOTOR PWB-C
+
M1
M
6 6
SPINDLE
MOTOR –
5
+
M2
4
M
G
SLED
3
MOTOR –
2
SW4
PICKUP
1
IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 15.
1
R2
1K
C1
C15
47/16
0.01 Q1
R1
2SA1318
22
C3
1/50
9
K FIN2
1
REF
A
FIN1
2
B
EREF
E
3
F F
4
C4
0.1/50
TB
5
R8
15K
R9 TE–
TE
6
100K
TE
7
C5
R10
C54 0.033
2.2K
TESI
0.001 8
C6
0.033
R11
SCI
9
6.8K
C7
R12
0.1/50
100
TH
1 0
R13 C9 C8
1K 0.047 0.068
11
12
TD–
R14 R15
27K 12K
5
K
TD
R16 13
E
3.3K
JP
14
A
TO
15
B
FD
16
F
8
R17
33K
TR–
R18
TR+ C11
2
15K
0.1
FO+
3
FO–
4
5 GND
6 PD
7 VR
VREF
8
LD
C12
0.1
1
2
3
C76
4
0.022
5
6
TR–
1 1
7
TR+
2 2
8
FO+
3 3 9
FO–
4 4
10
5 5 11
6 6 12
7 7 13
LD
8 8 14
CNP2 15
16
C36
17
100/16
18
19
C55
20
100/16
21
+B
SP+
6
6
SP–
5 5 5
SL_+
4
4 4
SL_–
3
3 3
CD_PUIN
2 2 2
1 1 1
2 3
Figure 20 SCHEMATIC DIAGRAM (1/10)
64 63 62 61 60 59 58 55 54 53 52 51 50 49
57 56
LDS
–
RF
2
– –
REF
FE1 EFBAL
–
– DEF
–
FOSTA
REF
–
HFL
TOSTA
VCR
VCR
REF
–
2FREQ
DRF
–
LASER
– VCR
IC1
VCR
REF – LA9241M FSTA
SERVO AMP.
8/12CM
SLOF
REF
–
REF
–
VCC
–
REF
–
–
TGL1
–
REF
GL
FSTA
THDL
REF
JP
–
THD
+
JP
FSC
REF +
FOSTA
REF 10
GEN
–
TO
GEN
REF
REF
–
+
REF GEN +
–
REF
+ –
FD– FA FE SP– SLEO
17 18 19 20 21 22 23 24 25 26 27 28
C17
0.001
R26
82K
C14
0.01
1.2K
R30
R31
R27
6.8K
R24 R25
1 1.2K
39K
47K 1.5K
C18
0.47/50
TO LD_M+ 42
FD LD_M– 41
FO (GAIN) VCC4
40
FO+
M+ 39
FO– M– 38
TR+ SOL– 37
SOL+
TR–
36
35
+B
34
C82
33
100/16
GND GND
32
C77
31
100/16
30
29
SL–
VCC3 28
+B
SL+
SP+ 27
SLD SP– 26
VCC1 SPO 25
STANDBY (SPN)VCC2
24
Vref SOLD 23
SOL–
MUTE
22
+B
4
– 20 –
NC 48
C28
0.1
TBC
47
FSC 46
DGND
45
CE
REF SLI
44
R44
CL
C26
33K
0.033
R41
R42
3
47K
47K
SLC
43
C25
R40
R39
27P
5.6K
1K
RFS–
42
REF
CV–
+
R38
470
CV+ RFSM
RF
41
HF
JP– C23
TP1
4
0.0027
CV+
JP+
40
JPCLO
CV–
39
SLOF SLOF
SLOF
38
OR
5
HFL
37
TES
36
–
TOFF
35
TGL
34
–
JP+
33
SLD
6
29 30 31 32
R36
220K
R33 R32
10K
7
R34
3.3K
R35
220K
GND
C35
1/50
D1
R37
1SS133
+B
82K
+B
+B
+B
+B
CNP12
1 2
5
C22
220P
C57
0.001
3 4 5 6 7 8 9 10
CNS12
P29 12 - B
TO DISPLAY PW
6