Sharp MD-X60H Service Manual page 50

MD-X60H
A
B
C
D
E
CNS2A
LTOH41M1
VCC
7
1/2
VCC
6
E
5
A
4
B
3
F
2
C
1
LD
MON
GND
CNS1A
F
1
TR+
2
FO+
3
4
FO–
5
TR–
6
ACTUATOR
7
C3A
8
PICKUP UNIT
G
CD MOTOR PWB-H
M701
6
M
SPINDLE
MOTOR 5
M702 4
M
SLED
3
MOTOR
2
SW702A
1
PICKUP IN
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.
1
+B
C2
Q1
R43
47/16 KTA1266 GR
22
4.9V 4.9V
C24
C25 1/50
4.2V
0.01
C
64
R62
A
82K
FIN2
1
REF
2.5V
R64
B
82K
FIN1
2
2.5V
R66 REF
E
68K 2.5V
3
E
F
2.5V
4
C3
F
R67
0.1/50
68K 2.5V
5
R3 TB
R2
9
2.5V
15K
6
100K
TE–
2.5V
7
TE
TE
C4
C5
0.001 R4
0.033
2.2K
TESI
8
C6
R5 2.5V
0.033
6.8K 2.5V
9
SCI
R6
100 C7
0.1/50
C8 2.5V
TH
10
0.068
2.6V
R7 C9
11
0.047
1K
2.5V
12
TD–
R9
R8
27K
12K
8
13
TD
2.5V
R11
14
3.3K
2.5V
JP
+
15
2.5V
TO
16
FD
R13
33K
R12
C13
15K
0.1
R28
1K
R39
22K
R40
22K
C11
0.1
7 7 7
+B
6 6 6
E
5 5 5
A
4 4 4
B
3 3 3
F
2 2 2
C
1 1 1
CNS2B
TR–
1 1 1
TR+
2 2 2
FO+
3 3 3
FO–
4 4 4
GND
5 5 5
PD PD
6 6 6
VR
7 7 7
LD LD
8 8 8 C44
100/10
CNS1B
CD_GND
SP+
6 6 6
SP–
5 5 5
SL_+
4 4 4
SL_–
3 3 3
PU_IN
2 2
2
1 1 1
2 3
Figure 50 SCHEMATIC DIAGRAM (7/16)
R42
560
63 62 61 60 59 58 57 56
–
RF
+
–
–
REF
EFBAL
FE1
– +
DEF
–
–
FOSTA
REF
+
HFL
–
TOSTA
VCR
VCR
REF –
2FREQ
+ DRF
–
LASER
–
IC1
VCR
FSTA
VCR
REF –
LA9241M
8/12CM
SERVO
SLOF
REF AMP.
–
REF
–
VCC
+ –
REF
+ –
TGL1
–
REF
GL
FSTA
REF THD
REF
THDL
JP
+
JP
FSC
+
REF FOSTA
REF
GEN
–
TO
GEN
REF REF
+
–
+
+
+
GEN
–
REF
+
– –
17 18 19 20 21 22 23 24 25 26 27 28
2.5V
C16
0.001
C14
0.01
R22
6.8K
R15
R16
1
R19 R23
47K
1.5K
1.2K
39K
VREF
C17
0.47/50
2.5V
0V
1 VREF-IN STANDBY 36
2.5V 0V
2 RVEF-OUT SS. GND
35
0V
0V
3
NC STANDBY 34
2.5V
0.3V
4 GAIN1 GAIN4 33
2.5V 4V
5 32
VCTL1(–) VCTL4(–)
2.0V
3.8V
6
VM1(–) VM4(–) 31
0V
2.0V
7 30
VM1(+) VM4(+)
0V 0V
8
GND GND 29
0V 0V
9
28
GND GND
0V 0V
GND GND 27
10
0V
0V
11 GND GND 26
2.0V
2V
VM2(+) VM3(+) 25
12
2.0V
2V R31
13 VM2(–) VM3(–) 24
10K
2.5V
2.5V
14 VCTIL2(–) VCTIL3(OUT) 23
2.5V 2.5V
15 GAIN2 VCTIL3(–) 22
0.4V
2.5V
16 NC VCTIL3(+)
21
4.6V
4.6V
VCC VCC
17 20
0V
0.7V
18 REG5V REGBASS 19
4
– 50 –
+B
2
0V
55 54 53 52 51 50 49
48
C50
0.1
TBC 47
2.5V
2.5V
FSC
46
0V
DGND
45
REF 2.5V
SLI
CE 44
CL C34
0.033
R36
47K
SLC
3 43
2.5V
R33
C32
5.6K
27P
2.4V
RFS–
42
REF
C30
CV– C31
+ –
2P
0.0027
CV+ RFSM
41
RF
1.6V
R35
JP– HF
+ – 470
TP1
CV+ 4.9V
JP+
40
JPCLO
CV–
0V
39
SLOF
4.9V
38
OR
HFL 0V
37
TES
REF 4.8V
36
–
TOFF
0V
35
TGL
4.9V
34
–
0V
JP+
33
29 30 31 32 6
7
R25
1.2K
10
R30
R26
27K
220K
GND
C21
1/50
R10
82K
+B
5
R
1
R38
33K
R37
47K
R34
1K
4
C53
220P
5
D2
1SS133
C46
0.022
6 7 8 9
10
TO MAIN PWB (2/4)
6